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2004-03-23 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/sysv/linux/smp.h: New file.
+ * sysdeps/unix/sysv/linux/sh/smp.h: New file.
+ * init.c: Define __is_smp.
+ (__pthread_initialize_minimal_internal): Call is_smp_system to
+ initialize __is_smp.
+ * pthreadP.h: Declare __is_smp.
+ Define MAX_ADAPTIVE_COUNT is necessary.
+ * pthread_mutex_init.c: Add comment regarding __spins field.
+ * pthread_mutex_lock.c: Implement adaptive mutex type.
+ * pthread_mutex_timedlock.c: Likewise.
+ * sysdeps/unix/sysv/linux/pthread_mutex_cond_lock.c: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h (pthread_mutex_t):
+ Add __spins field.
+ * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h: Define
+ lll_mutex_cond_trylock.
+ * sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/s390/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Likewise.
+ Define BUSY_WAIT_NOP.
+ * sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
+
+ * tst-mutex5.c: Add support for testing adaptive mutexes.
+ * tst-mutex7.c: Likewise.
+ * tst-mutex5a.c: New file.
+ * tst-mutex7a.c: New file.
+ * Makefile (tests): Add tst-mutex5a and tst-mutex7a.
+
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
(__lll_mutex_timedlock_wait): Preserve r8 and r9 since the
vgettimeofday call miht destroy the content.