update from main archive 960906

Sat Sep  7 05:15:45 1996  Ulrich Drepper  <drepper@cygnus.com>

 	* libio/iofdopen: Initialize _lock field only if _IO_MTSAFE_IO.
	* libio/iofopen: Likewise.
	* libio/iofopncook.c: Likewise.
	* libio/iopopen.c: Likewise.
	* libio/iovsprintf.c: Likewise.
	* libio/iovsscanf.c: Likewise.
	* libio/memstream.c: Likewise.
	* libio/vasprintf.c: Likewise.
	* libio/vdprintf.c: Likewise.
	* libio/vsnprintf.c: Likewise.

Sat Sep  7 03:55:47 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Makeconfig (soversions.mk): Also use shlib-versions files
	in add-on directories.
	* config.make.in (config-defines): Remove.  Not used anymore.
	(defines): New variable.  Initiliazed by @DEFINES@.
	* configure.in: Add AC_SUBST(DEFINES).

	* libio/Makefile (routines): When compiling reentrant libc add
 	clearerr_u, feof_u, ferror_u, fputc_u, getc_u, getchar_u,
 	iofflush_u, putc_u, putchar_u, ioflockfile.
	(CPPFLAGS): Add -D_IO_MTSAFE_IO for reentrant libc.

	* sysdeps/stub/libc-lock.h: Add stubs for __libc_cleanup_region_start
	and __libc_cleanup_region_end.

	* sysdeps/unix/i386/sysdep.S [_LIBC_REENTRANT]: Set errno
 	using __errno_location function.
	* sysdeps/unix/sysv/linux/i386/sysdep.S [_LIBC_REENTRANT]: Set errno
	using __errno_location function.
	(__errno_location): New function.
	* sysdeps/unix/sysv/linux/i386/sysdep.h [PIC]: Add second
 	syscall_error handler for reentrant libc.

	* sysdeps/unix/opendir.c: Remove unneeded `;'.

	* libio.h [_IO_MTSAFE_IO]: Include <pthread.h>.
	[!_IO_MTSAFE_IO]: Define _IO_flockfile and _IO_funlockfile
	as empty macros.
	* libioP.h: Include <libc-lock.h>.
	* libio/stdio.h: Add prototypes for *_locked and *_unlocked
	functions.

	* libio/clearerr.c: Use _IO_ protected versions of flockfile
	and funlockfile to be namespace clean.

	* libio/genops.c: Use __libc_lock_* macros for handling lock.

	* libio/iofdopen: Add initialization of _lock in _IO_FILE.
	* libio/iofopen: Likewise.
	* libio/iofopncook.c: Likewise.
	* libio/iopopen.c: Likewise.
	* libio/iovsprintf.c: Likewise.
	* libio/iovsscanf.c: Likewise.
	* libio/memstream.c: Likewise.
	* libio/vasprintf.c: Likewise.
	* libio/vdprintf.c: Likewise.
	* libio/vsnprintf.c: Likewise.

	* libio/fgetc.c: Use __libc_cleanup_region_* macros instead
	of flockfile etc.
	* libio/fputc.c: Likewise.
	* libio/freopen.c: Likewise.
	* libio/fseek.c: Likewise.
	* libio/getc.c: Likewise.
	* libio/getchar.c: Likewise.
	* libio/iofclose.c: Likewise.
	* libio/iofflush.c: Likewise.
	* libio/iofgetpos.c: Likewise.
	* libio/iofgets.c: Likewise.
	* libio/iofputs.c: Likewise.
	* libio/iofread.c: Likewise.
	* libio/iofsetpos.c: Likewise.
	* libio/ioftell.c: Likewise.
	* libio/iofwrite.c: Likewise.
	* libio/iogetdelim.c: Likewise.
	* libio/iogets.c: Likewise.
	* libio/ioputs.c: Likewise.
	* libio/iosetbuffer.c: Likewise.
	* libio/iosetvbuf.c: Likewise.
	* libio/ioungetc.c: Likewise.
	* libio/putc.c: Likewise.
	* libio/putchar.c: Likewise.
	* libio/rewind.c: Likewise.
	* stdio-common/vfprintf.c: Likewise.
	* stdio-common/vfscanf.c: Likewise.

	* libio/clearerr_u.c: Correct alias name.
	* libio/ferror_u.c: Likewise.
	* libio/fileno.c: Likewise.
	* libio/fputc_u.c: Likewise.
	* libio/getc.c: Likewise.
	* libio/getc_u.c: Likewise.
	* libio/getchar.c: Likewise.
	* libio/getchar_u.c: Likewise.
	* libio/putc.c: Likewise.
	* libio/putchar.c: Likewise.

	* libio/feof_u.c: Undefine macro with name of function before
 	definition of function itself.

	* libio/ioflockfile.c: New file.  Implementation of flockfile and
 	funlockfile.

	* libio/putchar_u.c: Fix typo.  Use stdout instead of fp.

	* malloc/malloc.h: Don't include <libc-lock.h> and don't declare
 	_malloc_loc.

	* malloc/free.c: Include <libc-lock.h>.
	* malloc/realloc.c: Likewise.
	* malloc/malloc-find.c: Likewise.
	* malloc/malloc-size.c: Likewise.
	* malloc/malloc-walk.c: Likewise.
	* malloc/memalign.c: Likewise.
	* malloc/malloc.c: Likewise.

	* sysdeps/i386/dl-machine.h: Correct clearing of _dl_starting_up.

Fri Sep  6 19:38:49 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/stub/libc-lock.h: Define __libc_lock_critical_start
	and __libc_lock_critical_end as empty macros.

	* malloc/malloc.h: Don't include <libc-lock.h> and don't declare
	__libc_malloc_lock.
	* malloc/free.c: Include <libc-lock.h>.
	* malloc/malloc-find.c: Likewise.
	* malloc/malloc-size.c: Likewise.
	* malloc/malloc-walk.c: Likewise.
	* malloc/malloc.c: Likewise.
	* malloc/memalign.c: Likewise.
	* malloc/realloc.c: Likewise.

	* Makefile: Undo change from Mon Sep  2 22:15:14 1996.  No more
	extra_solibs pass.
	* Rules: Likewise.
	* extra-lib.mk: Likewise.
	* manual/Makefile: Likewise.

	* db/Makefile (makedb): Choose dependecies based on build-shared.
	Patch by Andres Schwab.

	* sysdeps/posix/sysconf.c: Don't use PTHREAD_DESTRUCTOR_ITERATIONS
 	but _POSIX_THREAD_DESTRUCTOR_ITERATIONS.

	* sysdeps/unix/sysv/linux/errnos.h: New file.
	* sysdeps/unix/sysv/linux/schedbits.h: New file.
	* sysdeps/unix/sysv/linux/waitflags.h: New file.

	* sysdeps/unix/sysv/linux/gnu/types.h: Add definition of `key_t'.

Fri Sep  6 08:26:31 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rpm/template: Fix typo in %build section.

Fri Sep  6 03:31:07 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/errnos.h: Don't define errno macro when
	building libc without thread support.
	* resolv/netdb.h: Likewise for h_errno macro.

Thu Sep  5 23:01:48 1996  Ulrich Drepper  <drepper@cygnus.com>

	* libc-symbols.h: Add new macro weak_const_function.  It's like
	weak_function, but the function is additionally marked as const.
	* features.h: Only include <sys/cdefs.h> if !__ASSEMBLER__.

Thu Sep  5 22:55:49 1996  Richard Henderson  <rth@tamu.edu>

	* inet/herrno.c (__h_errno_location): New function.
	(h_errno): Make strong_alias __h_errno so that we can access
	the variable even if `h_errno' is a macro.
	* resolv/netdb.h: Define macro h_errno to access thread specific
	version of h_errno variable.  Declare alias __h_errno for h_errno.
	* resolv/res_query (h_errno): Remove definition.
	* sysdeps/unix/sysv/linux/errnos.h [!__ASSEMBLER__ && __USE_REENTRANT]:
 	Add macro `errno' to get thread specific variable.
	* sysdeps/unix/alpha/sysdep.S [_LIBC_REENTRANT]: Set errno using
 	__errno_location function.
	(__errno_location): New function.

Thu Sep  5 21:08:44 1996  Ulrich Drepper  <drepper@cygnus.com>

	* posix/gnu/types.h: Remove definition of key_t.
	* sysdeps/generic/gnu/types.h: Move it to here.
	* sysdeps/unix/sysv/linux/gnu/types.h: Add Linux specific
	definition of key_t.

	* sysdeps/unix/sysv/linux/waitflags.h: New file.  Linux specific
	definitions.
	* sysdeps/unix/sysv/linux/schedbits.h: New file.  Include
	clone prototypes and associated flags.

