Test some signal handling

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/libc_r/TEST/test_signal.c b/lib/libc_r/TEST/test_signal.c
new file mode 100644
index 00000000000..2661d4aff89
--- /dev/null
+++ b/lib/libc_r/TEST/test_signal.c
@@ -0,0 +1,48 @@
+/* $OpenBSD: test_signal.c,v 1.1 2000/01/04 00:17:46 d Exp $ */
+
+/*
+ * This program tests signal handler re-entrancy.
+ */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include "test.h"
+
+void *
+sleeper(arg)
+	void *arg;
+{
+	sigset_t mask;
+
+	/* Ignore all signals in this thread */
+	sigfillset(&mask);
+	CHECKe(sigprocmask(SIG_SETMASK, &mask, NULL));
+
+	ASSERT(sleep(10) == 0);
+	SUCCEED;
+}
+
+void
+handler(sig)
+	int sig;
+{
+	printf("signal handler %d\n", sig);
+	alarm(1);
+	signal(SIGALRM, handler);
+}
+
+int
+main()
+{
+	pthread_t slpr;
+
+	ASSERT(signal(SIGALRM, handler) != SIG_ERR);
+	CHECKe(alarm(1));
+	/* CHECKr(pthread_create(&slpr, NULL, sleeper, NULL)); */
+	/* ASSERT(sleep(1) == 0); */
+	for (;;)
+		CHECKe(write(STDOUT_FILENO, ".", 1));
+}