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-rw-r--r--src/shared/util.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index d8d3f1a16d..5f06c4b7d8 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5590,3 +5590,28 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) {
return r;
}
+
+int can_sleep(const char *type) {
+ char *p, *w, *state;
+ size_t l, k;
+ bool found = false;
+ int r;
+
+ assert(type);
+
+ r = read_one_line_file("/sys/power/state", &p);
+ if (r < 0)
+ return r == -ENOENT ? 0 : r;
+
+ k = strlen(type);
+
+ FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state) {
+ if (l == k && strncmp(w, type, l) == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ free(p);
+ return found;
+}