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authorUlrich Drepper <drepper@redhat.com>2007-05-25 05:24:16 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-25 05:24:16 +0000
commit86acd5963441f4bfc087ceca8c30f8d72c6a5fa6 (patch)
tree1acc784992aafa1c297cc98232d609166f57d306 /nptl
parent0a54ab53f2bbbd380b019dc665047fb3acf37e3a (diff)
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* sysdeps/i386/tls.h (THREAD_SET_PRIVATE_FUTEX,
THREAD_COPY_PRIVATE_FUTEX): Define. * sysdeps/x86_64/tls.h (THREAD_SET_PRIVATE_FUTEX, THREAD_COPY_PRIVATE_FUTEX): Define. * allocatestack.c (allocate_stack): Use THREAD_COPY_PRIVATE_FUTEX. * init.c (__pthread_initialize_minimal_internal): Use THREAD_SET_PRIVATE_FUTEX.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog10
-rw-r--r--nptl/allocatestack.c10
-rw-r--r--nptl/init.c4
-rw-r--r--nptl/sysdeps/i386/tls.h9
-rw-r--r--nptl/sysdeps/x86_64/tls.h7
5 files changed, 31 insertions, 9 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 50042d6..4ebc708 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,4 +1,12 @@
-2007-05-24 Jakub Jelinek <jakub@redhat.com>
+2007-04-24 Jakub Jelinek <jakub@redhat.com>
+
+ * sysdeps/i386/tls.h (THREAD_SET_PRIVATE_FUTEX,
+ THREAD_COPY_PRIVATE_FUTEX): Define.
+ * sysdeps/x86_64/tls.h (THREAD_SET_PRIVATE_FUTEX,
+ THREAD_COPY_PRIVATE_FUTEX): Define.
+ * allocatestack.c (allocate_stack): Use THREAD_COPY_PRIVATE_FUTEX.
+ * init.c (__pthread_initialize_minimal_internal): Use
+ THREAD_SET_PRIVATE_FUTEX.
* sysdeps/powerpc/tls.h (tcbhead_t): Add gscope_flag.
(THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED,
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index 9c9372b..4ac04db 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -376,10 +376,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
__pthread_multiple_threads = *__libc_multiple_threads_ptr = 1;
#endif
-#ifndef __ASSUME_PRIVATE_FUTEX
+#ifdef THREAD_COPY_PRIVATE_FUTEX
/* The thread must know when private futexes are supported. */
- pd->header.private_futex = THREAD_GETMEM (THREAD_SELF,
- header.private_futex);
+ THREAD_COPY_PRIVATE_FUTEX (pd);
#endif
#ifdef NEED_DL_SYSINFO
@@ -516,10 +515,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
__pthread_multiple_threads = *__libc_multiple_threads_ptr = 1;
#endif
-#ifndef __ASSUME_PRIVATE_FUTEX
+#ifdef THREAD_COPY_PRIVATE_FUTEX
/* The thread must know when private futexes are supported. */
- pd->header.private_futex = THREAD_GETMEM (THREAD_SELF,
- header.private_futex);
+ THREAD_COPY_PRIVATE_FUTEX (pd);
#endif
#ifdef NEED_DL_SYSINFO
diff --git a/nptl/init.c b/nptl/init.c
index ff81087..03862a1 100644
--- a/nptl/init.c
+++ b/nptl/init.c
@@ -276,7 +276,7 @@ __pthread_initialize_minimal_internal (void)
#endif
set_robust_list_not_avail ();
-#ifndef __ASSUME_PRIVATE_FUTEX
+#ifdef THREAD_SET_PRIVATE_FUTEX
/* Private futexes are always used (at least internally) so that
doing the test once this early is beneficial. */
{
@@ -284,7 +284,7 @@ __pthread_initialize_minimal_internal (void)
res = INTERNAL_SYSCALL (futex, err, 3, &word,
FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1);
if (!INTERNAL_SYSCALL_ERROR_P (res, err))
- THREAD_SETMEM (pd, header.private_futex, FUTEX_PRIVATE_FLAG);
+ THREAD_SET_PRIVATE_FUTEX (pd, FUTEX_PRIVATE_FLAG);
}
#endif
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h
index 41e4327..90a8b50 100644
--- a/nptl/sysdeps/i386/tls.h
+++ b/nptl/sysdeps/i386/tls.h
@@ -459,6 +459,15 @@ union user_desc_init
GL(dl_wait_lookup_done) ()
+#ifndef __ASSUME_PRIVATE_FUTEX
+# define THREAD_SET_PRIVATE_FUTEX(value) \
+ THREAD_SETMEM (THREAD_SELF, header.private_futex, value)
+# define THREAD_COPY_PRIVATE_FUTEX(descr) \
+ ((descr)->header.private_futex \
+ = THREAD_GETMEM (THREAD_SELF, header.private_futex))
+#endif
+
+
#endif /* __ASSEMBLER__ */
#endif /* tls.h */
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index ab6efc4..cb3b474 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -364,6 +364,13 @@ typedef struct
#define THREAD_GSCOPE_WAIT() \
GL(dl_wait_lookup_done) ()
+#ifndef __ASSUME_PRIVATE_FUTEX
+# define THREAD_SET_PRIVATE_FUTEX(value) \
+ THREAD_SETMEM (THREAD_SELF, header.private_futex, value)
+# define THREAD_COPY_PRIVATE_FUTEX(descr) \
+ ((descr)->header.private_futex \
+ = THREAD_GETMEM (THREAD_SELF, header.private_futex))
+#endif
#endif /* __ASSEMBLER__ */