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2.3.90-38

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This commit is contained in:
Jakub Jelinek 2006-02-17 17:00:52 +00:00
parent 7cded629f3
commit 4779efd52d
1 changed files with 8 additions and 7 deletions
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15
glibc-fedora.patch
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@ -1466,17 +1466,18 @@
static inline void __attribute__ ((always_inline))
__lll_mutex_unlock (int *futex)
{
@@ -152,6 +201,16 @@ __lll_mutex_unlock (int *futex)
@@ -152,6 +201,17 @@ __lll_mutex_unlock (int *futex)
static inline void __attribute__ ((always_inline))
+__lll_robust_mutex_unlock (int *futex)
+__lll_robust_mutex_unlock (int *futex, int mask)
+{
+ int val = atomic_exchange_rel (futex, 0);
+ if (__builtin_expect (val & FUTEX_WAITERS, 0))
+ if (__builtin_expect (val & mask, 0))
+ lll_futex_wake (futex, 1);
+}
+#define lll_robust_mutex_unlock(futex) __lll_robust_mutex_unlock(&(futex))
+#define lll_robust_mutex_unlock(futex) \
+ __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS)
+
+
+static inline void __attribute__ ((always_inline))
@ -1866,17 +1867,17 @@
static inline void
__attribute__ ((always_inline))
+__lll_robust_mutex_unlock (int *futex)
+__lll_robust_mutex_unlock (int *futex, int mask)
+{
+ int oldval;
+ int newval = 0;
+
+ lll_compare_and_swap (futex, oldval, newval, "slr %2,%2");
+ if (oldval & FUTEX_WAITERS)
+ if (oldval & mask)
+ lll_futex_wake (futex, 1);
+}
+#define lll_robust_mutex_unlock(futex) \
+ __lll_robust_mutex_unlock(&(futex))
+ __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS)
+
+
+static inline void