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-rw-r--r--src/libudev/path-util.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/libudev/path-util.c b/src/libudev/path-util.c
index 417450f283..616577088c 100644
--- a/src/libudev/path-util.c
+++ b/src/libudev/path-util.c
@@ -331,3 +331,34 @@ fallback:
return a.st_dev != b.st_dev;
}
+
+bool paths_check_timestamp(char **paths, usec_t *paths_ts_usec, bool update)
+{
+ unsigned int i;
+ bool changed = false;
+
+ if (paths == NULL)
+ goto out;
+
+ for (i = 0; paths[i]; i++) {
+ struct stat stats;
+
+ if (stat(paths[i], &stats) < 0)
+ continue;
+
+ if (paths_ts_usec[i] == timespec_load(&stats.st_mtim))
+ continue;
+
+ /* first check */
+ if (paths_ts_usec[i] != 0) {
+ log_debug("reload - timestamp of '%s' changed\n", paths[i]);
+ changed = true;
+ }
+
+ /* update timestamp */
+ if (update)
+ paths_ts_usec[i] = timespec_load(&stats.st_mtim);
+ }
+out:
+ return changed;
+}