+2002-07-19 Ulrich Drepper <drepper@redhat.com>
+
+ * configure.in: Add test for __thread support in compiler.
+ * config.h.in: Add HAVE___THREAD.
+ * Makefile (headers): Remove errno.h, sys/errno.h, and bits/errno.h.
+ * include/sys/errno.h: Moved to...
+ * stdlib/sys/errno.h: ...here. New file.
+ * stdlib/errno.h: New file. Moved from...
+ * include/errno.h: ...here. Changed into an internal header defining
+ libc-local things like __set_errno.
+ * stdlib/Makefile (headers): Add errno.h, sys/errno.h, and
+ bits/errno.h.
+ * elf/dl-minimal.c: Include <tls.h>. Define errno as thread-local
+ variable if USE_TLS && HAVE___THREAD. Don't define __errno_location
+ either.
+ * elf/rtld.c (_dl_start): Add code to initialize TLS for ld.so
+ from...
+ (_dl_start_final): ...here. Add code to initialize tls elements from
+ bootstrap_map.
+ * sysdeps/generic/errno-loc.c: Define errno as thread-local variable
+ if USE_TLS && HAVE___THREAD.
+ * sysdeps/generic/bits/errno.h: Remove __set_errno definition.
+ * sysdeps/mach/hurd/bits/errno.h: Likewise.
+ * sysdeps/standalone/arm/bits/errno.h: Likewise.
+ * sysdeps/standalone/bits/errno.h: Likewise.
+ * sysdeps/unix/bsd/bsd4.4/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/aix/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/hpux/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/linux/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/linux/hppa/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/linux/mips/bits/errno.h: Likewise.
+ * sysdeps/unix/sysv/sysv4/solaris2/bits/errno.h: Likewise.
+ * sysdeps/i386/dl-machine.c (elf_machine_rel) [RTLD_BOOTSTRAP]: Don't
+ use GL(dl_rtld_map), use map parameter.
+ * sysdeps/sh/dl-machine.h (elf_machine_rela): Likewise.
+ * sysdeps/unix/sysv/linux/i386/sysdep.S: Define errno in .tbss if
+ USE_TLS && HAVE___THREAD.
+ * sysdeps/unix/sysv/linux/i386/sysdep.h: Unify SETUP_PIC_REG
+ definitions. If USE_TLS && HAVE___THREAD store errooor value using
+ TLS code sequence.
+ * sysdeps/unix/sysv/linux/i386/i686/sysdep.h: Likewise.
+
+ * sysdeps/unix/sysv/linux/getcwd.c: No real need to restore errno.
+ * sysdeps/unix/sysv/linux/grantpt.c: Likewise.
+ * sysdeps/unix/sysv/linux/internal_statvfs.c: Likewise.
+ * sysdeps/unix/sysv/linux/msgctl.c: Likewise.
+ * sysdeps/unix/sysv/linux/readv.c: Likewise.
+ * sysdeps/unix/sysv/linux/writev.c: Likewise.
+
2002-07-17 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ia64/bits/mman.h: Fix MS_SYNC and
subdir_testclean \
$(addprefix install-, no-libc.a bin lib data headers others)
\f
-headers := errno.h sys/errno.h bits/errno.h limits.h values.h \
- features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \
- gnu/libc-version.h
+headers := limits.h values.h features.h gnu-versions.h bits/libc-lock.h \
+ bits/xopen_lim.h gnu/libc-version.h
echo-headers: subdir_echo-headers
# define Exxxx XXX
...
#endif
-
-#define __set_errno(val) errno = (val)
/* Define if the compiler supports __builtin_memset. */
#undef HAVE_BUILTIN_MEMSET
+/* Define if the __thread keyword is supported. */
+#undef HAVE___THREAD
+
/* Define if the regparm attribute shall be used for local functions
(gcc on ix86 only). */
#undef USE_REGPARMS
fi
+echo $ac_n "checking for __thread""... $ac_c" 1>&6
+echo "configure:3545: checking for __thread" >&5
+if eval "test \"`echo '$''{'libc_cv_gcc___thread'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.c <<EOF
+__thread int a = 42;
+EOF
+if { ac_try='${CC-cc} $CFLAGS -c conftest.c >&5'; { (eval echo configure:3552: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+ libc_cv_gcc___thread=yes
+else
+ libc_cv_gcc___thread=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$libc_cv_gcc___thread" 1>&6
+if test "$libc_cv_gcc___thread" = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE___THREAD 1
+EOF
+
+fi
+
+
echo $ac_n "checking for libgd""... $ac_c" 1>&6
-echo "configure:3545: checking for libgd" >&5
+echo "configure:3570: checking for libgd" >&5
if test "$with_gd" != "no"; then
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $libgd_include"
old_LIBS="$LIBS"
LIBS="$LIBS -lgd -lpng -lz -lm"
cat > conftest.$ac_ext <<EOF
-#line 3554 "configure"
+#line 3579 "configure"
#include "confdefs.h"
#include <gd.h>
int main() {
gdImagePng (0, 0)
; return 0; }
EOF
-if { (eval echo configure:3561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3586: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
LIBGD=yes
else
echo $ac_n "checking size of long double""... $ac_c" 1>&6
-echo "configure:3581: checking size of long double" >&5
+echo "configure:3606: checking size of long double" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_sizeof_long_double=0
else
cat > conftest.$ac_ext <<EOF
-#line 3589 "configure"
+#line 3614 "configure"
#include "confdefs.h"
#include <stdio.h>
int main()
return(0);
}
EOF
-if { (eval echo configure:3600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3625: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_sizeof_long_double=`cat conftestval`
else
fi
echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
-echo "configure:3678: checking OS release for uname" >&5
+echo "configure:3703: checking OS release for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
uname_release="$libc_cv_uname_release"
echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
-echo "configure:3700: checking OS version for uname" >&5
+echo "configure:3725: checking OS version for uname" >&5
if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Test for old glibc 2.0.x headers so that they can be removed properly
