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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/sysdeps/unix/sysv/linux/ia64
parent565699e492f741bc4563c73046f457924c6f708a (diff)
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/sysdeps/unix/sysv/linux/ia64')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h10
2 files changed, 11 insertions, 2 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
index 6cd6c05705..e4c15d1e20 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/bits/pthreadtypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -56,6 +56,7 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
+ int __spins;
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
index e462776c02..6ed21fdc14 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -31,6 +31,9 @@
#define FUTEX_WAKE 1
#define FUTEX_REQUEUE 3
+/* Delay in spinlock loop. */
+#define BUSY_WAIT_NOP asm ("hint @pause")
+
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -62,6 +65,11 @@
#define lll_mutex_trylock(futex) __lll_mutex_trylock (&(futex))
+#define __lll_mutex_cond_trylock(futex) \
+ (atomic_compare_and_exchange_val_acq (futex, 2, 0) != 0)
+#define lll_mutex_cond_trylock(futex) __lll_mutex_cond_trylock (&(futex))
+
+
extern void __lll_lock_wait (int *futex) attribute_hidden;