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Mon Aug 7 14:04:36 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

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* sysdeps/generic/sysd-stdio.c (__stdio_reopen): Return failure
 	when __stdio_open fails with a code other than ENFILE or EMFILE.

	* csu/initfini.c (SECTION): New macro, different definitions for
 	#ifdef HAVE_ELF and not.
	(_init, _fini): Use that macro.
	* config.make.in (have-initfini): New variable, set by configure.
	* conf/portability.h (NEED_INETADDR, NEED_INETATON): New macros.
This commit is contained in:
Roland McGrath 1995-08-07 18:24:47 +00:00
parent 5e98d83c10
commit 99a9e88e55
5 changed files with 35 additions and 5 deletions
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10
ChangeLog
View File

@ -1,3 +1,8 @@
Mon Aug 7 14:04:36 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/generic/sysd-stdio.c (__stdio_reopen): Return failure
when __stdio_open fails with a code other than ENFILE or EMFILE.
Fri Aug 4 16:01:59 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* Makefile (headers): Added gnu-versions.h.
@ -30,6 +35,9 @@ Wed Jul 26 02:00:29 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
[$(have-initfini)=yes]: Test this rather than $(elf) for crtstuff.
[start-installed-name-rule]: If this is defined, elide rule for
$(objpfx)$(start-installed-name).
* csu/initfini.c (SECTION): New macro, different definitions for
#ifdef HAVE_ELF and not.
(_init, _fini): Use that macro.
* sysdeps/unix/sysv/sco3.2.4/Makefile [$(subdir)=csu]
(start-installed-rule, start-installed-name-rule): New variables;
specify crt1.o, created by our own rule.
@ -42,6 +50,7 @@ Wed Jul 26 02:00:29 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* munch-tmpl.c [HAVE_INITFINI]: Call _init and atexit (_fini) in
this case rather than #ifdef HAVE_ELF.
* config.h.in (HAVE_INITFINI): New macro.
* config.make.in (have-initfini): New variable, set by configure.
* stdio/vfscanf.c (conv_error): Simplify expression to avoid
"value computed is not used" warning.
@ -78,6 +87,7 @@ Wed Jul 26 02:00:29 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* inet/netdb.h: Incorporated from BIND 4.9.3-BETA24 release.
[__GNU_LIBRARY__]: Include <rpc/netdb.h> instead of repeating
its declarations (and doing so only #ifdef sun!).
* conf/portability.h (NEED_INETADDR, NEED_INETATON): New macros.
* posix/sys/types.h [__USE_BSD] (__BIT_TYPES_DEFINED__): New macro.
[__USE_BSD] [__GNUC__] (int64_t, u_int64_t, register_t): New typedefs.

6
conf/portability.h
View File

@ -18,3 +18,9 @@
#ifdef sun. */
#undef sun
/* The source code copied from BIND for inet_addr/inet_aton
doesn't actually define the functions without these macros. */
#define NEED_INETADDR
#define NEED_INETATON

6
config.make.in
View File

@ -14,11 +14,13 @@ config-sysdirs = @sysnames@
config-defines = @DEFS@
elf = @elf@
weak-symbols = @weak@
have-initfini = @libc_cv_have_initfini@
# Configuration options.
gnu-as = @gnu_as@
gnu-ld = @gnu_ld@
elf = @elf@
weak-symbols = @weak@
build-shared = @shared@
build-profile = @profile@
build-omitfp = @omitfp@

14
csu/initfini.c
View File

@ -34,12 +34,22 @@ Cambridge, MA 02139, USA. */
#include <stdlib.h>
#ifdef HAVE_ELF
/* These declarations make the functions go in the right sections when
we define them below. GCC syntax does not allow the attribute
specifications to be in the function definitions themselves. */
void _init (void) __attribute__ ((section (".init")));
void _fini (void) __attribute__ ((section (".fini")));
#define SECTION(x) /* Put nothing extra before the defn. */
#else
/* Some non-ELF systems support .init and .fini sections,
but the __attribute__ syntax only works for ELF. */
#define SECTION(x) asm (".section " x);
#endif
/* End the here document containing the initial common code.
Then move the output file crtcommon.tmp to crti.s-new and crtn.s-new. */
asm ("\nEOF_common\n\
@ -48,10 +58,10 @@ cp -f crti.s-new crtn.s-new");
/* Append the .init prologue to crti.s-new. */
asm ("cat >> crti.s-new <<\\EOF.crti.init");
SECTION (".init")
void
_init (void)
{
(void) &_init; /* Don't optimize out the function! */
/* End the here document containing the .init prologue code.
Then fetch the .section directive just written and append that
to crtn.s-new, followed by the function epilogue. */
@ -67,10 +77,10 @@ asm ("\nEOF.crtn.init\
\n\
cat >> crti.s-new <<\\EOF.crti.fini");
SECTION (".fini")
void
_fini (void)
{
(void) &_fini; /* Don't optimize out the function! */
/* End the here document containing the .fini prologue code.
Then fetch the .section directive just written and append that
to crtn.s-new, followed by the function epilogue. */

4
sysdeps/generic/sysd-stdio.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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
@ -174,6 +174,8 @@ DEFUN(__stdio_reopen, (filename, m, cookieptr),
if (__stdio_open (filename, m, &newcookie))
return -1;
}
else
return -1;
}
if (newcookie != *cookieptr)