Thu Sep  5 08:58:47 1996  Richard Henderson  <rth@tamu.edu>

	* sysdeps/alpha/elf/start.S: Make _start global again.

	hertz.
	here.

Wed Sep  4 16:16:13 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/send.c (__send): De-ANSI-fy.
	* sysdeps/mach/hurd/sendto.c (sendto): Likewise.
This commit is contained in:
Ulrich Drepper 1996-09-07 04:10:57 +00:00
parent 474be527c8
commit edf5b2d716
84 changed files with 888 additions and 200 deletions

212
ChangeLog
View File

@ -1,3 +1,204 @@
Sat Sep 7 05:15:45 1996 Ulrich Drepper <drepper@cygnus.com>
* libio/iofdopen: Initialize _lock field only if _IO_MTSAFE_IO.
* libio/iofopen: Likewise.
* libio/iofopncook.c: Likewise.
* libio/iopopen.c: Likewise.
* libio/iovsprintf.c: Likewise.
* libio/iovsscanf.c: Likewise.
* libio/memstream.c: Likewise.
* libio/vasprintf.c: Likewise.
* libio/vdprintf.c: Likewise.
* libio/vsnprintf.c: Likewise.
Sat Sep 7 03:55:47 1996 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig (soversions.mk): Also use shlib-versions files
in add-on directories.
* config.make.in (config-defines): Remove. Not used anymore.
(defines): New variable. Initiliazed by @DEFINES@.
* configure.in: Add AC_SUBST(DEFINES).
* libio/Makefile (routines): When compiling reentrant libc add
clearerr_u, feof_u, ferror_u, fputc_u, getc_u, getchar_u,
iofflush_u, putc_u, putchar_u, ioflockfile.
(CPPFLAGS): Add -D_IO_MTSAFE_IO for reentrant libc.
* sysdeps/stub/libc-lock.h: Add stubs for __libc_cleanup_region_start
and __libc_cleanup_region_end.
* sysdeps/unix/i386/sysdep.S [_LIBC_REENTRANT]: Set errno
using __errno_location function.
* sysdeps/unix/sysv/linux/i386/sysdep.S [_LIBC_REENTRANT]: Set errno
using __errno_location function.
(__errno_location): New function.
* sysdeps/unix/sysv/linux/i386/sysdep.h [PIC]: Add second
syscall_error handler for reentrant libc.
* sysdeps/unix/opendir.c: Remove unneeded `;'.
* libio.h [_IO_MTSAFE_IO]: Include <pthread.h>.
[!_IO_MTSAFE_IO]: Define _IO_flockfile and _IO_funlockfile
as empty macros.
* libioP.h: Include <libc-lock.h>.
* libio/stdio.h: Add prototypes for *_locked and *_unlocked
functions.
* libio/clearerr.c: Use _IO_ protected versions of flockfile
and funlockfile to be namespace clean.
* libio/genops.c: Use __libc_lock_* macros for handling lock.
* libio/iofdopen: Add initialization of _lock in _IO_FILE.
* libio/iofopen: Likewise.
* libio/iofopncook.c: Likewise.
* libio/iopopen.c: Likewise.
* libio/iovsprintf.c: Likewise.
* libio/iovsscanf.c: Likewise.
* libio/memstream.c: Likewise.
* libio/vasprintf.c: Likewise.
* libio/vdprintf.c: Likewise.
* libio/vsnprintf.c: Likewise.
* libio/fgetc.c: Use __libc_cleanup_region_* macros instead
of flockfile etc.
* libio/fputc.c: Likewise.
* libio/freopen.c: Likewise.
* libio/fseek.c: Likewise.
* libio/getc.c: Likewise.
* libio/getchar.c: Likewise.
* libio/iofclose.c: Likewise.
* libio/iofflush.c: Likewise.
* libio/iofgetpos.c: Likewise.
* libio/iofgets.c: Likewise.
* libio/iofputs.c: Likewise.
* libio/iofread.c: Likewise.
* libio/iofsetpos.c: Likewise.
* libio/ioftell.c: Likewise.
* libio/iofwrite.c: Likewise.
* libio/iogetdelim.c: Likewise.
* libio/iogets.c: Likewise.
* libio/ioputs.c: Likewise.
* libio/iosetbuffer.c: Likewise.
* libio/iosetvbuf.c: Likewise.
* libio/ioungetc.c: Likewise.
* libio/putc.c: Likewise.
* libio/putchar.c: Likewise.
* libio/rewind.c: Likewise.
* stdio-common/vfprintf.c: Likewise.
* stdio-common/vfscanf.c: Likewise.
* libio/clearerr_u.c: Correct alias name.
* libio/ferror_u.c: Likewise.
* libio/fileno.c: Likewise.
* libio/fputc_u.c: Likewise.
* libio/getc.c: Likewise.
* libio/getc_u.c: Likewise.
* libio/getchar.c: Likewise.
* libio/getchar_u.c: Likewise.
* libio/putc.c: Likewise.
* libio/putchar.c: Likewise.
* libio/feof_u.c: Undefine macro with name of function before
definition of function itself.
* libio/ioflockfile.c: New file. Implementation of flockfile and
funlockfile.
* libio/putchar_u.c: Fix typo. Use stdout instead of fp.
* malloc/malloc.h: Don't include <libc-lock.h> and don't declare
_malloc_loc.
* malloc/free.c: Include <libc-lock.h>.
* malloc/realloc.c: Likewise.
* malloc/malloc-find.c: Likewise.
* malloc/malloc-size.c: Likewise.
* malloc/malloc-walk.c: Likewise.
* malloc/memalign.c: Likewise.
* malloc/malloc.c: Likewise.
* sysdeps/i386/dl-machine.h: Correct clearing of _dl_starting_up.
Fri Sep 6 19:38:49 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/stub/libc-lock.h: Define __libc_lock_critical_start
and __libc_lock_critical_end as empty macros.
* malloc/malloc.h: Don't include <libc-lock.h> and don't declare
__libc_malloc_lock.
* malloc/free.c: Include <libc-lock.h>.
* malloc/malloc-find.c: Likewise.
* malloc/malloc-size.c: Likewise.
* malloc/malloc-walk.c: Likewise.
* malloc/malloc.c: Likewise.
* malloc/memalign.c: Likewise.
* malloc/realloc.c: Likewise.
* Makefile: Undo change from Mon Sep 2 22:15:14 1996. No more
extra_solibs pass.
* Rules: Likewise.
* extra-lib.mk: Likewise.
* manual/Makefile: Likewise.
* db/Makefile (makedb): Choose dependecies based on build-shared.
Patch by Andres Schwab.
* sysdeps/posix/sysconf.c: Don't use PTHREAD_DESTRUCTOR_ITERATIONS
but _POSIX_THREAD_DESTRUCTOR_ITERATIONS.
* sysdeps/unix/sysv/linux/errnos.h: New file.
* sysdeps/unix/sysv/linux/schedbits.h: New file.
* sysdeps/unix/sysv/linux/waitflags.h: New file.
* sysdeps/unix/sysv/linux/gnu/types.h: Add definition of `key_t'.
Fri Sep 6 08:26:31 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rpm/template: Fix typo in %build section.
Fri Sep 6 03:31:07 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/errnos.h: Don't define errno macro when
building libc without thread support.
* resolv/netdb.h: Likewise for h_errno macro.
Thu Sep 5 23:01:48 1996 Ulrich Drepper <drepper@cygnus.com>
* libc-symbols.h: Add new macro weak_const_function. It's like
weak_function, but the function is additionally marked as const.
* features.h: Only include <sys/cdefs.h> if !__ASSEMBLER__.
Thu Sep 5 22:55:49 1996 Richard Henderson <rth@tamu.edu>
* inet/herrno.c (__h_errno_location): New function.
(h_errno): Make strong_alias __h_errno so that we can access
the variable even if `h_errno' is a macro.
* resolv/netdb.h: Define macro h_errno to access thread specific
version of h_errno variable. Declare alias __h_errno for h_errno.
* resolv/res_query (h_errno): Remove definition.
* sysdeps/unix/sysv/linux/errnos.h [!__ASSEMBLER__ && __USE_REENTRANT]:
Add macro `errno' to get thread specific variable.
* sysdeps/unix/alpha/sysdep.S [_LIBC_REENTRANT]: Set errno using
__errno_location function.
(__errno_location): New function.
Thu Sep 5 21:08:44 1996 Ulrich Drepper <drepper@cygnus.com>
* posix/gnu/types.h: Remove definition of key_t.
* sysdeps/generic/gnu/types.h: Move it to here.
* sysdeps/unix/sysv/linux/gnu/types.h: Add Linux specific
definition of key_t.
* sysdeps/unix/sysv/linux/waitflags.h: New file. Linux specific
definitions.
* sysdeps/unix/sysv/linux/schedbits.h: New file. Include
clone prototypes and associated flags.
Thu Sep 5 08:58:47 1996 Richard Henderson <rth@tamu.edu>
* sysdeps/alpha/elf/start.S: Make _start global again.
Thu Sep 5 13:18:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* sysdeps/mach/hurd/i386/init-first.c (__libc_argc, __libc_argv):
@ -7,7 +208,7 @@ Thu Sep 5 13:18:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
available, pass __libc_argv in call to __proc_set_arg_locations.
* gmon/gmon.c (write_hist): Call __profile_frequency instead of
hertz.
hertz.
(hertz): Delete function.
* gmon/Makefile (routines): Add `prof-freq'.
* sysdeps/generic/prof-freq.c: New file.
@ -22,10 +223,10 @@ Thu Sep 5 13:18:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* Rules (generated): Restore reference to $(generated).
* mach/Machrules (mig.uh, mig.__h): Don't include $(user-MIGFLAGS)
here.
here.
* malloc/free.c (free): __lib_malloc_lock -> __libc_malloc_lock.
* malloc/free.c: Provide extern decl of __libc_malloc_lock.
* malloc/realloc.c: Likewise.
* malloc/malloc-find.c: Likewise.
@ -162,6 +363,11 @@ Sat Aug 31 03:07:39 1996 Ulrich Drepper <drepper@cygnus.com>
* intl/l10nflist.c (_nl_normalize_codeset): We convert to lower
case, so don't prepend uppercase `ISO' for only numeric arg.
Wed Sep 4 16:16:13 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/mach/hurd/send.c (__send): De-ANSI-fy.
* sysdeps/mach/hurd/sendto.c (sendto): Likewise.
Tue Sep 3 11:16:07 1996 Thomas Bushnell/ n/BSG <thomas@gnu.ai.mit.edu>
* shadow/lckpwdf.c (__ulckpwdf): Don't take address of LOCK in

