diff options
author | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 00:53:12 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 00:53:12 +0000 |
commit | f78deea65fee170ed353a44764d53c55cced6000 (patch) | |
tree | 101e2929fc040529318fbfb55650dc43f93d0c87 /nptl/sysdeps/i386/i686 | |
parent | 6291ee3c5fa34e3b1a9df315f24268b91c8ec89b (diff) | |
download | glibc-f78deea65fee170ed353a44764d53c55cced6000.tar.gz glibc-f78deea65fee170ed353a44764d53c55cced6000.tar.xz glibc-f78deea65fee170ed353a44764d53c55cced6000.zip |
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/i686')
-rw-r--r-- | nptl/sysdeps/i386/i686/pthread_spin_trylock.S | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/nptl/sysdeps/i386/i686/pthread_spin_trylock.S b/nptl/sysdeps/i386/i686/pthread_spin_trylock.S index 881976c4fe..2ab83e6969 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 |