1 files changed, 59 insertions, 0 deletions
diff --git a/lib/libproc/tests/target_prog.c b/lib/libproc/tests/target_prog.c
new file mode 100644
index 0000000..1edf0de
--- /dev/null
+++ b/lib/libproc/tests/target_prog.c
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2014 Mark Johnston <markj@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <err.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static volatile sig_atomic_t saw;
+
+static void
+usr1(int sig __unused)
+{
+
+	saw = 1;
+}
+
+int
+main(int argc, char **argv)
+{
+
+	if (argc == 1)
+		return (EXIT_SUCCESS);
+	if (argc == 2 && strcmp(argv[1], "-s") == 0) {
+		if (signal(SIGUSR1, usr1) == SIG_ERR)
+			err(1, "signal");
+		if (kill(getpid(), SIGUSR1) != 0)
+			err(1, "kill");
+		return (saw == 1 ? EXIT_SUCCESS : EXIT_FAILURE);
+	}
+	return (EXIT_FAILURE);
+}