View File

@ -523,17 +523,23 @@ ifeq (yes, $(build-shared))
# version numbers to use when we install shared objects on this system.
-include $(common-objpfx)soversions.mk
$(common-objpfx)soversions.mk: $(..)shlib-versions $(..)Makeconfig \
$(wildcard $(patsubst %, $(..)%/shlib-versions,\
$(add-ons))) \
$(common-objpfx)config.make
sed 's/#.*$$//' $< | while read conf versions; do \
test -n "$$versions" || continue; \
case '$(config-machine)-$(config-vendor)-$(config-os)' in $$conf)\
for v in $$versions; do \
lib=`echo $$v | sed 's/=.*$$//'`; \
if eval "test -z \"\$$vers_lib$$lib\""; then \
eval vers_lib$${lib}=yes; \
echo $$v | sed "s/^.*=/$$lib.so-version=./"; \
fi; \
done ;; esac; done > $@T; exit 0
(file="$(..)shlib-versions \
$(wildcard $(patsubst %,$(..)%/shlib-versions,$(add-ons)))"; \
for f in $$file; do \
sed 's/#.*$$//' $$f | while read conf versions; do \
test -n "$$versions" || continue; \
case '$(config-machine)-$(config-vendor)-$(config-os)' in $$conf)\
for v in $$versions; do \
lib=`echo $$v | sed 's/=.*$$//'`; \
if eval "test -z \"\$$vers_lib$$lib\""; then \
eval vers_lib$${lib}=yes; \
echo $$v | sed "s/^.*=/$$lib.so-version=./"; \
fi; \
done ;; esac; done; \
done;) > $@T; exit 0
mv -f $@T $@
# Get $(version) defined with the release version number.

View File

@ -26,7 +26,7 @@ endif
# This is the default target; it makes everything except the tests.
.PHONY: all
all: lib extra_solibs others
all: lib others
define autoconf-it
@-rm -f $@.new
@ -73,9 +73,9 @@ subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
# These are the targets that are made by making them in each subdirectory.
+subdir_targets := subdir_lib extra_solibs objects objs others \
subdir_mostlyclean subdir_clean subdir_distclean \
subdir_realclean tests subdir_lint.out \
+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \
subdir_clean subdir_distclean subdir_realclean \
tests subdir_lint.out \
subdir_distinfo \
subdir_echo-headers subdir_echo-distinfo \
subdir_install \

3
Rules
View File

@ -107,14 +107,13 @@ $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
endif # tests
.PHONY: distclean realclean subdir_distclean subdir_realclean \
subdir_clean subdir_mostlyclean extra_solibs
subdir_clean subdir_mostlyclean
subdir_mostlyclean: mostlyclean
subdir_clean: clean
subdir_distclean: distclean
subdir_realclean: realclean
realclean: distclean
distclean: clean
extra_solibs:
.PHONY: subdir_echo-headers
subdir_echo-headers: echo-headers

View File

@ -13,7 +13,7 @@ config-vendor = @host_vendor@
config-os = @host_os@
config-sysdirs = @sysnames@
config-defines = @DEFS@
defines = @DEFINES@
elf = @elf@
have-initfini = @libc_cv_have_initfini@

3
configure vendored
View File

@ -1754,6 +1754,8 @@ fi
if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
config_makefile=
else
@ -1912,6 +1914,7 @@ s%@elf@%$elf%g
s%@shared@%$shared%g
s%@profile@%$profile%g
s%@omitfp@%$omitfp%g
s%@DEFINES@%$DEFINES%g
CEOF
EOF

View File

@ -668,6 +668,8 @@ fi
AC_SUBST(profile)
AC_SUBST(omitfp)
AC_SUBST(DEFINES)
if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
config_makefile=
else

View File

@ -39,4 +39,8 @@ CFLAGS-hash_func.c := -Wno-unused
# The db code outsmarts the compiler frequently.
override CFLAGS += -Wno-uninitialized
LDLIBS-makedb := db/libdb
ifeq ($(build_shared),yes)
$(objpfx)makedb: $(objpfx)libdb.so$(libdb.so-version)
else
$(objpfx)makedb: $(objpfx)libdb.a
endif

View File

@ -28,7 +28,7 @@ alltypes-$(lib) := $(foreach o,$(object-suffixes-$(lib)),\
ifeq (,$(filter $(lib),$(extra-libs-others)))
lib-noranlib: $(alltypes-$(lib))
ifeq (yes,$(build-shared))
extra_solibs: $(objpfx)$(lib).so$($(lib).so-version)
lib-noranlib: $(objpfx)$(lib).so$($(lib).so-version)
endif
else
others: $(alltypes-$(lib))
@ -37,7 +37,7 @@ endif
# The linked shared library is never a dependent of lib-noranlib,
# because linking it will depend on libc.so already being built.
ifneq (,$(filter .so,$(object-suffixes-$(lib))))
extra_solibs: $(objpfx)$(lib).so
others: $(objpfx)$(lib).so
endif

View File

@ -160,7 +160,9 @@ Cambridge, MA 02139, USA. */
/* This is here only because every header file already includes this one. */
#ifndef __ASSEMBLER__
#include <sys/cdefs.h>
#endif
/* This is here only because every header file already includes this one. */
#ifndef _LIBC

View File

@ -16,7 +16,19 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <features.h>
/* We need to have the error status variable of the resolver
accessible in the libc. */
int h_errno;
int __h_errno;
strong_alias (__h_errno, h_errno)
/* When threaded, h_errno may be a per-process variable. */
#ifdef __USE_REENTRANT
int
weak_const_function
__h_errno_location (void)
{
return &__h_errno;
}
#endif

View File

@ -202,6 +202,7 @@ extern const char _libc_intl_domainname[];
/* This comes between the return type and function name in
a function definition to make that definition weak. */
#define weak_function __attribute__ ((weak))
#define weak_const_function __attribute__ ((weak, __const__))
#endif /* HAVE_WEAK_SYMBOLS. */
#endif /* Not ASSEMBLER, and GCC 2.7 or later. */
@ -213,6 +214,7 @@ extern const char _libc_intl_domainname[];
directive for the function symbol, and a `.weak' directive in addition
will produce an error from the assembler. */
#define weak_function /* empty */
#define weak_const_function /* empty */
#endif

View File

@ -36,6 +36,15 @@ routines := \
\
libc_fatal
include ../Makeconfig
ifneq (,$(filter %REENTRANT, $(defines)))
routines += clearerr_u feof_u ferror_u fputc_u getc_u getchar_u \
iofflush_u putc_u putchar_u ioflockfile
CPPFLAGS += -D_IO_MTSAFE_IO
endif
aux := \
cleanup fileops genops stdfiles stdio strops

