.gitignore: ignore local vscode workspace settings file

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

diff --git a/tests/utils/utils.c b/tests/utils/utils.c
deleted file mode 100644 (file)
index e7bd9ce..0000000
--- a/tests/utils/utils.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) - 2015 Jérémie Galarneau <jeremie.galarneau@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 <stdint.h>
-#include <time.h>
-#include <assert.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-
-#define NSEC_PER_SEC 1000000000ULL
-#define NSEC_PER_USEC 1000ULL
-
-static inline
-int64_t elapsed_time_ns(struct timespec *t1, struct timespec *t2)
-{
-       struct timespec delta;
-
-       assert(t1 && t2);
-       delta.tv_sec = t2->tv_sec - t1->tv_sec;
-       delta.tv_nsec = t2->tv_nsec - t1->tv_nsec;
-       return ((int64_t) NSEC_PER_SEC * (int64_t) delta.tv_sec) +
-                       (int64_t) delta.tv_nsec;
-}
-
-int usleep_safe(useconds_t usec)
-{
-       int ret = 0;
-       struct timespec t1, t2;
-       int64_t time_remaining_ns = (int64_t) usec * (int64_t) NSEC_PER_USEC;
-
-       ret = clock_gettime(CLOCK_MONOTONIC, &t1);
-       if (ret) {
-               ret = -1;
-               perror("clock_gettime");
-               goto end;
-       }
-
-       while (time_remaining_ns > 0) {
-               ret = usleep(time_remaining_ns / (int64_t) NSEC_PER_USEC);
-               if (ret && errno != EINTR) {
-                       perror("usleep");
-                       goto end;
-               }
-
-               ret = clock_gettime(CLOCK_MONOTONIC, &t2);
-               if (ret) {
-                       perror("clock_gettime");
-                       goto end;
-               }
-
-               time_remaining_ns -= elapsed_time_ns(&t1, &t2);
-       }
-end:
-       return ret;
-}