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authorDamjan Marion <damarion@cisco.com>2019-02-26 17:15:48 +0100
committerOle Trøan <otroan@employees.org>2019-02-27 08:24:46 +0000
commit8343ee5665942353e57ee074da62b9d07c1c510b (patch)
treeac2137439824caba62c9ee2e8c1a6ee77fbcfb30 /src
parent854559d154288945e03af6b6b7ce91c383667180 (diff)
Fix crash in barrier sync when vlib_worker_threads is zero
Change-Id: I6819dd9dbfc15c17740bdb98b51bdd639ef8c4d2 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src')
-rw-r--r--src/vlib/threads.c3
-rw-r--r--src/vlib/threads.h5
2 files changed, 5 insertions, 3 deletions
diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index 4368a74ac9f..e2f7d2634b9 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -1380,7 +1380,7 @@ vlib_worker_thread_fork_fixup (vlib_fork_fixup_t which)
#endif
void
-vlib_worker_thread_barrier_sync_int (vlib_main_t * vm)
+vlib_worker_thread_barrier_sync_int (vlib_main_t * vm, const char *func_name)
{
f64 deadline;
f64 now;
@@ -1394,6 +1394,7 @@ vlib_worker_thread_barrier_sync_int (vlib_main_t * vm)
ASSERT (vlib_get_thread_index () == 0);
+ vlib_worker_threads[0].barrier_caller = func_name;
count = vec_len (vlib_mains) - 1;
/* Record entry relative to last close */
diff --git a/src/vlib/threads.h b/src/vlib/threads.h
index 95fcf3d83d7..5a295e03319 100644
--- a/src/vlib/threads.h
+++ b/src/vlib/threads.h
@@ -201,9 +201,10 @@ u32 vlib_frame_queue_main_init (u32 node_index, u32 frame_queue_nelts);
#define BARRIER_SYNC_TIMEOUT (1.0)
#endif
-#define vlib_worker_thread_barrier_sync(X) {vlib_worker_threads[0].barrier_caller=__FUNCTION__;vlib_worker_thread_barrier_sync_int(X);}
+#define vlib_worker_thread_barrier_sync(X) {vlib_worker_thread_barrier_sync_int(X, __FUNCTION__);}
-void vlib_worker_thread_barrier_sync_int (vlib_main_t * vm);
+void vlib_worker_thread_barrier_sync_int (vlib_main_t * vm,
+ const char *func_name);
void vlib_worker_thread_barrier_release (vlib_main_t * vm);
void vlib_worker_thread_node_refork (void);