diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-02-27 18:13:05 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2003-02-27 18:13:05 +0000 |
commit | 187dd78d7bd1c03fcf16e54a30314512d38e1a4a (patch) | |
tree | 9780638e5286b40da74a128c9f540a9ea720862f /libc/sysdeps | |
parent | d4d6e2c50565da18253cd0d6f3332484142b6587 (diff) |
Major update for pthreads, based in large part on improvements
from glibc 2.3. This should make threads much more efficient.
-Erik
Diffstat (limited to 'libc/sysdeps')
-rw-r--r-- | libc/sysdeps/linux/common/bits/initspin.h | 15 | ||||
-rw-r--r-- | libc/sysdeps/linux/common/bits/pthreadtypes.h | 4 |
2 files changed, 9 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/common/bits/initspin.h b/libc/sysdeps/linux/common/bits/initspin.h index 257fed3c5..a19ec077e 100644 --- a/libc/sysdeps/linux/common/bits/initspin.h +++ b/libc/sysdeps/linux/common/bits/initspin.h @@ -3,16 +3,16 @@ This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the + 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 - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public + You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ @@ -20,8 +20,9 @@ /* Initial value of a spinlock. Most platforms should use zero, unless they only implement a "test and clear" operation instead of the usual "test and set". */ -#define __ATOMIC_LOCK_INIT 0 +#define __LT_SPINLOCK_INIT 0 /* Macros for lock initializers, using the above definition. */ -#define __LOCK_INITIALIZER { 0, 0 } -#define __ATOMIC_INITIALIZER { 0, 0 } +#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT } +#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT } diff --git a/libc/sysdeps/linux/common/bits/pthreadtypes.h b/libc/sysdeps/linux/common/bits/pthreadtypes.h index 441734c9d..3ee5c4813 100644 --- a/libc/sysdeps/linux/common/bits/pthreadtypes.h +++ b/libc/sysdeps/linux/common/bits/pthreadtypes.h @@ -22,13 +22,11 @@ #define __need_schedparam #include <bits/sched.h> -typedef int __atomic_lock_t; - /* Fast locks (not abstract because mutexes and conditions aren't abstract). */ struct _pthread_fastlock { long int __status; /* "Free" or "taken" or head of waiting list */ - __atomic_lock_t __spinlock; /* Used by compare_and_swap emulation. Also, + int __spinlock; /* Used by compare_and_swap emulation. Also, adaptive SMP lock stores spin count here. */ }; |