[4/5] gdb.threads/next-bp-other-thread.c: Ensure child thread is started.
Commit Message
Use a pthread_barrier to ensure the child thread is started before
the main thread gets to the first breakpoint.
---
gdb/testsuite/gdb.threads/next-bp-other-thread.c | 9 +++++++++
1 file changed, 9 insertions(+)
@@ -22,9 +22,13 @@
/* Always zero, used in breakpoint condition. */
volatile int global_zero;
+static pthread_barrier_t threads_started_barrier;
+
void *
child_function (void *arg)
{
+ pthread_barrier_wait (&threads_started_barrier);
+
while (1)
{
usleep (1); /* set breakpoint child here */
@@ -39,7 +43,12 @@ main (void)
pthread_t child_thread;
int res;
+ pthread_barrier_init (&threads_started_barrier, NULL, 2);
+
res = pthread_create (&child_thread, NULL, child_function, NULL);
+
+ pthread_barrier_wait (&threads_started_barrier);
+
sleep (2); /* set wait-thread breakpoint here */
exit (EXIT_SUCCESS);
}