glibc/hurd/catch-exc.c
Ulrich Drepper c84142e8fe Update to 2.1.x development version
1997-02-15 02:41  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/argp-help.c: Gettextize sources.
	* argp/argp-parse.c: Likewise.

1997-02-13 22:32  Ulrich Drepper  <drepper@cygnus.com>

	* features.h (__GLIBC_MINOR__): Bump to 1.

	* xlocale.h: New file.  Wrapper around locale/xlocale.h.
	* Makefile (distribute): Add xlocale.h.
	* locale/Makefile (routines): Add ctype_l.
	* locale/ctype-extn.c: Update copyright. De-ANSI-declfy.
	Add __isblank_l, __toascii_l and __isascii_l.
	* ctype/ctype.h: Add definitions and declarations for *_l functions.
	* locale/Makefile (headers): Add xlocale.h.
	(routines): Add newlocale, duplocale, and freelocale.
	* locale/localeinfo.h (MAX_USAGE_COUNT): New macro.
	(struct locale_data): Add new fields mmaped and usage_count.
	Correct various declarations.
	* locale/C-collate.c: Define value for new fields mmaped and
	usage_count.
	* locale/C-ctype.c: Likewise.
	* locale/C-messages.c: Likewise.
	* locale/C-monetary.c: Likewise.
	* locale/C-numeric.c: Likewise.
	* locale/C-time.c: Likewise.
	* locale/loadlocale.c (_nl_load_locale): Initialize mmaped and
	usage_count fields.
	* locale/locale.h: Don't define locale_t here (moved to xlocale.h).
	Correct prototypes for __newlocale and __freelocale.
	Add prototype for __duplocale.
	* locale/findlocale.c (copy): Remove function.  Use __strdup instead.
	(_nl_remove_locale): New function.
	* locale/nl_langinfo.c: Don't declare locale_data objects as const.
	* locale/setlocale.c: Likewise.
	* locale/weight.h: Change for use with locale objects.
	* locale/xlocale.h: New file.  Define __locale_t type.
	* locale/newlocale.c: New file.  Create new locale object.
	* locale/freelocale.c: New file.  Destroy locale object.
	* locale/duplocale.c: New file.  Create copy of locale object.
	* stdlib/Makefile (routines): Add strfmon_l.
	* stdlib/monetary.h [__USE_GNU]: Declare __strfmon_l.
	* stdlib/strfmon.c: Add support for use in extended locale model.
	* stdlib/strfmon_l.c: New file.
	* string/Makefile (routines): Add strcoll_l and strxfrm_l.
	* string/strcoll.c: Change for use in extended locale model.
	* string/strxfrm.c: Likewise.
	* string/strcoll_l.c: New file.  Implement __strcoll_l function.
	* string/strxfrm_l.c: New file.  Implement __strxfrm_l function.
	* wcsmbs/Makefile (routines): Add wcscoll_l and wcsxfrm_l.
	* wcsmbs/wchar.h [__USE_GNU]: Declare wcscoll_l and wcsxfrm_l.
	* wcsmbs/wcscoll.c: Change for use in extended locale model.
	* wcsmbs/wcscoll_l.c: New file.  Implement __wcscoll_l function.
	* wcsmbs/wcsxfrm_l.c: New file.  Implement __wcsxfrm_l function.
	* wctype/Makefile (routines): Add wcextra, wcfuncs_l, iswctype_l,
	and towctrans_l.
	* wctype/cname-lookup.h: Prepare for use in extended locale model.
	* wctype/iswctype_l.c: New file.  Implement character classification
	functions for use with locale objects.
	* wctype/wctype.h: Declare functions for use with locale objects.
	* wctype/towctrans_l.c: New file.  Implement __towctrans_l function
	for use with locale objects.
	* wctype/wcfuncs_l.c: New file.  Implement wide character
	classification functions for use with locale objects.
	* wctype/wcextra.c: New file.  Implement real functions for
	non-standard classification functions.

	* elf/ldd.bash.in: Don't use --data-relocs and --function-relocs
	parameters to ld.so.  Use environment variables.
	* elf/ldd.sh.in: Likewise.
	* elf/rtld.c: Remove handling of --data-relocs and --function-relocs
	options.  Instead read environment variables.

	* elf/link.h (receiver_fct): Add new argument to take error code.
	* elf/dl-error.c (_dl_signal_error): Call receiver function with
	another argument.

