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-rw-r--r--src/io.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/io.c b/src/io.c
index f24b0f7..95a42d3 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1214,10 +1214,14 @@ void io_start_psave_thread(void)
/* Stop periodic data saves. */
void io_stop_psave_thread(void)
{
- if (io_t_psave) {
- pthread_cancel(io_t_psave);
- pthread_join(io_t_psave, NULL);
- }
+ if (!io_t_psave)
+ return;
+
+ /* Lock the mutex to avoid cancelling the thread during saving. */
+ io_save_mutex_lock();
+ pthread_cancel(io_t_psave);
+ pthread_join(io_t_psave, NULL);
+ io_save_mutex_unlock();
}
/*