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author | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 00:53:12 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2002-11-28 00:53:12 +0000 |
commit | f78deea65fee170ed353a44764d53c55cced6000 (patch) | |
tree | 101e2929fc040529318fbfb55650dc43f93d0c87 /nptl/sysdeps/i386 | |
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')
-rw-r--r-- | nptl/sysdeps/i386/i686/pthread_spin_trylock.S | 14 | ||||
-rw-r--r-- | nptl/sysdeps/i386/pthread_spin_destroy.c | 29 | ||||
-rw-r--r-- | nptl/sysdeps/i386/pthreaddef.h | 4 |
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 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 diff --git a/nptl/sysdeps/i386/pthread_spin_destroy.c b/nptl/sysdeps/i386/pthread_spin_destroy.c deleted file mode 100644 index 4d0109cf02..0000000000 --- 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 6efa1b6d82..1fe9455848 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; }) |