	* elf/dl-object.c (_dl_new_object): Create new object with list of
	names in l_libname member.
	* elf/dl-load.c (_dl_map_object_from_fd): Add name which was used to
	find to object to the list in the link_map variable.
	(_dl_map_object): Use _dl_does_name_match_p to compare with all
	available names of the object.
	Optimize handling of LD_LIBRARY_PATH a bit.
	* elf/rtld.c: Initialize l_libname member of _dl_rtld_map.

	* elf/dl-lookup.c (_dl_elf_hash): Optimize function.

	* elf/Makefile (routines): Add dl-version.
	* elf/link.h (hash_name_pair): New type.  Group pointer to string
	and its hash value.
	(struct link_map): Change l_libname member to be a list of names,
	not a single pointer to a name.
	Add new members l_nversions and l_versions.
	(_dl_does_name_match_p): New function to test for all names of an
	object.
	Add prototypes for new lookup and versioning functions.
	* elf/dl-lookup.c (do_lookup): Add new argument and handle case
	when versioned symbol is requested.
	(_dl_lookup_symbol): Call do_lookup with another argument.
	(_dl_lookup_symbol_skip): Likewise.
	(_dl_lookup_versioned_symbol): New function.  Handle lookup of
	versioned symbol.
	(_dl_lookup_versioned_symbol_skip): Likewise, similar to
	_dl_lookup_symbol_skip.
	* elf/dl-reloc.c (RESOLVE): Call _dl_lookup_versioned_symbol or
	_dl_lookup_symbol depending on availability of version information.
	* elf/dl-runtime.c (RESOLVE): Likewise.
	(fixup): Call elf_machine_relplt with additional argument to point
	to versioning information if available.
	* elf/do-rel.h (elf_dynamic_do_rel): Likewise.
	* elf/dl-open.c (_dl_open): Call _dl_check_map_versions to check
	for correct versions.
	* elf/dl-version.c: New file.  Check library versions and extract
	version information for easier access.
	* elf/dlfcn.h [__USE_GNU]: Add prototype for dlvsym.
	* elf/dlvsym.c: New file.  Implementation of function similar to
	dlsym, but looks for versioned symbol.
	* elf/elf.h: Add types and macros for versioning.
	* elf/rtld.c (dl_main): Check availability of needed versions.
	* sysdeps/alpha/dl-machine.h (elf_machine_rela): Add additional
	argument for version information.  Call RESOLVE with additional
	argument.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/m68k/dl-machine.h: Likewise.
	* sysdeps/mips/dl-machine.h: Likewise.

	* elf/dlerror.c: Change comment to align with guidelines.
	* elf/dlopen.c: Likewise.
	* elf/dlsym.c: Likewise.

	* locale/programs/localedef.c: Implement --quiet option.
	* locale/programs/charset.h: Declare be_quiet variable.
	* locale/programs/locfile.h: Likewise.
	* locale/programs/charmap.c: Don't print warnings if quiet option
	was given.
	* locale/programs/ld-collate.c: Likewise.
	* locale/programs/ld-ctype.c: Likewise.
	* locale/programs/ld-messages.c: Likewise.
	* locale/programs/ld-monetary.c: Likewise.
	* locale/programs/ld-numeric.c: Likewise.
	* locale/programs/ld-time.c: Likewise.
	* locale/programs/locfile.c: Likewise.

	* Makefile (subdirs): Add argp.

	* catgets/catgets.c (catopen): Little code improvement.

	* posix/execl.c: Remove restriction to 1024 arguments.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.

	* posix/getopt.c [_LIBC]: Define global objects with __ prefix
	and make regular names weak aliases.
	* posix/getopt1.c: Likewise.
	* posix/getopt.h [_LIBC]: Provide prototypes and declarations for
	__ protected forms.

	* posix/unistd.h: Add prototype for __sleep.
	* sysdeps/mach/sleep.c: Make sleep weak alias of __sleep.
	* sysdeps/posix/sleep.c: Likewise.
	* sysdeps/stub/sleep.c: Likewise.
	* sysdeps/unix/sysv/linux/sleep.c: Likewise.

