X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Fust%2Ffork%2Ffork.c;fp=tests%2Fregression%2Fust%2Ffork%2Ffork.c;h=744e9203e9dfb65e891d6f518cc7cfe679df01d4;hp=0000000000000000000000000000000000000000;hb=37bd6c8e4c4a3d7054d97627e4fb4bef1d4612a6;hpb=ee28adfb4b4f5a6b24f4d23024ed256af37060c6

diff --git a/tests/regression/ust/fork/fork.c b/tests/regression/ust/fork/fork.c
new file mode 100644
index 000000000..744e9203e
--- /dev/null
+++ b/tests/regression/ust/fork/fork.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009  Pierre-Marc Fournier
+ * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1 of
+ * the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <stdlib.h>
+
+#define TRACEPOINT_DEFINE
+#define TRACEPOINT_CREATE_PROBES
+#include "ust_tests_fork.h"
+
+int main(int argc, char **argv, char *env[])
+{
+	int result;
+
+	if (argc < 2) {
+		fprintf(stderr, "usage: fork PROG_TO_EXEC\n");
+		exit(1);
+	}
+
+	printf("parent_pid %d\n", getpid());
+	tracepoint(ust_tests_fork, before_fork, getpid());
+
+	result = fork();
+	if (result == -1) {
+		perror("fork");
+		return 1;
+	}
+	if (result == 0) {
+		char *args[] = { "fork2", NULL };
+
+		tracepoint(ust_tests_fork, after_fork_child, getpid());
+
+		result = execve(argv[1], args, env);
+		if (result == -1) {
+			perror("execve");
+			return 1;
+		}
+	} else {
+		printf("child_pid %d\n", result);
+		tracepoint(ust_tests_fork, after_fork_parent, getpid());
+	}
+
+	return 0;
+}