diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/pthread_cancel.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c index 0698cd2046..cc25ff21f3 100644 --- a/nptl/pthread_cancel.c +++ b/nptl/pthread_cancel.c @@ -72,7 +72,11 @@ __pthread_cancel (pthread_t th) { struct sigaction sa; sa.sa_sigaction = sigcancel_handler; - sa.sa_flags = SA_SIGINFO; + /* The signal handle should be non-interruptible to avoid the risk of + spurious EINTR caused by SIGCANCEL sent to process or if + pthread_cancel() is called while cancellation is disabled in the + target thread. */ + sa.sa_flags = SA_SIGINFO | SA_RESTART; __sigemptyset (&sa.sa_mask); __libc_sigaction (SIGCANCEL, &sa, NULL); atomic_store_relaxed (&init_sigcancel, 1); |