diff options
Diffstat (limited to 'src/signal/sigprocmask.c')
-rw-r--r-- | src/signal/sigprocmask.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/signal/sigprocmask.c b/src/signal/sigprocmask.c new file mode 100644 index 0000000..e89f876 --- /dev/null +++ b/src/signal/sigprocmask.c @@ -0,0 +1,23 @@ +#include <signal.h> +#include "syscall.h" +#include "libc.h" + +int __libc_sigprocmask(int how, const sigset_t *set, sigset_t *old) +{ + return syscall4(__NR_rt_sigprocmask, how, (long)set, (long)old, 8); +} + +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); +} + +weak_alias(__sigprocmask, sigprocmask); +weak_alias(__sigprocmask, pthread_sigmask); |