Tests: Change syscall tests to use `gen-syscall-events` testapp

[lttng-tools.git] / tests / utils / utils.c

diff --git a/tests/utils/utils.c b/tests/utils/utils.c
index 0b9655247e81ba30604b88891e352ed553e960a5..c31417efbbc2190c6055ab786853e5de3496c933 100644 (file)
--- a/tests/utils/utils.c
+++ b/tests/utils/utils.c
@@ -15,13 +15,21 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#include <stdint.h>
+#include <assert.h>
 #include <common/compat/time.h>
 #include <common/time.h>
-#include <assert.h>
-#include <unistd.h>
-#include <stdio.h>
 #include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "utils.h"
 
 static inline
 int64_t elapsed_time_ns(struct timespec *t1, struct timespec *t2)
@@ -66,3 +74,61 @@ int usleep_safe(useconds_t usec)
 end:
        return ret;
 }
+
+int create_file(const char *path)
+{
+       int ret;
+
+       if (!path) {
+               return -1;
+       }
+
+       ret = creat(path, S_IRWXU);
+       if (ret < 0) {
+               perror("creat");
+               return -1;
+       }
+
+       ret = close(ret);
+       if (ret < 0) {
+               perror("close");
+               return -1;
+       }
+
+       return 0;
+}
+
+int wait_on_file(const char *path)
+{
+       int ret;
+       struct stat buf;
+
+       if (!path) {
+               return -1;
+       }
+
+       for (;;) {
+               ret = stat(path, &buf);
+               if (ret == -1 && errno == ENOENT) {
+                       ret = poll(NULL, 0, 10);        /* 10 ms delay */
+                       /* Should return 0 everytime */
+                       if (ret) {
+                               if (ret < 0) {
+                                       perror("perror");
+                               } else {
+                                       fprintf(stderr,
+                                               "poll return value is larger than zero\n");
+                               }
+                               return -1;
+                       }
+                       continue;                       /* retry */
+               }
+               if (ret) {
+                       perror("stat");
+                       return -1;
+               }
+               break;  /* found */
+       }
+
+       return 0;
+}