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glibc/linuxthreads/sysdeps/pthread/errno-loc.c
Ulrich Drepper 5ca3d19c74 Update.
2004-10-14  Ulrich Drepper  <drepper@redhat.com>

	* nscd/connections.c (nscd_init): Remove file if not persistent
	and not shared.  Patch by Jerome Borsboom <j.borsboom@erasmusmc.nl>.

	* sysdeps/unix/sysv/linux/i386/setresuid.c: Handle
	defined __NR_setresuid32 && !defined __NR_setresuid.
	* sysdeps/unix/sysv/linux/i386/setresgid.c: Handle
	defined __NR_setresgid32 && !defined __NR_setresgid.

	* sysdeps/sparc/fpu/bits/mathinline.h (__signbitf, __signbit,
	__signbitl, sqrtf, sqrt, sqrtl, fdim, fdimf): Use __NTH macro.

	* sysdeps/generic/errno-loc.c: Don't undef #errno
	if RTLD_PRIVATE_ERRNO.
	* include/errno.h (__errno_location): If RTLD_PRIVATE_ERRNO,
	add attribute_hidden.

	* dlfcn/dlinfo.c (dlinfo_doit): Replace iteration over GL(dl_loaded)
	chain with iteration over all namespaces' _ns_loaded chains.
	* sysdeps/powerpc/powerpc32/dl-machine.c (__elf_preferred_address):
	Likewise.
	* sysdeps/mips/dl-machine.h (elf_machine_runtime_link_map): Likewise.
2004-10-14 16:18:09 +00:00

47 lines
1.4 KiB
C

/* MT support function to get address of `errno' variable, linuxthreads
version.
Copyright (C) 1996, 1998, 2002, 2003, 2004 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. */
#include <errno.h>
#include <tls.h>
#include <linuxthreads/internals.h>
#include <sysdep-cancel.h>
#if ! USE___THREAD && !RTLD_PRIVATE_ERRNO
#undef errno
extern int errno;
#endif
int *
#if ! USE___THREAD
weak_const_function
#endif
__errno_location (void)
{
#if ! USE___THREAD && !defined NOT_IN_libc
if (! SINGLE_THREAD_P)
{
pthread_descr self = thread_self();
return LIBC_THREAD_GETMEM (self, p_errnop);
}
#endif
return &errno;
}
libc_hidden_def (__errno_location)