Fix thread safety issue in process cleanup

[simgrid.git] / src / simix / smx_process.c

diff --git a/src/simix/smx_process.c b/src/simix/smx_process.c
index 21a4ef8..df8d7ec 100644 (file)
--- a/src/simix/smx_process.c
+++ b/src/simix/smx_process.c
@@ -54,6 +54,8 @@ void SIMIX_process_cleanup(smx_process_t process)
   if (process->kill_timer != NULL)
          SIMIX_timer_remove(process->kill_timer);
 
+  xbt_os_mutex_acquire(simix_global->mutex);
+
   /* cancel non-blocking communications */
   smx_synchro_t synchro;
   while ((synchro = xbt_fifo_pop(process->comms))) {
@@ -97,6 +99,8 @@ void SIMIX_process_cleanup(smx_process_t process)
   xbt_swag_remove(process, SIMIX_host_priv(process->smx_host)->process_list);
   xbt_swag_insert(process, simix_global->process_to_destroy);
   process->context->iwannadie = 0;
+
+  xbt_os_mutex_release(simix_global->mutex);
 }
 
 /**