# Search only in includedir.
echo $ac_n "checking for old glibc 2.0.x headers""... $ac_c" 1>&6
-echo "configure:3729: checking for old glibc 2.0.x headers" >&5
+echo "configure:3754: checking for old glibc 2.0.x headers" >&5
if eval test -f "${includedir}/elfclass.h" -a -f "${includedir}/fcntlbits.h"
then
old_glibc_headers=yes
fi
echo $ac_n "checking whether -fPIC is default""... $ac_c" 1>&6
-echo "configure:3790: checking whether -fPIC is default" >&5
+echo "configure:3815: checking whether -fPIC is default" >&5
if eval "test \"`echo '$''{'pic_default'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
AC_DEFINE(HAVE_SUBTRACT_LOCAL_LABELS)
fi
+dnl Check whether the compiler supports the __thread keyword.
+AC_CACHE_CHECK([for __thread], libc_cv_gcc___thread,
+[cat > conftest.c <<EOF
+__thread int a = 42;
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -c conftest.c >&AC_FD_CC]); then
+ libc_cv_gcc___thread=yes
+else
+ libc_cv_gcc___thread=no
+fi
+rm -f conftest*])
+if test "$libc_cv_gcc___thread" = yes; then
+ AC_DEFINE(HAVE___THREAD)
+fi
+
+
dnl Check whether we have the gd library available.
AC_MSG_CHECKING(for libgd)
if test "$with_gd" != "no"; then
#include <errno.h>
#include <limits.h>
#include <string.h>
+#include <tls.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/param.h>
= "0123456789abcdef";
+
#undef errno
/* The 'errno' in ld.so is not exported. */
+#if USE_TLS && HAVE___THREAD
+extern __thread int errno attribute_hidden;
+#else
extern int errno attribute_hidden;
int *
{
return &errno;
}
+#endif
{
struct link_map bootstrap_map;
hp_timing_t start_time;
-#ifndef HAVE_BUILTIN_MEMSET
+#if !defined HAVE_BUILTIN_MEMSET || defined USE_TLS
size_t cnt;
#endif
+#ifdef USE_TLS
+ ElfW(Ehdr) *ehdr;
+ ElfW(Phdr) *phdr;
+ dtv_t initdtv[3];
+#endif
/* This #define produces dynamic linking inline functions for
bootstrap relocation instead of general-purpose relocation. */
bootstrap_map.l_ld = (void *) bootstrap_map.l_addr + elf_machine_dynamic ();
elf_get_dynamic_info (&bootstrap_map);
+#if USE_TLS
+# ifndef HAVE___THREAD
+ /* Signal that we have not found TLS data so far. */
+ bootstrap_map.l_tls_modid = 0;
+# endif
+
+ /* Get the dynamic linkers program header. */
+ ehdr = (ElfW(Ehdr) *) bootstrap_map.l_addr;
+ phdr = (ElfW(Phdr) *) (bootstrap_map.l_addr + ehdr->e_phoff);
+ for (cnt = 0; cnt < ehdr->e_phnum; ++cnt)
+ if (phdr[cnt].p_type == PT_TLS)
+ {
+ void *tlsblock;
+ size_t max_align = MAX (TLS_INIT_TCB_ALIGN, phdr[cnt].p_align);
+
+ bootstrap_map.l_tls_blocksize = phdr[cnt].p_memsz;
+ bootstrap_map.l_tls_align = phdr[cnt].p_align;
+ assert (bootstrap_map.l_tls_blocksize != 0);
+ bootstrap_map.l_tls_initimage_size = phdr[cnt].p_filesz;
+ bootstrap_map.l_tls_initimage = (void *) (bootstrap_map.l_addr
+ + phdr[cnt].p_offset);
+
+ /* We can now allocate the initial TLS block. This can happen
+ on the stack. We'll get the final memory later when we
+ know all about the various objects loaded at startup
+ time. */
+# if TLS_TCB_AT_TP
+ tlsblock = alloca (roundup (bootstrap_map.l_tls_blocksize,
+ TLS_INIT_TCB_ALIGN)
+ + TLS_INIT_TCB_SIZE
+ + max_align);
+# elif TLS_DTV_AT_TP
+ tlsblock = alloca (roundup (TLS_INIT_TCB_SIZE,
+ bootstrap_map.l_tls_align)
+ + bootstrap_map.l_tls_blocksize
+ + max_align);
+# else
+ /* In case a model with a different layout for the TCB and DTV
+ is defined add another #elif here and in the following #ifs. */
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+# endif
+ /* Align the TLS block. */
+ tlsblock = (void *) (((uintptr_t) tlsblock + max_align - 1)
+ & ~(max_align - 1));
+
+ /* Initialize the dtv. [0] is the length, [1] the generation
+ counter. */
+ initdtv[0].counter = 1;
+ initdtv[1].counter = 0;
+
+ /* Initialize the TLS block. */
