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authorUlrich Drepper <drepper@redhat.com>2005-12-27 01:04:06 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-27 01:04:06 +0000
commit1bcfb5a5eb1c25b64a329c1edf6bcfb440cdbc93 (patch)
treeefa74fd1d0c2f6fccda616328a7b432ffdc6ba92 /nptl/descr.h
parent08f60b258ec9d9a24275831941a6f559eb26580e (diff)
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* Versions.def: Add GLIBC_2.4 for libpthread.cvs/fedora-glibc-20051227T1426
Diffstat (limited to 'nptl/descr.h')
-rw-r--r--nptl/descr.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/nptl/descr.h b/nptl/descr.h
index aaef9bc621..a9f830ef0b 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -134,6 +134,51 @@ struct pthread
/* Process ID - thread group ID in kernel speak. */
pid_t pid;
+ /* List of robust mutexes the thread is holding. */
+ pthread_mutex_t *robust_list;
+
+#ifdef __PTHREAD_MUTEX_HAVE_PREV
+# define ENQUEUE_MUTEX(mutex) \
+ do { \
+ mutex->__data.__next = THREAD_GETMEM (THREAD_SELF, robust_list); \
+ THREAD_SETMEM (THREAD_SELF, robust_list, mutex); \
+ if (mutex->__data.__next != NULL) \
+ mutex->__data.__next->__data.__prev = mutex; \
+ mutex->__data.__prev = NULL; \
+ } while (0)
+# define DEQUEUE_MUTEX(mutex) \
+ do { \
+ if (mutex->__data.__prev == NULL) \
+ THREAD_SETMEM (THREAD_SELF, robust_list, mutex->__data.__next); \
+ else \
+ mutex->__data.__prev->__data.__next = mutex->__data.__next; \
+ if (mutex->__data.__next != NULL) \
+ mutex->__data.__next->__data.__prev = mutex->__data.__prev; \
+ mutex->__data.__prev = NULL; \
+ mutex->__data.__next = NULL; \
+ } while (0)
+#else
+# define ENQUEUE_MUTEX(mutex) \
+ do { \
+ mutex->__data.__next = THREAD_GETMEM (THREAD_SELF, robust_list); \
+ THREAD_SETMEM (THREAD_SELF, robust_list, mutex); \
+ } while (0)
+# define DEQUEUE_MUTEX(mutex) \
+ do { \
+ pthread_mutex_t *runp = THREAD_GETMEM (THREAD_SELF, robust_list); \
+ if (runp == mutex) \
+ THREAD_SETMEM (THREAD_SELF, robust_list, runp->__data.__next); \
+ else \
+ { \
+ while (runp->__data.__next != mutex) \
+ runp = runp->__data.__next; \
+ \
+ runp->__data.__next = runp->__data.__next->__data.__next; \
+ mutex->__data.__next = NULL; \
+ } \
+ } while (0)
+#endif
+
/* List of cleanup buffers. */
struct _pthread_cleanup_buffer *cleanup;