	* ctype/ctype-info.c: Update copyright.
	* ctype/ctype.c: Likewise.
	* ctype/test_ctype.c: Likewise.
	* dirent/alphasort.c: Likewise.
	* dirent/list.c: Likewise.
	* gmon/bb_exit_func.c: Likewise.
	* grp/fgetgrent.c: Likewise.
	* grp/getgrent.c: Likewise.
	* grp/getgrent_r.c: Likewise.
	* grp/getgrgid.c: Likewise.
	* grp/getgrgid_r.c: Likewise.
	* grp/getgrnam.c: Likewise.
	* grp/getgrnam_r.c: Likewise.
	* hurd/alloc-fd.c: Likewise.
	* hurd/catch-exc.c: Likewise.
	* hurd/ctty-input.c: Likewise.
	* hurd/ctty-output.c: Likewise.
	* hurd/dtable.c: Likewise.
	* hurd/fchroot.c: Likewise.
	* hurd/fd-close.c: Likewise.
	* hurd/fd-read.c: Likewise.
	* hurd/fd-write.c: Likewise.
	* hurd/fopenport.c: Likewise.
	* hurd/get-host.c: Likewise.
	* hurd/getdport.c: Likewise.
	* hurd/getuids.c: Likewise.
	* hurd/getumask.c: Likewise.
	* hurd/hurd-raise.c: Likewise.
	* hurd/hurd.h: Likewise.
	* hurd/hurdauth.c: Likewise.
	* hurd/hurdexec.c: Likewise.
	* hurd/hurdhost.h: Likewise.
	* hurd/hurdid.c: Likewise.
	* hurd/hurdinit.c: Likewise.
	* hurd/hurdioctl.c: Likewise.
	* hurd/hurdkill.c: Likewise.
	* hurd/hurdlookup.c: Likewise.
	* hurd/hurdmsg.c: Likewise.
	* hurd/hurdpid.c: Likewise.
	* hurd/hurdports.c: Likewise.
	* hurd/hurdprio.c: Likewise.
	* hurd/hurdrlimit.c: Likewise.
	* hurd/hurdsock.c: Likewise.
	* hurd/hurdstartup.c: Likewise.
	* hurd/hurdstartup.h: Likewise.
	* hurd/intern-fd.c: Likewise.
	* hurd/intr-msg.c: Likewise.
	* hurd/intr-rpc.defs: Likewise.
	* hurd/intr-rpc.h: Likewise.
	* hurd/msgportdemux.c: Likewise.
	* hurd/new-fd.c: Likewise.
	* hurd/openport.c: Likewise.
	* hurd/pid2task.c: Likewise.
	* hurd/port-cleanup.c: Likewise.
	* hurd/port2fd.c: Likewise.
	* hurd/ports-get.c: Likewise.
	* hurd/ports-set.c: Likewise.
	* hurd/privports.c: Likewise.
	* hurd/report-wait.c: Likewise.
	* hurd/set-host.c: Likewise.
	* hurd/setauth.c: Likewise.
	* hurd/setuids.c: Likewise.
	* hurd/siginfo.c: Likewise.
	* hurd/sigunwind.c: Likewise.
	* hurd/task2pid.c: Likewise.
	* hurd/thread-cancel.c: Likewise.
	* hurd/thread-self.c: Likewise.
	* hurd/vpprintf.c: Likewise.
	* hurd/hurd/fd.h: Likewise.
	* hurd/hurd/id.h: Likewise.
	* hurd/hurd/ioctl.h: Likewise.
	* hurd/hurd/lookup.h: Likewise.
	* hurd/hurd/port.h: Likewise.
	* hurd/hurd/resource.h: Likewise.
	* hurd/hurd/threadvar.h: Likewise.
	* hurd/hurd/userlink.h: Likewise.
	* inet/ether_aton.c: Likewise.
	* inet/ether_aton_r.c: Likewise.
	* inet/ether_ntoa.c: Likewise.
	* inet/ether_ntoa_r.c: Likewise.
	* inet/gethstbyad.c: Likewise.
	* inet/gethstbyad_r.c: Likewise.
	* inet/gethstent.c: Likewise.
	* inet/getnetbyad.c: Likewise.
	* inet/getnetbyad_r.c: Likewise.
	* inet/getnetbynm.c: Likewise.
	* inet/getnetbynm_r.c: Likewise.
	* inet/getnetent.c: Likewise.
	* inet/getnetent_r.c: Likewise.
	* inet/getproto.c: Likewise.
	* inet/getproto_r.c: Likewise.
	* inet/getprtent.c: Likewise.
	* inet/getprtent_r.c: Likewise.
	* inet/getprtname.c: Likewise.
	* inet/getrpcbyname.c: Likewise.
	* inet/getrpcbyname_r.c: Likewise.
	* inet/getrpcbynumber.c: Likewise.
	* inet/getrpcbynumber_r.c: Likewise.
	* inet/getrpcent.c: Likewise.
	* inet/getrpcent_r.c: Likewise.
	* inet/getservent.c: Likewise.
	* inet/getservent_r.c: Likewise.
	* inet/getsrvbynm.c: Likewise.
	* inet/getsrvbynm_r.c: Likewise.
	* inet/getsrvbypt.c: Likewise.
	* inet/getsrvbypt_r.c: Likewise.
	* inet/herrno.c: Likewise.
	* inet/netgroup.h: Likewise.
	* ient/netinet/ether.h: Likewise.
	* intl/bindtextdom.c: Likewise.
