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authorUlrich Drepper <drepper@redhat.com>2003-03-12 05:45:00 +0000
committerUlrich Drepper <drepper@redhat.com>2003-03-12 05:45:00 +0000
commit5a03acfe371193faace69e5517864ba3b9fc2b9f (patch)
tree7d92152ecdd4461da2692f4fa399609341eac44a /nptl/sysdeps/pthread/createthread.c
parentb874af999547ee4e7688fc07710786131eef7d1b (diff)
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Update.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Fix asm syntax.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.

	* sysdeps/x86_64/tls.h (THREAD_SELF, THREAD_GETMEM, THREAD_GETMEM_NC,
	THREAD_SETMEM, THREAD_SETMEM_NC): Correct asm syntax.

	* allocatestack.c [! TLS_MULTIPLE_THREADS_IN_TCB] (allocate_stack):
	Initialize *__libc_multiple_threads_ptr not __libc_multiple_threads.
	* sysdeps/pthread/createthread.c [! TLS_MULTIPLE_THREADS_IN_TCB]
	(create_thread): Likewise.
	Define __pthread_multiple_threads and __libc_multiple_threads_ptr.
	* init.c (__pthread_initialize_minimal_internal): Initialize
	__libc_multiple_threads_ptr if necessary.
	* pthreadP.h: Adjust prototype for __libc_pthread_init.  Declare
	__pthread_multiple_threads and __libc_multiple_threads_ptr.
	* sysdeps/unix/sysv/linux/libc_pthread_init.c: Define
	__libc_multiple_threads.
	(__libc_pthread_init): Return pointer to __libc_pthread_init if
	necessary.

	* sysdeps/i386/tls.h (THREAD_SETMEM): Fix one-byte variant.
	(THREAD_SETMEM_NC): Likewise.

	* sysdeps/x86_64/pthread_spin_trylock.c: Removed.
	* sysdeps/x86_64/pthread_spin_trylock.S: New file.
	* sysdeps/x86_64/pthread_spin_unlock.c: Removed.
	* sysdeps/x86_64/pthread_spin_unlock.S: New file.

	* sysdeps/i386/i486/pthread_spin_trylock.S (pthread_spin_trylock):
	Eliminate one entire instruction.
Diffstat (limited to 'nptl/sysdeps/pthread/createthread.c')
-rw-r--r--nptl/sysdeps/pthread/createthread.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/nptl/sysdeps/pthread/createthread.c b/nptl/sysdeps/pthread/createthread.c
index 0223fa868f..4ee92afec4 100644
--- a/nptl/sysdeps/pthread/createthread.c
+++ b/nptl/sysdeps/pthread/createthread.c
@@ -39,6 +39,14 @@
 #endif
 
 
+#ifndef TLS_MULTIPLE_THREADS_IN_TCB
+/* Variable set to a nonzero value if more than one thread runs or ran.  */
+int __pthread_multiple_threads attribute_hidden;
+/* Pointer to the corresponding variable in libc.  */
+int *__libc_multiple_threads_ptr attribute_hidden;
+#endif
+
+
 static int
 create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
 {
@@ -79,7 +87,7 @@ create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
 	  /* We now have for sure more than one thread.  */
 	  pd->multiple_threads = 1;
 #else
-	  __pthread_multiple_threads = __libc_multiple_threads = 1;
+	  __pthread_multiple_threads = *__libc_multiple_threads_ptr = 1;
 #endif
 
 	  /* Now fill in the information about the new thread in