+# if TLS_TCB_AT_TP
+ initdtv[2].pointer = tlsblock;
+# elif TLS_DTV_AT_TP
+ bootstrap_map.l_tls_offset = roundup (TLS_INIT_TCB_SIZE,
+ bootstrap_map.l_tls_align);
+ initdtv[2].pointer = (char *) tlsblock + bootstrap_map.l_tls_offset;
+# else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+# endif
+ memset (__mempcpy (initdtv[2].pointer, bootstrap_map.l_tls_initimage,
+ bootstrap_map.l_tls_initimage_size),
+ '\0', (bootstrap_map.l_tls_blocksize
+ - bootstrap_map.l_tls_initimage_size));
+
+ /* Install the pointer to the dtv. */
+
+ /* Initialize the thread pointer. */
+# if TLS_TCB_AT_TP
+ bootstrap_map.l_tls_offset
+ = roundup (bootstrap_map.l_tls_blocksize, TLS_INIT_TCB_ALIGN);
+
+ INSTALL_DTV ((char *) tlsblock + bootstrap_map.l_tls_offset,
+ initdtv);
+
+ TLS_INIT_TP ((char *) tlsblock + bootstrap_map.l_tls_offset);
+# elif TLS_DTV_AT_TP
+ INSTALL_DTV (tlsblock, initdtv);
+ TLS_INIT_TP (tlsblock);
+# else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+# endif
+
+ /* So far this is module number one. */
+ bootstrap_map.l_tls_modid = 1;
+
+ /* There can only be one PT_TLS entry. */
+ break;
+ }
+#endif /* use TLS */
+
#ifdef ELF_MACHINE_BEFORE_RTLD_RELOC
ELF_MACHINE_BEFORE_RTLD_RELOC (bootstrap_map.l_info);
#endif
ElfW(Addr) *start_addr = alloca (sizeof (ElfW(Addr)));
extern char _begin[] attribute_hidden;
extern char _end[] attribute_hidden;
-#ifdef USE_TLS
- ElfW(Ehdr) *ehdr;
- ElfW(Phdr) *phdr;
- size_t cnt;
- dtv_t initdtv[3];
-#endif
if (HP_TIMING_AVAIL)
{
GL(dl_rtld_map).l_mach = bootstrap_map_p->l_mach;
GL(dl_rtld_map).l_map_start = (ElfW(Addr)) _begin;
GL(dl_rtld_map).l_map_end = (ElfW(Addr)) _end;
-
-#if HP_TIMING_AVAIL
- HP_TIMING_NOW (GL(dl_cpuclock_offset));
-#endif
-
+ /* Copy the TLS related data if necessary. */
#if USE_TLS
- /* Get the dynamic linkers program header. */
- ehdr = (ElfW(Ehdr) *) GL(dl_rtld_map).l_map_start;
- phdr = (ElfW(Phdr) *) (GL(dl_rtld_map).l_map_start + ehdr->e_phoff);
- for (cnt = 0; cnt < ehdr->e_phnum; ++cnt)
- if (phdr[cnt].p_type == PT_TLS)
- {
- void *tlsblock;
- size_t max_align = MAX (TLS_INIT_TCB_ALIGN, phdr[cnt].p_align);
-
- GL(dl_rtld_map).l_tls_blocksize = phdr[cnt].p_memsz;
- GL(dl_rtld_map).l_tls_align = phdr[cnt].p_align;
- assert (GL(dl_rtld_map).l_tls_blocksize != 0);
- GL(dl_rtld_map).l_tls_initimage_size = phdr[cnt].p_filesz;
- GL(dl_rtld_map).l_tls_initimage = (void *) (GL(dl_rtld_map).l_map_start
- + phdr[cnt].p_offset);
-
- /* We can now allocate the initial TLS block. This can happen
- on the stack. We'll get the final memory later when we
- know all about the various objects loaded at startup
- time. */
-# if TLS_TCB_AT_TP
- tlsblock = alloca (roundup (GL(dl_rtld_map).l_tls_blocksize,
- TLS_INIT_TCB_ALIGN)
- + TLS_INIT_TCB_SIZE
- + max_align);
-# elif TLS_DTV_AT_TP
- tlsblock = alloca (roundup (TLS_INIT_TCB_SIZE,
- GL(dl_rtld_map).l_tls_align)
- + GL(dl_rtld_map).l_tls_blocksize
- + max_align);
-# else
- /* In case a model with a different layout for the TCB and DTV
- is defined add another #elif here and in the following #ifs. */
-# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
- /* Align the TLS block. */
- tlsblock = (void *) (((uintptr_t) tlsblock + max_align - 1)
- & ~(max_align - 1));
-
- /* Initialize the dtv. [0] is the length, [1] the generation
- counter. */
- initdtv[0].counter = 1;
- initdtv[1].counter = 0;
-
- /* Initialize the TLS block. */
-# if TLS_TCB_AT_TP
- initdtv[2].pointer = tlsblock;
-# elif TLS_DTV_AT_TP
- GL(dl_rtld_map).l_tls_offset = roundup (TLS_INIT_TCB_SIZE,
- GL(dl_rtld_map).l_tls_align);
- initdtv[2].pointer = (char *) tlsblock + GL(dl_rtld_map).l_tls_offset;
-# else
-# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
-# endif
