Add thread-exit annotation.

[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.base / watch_thread_num.c

diff --git a/gdb/testsuite/gdb.base/watch_thread_num.c b/gdb/testsuite/gdb.base/watch_thread_num.c
index a5195c71f656637c36efee8838d5973145a00c9e..fe9d602476caf8b6a255c49eb3573c1cd16da631 100644 (file)
--- a/gdb/testsuite/gdb.base/watch_thread_num.c
+++ b/gdb/testsuite/gdb.base/watch_thread_num.c
@@ -29,6 +29,8 @@ void *thread_function (void *arg); /* Pointer to function executed by each threa
 
 static pthread_barrier_t threads_started_barrier;
 
+static pthread_barrier_t threads_started_barrier2;
+
 #define NUM 15
 
 static int num_threads = NUM;
@@ -43,6 +45,8 @@ int main () {
 
     pthread_barrier_init (&threads_started_barrier, NULL, NUM + 1);
 
+    pthread_barrier_init (&threads_started_barrier2, NULL, 2);
+
     for (i = 0; i < NUM; i++)
       {
         res = pthread_create (&threads[i],
@@ -53,7 +57,11 @@ int main () {
 
     pthread_barrier_wait (&threads_started_barrier);
 
-    sleep (180); /* all threads started */
+    pthread_barrier_wait (&threads_started_barrier2);  /* all threads started */
+
+    pthread_join (threads[0], NULL);
+
+    sleep (180);  /* first child thread exited */
 
     exit (EXIT_SUCCESS);
 }
@@ -68,13 +76,18 @@ void *thread_function (void *arg) {
 
     pthread_barrier_wait (&threads_started_barrier);
 
-    /* Don't run forever.  Run just short of it :)  */
-    while (shared_var > 0)
+    if (my_number > 0)
       {
-        shared_var++;
-       usleep (1); /* Loop increment.  */
-       loop ();
+       /* Don't run forever.  Run just short of it :)  */
+       while (shared_var > 0)
+         {
+           shared_var++;
+           usleep (1); /* Loop increment.  */
+           loop ();
+         }
       }
+    else
+      pthread_barrier_wait (&threads_started_barrier2);
 
     pthread_exit (NULL);
 }