From: "Emilio G. Cota" <c...@braap.org>
Signed-off-by: Emilio G. Cota <c...@braap.org>
Message-Id: <1440375847-17603-12-git-send-email-c...@braap.org>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
util/qemu-thread-posix.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index ba67cec..d529405 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -298,7 +298,16 @@ static inline void futex_wake(QemuEvent *ev, int n)
static inline void futex_wait(QemuEvent *ev, unsigned val)
{
- futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0);
+ while (futex(ev, FUTEX_WAIT, (int) val, NULL, NULL, 0)) {
+ switch (errno) {
+ case EWOULDBLOCK:
+ return;
+ case EINTR:
+ break; /* get out of switch and retry */
+ default:
+ abort();
+ }
+ }
}
#else
static inline void futex_wake(QemuEvent *ev, int n)
--
2.4.3
