Add test for non-deferred signal handling in threads. pthreads code

that makes this test work is being tested.

2 files changed, 72 insertions, 0 deletions

diff --git a/regress/lib/libpthread/signodefer/Makefile b/regress/lib/libpthread/signodefer/Makefile
new file mode 100644
index 00000000000..52c04c28cd2
--- /dev/null
+++ b/regress/lib/libpthread/signodefer/Makefile
@@ -0,0 +1,5 @@
+# $OpenBSD: Makefile,v 1.1 2002/10/21 18:46:35 marc Exp $
+
+PROG=	signodefer
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libpthread/signodefer/signodefer.c b/regress/lib/libpthread/signodefer/signodefer.c
new file mode 100644
index 00000000000..dbc0561cac8
--- /dev/null
+++ b/regress/lib/libpthread/signodefer/signodefer.c
@@ -0,0 +1,67 @@
+/* $OpenBSD: signodefer.c,v 1.1 2002/10/21 18:46:35 marc Exp $ */
+/* PUBLIC DOMAIN Oct 2002 <marc@snafu.org> */
+
+/*
+ * test signal delivery of active signals (SA_NODEFER)
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "test.h"
+
+volatile sig_atomic_t sigactive;
+volatile sig_atomic_t sigcount;
+volatile sig_atomic_t was_active;
+
+void
+act_handler(int signal, siginfo_t *siginfo, void *context)
+{
+	char *str;
+
+	/* how many times has the handler been called */
+	was_active += sigactive++;
+	sigcount += 1;
+
+	/* verify siginfo since we asked for it. */
+	ASSERT(siginfo != NULL);
+
+	asprintf(&str,
+		 "%sact_handler/%d, signal %d, siginfo 0x%p, context 0x%p\n",
+		 was_active ? "[recurse] " : "",
+		 sigcount, signal, siginfo, context);
+	CHECKe(write(STDOUT_FILENO, str, strlen(str)));
+	/* Odd times entered send ourself the same signal */
+	if (sigcount & 1)
+		CHECKe(kill(getpid(), SIGUSR1));
+
+	sigactive = 0;
+}
+ 
+int
+main(int argc, char **argv)
+{
+	struct sigaction act;
+
+	act.sa_sigaction = act_handler;
+	sigemptyset(&act.sa_mask);
+	act.sa_flags = SA_SIGINFO;
+	ASSERT(sigaction(SIGUSR1, &act, NULL) == 0);
+
+	/* see if the signal handler recurses */
+	CHECKe(kill(getpid(), SIGUSR1));
+	sleep(1);
+        ASSERT(was_active == 0);
+	
+	/* allow recursive handlers, see that it is handled right */
+	act.sa_flags |= SA_NODEFER;
+	ASSERT(sigaction(SIGUSR1, &act, NULL) == 0);
+
+	/* see if the signal handler recurses */
+	CHECKe(kill(getpid(), SIGUSR1));
+	sleep(1);
+	ASSERT(was_active == 1);
+	
+	SUCCEED;
+}