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util: if /sys mounted read-only we can't suspend/hibernate

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Lennart Poettering
2012-12-24 00:29:40 +01:00
parent 11dc5d2b64
commit 679b7d7912
1 changed files with 11 additions and 2 deletions
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src/shared/util.c
+11 -2
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@@ -5282,9 +5282,13 @@ int can_sleep(const char *type) {
assert(type);
/* If /sys is read-only we cannot sleep */
if (access("/sys/power/state", W_OK) < 0)
return false;
r = read_one_line_file("/sys/power/state", &p);
if (r < 0)
return r == -ENOENT ? 0 : r;
return false;
k = strlen(type);
FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state)
@@ -5302,9 +5306,14 @@ int can_sleep_disk(const char *type) {
assert(type);
/* If /sys is read-only we cannot sleep */
if (access("/sys/power/state", W_OK) < 0 ||
access("/sys/power/disk", W_OK) < 0)
return false;
r = read_one_line_file("/sys/power/disk", &p);
if (r < 0)
return r == -ENOENT ? 0 : r;
return false;
k = strlen(type);
FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state) {