From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@uclibc-ng.org>
Date: Mon, 24 Oct 2016 20:22:12 +0200
Subject: add uClibc-ng test directory

---
 test/signal/signal.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 test/signal/signal.c

(limited to 'test/signal/signal.c')

diff --git a/test/signal/signal.c b/test/signal/signal.c
new file mode 100644
index 0000000..01d1a78
--- /dev/null
+++ b/test/signal/signal.c
@@ -0,0 +1,95 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * signal testing function for uClibc
+ * Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <fcntl.h>
+#include <signal.h>
+
+
+/* -------------------------------------------------*/
+/* This stuff is common to all the testing routines */
+/* -------------------------------------------------*/
+const char *it = "<UNSET>";		/* Routine name for message routines. */
+size_t errors = 0;
+
+static void check(int thing, int number)
+{
+	if (!thing) {
+		printf("%s: flunked test %d\n", it, number);
+		++errors;
+	}
+}
+
+#if 0
+static void equal(const char *a, const char *b, int number)
+{
+	check(a != NULL && b != NULL && (strcmp(a, b) == 0), number);
+}
+#endif
+
+
+/* -------------------------------------------------*/
+/* Let the tests begin....                          */
+/* -------------------------------------------------*/
+
+int global_int = 0;
+
+static void set_global_int_to_one(int signum)
+{
+	printf ("Received signal %d (%s).\n", signum, strsignal(signum));
+	global_int = 1;
+	return;
+}
+
+static void signal_test_1(void)
+{
+	global_int = 0;
+
+	it = "global variable set from signal handler";
+	if (signal(SIGUSR1, set_global_int_to_one) == SIG_ERR) {
+		perror("signal(SIGUSR1) failed");
+		exit(-1);
+	}
+	raise(SIGUSR1);
+
+	/* This should already have jumped to the signal handler */
+	check((global_int == 1), 1);
+
+	global_int = 0;
+	if (signal(SIGUSR1, SIG_IGN) == SIG_ERR) {
+		perror("signal(SIGUSR1) failed");
+		exit(-1);
+	}
+	raise(SIGUSR1);
+	/* This should not go to the signal handler this time since we  */
+	check((global_int == 0), 1);
+}
+
+
+int main(void)
+{
+	int status;
+
+	signal_test_1();
+
+	if (errors == 0) {
+		status = EXIT_SUCCESS;
+		printf("No errors.\n");
+	} else {
+		status = EXIT_FAILURE;
+		printf("%lu errors.\n", (unsigned long)errors);
+	}
+	exit(status);
+}
-- 
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