diff options
| -rw-r--r-- | src/thread/pthread_sigmask.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/thread/pthread_sigmask.c b/src/thread/pthread_sigmask.c index 60a440b4..decc38f8 100644 --- a/src/thread/pthread_sigmask.c +++ b/src/thread/pthread_sigmask.c @@ -5,6 +5,16 @@ int pthread_sigmask(int how, const sigset_t *set, sigset_t *old) { + int ret; if (how > 2U) return EINVAL; - return -__syscall(SYS_rt_sigprocmask, how, set, old, 8); + ret = -__syscall(SYS_rt_sigprocmask, how, set, old, 8); + if (!ret && old) { + if (sizeof old->__bits[0] == 8) { + old->__bits[0] &= ~0x380000000ULL; + } else { + old->__bits[0] &= ~0x80000000UL; + old->__bits[1] &= ~0x3UL; + } + } + return ret; } |