	* intl/dcgettext.c: Likewise.
	* intl/dgettext.c: Likewise.
	* intl/gettext.c: Likewise.
	* intl/gettext.h: Likewise.
	* intl/gettextP.h: Likewise.
	* intl/hash-string.h: Likewise.
	* intl/loadmsgcat.c: Likewise.
	* intl/localealias.c: Likewise.
	* intl/textdomain.c: Likewise.
	* io/creat.c: Likewise.
	* io/getdirname.c: Likewise.
	* io/lockf.c: Likewise.
	* io/pwd.c: Likewise.
	* io/test-utime.c: Likewise.
	* locale/categories.def: Likewise.
	* locale/codeset_name.c: Likewise.
	* locale/lc-collate.c: Likewise.
	* locale/lc-ctype.c: Likewise.
	* locale/lc-messages.c: Likewise.
	* locale/lc-monetary.c: Likewise.
	* locale/lc-numeric.c: Likewise.
	* locale/lc-time.c: Likewise.
	* locale/loadlocale.c: Likewise.
	* locale/localeconv.c: Likewise.
	* locale/nl_langinfo.c: Likewise.
	* locale/setlocale.c: Likewise.
	* locale/strlen-hash.h: Likewise.
	* locale/programs/charmap-kw.gperf: Likewise.
	* locale/programs/charmap-kw.h: Likewise.
	* locale/programs/charset.c: Likewise.
	* locale/programs/ld-ctype.c: Likewise.
	* locale/programs/ld-messages.c: Likewise.
	* locale/programs/ld-monetary.c: Likewise.
	* locale/programs/linereader.h: Likewise.
	* locale/programs/locale-spec.c: Likewise.
	* locale/programs/locales.h: Likewise.
	* locale/programs/locfile-kw.gperf: Likewise.
	* locale/programs/locfile-kw.h: Likewise.
	* locale/programs/locfile-token.h: Likewise.
	* locale/programs/simple-hash.h: Likewise.
	* locale/programs/stringtrans.c: Likewise.
	* locale/programs/stringtrans.h: Likewise.
	* login/logout.c: Likewise.
	* mach/bootprivport.c: Likewise.
	* mach/devstream.c: Likewise.
	* mach/hello.c: Likewise.
	* mach/mach.h: Likewise.
	* mach/mach_init.c: Likewise.
	* mach/mach_init.h: Likewise.
	* mach/mig-alloc.c: Likewise.
	* mach/mig-dealloc.c: Likewise.
	* mach/mutex-init.c: Likewise.
	* mach/mutex-solid.c: Likewise.
	* mach/setup-thread.c: Likewise.
	* mach/spin-lock.h: Likewise.
	* mach/spin-solid.c: Likewise.
	* mach/mach/mig_support.h: Likewise.
	* md5-crypt/md5-crypt.c: Likewise.
	* misc/nlist.h: Likewise.
	* nss/nss_files/files-ether.c: Likewise.
	* posix/confstr.c: Likewise.
	* posix/execl.c: Likewise.
	* posix/execle.c: Likewise.
	* posix/execlp.c: Likewise.
	* posix/execv.c: Likewise.
	* posix/execvp.c: Likewise.
	* posix/fnmatch.c: Likewise.
	* posix/getopt.c: Likewise.
	* posix/getopt.h: Likewise.
	* posix/getopt1.c: Likewise.
	* posix/id.c: Likewise.
	* posix/regex.c: Likewise.
	* posix/setpgrp.c: Likewise.
	* posix/unistd.h: Likewise.
	* posix/wordexp.c: Likewise.
	* pwd/fgetpwent.c: Likewise.
	* pwd/getpwent.c: Likewise.
	* pwd/getpwent_r.c: Likewise.
	* pwd/getpwnam.c: Likewise.
	* pwd/getpwnam_r.c: Likewise.
	* pwd/getpwuid.c: Likewise.
	* pwd/getpwuid_r.c: Likewise.
	* pwd/putpwent.c: Likewise.
	* resolv/gethnamaddr.c: Likewise.
	* resolv/res_hconf.c: Likewise.
	* resolv/res_hconf.h: Likewise.
	* setjmp/longjmp.c: Likewise.
	* setjmp/sigjmp.c: Likewise.
	* setjmp/tst-setjmp.c: Likewise.
	* stdio/clearerr.c: Likewise.
	* stdio/ferror.c: Likewise.
	* stdio/fgetc.c: Likewise.
	* stdio/fgetpos.c: Likewise.
	* stdio/fgets.c: Likewise.
	* stdio/fileno.c: Likewise.
	* stdio/fmemopen.c: Likewise.
	* stdio/fopen.c: Likewise.
	* stdio/fopncook.c: Likewise.
	* stdio/fputc.c: Likewise.
	* stdio/fputs.c: Likewise.
	* stdio/fread.c: Likewise.
	* stdio/freopen.c: Likewise.
	* stdio/fseek.c: Likewise.
	* stdio/fsetpos.c: Likewise.
	* stdio/ftell.c: Likewise.
	* stdio/fwrite.c: Likewise.
