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authorUlrich Drepper <drepper@redhat.com>2003-01-28 23:52:31 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-28 23:52:31 +0000
commit1d087a7e39b36b088ec199451984f6f6a8799b3a (patch)
treed98400b28adb89b8997f2c4381fc98df40cb7118 /nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
parentdb34912eb03df7020a3e607de85bcff431b29348 (diff)
Update.
* Makefile (libpthread-routines): Remove lowlevelcond and lowlevelsem. Add sem_wait, sem_trywait, sem_timedwait, sem_post, pthread_cond_wait, pthread_cond_timedwait, pthread_cond_signal, and pthread_cond_broadcast. * sysdeps/unix/sysv/linux/i486/lowlevelsem.S: Removed * sysdeps/unix/sysv/linux/i486/lowlevelcond.S: Removed * sysdeps/unix/sysv/linux/i586/lowlevelsem.S: Removed * sysdeps/unix/sysv/linux/i586/lowlevelcond.S: Removed * sysdeps/unix/sysv/linux/i686/lowlevelsem.S: Removed * sysdeps/unix/sysv/linux/i686/lowlevelcond.S: Removed * sysdeps/unix/sysv/linux/i486/sem_wait.S: New file. * sysdeps/unix/sysv/linux/i486/sem_trywait.S: New file. * sysdeps/unix/sysv/linux/i486/sem_timedwait.S: New file. * sysdeps/unix/sysv/linux/i486/sem_post.S: New file. * sysdeps/unix/sysv/linux/i486/pthread_cond_wait.S: New file. * sysdeps/unix/sysv/linux/i486/pthread_cond_timedwait.S: New file. * sysdeps/unix/sysv/linux/i486/pthread_cond_signal.S: New file. * sysdeps/unix/sysv/linux/i486/pthread_cond_broadcast.S: New file. * sysdeps/unix/sysv/linux/i586/sem_wait.S: New file. * sysdeps/unix/sysv/linux/i586/sem_trywait.S: New file. * sysdeps/unix/sysv/linux/i586/sem_timedwait.S: New file. * sysdeps/unix/sysv/linux/i586/sem_post.S: New file. * sysdeps/unix/sysv/linux/i586/pthread_cond_wait.S: New file. * sysdeps/unix/sysv/linux/i586/pthread_cond_timedwait.S: New file. * sysdeps/unix/sysv/linux/i586/pthread_cond_signal.S: New file. * sysdeps/unix/sysv/linux/i586/pthread_cond_broadcast.S: New file. * sysdeps/unix/sysv/linux/i686/sem_wait.S: New file. * sysdeps/unix/sysv/linux/i686/sem_trywait.S: New file. * sysdeps/unix/sysv/linux/i686/sem_timedwait.S: New file. * sysdeps/unix/sysv/linux/i686/sem_post.S: New file. * sysdeps/unix/sysv/linux/i686/pthread_cond_wait.S: New file. * sysdeps/unix/sysv/linux/i686/pthread_cond_timedwait.S: New file. * sysdeps/unix/sysv/linux/i686/pthread_cond_signal.S: New file. * sysdeps/unix/sysv/linux/i686/pthread_cond_broadcast.S: New file.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S103
1 files changed, 103 insertions, 0 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
new file mode 100644
index 0000000000..8704b79091
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S
@@ -0,0 +1,103 @@
+/* Copyright (C) 2002, 2003 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <shlib-compat.h>
+
+#ifndef UP
+# define LOCK lock
+#else
+# define
+#endif
+
+#define SYS_futex 240
+#define FUTEX_WAKE 1
+
+#define EAGAIN 11
+#define EINVAL 22
+
+
+ .text
+
+ .globl __new_sem_post
+ .type __new_sem_post,@function
+ .align 16
+__new_sem_post:
+ pushl %esi
+ pushl %ebx
+
+ movl 12(%esp), %ebx
+ movl $1, %edx
+ LOCK
+ xaddl %edx, (%ebx)
+
+ xorl %esi, %esi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %ecx
+ incl %edx
+ ENTER_KERNEL
+
+ testl %eax, %eax
+ js 1f
+
+ xorl %eax, %eax
+ popl %ebx
+ popl %esi
+ ret
+
+1:
+#ifdef PIC
+ call __i686.get_pc_thunk.bx
+#else
+ movl $4f, %ebx
+4:
+#endif
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+#if USE___THREAD
+ movl %gs:0, %edx
+ subl errno@gottpoff(%ebx), %edx
+ movl $EINVAL, (%edx)
+#else
+ call __errno_location@plt
+ movl $EAGAIN, (%eax)
+#endif
+
+ orl $-1, %eax
+ popl %ebx
+ popl %esi
+ ret
+ .size __new_sem_post,.-__new_sem_post
+ .symver __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
+ .symver __old_sem_post, sem_post@GLIBC_2.0
+#endif
+
+
+#ifdef PIC
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
+ .globl __i686.get_pc_thunk.bx
+ .hidden __i686.get_pc_thunk.bx
+ .type __i686.get_pc_thunk.bx,@function
+__i686.get_pc_thunk.bx:
+ movl (%esp), %ebx;
+ ret
+ .size __i686.get_pc_thunk.bx,.-__i686.get_pc_thunk.bx
+#endif