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| author | Ulrich Drepper <drepper@redhat.com> | 2002-07-16 01:02:04 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-07-16 01:02:04 +0000 |
| commit | a99bfa85d82aecc3eb780779377a9e178e7189d2 (patch) | |
| tree | 682a57a683bcf9e64cf0230f4a3648d20aa49217 /linuxthreads/sysdeps/mips/pspinlock.c | |
| parent | 807bce82b385e7542f94a2fef994725b368a13b4 (diff) | |
| download | glibc-a99bfa85d82aecc3eb780779377a9e178e7189d2.zip glibc-a99bfa85d82aecc3eb780779377a9e178e7189d2.tar.gz glibc-a99bfa85d82aecc3eb780779377a9e178e7189d2.tar.bz2 | |
Update.
2002-07-02 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/atomicity.h: Don't include <sgidefs.h>. Always
use ll/sc.
* sysdeps/unix/sysv/linux/mips/sys/tas.h: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Set arch_minimum_kernel
to 2.4.0 for mips.
TLS fail if USE_TLS is not defined.
Diffstat (limited to 'linuxthreads/sysdeps/mips/pspinlock.c')
| -rw-r--r-- | linuxthreads/sysdeps/mips/pspinlock.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c index 1aa372b..7dd66af 100644 --- a/linuxthreads/sysdeps/mips/pspinlock.c +++ b/linuxthreads/sysdeps/mips/pspinlock.c @@ -19,12 +19,9 @@ #include <errno.h> #include <pthread.h> -#include <sgidefs.h> #include <sys/tas.h> #include "internals.h" -#if (_MIPS_ISA >= _MIPS_ISA_MIPS2) - /* This implementation is similar to the one used in the Linux kernel. */ int __pthread_spin_lock (pthread_spinlock_t *lock) @@ -34,10 +31,13 @@ __pthread_spin_lock (pthread_spinlock_t *lock) asm volatile ("\t\t\t# spin_lock\n" "1:\n\t" + ".set push\n\t" + ".set mips2\n\t" "ll %1,%3\n\t" "li %2,1\n\t" "bnez %1,1b\n\t" "sc %2,%0\n\t" + ".set pop\n\t" "beqz %2,1b" : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2) : "m" (*lock) @@ -46,17 +46,6 @@ __pthread_spin_lock (pthread_spinlock_t *lock) return 0; } -#else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */ - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - while (_test_and_set ((int *) lock, 1)); - return 0; -} - -#endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */ - weak_alias (__pthread_spin_lock, pthread_spin_lock) |