	* stdio/getchar.c: Likewise.
	* stdio/getdelim.c: Likewise.
	* stdio/gets.c: Likewise.
	* stdio/glue.c: Likewise.
	* stdio/internals.c: Likewise.
	* stdio/linewrap.c: Likewise.
	* stdio/linewrap.h: Likewise.
	* stdio/memstream.c: Likewise.
	* stdio/newstream.c: Likewise.
	* stdio/putchar.c: Likewise.
	* stdio/puts.c: Likewise.
	* stdio/rewind.c: Likewise.
	* stdio/setbuf.c: Likewise.
	* stdio/setbuffer.c: Likewise.
	* stdio/setlinebuf.c: Likewise.
	* stdio/setvbuf.c: Likewise.
	* stdio/ungetc.c: Likewise.
	* stdio/vasprintf.c: Likewise.
	* stdio/vscanf.c: Likewise.
	* stdio/vsnprintf.c: Likewise.
	* stdio/vsprintf.c: Likewise.
	* stdio/vsscanf.c: Likewise.
	* stdio-common/asprintf.c: Likewise.
	* stdio-common/dprintf.c: Likewise.
	* stdio-common/errnobug.c: Likewise.
	* stdio-common/fprintf.c: Likewise.
	* stdio-common/getline.c: Likewise.
	* stdio-common/getw.c: Likewise.
	* stdio-common/perror.c: Likewise.
	* stdio-common/psignal.c: Likewise.
	* stdio-common/putw.c: Likewise.
	* stdio-common/reg-printf.c: Likewise.
	* stdio-common/scanf.c: Likewise.
	* stdio-common/snprintf.c: Likewise.
	* stdio-common/sprintf.c: Likewise.
	* stdio-common/tempnam.c: Likewise.
	* stdio-common/test_rdwr.c: Likewise.
	* stdio-common/tst-fileno.c: Likewise.
	* stdio-common/tst-printf.c: Likewise.
	* stdio-common/tstgetln.c: Likewise.
	* stdio-common/vprintf.c: Likewise.
	* stdlib/drand48.c: Likewise.
	* stdlib/drand48_r.c: Likewise.
	* stdlib/erand48.c: Likewise.
	* stdlib/erand48_r.c: Likewise.
	* stdlib/exit.h: Likewise.
	* stdlib/strtoq.c: Likewise.
	* stdlib/strtoul.c: Likewise.
	* stdlib/strtouq.c: Likewise.
	* stdlib/test-canon.c: Likewise.
	* stdlib/testdiv.c: Likewise.
	* stdlib/testrand.c: Likewise.
	* string/argz-append.c: Likewise.
	* string/argz-count.c: Likewise.
	* string/argz-create.c: Likewise.
	* string/argz-ctsep.c: Likewise.
	* string/argz-delete.c: Likewise.
	* string/argz-extract.c: Likewise.
	* string/argz-insert.c: Likewise.
	* string/argz-next.c: Likewise.
	* string/argz-stringify.c: Likewise.
	* string/basename.c: Likewise.
	* string/envz.c: Likewise.
	* string/memfrob.c: Likewise.
	* string/strcoll.c: Likewise.
	* string/strdup.c: Likewise.
	* string/string.h: Likewise.
	* string/strndup.c: Likewise.
	* string/strnlen.c: Likewise.
	* string/strsignal.c: Likewise.
	* string/strxfrm.c: Likewise.
	* string/test-ffs.c: Likewise.
	* string/testcopy.c: Likewise.
	* sysdeps/generic/enbl-secure.c: Likewise.
	* sysdeps/generic/memcopy.h: Likewise.
	* sysdeps/generic/stpncpy.c: Likewise.
	* sysdeps/generic/strcasecmp.c: Likewise.
	* sysdeps/generic/strcat.c: Likewise.
	* sysdeps/generic/strchr.c: Likewise.
	* sysdeps/generic/strcpy.c: Likewise.
	* sysdeps/generic/strcspn.c: Likewise.
	* sysdeps/generic/strlen.c: Likewise.
	* sysdeps/generic/strncase.c: Likewise.
	* sysdeps/generic/strncat.c: Likewise.
	* sysdeps/generic/strncpy.c: Likewise.
	* sysdeps/generic/strpbrk.c: Likewise.
	* sysdeps/generic/strsep.c: Likewise.
	* sysdeps/generic/strspn.c: Likewise.
	* sysdeps/generic/strstr.c: Likewise.
	* sysdeps/generic/strtok.c: Likewise.
	* sysdeps/generic/strtok_r.c: Likewise.
	* sysdeps/mach/sleep.c: Likewise.
	* sysdeps/posix/sleep.c: Likewise.
	* sysdeps/stub/sleep.c: Likewise.
	* time/date.c: Likewise.
	* time/test_time.c: Likewise.
	* wcsmbs/wmemcpy.c: Likewise.
	* wctye/test_wctype.c: Likewise.
	* wctye/towctrans.c: Likewise.
	* wctye/wcfuncs.c: Likewise.
	* wctye/wctrans.c: Likewise.