- memset (__mempcpy (initdtv[1].pointer, GL(dl_rtld_map).l_tls_initimage,
- GL(dl_rtld_map).l_tls_initimage_size),
- '\0', (GL(dl_rtld_map).l_tls_blocksize
- - GL(dl_rtld_map).l_tls_initimage_size));
-
- /* Install the pointer to the dtv. */
-
- /* Initialize the thread pointer. */
-# if TLS_TCB_AT_TP
- GL(dl_rtld_map).l_tls_offset
- = roundup (GL(dl_rtld_map).l_tls_blocksize, TLS_INIT_TCB_ALIGN);
-
- INSTALL_DTV ((char *) tlsblock + GL(dl_rtld_map).l_tls_offset,
- initdtv);
-
- TLS_INIT_TP ((char *) tlsblock + GL(dl_rtld_map).l_tls_offset);
-# elif TLS_DTV_AT_TP
- INSTALL_DTV (tlsblock, initdtv);
- TLS_INIT_TP (tlsblock);
+# ifdef HAVE___THREAD
+ assert (bootstrap_map_p->l_tls_modid != 0);
# else
-# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+ if (bootstrap_map_p->l_tls_modid != 0)
# endif
+ {
+ GL(dl_rtld_map).l_tls_blocksize = bootstrap_map_p->l_tls_blocksize;
+ GL(dl_rtld_map).l_tls_align = bootstrap_map_p->l_tls_align;
+ GL(dl_rtld_map).l_tls_initimage_size
+ = bootstrap_map_p->l_tls_initimage_size;
+ GL(dl_rtld_map).l_tls_initimage = bootstrap_map_p->l_tls_initimage;
+ GL(dl_rtld_map).l_tls_offset = bootstrap_map_p->l_tls_offset;
+ GL(dl_rtld_map).l_tls_modid = 1;
+ }
+#endif
- /* So far this is module number one. */
- GL(dl_rtld_map).l_tls_modid = 1;
-
- /* There can only be one PT_TLS entry. */
- break;
- }
-#endif /* use TLS */
+#if HP_TIMING_AVAIL
+ HP_TIMING_NOW (GL(dl_cpuclock_offset));
+#endif
/* Call the OS-dependent function to set up life so we can do things like
file access. It will call `dl_main' (below) to do all the real work
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
+#include <stdlib/errno.h>
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
+#ifdef _ERRNO_H
- 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-/*
- * ISO C99 Standard: 7.5 Errors <errno.h>
- */
-
-#ifndef _ERRNO_H
-
-/* The includer defined __need_Emath if he wants only the definitions
- of EDOM and ERANGE, and not everything else. */
-#ifndef __need_Emath
-#define _ERRNO_H 1
-#include <features.h>
+#if USE_TLS && HAVE___THREAD
+# undef errno
+extern __thread int errno;
+# define __set_errno(val) (errno = (val))
+#else
+# define __set_errno(val) (*__errno_location ()) = (val)
#endif
-__BEGIN_DECLS
-
-/* Get the error number constants from the system-specific file.
- This file will test __need_Emath and _ERRNO_H. */
-#include <bits/errno.h>
-#undef __need_Emath
-
-#ifdef _ERRNO_H
-
-/* Declare the `errno' variable, unless it's defined as a macro by
- bits/errno.h. This is the case in GNU, where it is a per-thread
- variable. This redeclaration using the macro still works, but it
- will be a function declaration without a prototype and may trigger
- a -Wstrict-prototypes warning. */
-#ifndef errno
-extern int errno;
-#endif
-
-#ifdef __USE_GNU
-
-/* The full and simple forms of the name with which the program was
- invoked. These variables are set up automatically at startup based on
- the value of ARGV[0] (this works only if you use GNU ld). */
-extern char *program_invocation_name, *program_invocation_short_name;
-#endif /* __USE_GNU */
-#endif /* _ERRNO_H */
-
-__END_DECLS
-
-#endif /* _ERRNO_H */
-
-/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so
- that printing `error_t' values in the debugger shows the names. We
- might need this definition sometimes even if this file was included
- before. */
-#if defined __USE_GNU || defined __need_error_t
-# ifndef __error_t_defined
-typedef int error_t;
-# define __error_t_defined 1
-# endif
-# undef __need_error_t
#endif
+2002-07-19 Ulrich Drepper <drepper@redhat.com>
+
+ * errno.c (__errno_location): Don't define unless !USE_TLS
+ || !HAVE___THREAD.
+ * sysdeps/i386/pt-machine.c: Protect C code with #ifndef ASSEMBLER.