View File

@ -24,9 +24,9 @@ clearerr (fp)
FILE *fp;
{
CHECK_FILE (fp, /*nothing*/);
flockfile (fp);
_IO_flockfile (fp);
_IO_clearerr (fp);
funlockfile (fp);
_IO_funlockfile (fp);
}
#ifdef _IO_MTSAFE_IO

View File

@ -27,4 +27,4 @@ __clearerr_unlocked (fp)
_IO_clearerr (fp);
}
weak_alias (clearerr_unlocked, __clearerr_unlocked)
weak_alias (__clearerr_unlocked, clearerr_unlocked)

View File

@ -24,6 +24,8 @@ the executable file might be covered by the GNU General Public License. */
#include "libioP.h"
#include "stdio.h"
#undef feof_unlocked
int
feof_unlocked (fp)
_IO_FILE* fp;

View File

@ -24,6 +24,8 @@ the executable file might be covered by the GNU General Public License. */
#include "libioP.h"
#include "stdio.h"
#undef ferror_unlocked
int
ferror_unlocked (fp)
_IO_FILE* fp;

View File

@ -31,8 +31,9 @@ fgetc (fp)
{
int result;
CHECK_FILE (fp, EOF);
flockfile (fp);
__libc_cleanup_region_start (_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_getc_unlocked (fp);
funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -42,6 +42,6 @@ fileno (fp)
it only accesses once a single variable and this is already atomic
(at least at thread level). */
weak_alias (fileno_unlocked, fileno)
weak_alias (fileno_locked, fileno)
weak_alias (fileno, fileno_unlocked)
weak_alias (fileno, fileno_locked)
#endif

View File

@ -32,8 +32,11 @@ fputc (c, fp)
{
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_putc_unlocked (c, fp);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}
weak_alias (fputc, fputc_locked)

View File

@ -36,4 +36,4 @@ __fputc_unlocked (c, fp)
return _IO_putc_unlocked (c, fp);
}
weak_alias (fputc_unlocked, __fputc_unlocked)
weak_alias (__fputc_unlocked, fputc_unlocked)

View File

@ -35,8 +35,9 @@ freopen (filename, mode, fp)
CHECK_FILE (fp, NULL);
if (!(fp->_flags & _IO_IS_FILEBUF))
return NULL;
flockfile (fp);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_freopen (filename, mode, fp);
funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993, 1995 Free Software Foundation
Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -22,8 +22,8 @@ the resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#include "stdio.h"
#include "libioP.h"
#include "stdio.h"
int
fseek (fp, offset, whence)
@ -33,8 +33,9 @@ fseek (fp, offset, whence)
{
int result;
CHECK_FILE (fp, -1);
flockfile (fp);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_fseek (fp, offset, whence);
funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -466,7 +466,7 @@ DEFUN(_IO_init, (fp, flags),
fp->_markers = NULL;
fp->_cur_column = 0;
#ifdef _IO_MTSAFE_IO
_IO_mutex_init (fp->_lock);
__libc_lock_init (fp->_lock);
#endif
}
@ -501,7 +501,7 @@ DEFUN(_IO_default_finish, (fp),
}
#ifdef _IO_MTSAFE_IO
_IO_mutex_destroy (fp->_lock);
__libc_lock_fini (fp->_lock);
#endif
_IO_un_link(fp);

View File

@ -33,14 +33,15 @@ getc (fp)
{
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_getc_unlocked (fp);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}
#ifdef _IO_MTSAFE_IO
# undef getc_locked
weak_alias (getc_locked, getc)
weak_alias (getc, getc_locked)
#endif

View File

@ -35,4 +35,4 @@ __getc_unlocked (fp)
return _IO_getc_unlocked (fp);
}
weak_alias (getc_unlocked, __getc_unlocked)
weak_alias (__getc_unlocked, getc_unlocked)

View File

@ -31,14 +31,15 @@ int
getchar ()
{
int result;
__libc_cleanup_region_start (&_IO_funlockfile, stdin);
_IO_flockfile (stdin);
result = _IO_getc_unlocked (stdin);
_IO_funlockfile (stdin);
__libc_cleanup_region_end (1);
return result;
}
#ifdef _IO_MTSAFE_IO
# undef getchar_locked
weak_alias (getchar_locked, getchar)
weak_alias (getchar, getchar_locked)
#endif

View File

@ -33,4 +33,4 @@ __getchar_unlocked ()
return _IO_getc_unlocked (stdin);
}
weak_alias (getchar_unlocked, __getchar_unlocked)
weak_alias (__getchar_unlocked, getchar_unlocked)

View File

@ -35,6 +35,7 @@ _IO_fclose (fp)
CHECK_FILE(fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
if (fp->_IO_file_flags & _IO_IS_FILEBUF)
status = _IO_file_close_it (fp);
@ -46,7 +47,7 @@ _IO_fclose (fp)
fp->_IO_file_flags = 0;
free(fp);
}
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return status;
}

View File

@ -39,7 +39,11 @@ _IO_fdopen (fd, mode)
{
int read_write;
int posix_mode = 0;
struct _IO_FILE_plus *fp;
struct locked_FILE
{
struct _IO_FILE_plus fp;
_IO_lock_t lock;
} *new_f;
int fd_flags;
switch (*mode++)
@ -97,28 +101,29 @@ _IO_fdopen (fd, mode)
}
#endif
fp = (struct _IO_FILE_plus *) malloc (sizeof (struct _IO_FILE_plus));
if (fp == NULL)
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
_IO_init (&fp->file, 0);
_IO_JUMPS (&fp->file) = &_IO_file_jumps;
_IO_file_init (&fp->file);
new_f->fp.file._lock = &new_f->lock;
_IO_init (&new_f->fp.file, 0);
_IO_JUMPS (&new_f->fp.file) = &_IO_file_jumps;
_IO_file_init (&new_f->fp.file);
#if !_IO_UNIFIED_JUMPTABLES
fp->vtable = NULL;
new_f->fp.vtable = NULL;
#endif
if (_IO_file_attach (&fp->file, fd) == NULL)
if (_IO_file_attach (&new_f->fp.file, fd) == NULL)
{
_IO_un_link (&fp->file);
free (fp);
_IO_un_link (&new_f->fp.file);
free (new_f);
return NULL;
}
fp->file._flags &= ~_IO_DELETE_DONT_CLOSE;
new_f->fp.file._flags &= ~_IO_DELETE_DONT_CLOSE;
fp->file._IO_file_flags =
_IO_mask_flags (&fp->file, read_write,
new_f->fp.file._IO_file_flags =
_IO_mask_flags (&new_f->fp.file, read_write,
_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
return (_IO_FILE *) fp;
return (_IO_FILE *) &new_f->fp;
}
weak_alias (_IO_fdopen, fdopen)

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993, 1995 Free Software Foundation
Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -33,10 +33,11 @@ _IO_fflush (fp)
else
{
int result;
_IO_flockfile (fp);
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_SYNC (fp) ? EOF : 0;
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}
}

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993, 1995 Free Software Foundation
Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -33,9 +33,10 @@ _IO_fgetpos (fp, posp)
{
_IO_fpos_t pos;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
if (pos == _IO_pos_BAD)
{
#ifdef EIO

View File

@ -35,6 +35,7 @@ _IO_fgets (buf, n, fp)
CHECK_FILE (fp, NULL);
if (n <= 0)
return NULL;
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
count = _IO_getline (fp, buf, n - 1, '\n', 1);
if (count == 0 || (fp->_IO_file_flags & _IO_ERR_SEEN))
@ -44,7 +45,7 @@ _IO_fgets (buf, n, fp)
buf[count] = '\0';
result = buf;
}
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

43
libio/ioflockfile.c Normal file
View File

@ -0,0 +1,43 @@
/*
Copyright (C) 1996 Free Software Foundation
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this library; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
As a special exception, if you link this library with files
compiled with a GNU compiler to produce an executable, this does not cause
the resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#include "libioP.h"
#include <libc-lock.h>
void
_IO_flockfile (s)
_IO_FILE *s;
{
__libc_lock_lock (s->_lock);
}
weak_alias (_IO_flockfile, flockfile)
void
_IO_funlockfile (s)
_IO_FILE *s;
{
__libc_lock_unlock (s->_lock);
}
weak_alias (_IO_funlockfile, funlockfile)

