diff options
Diffstat (limited to '05/musl-0.6.0/src/signal/sigprocmask.c')
| -rw-r--r-- | 05/musl-0.6.0/src/signal/sigprocmask.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/05/musl-0.6.0/src/signal/sigprocmask.c b/05/musl-0.6.0/src/signal/sigprocmask.c index e89f876..a8a4a87 100644 --- a/05/musl-0.6.0/src/signal/sigprocmask.c +++ b/05/musl-0.6.0/src/signal/sigprocmask.c @@ -19,5 +19,26 @@ int __sigprocmask(int how, const sigset_t *set, sigset_t *old) return __libc_sigprocmask(how, set, old); } -weak_alias(__sigprocmask, sigprocmask); -weak_alias(__sigprocmask, pthread_sigmask); +int sigprocmask(int how, const sigset_t *set, sigset_t *old) +{ + sigset_t tmp; + /* Quickly mask out bits 32 and 33 (thread control signals) */ + if (0 && how != SIG_UNBLOCK && (set->__bits[4/sizeof *set->__bits] & 3UL<<(32&8*sizeof *set->__bits-1))) { + tmp = *set; + set = &tmp; + tmp.__bits[4/sizeof *set->__bits] &= ~(3UL<<(32&8*sizeof *set->__bits-1)); + } + return __libc_sigprocmask(how, set, old); +} + +int pthread_sigmask(int how, const sigset_t *set, sigset_t *old) +{ + sigset_t tmp; + /* Quickly mask out bits 32 and 33 (thread control signals) */ + if (0 && how != SIG_UNBLOCK && (set->__bits[4/sizeof *set->__bits] & 3UL<<(32&8*sizeof *set->__bits-1))) { + tmp = *set; + set = &tmp; + tmp.__bits[4/sizeof *set->__bits] &= ~(3UL<<(32&8*sizeof *set->__bits-1)); + } + return __libc_sigprocmask(how, set, old); +} |