+ * sysdeps/i386/tls.h: Likewise.
+ * sysdeps/i386/useldt.h: Likewise.
+ * sysdeps/i386/i686/pt-machine.h: Likewise.
+
2002-07-02 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/pspinlock.c: Don't include <sgidefs.h>. Always
#include <errno.h>
#include <netdb.h>
#include <resolv.h>
+#include <tls.h>
#include "pthread.h"
#include "internals.h"
+#if !USE_TLS || !HAVE___THREAD
+/* The definition in libc is sufficient if we use TLS. */
int * __errno_location()
{
pthread_descr self = thread_self();
return THREAD_GETMEM (self, p_errnop);
}
+#endif
int * __h_errno_location()
{
#endif
#include "kernel-features.h"
+#ifndef ASSEMBLER
extern long int testandset (int *spinlock);
extern int __compare_and_swap (long int *p, long int oldval, long int newval);
: "memory");
return ret;
}
+#endif
#if __ASSUME_LDT_WORKS > 0
#include "../useldt.h"
#ifndef _PT_MACHINE_H
#define _PT_MACHINE_H 1
+#ifndef ASSEMBLER
#ifndef PT_EI
# define PT_EI extern inline
#endif
Otherwise, it's a 486 or above and it has cmpxchg. */
return changed != 0;
}
+#endif /* ASSEMBLER */
#endif /* pt-machine.h */
#ifndef _TLS_H
#define _TLS_H
-#include <stddef.h>
+# include <pt-machine.h>
-#include <pt-machine.h>
+#ifndef ASSEMBLER
+# include <stddef.h>
/* Type for the dtv. */
typedef union dtv
dtv_t *dtv;
void *self; /* Pointer to the thread descriptor. */
} tcbhead_t;
+#endif
/* We can support TLS only if the floating-stack support is available. */
#if defined FLOATING_STACKS && defined HAVE_TLS_SUPPORT
-/* Get system call information. */
-# include <sysdep.h>
-
/* Signal that TLS support is available. */
# define USE_TLS 1
+# ifndef ASSEMBLER
+/* Get system call information. */
+# include <sysdep.h>
+
/* Get the thread descriptor definition. */
-# include <linuxthreads/descr.h>
+# include <linuxthreads/descr.h>
/* This is the size of the initial TCB. */
-# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
/* Alignment requirements for the initial TCB. */
-# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
/* This is the size of the TCB. */
-# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct)
+# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct)
/* Alignment requirements for the TCB. */
-# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
+# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
-# define TLS_TCB_AT_TP 1
+# define TLS_TCB_AT_TP 1
/* Install the dtv pointer. The pointer passed is to the element with
index -1 which contain the length. */
-# define INSTALL_DTV(descr, dtvp) \
+# define INSTALL_DTV(descr, dtvp) \
((tcbhead_t *) descr)->dtv = dtvp + 1
/* Install new dtv for current thread. */
-# define INSTALL_NEW_DTV(dtv) \
+# define INSTALL_NEW_DTV(dtv) \
({ struct _pthread_descr_struct *__descr; \
THREAD_SETMEM (__descr, p_header.data.dtvp, dtv); })
/* Return dtv of given thread descriptor. */
-# define GET_DTV(descr) \
+# define GET_DTV(descr) \
(((tcbhead_t *) descr)->dtv)
/* Code to initially initialize the thread pointer. This might need
special attention since 'errno' is not yet available and if the
operation can cause a failure 'errno' must not be touched. */
-# define TLS_INIT_TP(descr) \
+# define TLS_INIT_TP(descr) \
do { \
void *_descr = (descr); \
struct modify_ldt_ldt_s ldt_entry = \
/* Return the address of the dtv for the current thread. */
-# define THREAD_DTV() \
+# define THREAD_DTV() \
({ struct _pthread_descr_struct *__descr; \
THREAD_GETMEM (__descr, p_header.data.dtvp); })
-#endif /* FLOATING_STACKS && HAVE_TLS_SUPPORT */
+# endif /* FLOATING_STACKS && HAVE_TLS_SUPPORT */
+#endif /* __ASSEMBLER__ */
#endif /* tls.h */
/* Special definitions for ix86 machine using segment register based
thread descriptor.
- Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>.
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#ifndef ASSEMBLER
#include <stddef.h> /* For offsetof. */
#include <stdlib.h> /* For abort(). */
member))); \
} \
})
+#endif
/* We want the OS to assign stack addresses. */
#define FLOATING_STACKS 1
subdir := stdlib
headers := stdlib.h alloca.h monetary.h fmtmsg.h ucontext.h sys/ucontext.h \
- inttypes.h stdint.h bits/wordsize.h bits/wchar.h
+ inttypes.h stdint.h bits/wordsize.h bits/wchar.h \
+ errno.h sys/errno.h bits/errno.h
routines := \
atof atoi atol atoll \
--- /dev/null
+/* Copyright (C) 1991,92,93,94,95,96,97,2002 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * ISO C99 Standard: 7.5 Errors <errno.h>
+ */
+
+#ifndef _ERRNO_H
+
+/* The includer defined __need_Emath if he wants only the definitions
+ of EDOM and ERANGE, and not everything else. */
+#ifndef __need_Emath
+# define _ERRNO_H 1
+# include <features.h>
+#endif
+
+__BEGIN_DECLS
+
+/* Get the error number constants from the system-specific file.
