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swayidle: Fix sleep inhibitor not being acquired

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Fixes #3377.
The sleep lock file descriptor was immediately closed after it was
acquired due to the dbus message being freed. Now the fd is duplicated
before the message is freed so the inhibitor stays active.
This commit is contained in:
Oscar Cowdery Lack 2019-01-07 22:48:42 +11:00
parent 688f4137a5
commit 5a24ed2bf2
1 changed files with 13 additions and 0 deletions
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13
swayidle/main.c
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@ -1,6 +1,7 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <pthread.h>
#include <signal.h>
@ -104,9 +105,21 @@ static void acquire_sleep_lock(void) {
if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to parse D-Bus response for Inhibit: %s",
strerror(-ret));
sd_bus_error_free(&error);
sd_bus_message_unref(msg);
return;
} else {
wlr_log(WLR_INFO, "Got sleep lock: %d", lock_fd);
}
// sd_bus_message_unref closes the file descriptor so we need
// to copy it beforehand
lock_fd = fcntl(lock_fd, F_DUPFD_CLOEXEC, 3);
if (lock_fd < 0) {
wlr_log(WLR_ERROR, "Failed to copy sleep lock fd: %s",
strerror(errno));
}
sd_bus_error_free(&error);
sd_bus_message_unref(msg);
}