View File

@ -32,20 +32,25 @@ _IO_fopen (filename, mode)
const char *filename;
const char *mode;
{
struct _IO_FILE_plus *fp =
(struct _IO_FILE_plus *) malloc (sizeof (struct _IO_FILE_plus));
if (fp == NULL)
struct locked_FILE
{
struct _IO_FILE_plus fp;
_IO_lock_t lock;
} *new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
_IO_init (&fp->file, 0);
_IO_JUMPS (&fp->file) = &_IO_file_jumps;
_IO_file_init (&fp->file);
new_f->fp.file._lock = &new_f->lock;
_IO_init (&new_f->fp.file, 0);
_IO_JUMPS (&new_f->fp.file) = &_IO_file_jumps;
_IO_file_init (&new_f->fp.file);
#if !_IO_UNIFIED_JUMPTABLES
fp->vtable = NULL;
new_f->fp.vtable = NULL;
#endif
if (_IO_file_fopen (&fp->file, filename, mode) != NULL)
return (_IO_FILE *) fp;
_IO_un_link (&fp->file);
free (fp);
if (_IO_file_fopen (&new_f->fp.file, filename, mode) != NULL)
return (_IO_FILE *) &new_f->fp;
_IO_un_link (&new_f->fp.file);
free (new_f);
return NULL;
}

View File

@ -128,7 +128,11 @@ fopencookie (cookie, mode, io_functions)
_IO_cookie_io_functions_t io_functions;
{
int read_write;
struct _IO_cookie_file *cfile;
struct locked_FILE
{
struct _IO_cookie_file cfile;
_IO_lock_t lock;
} *new_f;
switch (*mode++)
{
@ -147,21 +151,21 @@ fopencookie (cookie, mode, io_functions)
if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+'))
read_write &= _IO_IS_APPENDING;
cfile = (struct _IO_cookie_file *) malloc (sizeof (struct _IO_cookie_file));
if (cfile == NULL)
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
new_f->cfile.file._lock = &new_f->lock;
_IO_init (&cfile->file, 0);
_IO_JUMPS (&cfile->file) = &_IO_cookie_jumps;
cfile->cookie = cookie;
cfile->io_functions = io_functions;
_IO_init (&new_f->cfile.file, 0);
_IO_JUMPS (&new_f->cfile.file) = &_IO_cookie_jumps;
new_f->cfile.cookie = cookie;
new_f->cfile.io_functions = io_functions;
_IO_file_init(&cfile->file);
_IO_file_init(&new_f->cfile.file);
cfile->file._IO_file_flags =
_IO_mask_flags (&cfile->file, read_write,
new_f->cfile.file._IO_file_flags =
_IO_mask_flags (&new_f->cfile.file, read_write,
_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
return &cfile->file;
return &new_f->cfile.file;
}

View File

@ -33,12 +33,13 @@ _IO_fputs (str, fp)
_IO_size_t len = strlen (str);
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
if (_IO_sputn (fp, str, len) != len)
result = EOF;
else
result = 1;
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -36,9 +36,10 @@ _IO_fread (buf, size, count, fp)
CHECK_FILE (fp, 0);
if (bytes_requested == 0)
return 0;
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return bytes_requested == bytes_read ? count : bytes_read / size;
}
weak_alias (_IO_fread, fread)

View File

@ -32,6 +32,7 @@ _IO_fsetpos (fp, posp)
{
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
if (_IO_seekpos (fp, *posp, _IOS_INPUT|_IOS_OUTPUT) == _IO_pos_BAD)
{
@ -44,7 +45,7 @@ _IO_fsetpos (fp, posp)
}
else
result = 0;
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993, 1995 Free Software Foundation
Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -32,9 +32,10 @@ _IO_ftell (fp)
{
_IO_pos_t pos;
CHECK_FILE (fp, -1L);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
if (pos == _IO_pos_BAD)
{
#ifdef EIO

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993 Free Software Foundation
Copyright (C) 1993, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -36,9 +36,10 @@ _IO_fwrite (buf, size, count, fp)
CHECK_FILE (fp, 0);
if (request == 0)
return 0;
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
written = _IO_sputn (fp, (const char *) buf, request);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
/* Many traditional implementations return 0 if size==0 && count > 0,
but ANSI seems to require us to return count in this case. */
if (written == request)

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1994 Free Software Foundation
Copyright (C) 1994, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -54,6 +54,7 @@ _IO_getdelim (lineptr, n, delimiter, fp)
return -1;
}
CHECK_FILE (fp, -1);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
if (_IO_ferror_unlocked (fp))
{
@ -115,7 +116,7 @@ _IO_getdelim (lineptr, n, delimiter, fp)
result = cur_len;
unlock_return:
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993 Free Software Foundation
Copyright (C) 1993, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -32,6 +32,7 @@ _IO_gets (buf)
_IO_size_t count;
int ch;
__libc_cleanup_region_start (&_IO_funlockfile, _IO_stdin);
_IO_flockfile (_IO_stdin);
ch = _IO_getc_unlocked (_IO_stdin);
if (ch == EOF)
@ -45,7 +46,7 @@ _IO_gets (buf)
if (_IO_stdin->_IO_file_flags & _IO_ERR_SEEN)
return NULL;
}
_IO_funlockfile (_IO_stdin);
__libc_cleanup_region_end (1);
buf[count] = 0;
return buf;
}

View File

@ -149,10 +149,18 @@ _IO_FILE *
DEFUN(_IO_popen, (command, mode),
const char *command AND const char *mode)
{
_IO_proc_file *fpx = (_IO_proc_file*)malloc(sizeof(_IO_proc_file));
_IO_FILE *fp = (_IO_FILE*)fpx;
if (fp == NULL)
struct locked_FILE
{
struct _IO_proc_file fpx;
_IO_lock_t lock;
} *new_f;
_IO_FILE *fp;
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
new_f->fpx.file.file._lock = &new_f->lock;
fp = (_IO_FILE*)&new_f->fpx;
_IO_init(fp, 0);
_IO_JUMPS(fp) = &_IO_proc_jumps;
_IO_file_init(fp);
@ -161,7 +169,7 @@ DEFUN(_IO_popen, (command, mode),
#endif
if (_IO_proc_open (fp, command, mode) != NULL)
return fp;
free (fpx);
free (new_f);
return NULL;
}

View File

@ -30,13 +30,14 @@ _IO_puts (str)
{
int result;
_IO_size_t len = strlen (str);
_IO_flockfile (fp);
__libc_cleanup_region_start (&_IO_funlockfile, _IO_stdout);
_IO_flockfile (_IO_stdout);
if (_IO_sputn (_IO_stdout, str, len) == len
&& _IO_putc_unlocked ('\n', _IO_stdout) != EOF)
result = len + 1;
else
result = EOF;
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}
weak_alias (_IO_puts, puts)

View File

@ -31,12 +31,13 @@ _IO_setbuffer (fp, buf, size)
_IO_size_t size;
{
CHECK_FILE (fp, );
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
fp->_flags &= ~_IO_LINE_BUF;
if (!buf)
size = 0;
(void) _IO_SETBUF (fp, buf, size);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
}
weak_alias (_IO_setbuffer, setbuffer)

View File

@ -1,5 +1,5 @@
/*
Copyright (C) 1993 Free Software Foundation
Copyright (C) 1993, 1996 Free Software Foundation, Inc.
This file is part of the GNU IO Library. This library is free
software; you can redistribute it and/or modify it under the
@ -37,6 +37,7 @@ _IO_setvbuf (fp, buf, mode, size)
{
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
switch (mode)
{
@ -88,7 +89,7 @@ _IO_setvbuf (fp, buf, mode, size)
}
result = _IO_SETBUF (fp, buf, size) == NULL ? EOF : 0;
unlock_return:
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -33,9 +33,10 @@ _IO_ungetc (c, fp)
CHECK_FILE (fp, EOF);
if (c == EOF)
return EOF;
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_sputbackc (fp, (unsigned char) c);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}

View File

@ -32,7 +32,10 @@ _IO_vsprintf (string, format, args)
_IO_va_list args;
{
_IO_strfile sf;
_IO_lock_t lock;
int ret;
sf._f._lock = &lock;
_IO_init ((_IO_FILE *) &sf, 0);
_IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps;
_IO_str_init_static ((_IO_FILE *) &sf, string, -1, string);

View File

@ -30,6 +30,8 @@ DEFUN(_IO_vsscanf, (string, format, args),
const char *string AND const char *format AND _IO_va_list args)
{
_IO_strfile sf;
_IO_lock_t lock;
sf._f._lock = &lock;
_IO_init((_IO_FILE*)&sf, 0);
_IO_JUMPS((_IO_FILE*)&sf) = &_IO_str_jumps;
_IO_str_init_static ((_IO_FILE*)&sf, (char*)string, 0, NULL);