+ This file will test __need_Emath and _ERRNO_H. */
+#include <bits/errno.h>
+#undef __need_Emath
+
+#ifdef _ERRNO_H
+
+/* Declare the `errno' variable, unless it's defined as a macro by
+ bits/errno.h. This is the case in GNU, where it is a per-thread
+ variable. This redeclaration using the macro still works, but it
+ will be a function declaration without a prototype and may trigger
+ a -Wstrict-prototypes warning. */
+#ifndef errno
+extern int errno;
+#endif
+
+#ifdef __USE_GNU
+
+/* The full and simple forms of the name with which the program was
+ invoked. These variables are set up automatically at startup based on
+ the value of ARGV[0] (this works only if you use GNU ld). */
+extern char *program_invocation_name, *program_invocation_short_name;
+#endif /* __USE_GNU */
+#endif /* _ERRNO_H */
+
+__END_DECLS
+
+#endif /* _ERRNO_H */
+
+/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so
+ that printing `error_t' values in the debugger shows the names. We
+ might need this definition sometimes even if this file was included
+ before. */
+#if defined __USE_GNU || defined __need_error_t
+# ifndef __error_t_defined
+typedef int error_t;
+# define __error_t_defined 1
+# endif
+# undef __need_error_t
+#endif
--- /dev/null
+#include <errno.h>
# define Exxxx XXX
...
#endif
-
-#define __set_errno(val) errno = (val)
/* MT support function to get address of `errno' variable, non-threaded
version.
- Copyright (C) 1996, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1998, 2002 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
02111-1307 USA. */
#include <errno.h>
+#include <tls.h>
#undef errno
+#if USE_TLS && HAVE___THREAD
+extern __thread int errno;
+#else
+extern int errno;
+#endif
+
int *
weak_const_function
__errno_location (void)
case R_386_TLS_TPOFF32:
/* The offset is positive, backward from the thread pointer. */
# ifdef RTLD_BOOTSTRAP
- *reloc_addr = GL(dl_rtld_map).l_tls_offset - sym->st_value;
+ *reloc_addr = map->l_tls_offset - sym->st_value;
# else
/* We know the offset of object the symbol is contained in.
It is a positive value which will be subtracted from the
extern int *__errno_location (void) __THROW __attribute__ ((__const__));
#define errno (*__errno_location ())
-#define __set_errno(val) (errno = (val))
#endif /* <errno.h> included. */
case R_SH_TLS_TPOFF32:
/* The offset is positive, afterward from the thread pointer. */
# ifdef RTLD_BOOTSTRAP
- *reloc_addr = GL(dl_rtld_map).l_tls_offset + sym->st_value;
+ *reloc_addr = map->l_tls_offset + sym->st_value;
# else
/* We know the offset of object the symbol is contained in.
It is a positive value which will be added to the thread
# define EOVERFLOW 32
#endif
-#define __set_errno(val) errno = (val)
/* Function to get address of global `errno' variable. */
extern int *__errno_location __P ((void)) __attribute__ ((__const__));
# define ENOSPC 31
# define EBUSY 32
#endif
-
-#define __set_errno(val) errno = (val)
#endif /* __USE_BSD */
-#define __set_errno(val) errno = (val)
-
#endif /* <errno.h> included. */
# define EMULTIHOP 125 /* Multihop is not allowed. */
# define ENOLINK 126 /* The link has been severed. */
# define EOVERFLOW 127 /* Value too large to be stored in data type.*/
-
-# ifdef _LIBC
-# define __set_errno(val) errno = (val)
-# endif
#endif
#if !defined _ERRNO_H && defined __need_Emath
#define ENOMSG 35
#define ENOSYS 251
#endif
-
-#define __set_errno(val) errno = (val)
# define ECANCELED 125
# ifndef __ASSEMBLER__
-/* We now need a declaration of the `errno' variable. */
-extern int errno;
-
/* Function to get address of global `errno' variable. */
extern int *__errno_location (void) __THROW __attribute__ ((__const__));
-# if defined _LIBC
-/* We wouldn't need a special macro anymore but it is history. */
-# define __set_errno(val) (*__errno_location ()) = (val)
-# endif /* _LIBC */
-
# if !defined _LIBC || defined _LIBC_REENTRANT
/* When using threads, errno is a per-thread value. */
# define errno (*__errno_location ())
/* Determine current working directory. Linux version.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
