From 2c0b891afe29dd28d0e6d75e0da8681db7fd100d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 24 Mar 2004 06:36:06 +0000 Subject: Update. * 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. --- nptl/pthreadP.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'nptl/pthreadP.h') diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 560457908a..ba9529f01b 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -45,6 +45,12 @@ #endif +/* Adaptive mutex definitions. */ +#ifndef MAX_ADAPTIVE_COUNT +# define MAX_ADAPTIVE_COUNT 100 +#endif + + /* Internal variables. */ @@ -55,6 +61,9 @@ extern size_t __default_stacksize attribute_hidden; extern size_t __static_tls_size attribute_hidden; extern size_t __static_tls_align_m1 attribute_hidden; +/* Flag whether the machine is SMP or not. */ +extern int __is_smp attribute_hidden; + /* Thread descriptor handling. */ extern list_t __stack_user; hidden_proto (__stack_user) -- cgit v1.2.3