View File

@ -150,6 +150,7 @@ typedef struct
/* Handle lock. */
#ifdef _IO_MTSAFE_IO
#include <pthread.h>
typedef pthread_mutex_t _IO_lock_t;
#else
typedef void _IO_lock_t;
@ -272,10 +273,10 @@ extern int _IO_putc_locked __P ((int, _IO_FILE *));
extern void _IO_flockfile __P ((_IO_FILE *));
extern void _IO_funlockfile __P ((_IO_FILE *));
#if !defined(_REENTRANT) && !defined(_THREAD_SAFE)
#ifndef _IO_MTSAFE_IO
# define _IO_flockfile(FILE) /**/
# define _IO_funlockfile(FILE) /**/
#endif /* _REENTRANT || _THREAD_SAFE */
#endif /* !_IO_MTSAFE_IO */
extern int _IO_vfscanf __P((_IO_FILE*, const char*, _IO_va_list, int*));

View File

@ -26,6 +26,7 @@ the executable file might be covered by the GNU General Public License. */
#ifndef errno
extern int errno;
#endif
#include <libc-lock.h>
#include "iolibio.h"

View File

@ -16,8 +16,8 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "strfile.h"
#include "libioP.h"
#include "strfile.h"
#include <stdio.h>
#include <stdlib.h>
@ -64,26 +64,30 @@ open_memstream (bufloc, sizeloc)
char **bufloc;
_IO_size_t *sizeloc;
{
struct _IO_FILE_memstream *fp;
struct locked_FILE
{
struct _IO_FILE_memstream fp;
_IO_lock_t lock;
} *new_f;
char *buf;
fp = (struct _IO_FILE_memstream *)
malloc (sizeof (struct _IO_FILE_memstream));
if (fp == NULL)
new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE));
if (new_f == NULL)
return NULL;
new_f->fp._sf._f._lock = &new_f->lock;
buf = ALLOC_BUF (_IO_BUFSIZ);
_IO_init (&fp->_sf._f, 0);
_IO_JUMPS (&fp->_sf._f) = &_IO_mem_jumps;
_IO_str_init_static (&fp->_sf._f, buf, _IO_BUFSIZ, buf);
fp->_sf._f._flags &= ~_IO_USER_BUF;
fp->_sf._s._allocate_buffer = (_IO_alloc_type) malloc;
fp->_sf._s._free_buffer = (_IO_free_type) free;
_IO_init (&new_f->fp._sf._f, 0);
_IO_JUMPS (&new_f->fp._sf._f) = &_IO_mem_jumps;
_IO_str_init_static (&new_f->fp._sf._f, buf, _IO_BUFSIZ, buf);
new_f->fp._sf._f._flags &= ~_IO_USER_BUF;
new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
fp->bufloc = bufloc;
fp->sizeloc = sizeloc;
new_f->fp.bufloc = bufloc;
new_f->fp.sizeloc = sizeloc;
return &fp->_sf._f;
return &new_f->fp._sf._f;
}

View File

@ -28,14 +28,15 @@ putc (c, fp)
{
int result;
CHECK_FILE (fp, EOF);
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_putc_unlocked (c, fp);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
return result;
}
#ifdef _IO_MTSAFE_IO
# undef putc_locked
weak_alias (putc_locked, putc)
weak_alias (putc, putc_locked)
#endif

View File

@ -26,14 +26,15 @@ putchar (c)
int c;
{
int result;
__libc_cleanup_region_start (&_IO_funlockfile, _IO_stdout);
_IO_flockfile (_IO_stdout);
result = _IO_putc_unlocked (c, _IO_stdout);
_IO_funlockfile (_IO_stdout);
__libc_cleanup_region_end (1);
return result;
}
#ifdef _IO_MTSAFE_IO
# undef putchar_locked
weak_alias (putchar_locked, putchar)
weak_alias (putchar, putchar_locked)
#endif

View File

@ -25,6 +25,6 @@ int
putchar_unlocked (c)
int c;
{
CHECK_FILE (fp, EOF);
return _IO_putc_unlocked (c, fp);
CHECK_FILE (stdout, EOF);
return _IO_putc_unlocked (c, stdout);
}

View File

@ -21,15 +21,16 @@ the resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#include "stdio.h"
#include "libioP.h"
#include "stdio.h"
void
rewind (fp)
_IO_FILE* fp;
{
CHECK_FILE (fp, );
__libc_cleanup_region_start (&_IO_funlockfile, fp);
_IO_flockfile (fp);
_IO_rewind (fp);
_IO_funlockfile (fp);
__libc_cleanup_region_end (1);
}

View File

@ -206,39 +206,51 @@ extern const char *const _sys_errlist[];
#endif
/* Handle locking of streams. */
#if defined(_REENTRANT) || defined(_THREAD_SAFE)
#ifdef __USE_REENTRANT
extern void clearerr_locked __P ((FILE *));
extern void clearerr_unlocked __P ((FILE *));
extern void fileno_unlocked __P ((FILE *));
extern int feof_locked __P ((FILE *));
extern int feof_unlocked __P ((FILE *));
extern int ferror_locked __P ((FILE*));
extern int ferror_unlocked __P ((FILE*));
extern int fileno_locked __P ((FILE *));
extern int fileno_unlocked __P ((FILE *));
extern void flockfile __P ((FILE *));
extern void funlockfile __P ((FILE *));
extern int fclose_unlocked __P ((FILE *));
extern int fflush_locked __P ((FILE *));
extern int fflush_unlocked __P ((FILE *));
extern size_t fread_unlocked __P ((void *, size_t, size_t, FILE *));
extern size_t fwrite_unlocked __P ((const void *, size_t, size_t, FILE *));
extern int fputc_locked __P ((int, FILE*));
extern int fputc_unlocked __P ((int, FILE*));
extern int getc_locked __P ((FILE *));
extern int getc_unlocked __P ((FILE *));
extern int getchar_locked __P ((void));
extern int getchar_unlocked __P ((void));
extern int putc_locked __P ((int, FILE *));
extern int putc_unlocked __P ((int, FILE *));
extern int putchar_locked __P ((int));
extern int putchar_unlocked __P ((int));
# define getc_unlocked(fp) _IO_getc_unlocked (fp)
# define getc_locked(fp) _IO_fgetc (fp)
# define getc_locked(fp) fgetc (fp)
# define getchar_unlocked() getc_unlocked (stdin)
# define getchar_locked() getc_locked (stdin)
# define getc(fp) getc_locked (fp)
# define putc_unlocked(c, fp) _IO_putc_unlocked (c, fp)
# define putc_locked(c, fp) _IO_putc_locked (c, fp)
# define putc_unlocked(c, fp) putc_unlocked (c, fp)
# define putc_locked(c, fp) putc_locked (c, fp)
# define putchar_unlocked(c) putc_unlocked (c, stdout)
# define putchar_locked(c) putc_locked (c, stdout)
# define putc(c, fp) putc_locked (c, fp)
# define feof_unlocked(fp) _IO_feof_unlocked (fp)
# define ferror_unlocked(fp) _IO_ferror_unlocked (fp)
#else
# define getc(fp) _IO_getc_unlocked (fp)
# define putc(c, fp) _IO_putc_unlocked (c, fp)
#endif /* _REENTRANT || _THREAD_SAFE */
#define flockfile(FILE) _IO_flockfile (FILE)
#define funlockfile(FILE) _IO_funlockfile (FILE)
#endif /* __USE_REENTRANT */
#define putchar(c) putc (c, stdout)
#define getchar() getc (stdin)

View File

@ -38,10 +38,12 @@ _IO_vasprintf (result_ptr, format, args)
const _IO_size_t init_string_size = 100;
char *string;
_IO_strfile sf;
_IO_lock_t lock;
int ret;
string = ALLOC_BUF(init_string_size);
if (string == NULL)
return -1;
sf._f._lock = &lock;
_IO_init((_IO_FILE*)&sf, 0);
_IO_JUMPS((_IO_FILE*)&sf) = &_IO_str_jumps;
_IO_str_init_static ((_IO_FILE*)&sf, string, init_string_size, string);

View File

@ -32,8 +32,10 @@ _IO_vdprintf (d, format, arg)
_IO_va_list arg;
{
struct _IO_FILE_plus tmpfil;
_IO_lock_t lock;
int done;
tmpfil.file._lock = &lock;
_IO_init (&tmpfil.file, 0);
_IO_JUMPS (&tmpfil.file) = &_IO_file_jumps;
_IO_file_init (&tmpfil.file);

