Nice to know when the simulaton thread actually gets the exit call under normal operation. This helps immensely in a clustered environmrnt where jobs randomly fail

1 files changed, 11 insertions, 4 deletions

diff --git a/src/gpgpusim_entrypoint.cc b/src/gpgpusim_entrypoint.cc
index dac9fd8..52e2f5e 100644
--- a/src/gpgpusim_entrypoint.cc
+++ b/src/gpgpusim_entrypoint.cc
@@ -93,8 +93,15 @@ bool g_sim_active = false;
 bool g_sim_done = true;
 bool break_limit = false;
 
+static void termination_callback()
+{
+    printf("GPGPU-Sim: *** exit detected ***\n");
+    fflush(stdout);
+}
+
 void *gpgpu_sim_thread_concurrent(void*)
 {
+    atexit(termination_callback);
     // concurrent kernel execution simulation thread
     do {
         if(g_debug_execution >= 3) {
@@ -165,10 +172,10 @@ void *gpgpu_sim_thread_concurrent(void*)
         g_sim_active = false;
         pthread_mutex_unlock(&g_sim_lock);
     } while( !g_sim_done );
-    if(g_debug_execution >= 3) {
-       printf("GPGPU-Sim: *** simulation thread exiting ***\n");
-       fflush(stdout);
-    }
+
+    printf("GPGPU-Sim: *** simulation thread exiting ***\n");
+    fflush(stdout);
+
     if(break_limit) {
     	printf("GPGPU-Sim: ** break due to reaching the maximum cycles (or instructions) **\n");
     	exit(1);