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* [binutils-gdb] gdb.threads/next-bp-other-thread.c: Ensure child thread is started.
@ 2023-03-07 0:58 John Baldwin
0 siblings, 0 replies; only message in thread
From: John Baldwin @ 2023-03-07 0:58 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f173b2fc9d03d9e56376ed9ad4c06e82949060dd
commit f173b2fc9d03d9e56376ed9ad4c06e82949060dd
Author: John Baldwin <jhb@FreeBSD.org>
Date: Mon Mar 6 16:55:22 2023 -0800
gdb.threads/next-bp-other-thread.c: Ensure child thread is started.
Use a pthread_barrier to ensure the child thread is started before
the main thread gets to the first breakpoint.
Diff:
---
gdb/testsuite/gdb.threads/next-bp-other-thread.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/gdb/testsuite/gdb.threads/next-bp-other-thread.c b/gdb/testsuite/gdb.threads/next-bp-other-thread.c
index 60aa029464c..33c6ec11982 100644
--- a/gdb/testsuite/gdb.threads/next-bp-other-thread.c
+++ b/gdb/testsuite/gdb.threads/next-bp-other-thread.c
@@ -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);
}
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