mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
9b21e6bcf8
* include/libc-symbols.h (attribute_tls_model_ie): Define.
* include/errno.h (errno): Define to __libc_errno in libc.so.
Add attribute_tls_model_ie.
* include/netdb.h (h_errno): Define to __libc_h_errno in libc.so.
Add attribute_tls_model_ie.
* include/resolv.h (_res): Define to __libc_res in libc.so. Add
attribute_tls_model_ie.
* inet/herrno.c (__libc_h_errno): Add hidden alias to h_errno.
(h_errno): Define.
* resolv/res_libc.c (__libc_res): Add hidden alias to _res.
(_res): Define.
* sysdeps/generic/bits/libc-tsd.h (__libc_tsd_define): Add
attribute_tls_model_ie.
* sysdeps/generic/errno-loc.c (errno): Only undefine if not using
__thread.
* sysdeps/generic/errno.c (__libc_errno): Add hidden alias to errno.
* sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER): Use
__libc_errno in USE___THREAD case.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (SYSCALL_ERROR_HANDLER):
Likewise.
* configure.in (HAVE_TLS_MODEL_ATTRIBUTE): Check for
__attribute__((tls_model (""))).
* configure: Rebuilt.
* config.h.in (HAVE_TLS_MODEL_ATTRIBUTE): Add.
43 lines
970 B
C
43 lines
970 B
C
#ifndef _ERRNO_H
|
|
|
|
#include <stdlib/errno.h>
|
|
|
|
#if defined _ERRNO_H && !defined _ISOMAC
|
|
|
|
# ifdef IS_IN_rtld
|
|
# include <dl-sysdep.h>
|
|
# endif
|
|
|
|
# if RTLD_PRIVATE_ERRNO
|
|
/* The dynamic linker uses its own private errno variable.
|
|
All access to errno inside the dynamic linker is serialized,
|
|
so a single (hidden) global variable is all it needs. */
|
|
|
|
# undef errno
|
|
# define errno errno /* For #ifndef errno tests. */
|
|
extern int errno attribute_hidden;
|
|
# define __set_errno(val) (errno = (val))
|
|
|
|
# else
|
|
|
|
# include <tls.h> /* Defines USE_TLS. */
|
|
|
|
# if USE___THREAD
|
|
# undef errno
|
|
# ifndef NOT_IN_libc
|
|
# define errno __libc_errno
|
|
# else
|
|
# define errno errno /* For #ifndef errno tests. */
|
|
# endif
|
|
extern __thread int errno attribute_tls_model_ie;
|
|
# define __set_errno(val) (errno = (val))
|
|
# else
|
|
# define __set_errno(val) (*__errno_location ()) = (val)
|
|
# endif
|
|
|
|
# endif /* RTLD_PRIVATE_ERRNO */
|
|
|
|
#endif /* _ERRNO_H */
|
|
|
|
#endif /* ! _ERRNO_H */
|