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authorUlrich Drepper <drepper@redhat.com>2002-11-28 00:53:12 +0000
committerUlrich Drepper <drepper@redhat.com>2002-11-28 00:53:12 +0000
commitf78deea65fee170ed353a44764d53c55cced6000 (patch)
tree101e2929fc040529318fbfb55650dc43f93d0c87 /nptl/sysdeps/i386
parent6291ee3c5fa34e3b1a9df315f24268b91c8ec89b (diff)
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Update.
* sysdeps/x86_64/pthreaddef.h: New file. * sysdeps/i386/pthreaddef.h (gettid): Removed. * sysdeps/x86_64/pthread_spin_init.c: New file. * sysdeps/x86_64/pthread_spin_lock.c: New file. * sysdeps/x86_64/pthread_spin_trylock.c: New file. * sysdeps/x86_64/pthread_spin_unlock.c: New file. * sysdeps/i386/i686/pthread_spin_trylock.S (pthread_spin_trylock): Add missing lock prefix. Minute optimization. * tst-spin2.c (main): Also check successful trylock call. * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct syscall. Fix typo in case INTERNAL_SYSCALL is not used. * sysdeps/i386/pthread_spin_destroy.c: Moved to... * sysdeps/pthread/pthread_spin_destroy.c: ...here. New file. * sysdeps/i386/pthread_sigmask.c: Removed. Use the generic code. * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct value in case of an error. Add support for INTERNAL_SYSCALL.
Diffstat (limited to 'nptl/sysdeps/i386')
-rw-r--r--nptl/sysdeps/i386/i686/pthread_spin_trylock.S14
-rw-r--r--nptl/sysdeps/i386/pthread_spin_destroy.c29
-rw-r--r--nptl/sysdeps/i386/pthreaddef.h4
3 files changed, 11 insertions, 36 deletions
diff --git a/nptl/sysdeps/i386/i686/pthread_spin_trylock.S b/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
index 881976c..2ab83e6 100644
--- a/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
+++ b/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
@@ -19,6 +19,13 @@
#define EBUSY 16
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
.globl pthread_spin_trylock
.type pthread_spin_trylock,@function
.align 16
@@ -26,9 +33,10 @@ pthread_spin_trylock:
movl 4(%esp), %edx
movl $1, %eax
xorl %ecx, %ecx
+ LOCK
cmpxchgl %ecx, (%edx)
- movl $EBUSY, %ecx
- movl $0, %eax
- cmovne %ecx, %eax
+ movl $EBUSY, %edx
+ movl %ecx, %eax
+ cmovne %edx, %eax
ret
.size pthread_spin_trylock,.-pthread_spin_trylock
diff --git a/nptl/sysdeps/i386/pthread_spin_destroy.c b/nptl/sysdeps/i386/pthread_spin_destroy.c
deleted file mode 100644
index 4d0109c..0000000
--- a/nptl/sysdeps/i386/pthread_spin_destroy.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Copyright (C) 2002 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 "pthreadP.h"
-
-
-int
-pthread_spin_destroy (lock)
- pthread_spinlock_t *lock;
-{
- /* Nothing to do. */
- return 0;
-}
diff --git a/nptl/sysdeps/i386/pthreaddef.h b/nptl/sysdeps/i386/pthreaddef.h
index 6efa1b6..1fe9455 100644
--- a/nptl/sysdeps/i386/pthreaddef.h
+++ b/nptl/sysdeps/i386/pthreaddef.h
@@ -49,7 +49,3 @@
asm volatile ("movl %1, %%ebx; int $0x80" \
:: "a" (__NR_exit), "r" (val)); \
}
-#define gettid() \
- ({ int tid; \
- __asm __volatile ("int $0x80" : "=a" (tid) : "0" (__NR_gettid)); \
- tid; })