X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=tests%2Futils%2Ftestapp%2Fgen-ust-events%2Fgen-ust-events.c;h=3be0f0f1130958769e8d9298a1945fd441af6742;hb=0fc2834cb1892927708c858baf0147f1cddd1219;hp=edf40eee42a1c3dcbf224adb2f08e0720a6040d4;hpb=7e0cc23bbca1f5102cae78a7cabe48d8ef947366;p=lttng-tools.git

diff --git a/tests/utils/testapp/gen-ust-events/gen-ust-events.c b/tests/utils/testapp/gen-ust-events/gen-ust-events.c
index edf40eee4..3be0f0f11 100644
--- a/tests/utils/testapp/gen-ust-events/gen-ust-events.c
+++ b/tests/utils/testapp/gen-ust-events/gen-ust-events.c
@@ -15,7 +15,10 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#define _LGPL_SOURCE
+#include <assert.h>
 #include <arpa/inet.h>
+#include <fcntl.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -24,33 +27,67 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <stdbool.h>
 
 #define TRACEPOINT_DEFINE
 #include "tp.h"
 
+void create_file(const char *path)
+{
+	int ret;
+
+	assert(path);
+
+	ret = creat(path, S_IRWXU);
+	if (ret < 0) {
+		fprintf(stderr, "Failed to create file %s\n", path);
+		return;
+	}
+
+	(void) close(ret);
+}
+
 int main(int argc, char **argv)
 {
-	int i, netint;
+	unsigned int i, netint;
 	long values[] = { 1, 2, 3 };
 	char text[10] = "test";
 	double dbl = 2.0;
 	float flt = 2222.0;
-	unsigned int nr_iter = 100;
+	int nr_iter = 100;
 	useconds_t nr_usec = 0;
+	char *tmp_file_path = NULL;
+	bool file_created = false;
 
 	if (argc >= 2) {
+		/*
+		 * If nr_iter is negative, do an infinite tracing loop.
+		 */
 		nr_iter = atoi(argv[1]);
 	}
 
-	if (argc == 3) {
+	if (argc >= 3) {
 		/* By default, don't wait unless user specifies. */
 		nr_usec = atoi(argv[2]);
 	}
 
-	for (i = 0; i < nr_iter; i++) {
+	if (argc >= 4) {
+		tmp_file_path = argv[3];
+	}
+
+	for (i = 0; nr_iter < 0 || i < nr_iter; i++) {
 		netint = htonl(i);
-		tracepoint(tp, tptest, i, netint, values, text, strlen(text),
-			   dbl, flt);
+		tracepoint(tp, tptest, i, netint, values, text, strlen(text), dbl,
+				flt);
+
+		/*
+		 * First loop we create the file if asked to indicate that at least one
+		 * tracepoint has been hit.
+		 */
+		if (!file_created && tmp_file_path) {
+			create_file(tmp_file_path);
+			file_created = true;
+		}
 		usleep(nr_usec);
 	}