diff options
| author | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2007-10-18 16:54:40 +0000 |
|---|---|---|
| committer | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2007-10-18 16:54:40 +0000 |
| commit | 58ddfaf915dfed8eabb3de5ddbfc75400b7a3593 (patch) | |
| tree | 061fb1227f0e58bd744b795e34227ac07aceb8d4 /libc/nptl/sysdeps/unix/sysv/linux/i386 | |
| parent | 1014a34ffefed553055fbabd75bd1d3c6822763c (diff) | |
| download | eglibc2-58ddfaf915dfed8eabb3de5ddbfc75400b7a3593.tar.gz | |
Merge changes between r3831 and r3854 from /fsf/trunk.
git-svn-id: svn://svn.eglibc.org/trunk@3855 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/nptl/sysdeps/unix/sysv/linux/i386')
| -rw-r--r-- | libc/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/libc/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/libc/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S index 8f656b4e0..ac045b6e3 100644 --- a/libc/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S +++ b/libc/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 |