diff options
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 |