1997-02-13 22:15  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp/Makefile: New file.
	* argp/argp.h: Likewise.
	* argp/argp-ba.c: Likewise.
	* argp/argp-fmtstream.c: Likewise.
	* argp/argp-fmtstream.h: Likewise.
	* argp/argp-fs-xinl.c: Likewise.
	* argp/argp-help.c: Likewise.
	* argp/argp-namefrob.h: Likewise.
	* argp/argp-parse.c: Likewise.
	* argp/argp-pv.c: Likewise.
	* argp/argp-pvh.c: Likewise.
	* argp/argp-test.c: Likewise.
	* argp/argp-xinl.c: Likewise.

	* libio/_G_config.h: Make sure wint_t is also defined for old gcc
1997-02-09 04:35  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/_itoa.h: Update copyright.
1997-02-15 04:31:36 +00:00

82 lines
2.6 KiB
C

/* Copyright (C) 1994, 1995, 1996, 1997 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 <mach/exc_server.h>
#include <hurd/signal.h>
/* Called by the microkernel when a thread gets an exception. */
kern_return_t
_S_catch_exception_raise (mach_port_t port,
thread_t thread,
task_t task,
int exception,
int code,
int subcode)
{
struct hurd_sigstate *ss;
int signo;
struct hurd_signal_detail d;
if (task != __mach_task_self ())
/* The sender wasn't the kernel. */
return EPERM;
d.exc = exception;
d.exc_code = code;
d.exc_subcode = subcode;
/* Call the machine-dependent function to translate the Mach exception
codes into a signal number and subcode. */
_hurd_exception2signal (&d, &signo);
/* Find the sigstate structure for the faulting thread. */
__mutex_lock (&_hurd_siglock);
for (ss = _hurd_sigstates; ss != NULL; ss = ss->next)
if (ss->thread == thread)
break;
__mutex_unlock (&_hurd_siglock);
if (ss == NULL)
ss = _hurd_thread_sigstate (thread); /* Allocate a fresh one. */
if (__spin_lock_locked (&ss->lock))
{
/* Loser. The thread faulted with its sigstate lock held. Its
sigstate data is now suspect. So we reset the parts of it which
could cause trouble for the signal thread. Anything else
clobbered therein will just hose this user thread, but it's
faulting already.
This is almost certainly a library bug: unless random memory
clobberation caused the sigstate lock to gratuitously appear held,
no code should do anything that can fault while holding the
sigstate lock. */
__spin_unlock (&ss->critical_section_lock);
ss->context = NULL;
__spin_unlock (&ss->lock);
}
/* Post the signal. */
_hurd_internal_post_signal (ss, signo, &d,
MACH_PORT_NULL, MACH_MSG_TYPE_PORT_SEND,
0);
return KERN_SUCCESS;
}