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authorUlrich Drepper <drepper@redhat.com>2004-03-24 06:36:06 +0000
committerUlrich Drepper <drepper@redhat.com>2004-03-24 06:36:06 +0000
commit2c0b891afe29dd28d0e6d75e0da8681db7fd100d (patch)
tree06fead8fc58acefbe9a9ebe353f0d596e73522ad /nptl/init.c
parent565699e492f741bc4563c73046f457924c6f708a (diff)
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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.
Diffstat (limited to 'nptl/init.c')
-rw-r--r--nptl/init.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/nptl/init.c b/nptl/init.c
index f46e0bb531..47bb0a6f72 100644
--- a/nptl/init.c
+++ b/nptl/init.c
@@ -31,6 +31,7 @@
 #include <fork.h>
 #include <version.h>
 #include <shlib-compat.h>
+#include <smp.h>
 
 
 #ifndef __NR_set_tid_address
@@ -61,6 +62,9 @@ size_t __default_stacksize attribute_hidden;
 size_t __static_tls_size;
 size_t __static_tls_align_m1;
 
+/* Flag whether the machine is SMP or not.  */
+int __is_smp attribute_hidden;
+
 /* Version of the library, used in libthread_db to detect mismatches.  */
 static const char nptl_version[] __attribute_used__ = VERSION;
 
@@ -301,6 +305,9 @@ __pthread_initialize_minimal_internal (void)
 #endif
     __libc_pthread_init (&__fork_generation, __reclaim_stacks,
 			 ptr_pthread_functions);
+
+  /* Determine whether the machine is SMP or not.  */
+  __is_smp = is_smp_system ();
 }
 strong_alias (__pthread_initialize_minimal_internal,
 	      __pthread_initialize_minimal)