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prevent multiple execution of psync_fs_do_stop, and use atexit in the signal handler (#91)

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Levi Neely 2025-02-26 20:31:25 +01:00 committed by GitHub
parent f87367211d
commit c04f887249
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GPG Key ID: B5690EEEBB952194
1 changed files with 7 additions and 2 deletions
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9
pclsync/pfs.c
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@ -104,6 +104,7 @@ typedef off_t fuse_off_t;
#define PSYNC_FS_ERR_MOVE_ACROSS_CRYPTO EXDEV
#endif
static int shutdown_in_progress = 0;
static struct fuse_chan *psync_fuse_channel = NULL;
static struct fuse *psync_fuse = NULL;
static char *psync_current_mountpoint = NULL;
@ -3457,6 +3458,11 @@ static void psync_fs_dump_internals() {
#endif
static void psync_fs_do_stop(void) {
if (!__sync_bool_compare_and_swap(&shutdown_in_progress, 0, 1)) {
// prevent multiple executions
return;
}
debug(D_NOTICE, "stopping");
pthread_mutex_lock(&start_mutex);
if (started == 1) {
@ -3521,8 +3527,7 @@ void psync_fs_stop() { psync_fs_do_stop(); }
static void psync_signal_handler(int sig) {
debug(D_NOTICE, "got signal %d", sig);
psync_fs_do_stop();
exit(1);
exit(1); // invoke psync_do_stop via atexit()
}
#if IS_DEBUG