diff options
| -rw-r--r-- | toolchain-extras/profile-extras.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/toolchain-extras/profile-extras.cpp b/toolchain-extras/profile-extras.cpp index 2d685084..f999a6b2 100644 --- a/toolchain-extras/profile-extras.cpp +++ b/toolchain-extras/profile-extras.cpp @@ -67,6 +67,8 @@ void *property_watch_loop(__unused void *arg) { } } +__attribute__((weak)) int init_profile_extras_once = 0; + // Initialize libprofile-extras: // - Install a signal handler that triggers __gcov_flush on <GCOV_FLUSH_SIGNAL>. // - Create a thread that calls __gcov_flush when <kCoveragePropName> sysprop @@ -81,6 +83,10 @@ void *property_watch_loop(__unused void *arg) { // We force the linker to include init_profile_extras() by passing // '-uinit_profile_extras' to the linker (in build/soong). __attribute__((constructor)) int init_profile_extras(void) { + if (init_profile_extras_once) + return 0; + init_profile_extras_once = 1; + sighandler_t ret1 = signal(GCOV_FLUSH_SIGNAL, gcov_signal_handler); if (ret1 == SIG_ERR) { return -1; |