[Libguestfs] [PATCH] df: unlock retire_mutex on early exit
Pino Toscano
ptoscano at redhat.com
Fri Aug 8 15:21:17 UTC 2014
If pthread_cond_wait fails and the thread worker ends, make sure to
unlock retire_mutex, which has been locked for the condition.
The return value of pthread_mutex_unlock is ignored, as there's nothing
that can be done with it at that point.
---
df/parallel.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/df/parallel.c b/df/parallel.c
index 047735e..6d2e1cf 100644
--- a/df/parallel.c
+++ b/df/parallel.c
@@ -33,6 +33,8 @@
#include <libvirt/virterror.h>
#endif
+#include "ignore-value.h"
+
#include "guestfs.h"
#include "guestfs-internal-frontend.h"
#include "options.h"
@@ -224,6 +226,7 @@ worker_thread (void *thread_data_vp)
if (err != 0) {
thread_failure ("pthread_cond_wait", err);
thread_data->r = -1;
+ ignore_value (pthread_mutex_unlock (&retire_mutex));
return &thread_data->r;
}
}
--
1.9.3
More information about the Libguestfs
mailing list