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| author | Roland McGrath <roland@gnu.org> | 2004-10-04 20:59:53 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2004-10-04 20:59:53 +0000 |
| commit | 0c70edcbc655bcd740b10ae9ddaa552491c930b1 (patch) | |
| tree | 35f793496b2c3f4d8953583f8a4b337f7126d256 /sysdeps/generic/errno.c | |
| parent | 96c82b3feea4335a2e47d789deb96231b0aef7a0 (diff) | |
| download | glibc-0c70edcbc655bcd740b10ae9ddaa552491c930b1.tar.gz glibc-0c70edcbc655bcd740b10ae9ddaa552491c930b1.tar.xz glibc-0c70edcbc655bcd740b10ae9ddaa552491c930b1.zip | |
* include/errno.h [RTLD_PRIVATE_ERRNO] (errno): Rename the real symbol
to rtld_errno. * sysdeps/generic/errno.c [RTLD_PRIVATE_ERRNO] (rtld_errno): Define it, and don't define any other errno names. * sysdeps/unix/alpha/sysdep.h [RTLD_PRIVATE_ERRNO]: Use rtld_errno in place of errno. * sysdeps/unix/i386/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise. * sysdeps/unix/x86_64/sysdep.S: Likewise. * sysdeps/generic/errno.c [! USE___THREAD] (errno): Use `nocommon' attribute instead of `section'. are handled by one thread which then hands off the descriptors for the
Diffstat (limited to 'sysdeps/generic/errno.c')
| -rw-r--r-- | sysdeps/generic/errno.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sysdeps/generic/errno.c b/sysdeps/generic/errno.c index 10dbabe762..03d661b717 100644 --- a/sysdeps/generic/errno.c +++ b/sysdeps/generic/errno.c @@ -22,24 +22,32 @@ #include <dl-sysdep.h> #undef errno -#if USE___THREAD +#if RTLD_PRIVATE_ERRNO + +/* Code compiled for rtld refers only to this name. */ +int rtld_errno attribute_hidden; + +#elif USE___THREAD + __thread int errno; extern __thread int __libc_errno __attribute__ ((alias ("errno"))) attribute_hidden; + #else + /* This differs from plain `int errno;' in that it doesn't create a common definition, but a plain symbol that resides in .bss, which can have an alias. */ -int errno __attribute__ ((section (".bss"))); +int errno __attribute__ ((nocommon)); strong_alias (errno, _errno) /* We declare these with compat_symbol so that they are not visible at link time. Programs must use the accessor functions. RTLD is special, since it's not exported from there at any time. */ -# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING \ - && !RTLD_PRIVATE_ERRNO +# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING # include <shlib-compat.h> compat_symbol (libc, errno, errno, GLIBC_2_0); compat_symbol (libc, _errno, _errno, GLIBC_2_0); # endif + #endif |