View File

@ -33,7 +33,9 @@ _IO_vsnprintf (string, maxlen, format, args)
_IO_va_list args;
{
_IO_strfile sf;
_IO_lock_t lock;
int ret;
sf._f._lock = &lock;
_IO_init ((_IO_FILE *) &sf, 0);
_IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps;
_IO_str_init_static ((_IO_FILE *) &sf, string, maxlen - 1, string);

View File

@ -155,7 +155,7 @@ subdir_%: ;
# ../Rules defines them for code subdirectories; for us, they are no-ops.
# None of these should be `subdir_TARGET'; those targets are transformed
# by the implicit rule above into `TARGET' deps.
glibc-targets := lib extra_solibs objects objs others tests lint.out \
glibc-targets := lib objects objs others tests lint.out \
echo-headers echo-distinfo stubs
.PHONY: $(glibc-targets)
$(glibc-targets):

View File

@ -114,12 +114,6 @@ typedef int register_t __attribute__ ((__mode__ (__word__)));
#endif
#ifdef __USE_SVID
/* Data type for key value used in System V IPC functions. */
typedef long int key_t;
#endif
#ifdef __USE_BSD
/* In BSD <sys/types.h> is expected to define BYTE_ORDER. */
#include <endian.h>

View File

@ -43,6 +43,17 @@ __BEGIN_DECLS
/* Error status for non-reentrant lookup functions. */
extern int h_errno;
#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT)
/* Function to access thread specific `h_errno' variable. */
extern int *__h_errno_location __P ((void)) __attribute__ ((__const__));
/* An alias name for above variable. */
extern int __h_errno;
/* Use a macro to access always the thread specific `h_errno' variable. */
#define h_errno (*__h_errno_location ())
#endif
/* Possible values left in `h_errno'. */
#define NETDB_INTERNAL -1 /* See errno. */
#define NETDB_SUCCESS 0 /* No problem. */

View File

@ -87,7 +87,7 @@ static char rcsid[] = "$Id$";
#endif
char *__hostalias __P((const char *));
int h_errno;
/*
* Formulate a normal query, send, and await answer.

View File

@ -11,7 +11,7 @@ Source: glibc-@VERSION@.tar.gz
%build
configure --prefix=@prefix@
if test x@prefix@ = /usr; then
if test x@prefix@ = x/usr; then
cat >configparms <<EOF
slibdir=/lib
sysconfdir=/etc

View File

@ -101,6 +101,9 @@ ssize_t __wprintf_pad __P ((FILE *, wchar_t pad, size_t n));
} \
} while (0)
# define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED)
# define flockfile(S) _IO_flockfile (S)
/* This macro must be without parameter! Don't change it. */
# define funlockfile _IO_funlockfile
#else /* ! USE_IN_LIBIO */
/* This code is for use in the GNU C library. */
# include <stdio.h>
@ -398,7 +401,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
#define process_arg(fspec) \
/* Start real work. We know about all flag and modifiers and \
/* Start real work. We know about all flags and modifiers and \
now process the wanted format specifier. */ \
LABEL (form_percent): \
/* Write a literal "%". */ \
@ -846,6 +849,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
f = lead_str_end = find_spec (format, &mbstate);
/* Lock stream. */
__libc_cleanup_region_start ((void (*) (void *)) &funlockfile, s);
flockfile (s);
/* Write the literal text before the first format. */
@ -854,10 +858,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
/* If we only have to print a simple string, return now. */
if (*f == L_('\0'))
{
funlockfile (s);
return done;
}
goto all_done;
/* Process whole format string. */
do
@ -1025,8 +1026,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
if (spec == L_('\0'))
{
/* The format string ended before the specifier is complete. */
funlockfile (s);
return -1;
done = -1;
goto all_done;
}
/* If we are in the fast loop force entering the complicated
@ -1042,11 +1043,8 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
}
while (*f != L_('\0'));
/* Unlock stream. */
funlockfile (s);
/* We processed the whole format without any positional parameters. */
return done;
/* Unlock stream and return. */
goto all_done;
/* Here starts the more complex loop to handle positional parameters. */
do_positional:
@ -1289,8 +1287,8 @@ do_positional:
of chars. */
if (function_done < 0)
{
funlockfile (s);
return -1;
done = -1;
goto all_done;
}
done += function_done;
@ -1305,8 +1303,9 @@ do_positional:
}
}
all_done:
/* Unlock the stream. */
funlockfile (s);
__libc_cleanup_region_end (1);
return done;
}

View File

@ -79,6 +79,10 @@ Cambridge, MA 02139, USA. */
return EOF; \
} \
} while (0)
# define LOCK_STREAM(S) \
__libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, (S)); \
_IO_flockfile (S)
# define UNLOCK_STREAM __libc_cleanup_region_end (1)
#else
# define ungetc(c, s) (--read_in, ungetc (c, s))
# define inchar() ((c = getc (s)), (void) ++read_in, c)
@ -105,8 +109,18 @@ Cambridge, MA 02139, USA. */
return EOF; \
} \
} while (0)
#if 1
/* XXX For now !!! */
# define flockfile(S) /* nothing */
# define funlockfile(S) /* nothing */
# define LOCK_STREAM(S)
# define UNLOCK_STREAM
#else
# define LOCK_STREAM(S) \
__libc_cleanup_region_start (&__funlockfile, (S)); \
__flockfile (S)
# define UNLOCK_STREAM __libc_cleanup_region_start (1)
#endif
#endif
@ -194,7 +208,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
thousands = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
/* Lock the stream. */
flockfile (s);
LOCK_STREAM (s);
/* Run through the format string. */
while (*f != '\0')
@ -441,6 +455,10 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
else
while (--width > 0 && inchar () != EOF);
if (width > 0)
/* I.e., EOF was read. */
--read_in;
if (!(flags & SUPPRESS))
++done;
@ -842,7 +860,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
}
/* Unlock stream. */
funlockfile (s);
UNLOCK_STREAM;
return done;
}

View File

@ -21,6 +21,7 @@ Cambridge, MA 02139, USA. */
.text
.align 3
.globl _start
.ent _start, 0
_start:
.frame fp, 0, zero

View File

@ -83,5 +83,8 @@ typedef unsigned long __fd_mask;
#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
#ifdef __USE_SVID
typedef long int key_t;
#endif
#endif /* gnu/types.h */

View File

@ -55,5 +55,62 @@ __profile_frequency ()
return 0;
return (1000000 / tim.it_interval.tv_usec);
}
/* Return frequency of ticks reported by profil. Generic version. */
/*-
* Copyright (c) 1983, 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/time.h>
int
__profile_frequency ()
{
/*
* Discover the tick frequency of the machine if something goes wrong,
* we return 0, an impossible hertz.
*/
struct itimerval tim;
tim.it_interval.tv_sec = 0;
tim.it_interval.tv_usec = 1;
tim.it_value.tv_sec = 0;
tim.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &tim, 0);
setitimer(ITIMER_REAL, 0, &tim);
if (tim.it_interval.tv_usec < 2)
return 0;
return (1000000 / tim.it_interval.tv_usec);
}

View File

@ -133,7 +133,7 @@ _dl_start_user:\n\
# See if we were run as a command with the executable file\n\
# name as an extra leading argument.\n\
movl _dl_skip_args@GOT(%ebx), %eax\n\
movl (%eax),%eax\n\
movl (%eax), %eax\n\
# Pop the original argument count.\n\
popl %ecx\n\
# Subtract _dl_skip_args from it.\n\
@ -151,7 +151,7 @@ _dl_start_user:\n\
call _dl_init_next@PLT\n\
addl $4, %esp # Pop argument.\n\
# Check for zero return, when out of initializers.\n\
testl %eax,%eax\n\
testl %eax, %eax\n\
jz 1f\n\
# Call the shared object initializer function.\n\
# NOTE: We depend only on the registers (%ebx, %esi and %edi)\n\
@ -164,7 +164,8 @@ _dl_start_user:\n\
# Loop to call _dl_init_next for the next initializer.\n\
jmp 0b\n\
1: # Clear the startup flag.\n\
movl $0, _dl_starting_up@GOT(%ebx)\n\
movl _dl_starting_up@GOT(%ebx), %eax\n\
movl $0, (%eax)\n\
# Pass our finalizer function to the user in %edx, as per ELF ABI.\n\
movl _dl_fini@GOT(%ebx), %edx\n\
# Jump to the user's entry point.\n\

View File

@ -1,2 +1,4 @@
/* __profile_frequency is in sysdeps/mach/hurd/profil.c. This file
is here as a place-holder to prevent the use of sysdeps/generic/prof-freq.c. */
/* __profile_frequency is in sysdeps/mach/hurd/profil.c. This file
is here as a place-holder to prevent the use of sysdeps/generic/prof-freq.c. */

