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path: root/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
index 7bb9191691..1a088e27b1 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
@@ -78,6 +78,7 @@ __lll_robust_mutex_lock_wait:
jne 4b
movl %fs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
LOCK
cmpxchgl %edx, (%rdi)
jnz 4b
@@ -169,6 +170,7 @@ __lll_robust_mutex_timedlock_wait:
jne 7f
movl %fs:TID, %edx
+ orl $FUTEX_WAITERS, %edx
LOCK
cmpxchgl %edx, (%r12)
jnz 7f