mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 06:11:37 +00:00
f40b4cac3c
Sometimes there is a deadlock between user-requested ccov counters flush (through a signal) and flush happening when a process is dying. So in order to avoid it, just remove the latter which is out of our control (user-requested flushes are protected using a cross mutex). Differential Revision: https://phabricator.services.mozilla.com/D112632
28 lines
854 B
Diff
28 lines
854 B
Diff
From 98bf90ef5ea3dd848ce7d81a662eb7499d11c91c Mon Sep 17 00:00:00 2001
|
|
From: Calixte Denizet <calixte.denizet@gmail.com>
|
|
Date: Fri, 16 Apr 2021 10:05:34 +0200
|
|
Subject: [PATCH] [Gcov] Don't run global destructor in ccov builds when env
|
|
MOZ_FUZZING_CCOV is existing
|
|
|
|
---
|
|
compiler-rt/lib/profile/GCDAProfiling.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c
|
|
index 4293e8f7b5bf..6cda4bc7601f 100644
|
|
--- a/compiler-rt/lib/profile/GCDAProfiling.c
|
|
+++ b/compiler-rt/lib/profile/GCDAProfiling.c
|
|
@@ -586,6 +586,9 @@ void llvm_writeout_files(void) {
|
|
__attribute__((destructor(100)))
|
|
#endif
|
|
static void llvm_writeout_and_clear(void) {
|
|
+ if (getenv("MOZ_FUZZING_CCOV")) {
|
|
+ return;
|
|
+ }
|
|
llvm_writeout_files();
|
|
fn_list_remove(&writeout_fn_list);
|
|
}
|
|
--
|
|
2.30.2
|
|
|