View File

@ -527,8 +527,8 @@ __sysconf (name)
#endif
case _SC_THREAD_DESTRUCTOR_ITERATIONS:
#ifdef PTHREAD_DESTRUCTOR_ITERATIONS
return PTHREAD_DESTRUCTOR_ITERATIONS;
#ifdef _POSIX_THREAD_DESTRUCTOR_ITERATIONS
return _POSIX_THREAD_DESTRUCTOR_ITERATIONS;
#else
return -1;
#endif

View File

@ -48,5 +48,11 @@ Cambridge, MA 02139, USA. */
/* Unlock the named lock variable. */
#define __libc_lock_unlock(NAME)
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(FCT, ARG)
/* End critical region with cleanup. */
#define __libc_cleanup_region_end(DOIT)
#endif /* libc-lock.h */

View File

@ -17,8 +17,7 @@ not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdep.h>
#define _ERRNO_H
#include <errnos.h>
#include <features.h>
.section .bss
.globl errno
@ -30,15 +29,60 @@ errno: .space 4
#endif
.text
LEAF(__syscall_error, 0)
.align 2
#ifdef _LIBC_REENTRANT
.globl __syscall_error
.ent __syscall_error
__syscall_error:
ldgp gp, 0(t12)
lda sp, -16(sp)
.frame sp, 16, ra, 0
stq ra, 0(sp)
stq v0, 8(sp)
.mask 0x4000001, -16
.prologue 1
/* Find our pre-thread errno address */
jsr ra, __errno_location
/* Store the error value. */
ldl t0, 8(sp)
stl t0, 0(v0)
/* And kick back a -1. */
ldi v0, -1
ldq ra, 0(sp)
lda sp, 16(sp)
ret
.end __syscall_error
/* A default non-threaded version of __errno_location that just returns
the address of errno. */
.weak __errno_location
.ent __errno_location
__errno_location:
.frame sp, 0, ra
ldgp gp, 0(t12)
.mask 0, 0
.prologue 1
lda v0, errno
ret
.end __errno_location
#else
ENTRY(__syscall_error)
ldgp gp, 0(t12)
.prologue 1
/* Store return value in errno... */
stl v0, errno
/* And just kick back a -1. */
ldi v0, -1
lda v0, -1
ret
END(__syscall_error)
#endif /* _LIBC_REENTRANT */

View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -36,17 +36,40 @@ syscall_error:
cmpl $EWOULDBLOCK_sys, %eax /* Is it the old EWOULDBLOCK? */
jne notb /* Branch if not. */
movl $EAGAIN, %eax /* Yes; translate it to EAGAIN. */
#endif
notb:
#endif
#ifndef PIC
movl %eax, C_SYMBOL_NAME(errno)
#ifdef _LIBC_REENTRANT
pushl %eax
call __errno_location
popl %ecx
movl %ecx, (%eax)
#endif
#else
/* The caller has pushed %ebx and then set it up to
point to the GOT before calling us through the PLT. */
movl C_SYMBOL_NAME(errno@GOT)(%ebx), %ecx
#ifndef _LIBC_REENTRANT
/* Pop %ebx value saved before jumping here. */
popl %ebx
movl %eax, (%ecx)
#else
movl %eax, (%ecx)
pushl %eax
call C_SYMBOL_NAME(__errno_location@PLT)
popl %ecx
/* Pop %ebx value saved before jumping here. */
popl %ebx
movl %ecx, (%eax)
#endif
#endif
movl $-1, %eax
ret
#ifdef __ELF__
#undef __syscall_error
.Lfe2:
.size __syscall_error, .Lfe2-__syscall_error
#endif

View File

@ -91,7 +91,7 @@ __opendir (const char *name)
dirp->fd = fd;
__libc_lock_init (dirp->lock);
__libc_lock_init (dirp->lock)
return dirp;
}

View File

@ -1 +1,33 @@
/* errnos.h - error constants. Linux specific version.
Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <linux/errno.h>
#ifndef __ASSEMBLER__
#if defined __USE_REENTRANT && (!defined _LIBC || defined _LIBC_REENTRANT)
/* Declare alias of `errno' variable so it is accessible even if macro
with name `errno' is defined. */
extern int __errno;
/* When using threads, errno is a per-thread value. */
extern int *__errno_location __P ((void)) __attribute__ ((__const__));
#define errno (*__errno_location ())
#endif
#endif

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@ -70,4 +70,8 @@ typedef __kernel_clock_t __clock_t;
XPG4 seems to require `unsigned long'. */
typedef unsigned long __fd_mask;
#ifdef __USE_SVID
typedef int key_t;
#endif
#endif /* gnu/types.h */

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@ -1,4 +1,4 @@
/* Copyright (C) 1995 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -27,26 +27,46 @@ Cambridge, MA 02139, USA. */
.globl errno
.type errno,@object
.size errno,4
errno: .space 4
errno: .zero 4
.globl _errno
.type _errno,@object
_errno = errno /* This name is expected by hj libc.so.5 startup code. */
.text
/* The following code is not used at all in the shared library.
The PIC system call stubs set errno themselves. */
/* The following code is only used in the shared library when we
compile the reentrant version. Otherwise each system call defines
each own version. */
#ifndef PIC
#ifndef PIC
/* The syscall stubs jump here when they detect an error.
The code for Linux is almost identical to the canonical Unix/i386
code, except that the error number in %eax is negated. */
.globl __syscall_error
.globl __syscall_error
.type __syscall_error,@function
__syscall_error:
negl %eax
#define __syscall_error __syscall_error_1
#include <sysdeps/unix/i386/sysdep.S>
#endif /* !PIC */
#ifdef _LIBC_REENTRANT
.globl __errno_location
.type __errno_location,@function
__errno_location:
#ifdef PIC
call .L2
.L2: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-.L2], %ecx
movl errno@GOT(%ecx), %eax
#else
movl $errno, %eax
#endif
ret
.Lfe1:
.size __errno_location, .Lfe1-__errno_location
#endif

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@ -45,21 +45,44 @@ Cambridge, MA 02139, USA. */
testl %eax, %eax; \
jl syscall_error;
#ifndef PIC
#ifndef PIC
#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
#else
/* Store (- %eax) into errno through the GOT. */
#ifdef _LIBC_REENTRANT
#define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
syscall_error: \
pushl %ebx; \
call 0f; \
0:popl %ebx; \
xorl %edx, %edx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ebx; \
subl %eax, %edx; \
movl errno@GOT(%ebx), %ecx; \
movl %edx, (%ecx); \
pushl %edx; \
call __errno_location@PLT; \
popl %ecx; \
popl %ebx; \
movl %ecx, (%eax); \
movl $-1, %eax; \
ret;
#else
#define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
syscall_error: \
call 0f; \
0:popl %ecx; \
negl %eax; \
xorl %edx, %edx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ecx; \
subl %eax, %edx; \
movl errno@GOT(%ecx), %ecx; \
movl %eax, (%ecx); \
movl %edx, (%ecx); \
movl $-1, %eax; \
ret;
#endif
#endif /* _LIBC_REENTRANT */
#endif /* PIC */
/* Linux takes system call arguments in registers:

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@ -0,0 +1,51 @@
/* Definitions of constants and data structure for POSIX 1003.1b-1993
scheduling interface.
Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SCHEDBITS_H
#define _SCHEDBITS_H 1
/* Scheduling algorithms. */
#define SCHED_OTHER 0
#define SCHED_FIFO 1
#define SCHED_RR 2
/* Data structure to describe a process' schedulability. */
struct sched_params
{
int sched_priority;
};
/* Cloning flags. */
#define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
#define CLONE_VM 0x00000100 /* Set if VM shared between processes. */
#define CLONE_FS 0x00000200 /* Set if fs info shared between processes.*/
#define CLONE_FILES 0x00000400 /* Set if open files shared between processes*/
#define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */
#define CLONE_PID 0x00001000 /* Set if pid shared. */
/* Clone current process. The parameter list of FN is not for true. Only
dots is not allowed by ISO C and without argument the compiler would
complain about a missing parameter list. */
extern int clone __P ((int (*__fn) (void *, ...), void *__child_stack,
int __flags, int __nargs, ...));
#endif /* schedbits.h */

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@ -0,0 +1,30 @@
/* Definitions of flag bits for `waitpid' et al.
Copyright (C) 1992, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifndef _WAITFLAGS_H
#define _WAITFLAGS_H 1
/* Bits in the third argument to `waitpid'. */
#define WNOHANG 1 /* Don't block waiting. */
#define WUNTRACED 2 /* Report status of stopped children. */
#define __WCLONE 0x80000000 /* Wait for cloned process. */
#endif /* waitflags.h */