1 files changed, 59 insertions, 0 deletions
diff --git a/regress/lib/libpthread/restart/read/read.c b/regress/lib/libpthread/restart/read/read.c
new file mode 100644
index 00000000000..581e65c9b71
--- /dev/null
+++ b/regress/lib/libpthread/restart/read/read.c
@@ -0,0 +1,59 @@
+/*	$OpenBSD: read.c,v 1.1 2011/09/13 23:50:17 fgsch Exp $	*/
+/*
+ * Federico G. Schwindt <fgsch@openbsd.org>, 2011. Public Domain.
+ */
+#include <sys/types.h>
+#include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
+#include "test.h"
+
+volatile sig_atomic_t hits = 0;
+
+void
+handler(int sig)
+{
+	hits++;
+}
+
+void *
+thr_read(void *arg)
+{
+	int fds[2];
+	char buf;
+
+	CHECKe(pipe(fds));
+	ASSERT(read(fds[0], &buf, 1) == -1);
+	return ((caddr_t)NULL + errno);
+}
+
+int
+main(int argc, char **argv)
+{
+	struct sigaction sa;
+	pthread_t tid;
+	void *retval;
+
+	bzero(&sa, sizeof(sa));
+	sa.sa_handler = handler;
+	sa.sa_flags = SA_RESTART;
+	CHECKe(sigaction(SIGUSR1, &sa, NULL));
+	sa.sa_flags = 0;
+	CHECKe(sigaction(SIGUSR2, &sa, NULL));
+
+	CHECKr(pthread_create(&tid, NULL, thr_read, NULL));
+	sleep(2);
+
+	/* Should restart it. */
+	CHECKr(pthread_kill(tid, SIGUSR1));
+	sleep(1);
+
+	/* Should interrupt it. */
+	CHECKr(pthread_kill(tid, SIGUSR2));
+	sleep(1);
+
+	CHECKr(pthread_join(tid, &retval));
+	ASSERT(retval == (void *)EINTR);
+	ASSERT(hits == 2);
+	SUCCEED;
+}