diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S deleted file mode 100644 index 1c11600468..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright (C) 2002-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <structsem.h> - - - .text - - .globl sem_post - .type sem_post,@function - .align 16 -sem_post: -#if VALUE == 0 - movl (%rdi), %eax -#else - movl VALUE(%rdi), %eax -#endif -0: cmpl $SEM_VALUE_MAX, %eax - je 3f - leal 1(%rax), %esi - LOCK -#if VALUE == 0 - cmpxchgl %esi, (%rdi) -#else - cmpxchgl %esi, VALUE(%rdi) -#endif - jnz 0b - - LP_OP(cmp) $0, NWAITERS(%rdi) - je 2f - - movl $SYS_futex, %eax - movl $FUTEX_WAKE, %esi - orl PRIVATE(%rdi), %esi - movl $1, %edx - syscall - - testq %rax, %rax - js 1f - -2: xorl %eax, %eax - retq - -1: - movl $EINVAL, %eax - jmp 4f - -3: - movl $EOVERFLOW, %eax - -4: - movq errno@gottpoff(%rip), %rdx - movl %eax, %fs:(%rdx) - orl $-1, %eax - retq - .size sem_post,.-sem_post |