From: Jan Kiszka <jan.kis...@siemens.com>
Use pthread_kill instead of process-wide kill to invoke the signal
handler used for stack switching. This may fix spurious lock-ups with
this backend, easily triggerable by extending the time window between
kill and sigsuspend.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
coroutine-sigaltstack.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/coroutine-sigaltstack.c b/coroutine-sigaltstack.c
index 7ff2d33..b2e316c 100644
--- a/coroutine-sigaltstack.c
+++ b/coroutine-sigaltstack.c
@@ -226,7 +226,7 @@ static Coroutine *coroutine_new(void)
* called.
*/
coTS->tr_called = 0;
- kill(getpid(), SIGUSR2);
+ pthread_kill(pthread_self(), SIGUSR2);
sigfillset(&sigs);
sigdelset(&sigs, SIGUSR2);
while (!coTS->tr_called) {
--
1.7.6.5
