From 5622f1dae10cf393bc1b142573ce5bf446334816 Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.de.marchi@gmail.com>
Date: Fri, 3 Jun 2022 14:50:43 -0700
Subject: [PATCH] util: Add time-related functions from testsuite

This will be useful in future not only to testsuite, but also to tools
and library.

Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
---
 shared/util.c         | 10 ++++++++++
 shared/util.h         |  8 ++++++++
 testsuite/testsuite.c | 14 +-------------
 3 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/shared/util.c b/shared/util.c
index b487b5f5..aeb171f1 100644
--- a/shared/util.c
+++ b/shared/util.c
@@ -466,6 +466,16 @@ unsigned long long ts_usec(const struct timespec *ts)
 	       (unsigned long long) ts->tv_nsec / NSEC_PER_USEC;
 }
 
+unsigned long long now_usec(void)
+{
+	struct timespec ts;
+
+	if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
+		return 0;
+
+	return ts_usec(&ts);
+}
+
 unsigned long long stat_mstamp(const struct stat *st)
 {
 #ifdef HAVE_STRUCT_STAT_ST_MTIM
diff --git a/shared/util.h b/shared/util.h
index c6a31dfb..734a5234 100644
--- a/shared/util.h
+++ b/shared/util.h
@@ -7,6 +7,7 @@
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <time.h>
 
 #include <shared/macro.h>
 
@@ -42,7 +43,14 @@ char *path_make_absolute_cwd(const char *p) _must_check_ __attribute__((nonnull(
 int mkdir_p(const char *path, int len, mode_t mode);
 int mkdir_parents(const char *path, mode_t mode);
 unsigned long long stat_mstamp(const struct stat *st);
+
+/* time-related functions
+ * ************************************************************************ */
+#define USEC_PER_SEC	1000000ULL
+#define USEC_PER_MSEC	1000ULL
+
 unsigned long long ts_usec(const struct timespec *ts);
+unsigned long long now_usec(void);
 
 /* endianess and alignments                                                 */
 /* ************************************************************************ */
diff --git a/testsuite/testsuite.c b/testsuite/testsuite.c
index 05df5538..6a2d2967 100644
--- a/testsuite/testsuite.c
+++ b/testsuite/testsuite.c
@@ -51,6 +51,7 @@ static const struct option options[] = {
 };
 
 #define OVERRIDE_LIBDIR ABS_TOP_BUILDDIR "/testsuite/.libs/"
+#define TEST_TIMEOUT_USEC 2 * USEC_PER_SEC
 
 struct _env_config {
 	const char *key;
@@ -62,19 +63,6 @@ struct _env_config {
 	[TC_DELETE_MODULE_RETCODES] = { S_TC_DELETE_MODULE_RETCODES, OVERRIDE_LIBDIR "delete_module.so" },
 };
 
-#define USEC_PER_SEC  1000000ULL
-#define USEC_PER_MSEC  1000ULL
-#define TEST_TIMEOUT_USEC 2 * USEC_PER_SEC
-static unsigned long long now_usec(void)
-{
-	struct timespec ts;
-
-	if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-		return 0;
-
-	return ts_usec(&ts);
-}
-
 static void help(void)
 {
 	const struct option *itr;
-- 
2.47.2