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author | Jakub Jelinek <jakub@redhat.com> | 2007-10-17 14:34:44 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-10-17 14:34:44 +0000 |
commit | 96c06e084be93757bde5cc231a8ae1b616c27bf0 (patch) | |
tree | 0bd8ae44abf791949e4031d7b21711e8c65a8189 /nptl/sysdeps/unix/sysv/linux/i386 | |
parent | 6a649d25bb4eac00000781221310b7c9e547b503 (diff) | |
download | glibc-96c06e084be93757bde5cc231a8ae1b616c27bf0.tar.gz glibc-96c06e084be93757bde5cc231a8ae1b616c27bf0.tar.xz glibc-96c06e084be93757bde5cc231a8ae1b616c27bf0.zip |
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S (__old_sem_post): New
routine instead of an alias to __new_sem_post. 2007-10-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/i386/i486/sem_post.S (__old_sem_post): New routine instead of an alias to __new_sem_post.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S index 8f656b4e0f..ac045b6e34 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S @@ -86,7 +86,26 @@ __new_sem_post: versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1) #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) .global __old_sem_post -__old_sem_post = __new_sem_post + .type __old_sem_post,@function +__old_sem_post: + pushl %ebx + + movl 8(%esp), %ebx + LOCK + addl $1, (%ebx) + + movl $SYS_futex, %eax + movl $FUTEX_WAKE, %ecx + movl $1, %edx + ENTER_KERNEL + + testl %eax, %eax + js 1b + + xorl %eax, %eax + popl %ebx + ret + .size __old_sem_post,.-__old_sem_post compat_symbol(libpthread, __old_sem_post, sem_post, GLIBC_2_0) #endif |