char *
__getcwd (char *buf, size_t size)
{
- int save_errno;
char *path;
int n;
char *result;
return NULL;
}
- save_errno = errno;
-
#if defined __NR_getcwd || __LINUX_GETCWD_SYSCALL > 0
if (!no_syscall_getcwd)
{
free (path);
return NULL;
}
-
- __set_errno (save_errno);
# endif
}
#endif
have_new_dcache = 0;
#endif
- /* Something went wrong. Restore the error number and use the generic
- version. */
- __set_errno (save_errno);
-
/* Don't put restrictions on the length of the path unless the user does. */
if (size == 0)
{
-/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2001, 2002 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
if (__libc_fcntl (fd, F_GETFD) == -1 && errno == EBADF)
return -1;
- __set_errno (save_errno);
-
/* If the filedescriptor is no TTY, grantpt has to set errno
to EINVAL. */
- if (errno == ENOTTY)
+ if (save_errno == ENOTTY)
__set_errno (EINVAL);
+ else
+ __set_errno (save_errno);
+
return -1;
}
# define ECANCELED 125
# ifndef __ASSEMBLER__
-/* We now need a declaration of the `errno' variable. */
-extern int errno;
-
/* Function to get address of global `errno' variable. */
extern int *__errno_location (void) __THROW __attribute__ ((__const__));
-# if defined _LIBC
-/* We wouldn't need a special macro anymore but it is history. */
-# define __set_errno(val) (*__errno_location ()) = (val)
-# endif /* _LIBC */
-
# if !defined _LIBC || defined _LIBC_REENTRANT
/* When using threads, errno is a per-thread value. */
# define errno (*__errno_location ())
#ifdef PIC
# undef SYSCALL_ERROR_HANDLER
-/* Store (- %eax) into errno through the GOT. */
-# ifdef _LIBC_REENTRANT
-
-# ifndef HAVE_HIDDEN
-# define SETUP_PIC_REG \
+# undef SETUP_PIC_REG
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG(reg) \
call 1f; \
.subsection 1; \
-1:movl (%esp), %ebx; \
+1:movl (%esp), %e##reg; \
ret; \
.previous
-# else
-# define SETUP_PIC_REG \
- .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits; \
- .globl __i686.get_pc_thunk.bx; \
- .hidden __i686.get_pc_thunk.bx; \
- .type __i686.get_pc_thunk.bx,@function; \
-__i686.get_pc_thunk.bx: \
- movl (%esp), %ebx; \
+# else
+# define SETUP_PIC_REG(reg) \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.reg; \
+ .hidden __i686.get_pc_thunk.reg; \
+ .type __i686.get_pc_thunk.reg,@function; \
+__i686.get_pc_thunk.reg: \
+ movl (%esp), %e##reg; \
ret; \
.previous; \
- call __i686.get_pc_thunk.bx
-# endif
+ call __i686.get_pc_thunk.reg
+# endif
-# define SYSCALL_ERROR_HANDLER \
+/* Store (- %eax) into errno through the GOT. */
+# ifdef _LIBC_REENTRANT
+# if USE_TLS && HAVE___THREAD
+# define SYSCALL_ERROR_HANDLER \
+0:SETUP_PIC_REG (cx); \
+ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
+ xorl %edx, %edx; \
+ subl %eax, %edx; \
+ movl %gs:0, %eax; \
+ subl errno@gottpoff(%ecx), %eax; \
+ movl %edx, (%eax); \
+ orl $-1, %eax; \
+ jmp L(pseudo_end);
+# else
+# define SYSCALL_ERROR_HANDLER \
0:pushl %ebx; \
- SETUP_PIC_REG; \
+ SETUP_PIC_REG(bx); \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
jmp L(pseudo_end);
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
-# else
-
-# ifndef HAVE_HIDDEN
-# define SETUP_PIC_REG \
- call 1f; \
- .subsection 1; \
-1:movl (%esp), %ecx; \
- ret; \
- .previous
-# else
-# define SETUP_PIC_REG \
- .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits; \
- .globl __i686.get_pc_thunk.cx; \
- .hidden __i686.get_pc_thunk.cx; \
- .type __i686.get_pc_thunk.cx,@function; \
-__i686.get_pc_thunk.cx: \
- movl (%esp), %ecx; \
- ret; \
- .previous; \
- call __i686.get_pc_thunk.cx
# endif
-
+# else
# define SYSCALL_ERROR_HANDLER \
-0:SETUP_PIC_REG; \
+0:SETUP_PIC_REG(cx); \
addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2002 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
02111-1307 USA. */
#include <sysdep.h>
+#include <tls.h>
/* Because the Linux version is in fact i386/ELF and the start.? file
for this system (sysdeps/i386/elf/start.S) is also used by The Hurd
it somewhere else.
