[lttng-dev] [PATCH lttng-ust 1/2] Fix: reset cached vpid context on fork

[Michael Jeanson]

We currently reset the cached vtid on fork but not the vpid. This is not
a problem on Linux because we don't cache the vpid internally but call
getpid() directly and rely on the glibc pid cache.

Signed-off-by: Michael Jeanson <mjeanson at efficios.com>
---
 liblttng-ust/lttng-ust-comm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/liblttng-ust/lttng-ust-comm.c b/liblttng-ust/lttng-ust-comm.c
index 4391446..d4add1c 100644
--- a/liblttng-ust/lttng-ust-comm.c
+++ b/liblttng-ust/lttng-ust-comm.c
@@ -2011,6 +2011,7 @@ void ust_after_fork_child(sigset_t *restore_sigset)
 {
 	if (URCU_TLS(lttng_ust_nest_count))
 		return;
+	lttng_context_vpid_reset();
 	lttng_context_vtid_reset();
 	DBG("process %d", getpid());
 	/* Release urcu mutexes */
-- 
2.7.4