...and this place is here. */
+#if USE_TLS && HAVE___THREAD
+ .section .tbss
+#else
.bss
+#endif
.globl errno
.type errno,@object
.size errno,4
+ .globl _errno
+ .type _errno,@object
+ .size _errno,4
+ .align 4
errno:
+_errno:
.space 4
-weak_alias (errno, _errno)
/* The following code is only used in the shared library when we
compile the reentrant version. Otherwise each system call defines
#include <sysdeps/unix/i386/sysdep.h>
#include <bp-sym.h>
#include <bp-asm.h>
+#include <tls.h>
/* For Linux we can use the system call table in the header file
/usr/include/asm/unistd.h
END (name)
#ifndef PIC
-#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
+# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
#else
-/* Store (- %eax) into errno through the GOT. */
-#ifdef _LIBC_REENTRANT
# ifndef HAVE_HIDDEN
-# define SETUP_PIC_REG \
+# define SETUP_PIC_REG(reg) \
call 1f; \
.subsection 1; \
-1:movl (%esp), %ebx; \
+1:movl (%esp), %e##reg; \
ret; \
.previous
# else
-# define SETUP_PIC_REG \
- .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits; \
- .globl __i686.get_pc_thunk.bx; \
- .hidden __i686.get_pc_thunk.bx; \
- .type __i686.get_pc_thunk.bx,@function; \
-__i686.get_pc_thunk.bx: \
- movl (%esp), %ebx; \
+# define SETUP_PIC_REG(reg) \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.reg; \
+ .hidden __i686.get_pc_thunk.reg; \
+ .type __i686.get_pc_thunk.reg,@function; \
+__i686.get_pc_thunk.reg: \
+ movl (%esp), %e##reg; \
ret; \
.previous; \
- call __i686.get_pc_thunk.bx
+ call __i686.get_pc_thunk.reg
# endif
-#define SYSCALL_ERROR_HANDLER \
+/* Store (- %eax) into errno through the GOT. */
+# ifdef _LIBC_REENTRANT
+
+# if USE_TLS && HAVE___THREAD
+# define SYSCALL_ERROR_HANDLER \
+0:SETUP_PIC_REG (cx); \
+ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
+ xorl %edx, %edx; \
+ subl %eax, %edx; \
+ movl %gs:0, %eax; \
+ subl errno@gottpoff(%ecx), %eax; \
+ movl %edx, (%eax); \
+ orl $-1, %eax; \
+ jmp L(pseudo_end);
+# else
+# define SYSCALL_ERROR_HANDLER \
0:pushl %ebx; \
- SETUP_PIC_REG; \
+ SETUP_PIC_REG (bx); \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
jmp L(pseudo_end);
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
-#else
-
-# ifndef HAVE_HIDDEN
-# define SETUP_PIC_REG \
- call 1f; \
- .subsection 1; \
-1:movl (%esp), %ecx; \
- ret; \
- .previous
+# endif
# else
-# define SETUP_PIC_REG \
- .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits; \
- .globl __i686.get_pc_thunk.cx; \
- .hidden __i686.get_pc_thunk.cx; \
- .type __i686.get_pc_thunk.cx,@function; \
-__i686.get_pc_thunk.cx: \
- movl (%esp), %ecx; \
- ret; \
- .previous; \
- call __i686.get_pc_thunk.cx
-# endif
-
-#define SYSCALL_ERROR_HANDLER \
-0:define SETUP_PIC_REG; \
+# define SYSCALL_ERROR_HANDLER \
+0:define SETUP_PIC_REG(cx); \
addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
movl %edx, (%ecx); \
orl $-1, %eax; \
jmp L(pseudo_end);
-#endif /* _LIBC_REENTRANT */
+# endif /* _LIBC_REENTRANT */
#endif /* PIC */
/* Linux takes system call arguments in registers:
-/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
buf->f_flag = 0;
if (STAT (&st) >= 0)
{
- int save_errno = errno;
struct mntent mntbuf;
FILE *mtab;
/* Close the file. */
__endmntent (mtab);
}
-
- __set_errno (save_errno);
}
# define ENOTSUP EOPNOTSUPP
# ifndef __ASSEMBLER__
-/* We now need a declaration of the `errno' variable. */
-extern int errno;
-
/* Function to get address of global `errno' variable. */
extern int *__errno_location (void) __THROW __attribute__ ((__const__));
-# if defined _LIBC
-/* We wouldn't need a special macro anymore but it is history. */
-# define __set_errno(val) (*__errno_location ()) = (val)
-# endif /* _LIBC */
-
# if !defined _LIBC || defined _LIBC_REENTRANT
/* When using threads, errno is a per-thread value. */
# define errno (*__errno_location ())
-/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
}
{
- int save_errno = errno, result;
+ int result;
struct __old_msqid_ds old;
/* Unfortunately there is no way how to find out for sure whether
if (result != -1 || errno != EINVAL)
return result;
- __set_errno(save_errno);
if (cmd == IPC_SET)
{
old.msg_perm.uid = buf->msg_perm.uid;
/* readv supports all Linux kernels >= 2.0.
- Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002 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
const struct iovec *vector;
int count;
{
- int errno_saved = errno;
ssize_t bytes_read;
bytes_read = INLINE_SYSCALL (readv, 3, fd, CHECK_N (vector, count), count);
if (bytes_read >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
return bytes_read;
- /* Restore the old error value as if nothing happened. */
- __set_errno (errno_saved);
-
return __atomic_readv_replacement (fd, vector, count);
}
weak_alias (__readv, readv)
/* writev supports all Linux kernels >= 2.0.
- Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002 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
const struct iovec *vector;
int count;
{
- int errno_saved = errno;
ssize_t bytes_written;
bytes_written = INLINE_SYSCALL (writev, 3, fd, CHECK_N (vector, count), count);
if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
return bytes_written;
- /* Restore the old error value as if nothing happened. */
- __set_errno (errno_saved);
-
return __atomic_writev_replacement (fd, vector, count);
}
weak_alias (__writev, writev)
# define ESTALE 151 /* Stale NFS file handle. */
#endif
-
-#define __set_errno(val) errno = (val)
projects / thirdparty / glibc.git / commitdiff
