diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 17afcaf582d0..3ad220a81619 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3236,6 +3236,21 @@ SYSCALL_DEFINE0(pause) #endif +#ifdef HAVE_SET_RESTORE_SIGMASK +int sigsuspend(sigset_t *set) +{ + sigdelsetmask(set, sigmask(SIGKILL)|sigmask(SIGSTOP)); + + current->saved_sigmask = current->blocked; + set_current_blocked(set); + + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_restore_sigmask(); + return -ERESTARTNOHAND; +} +#endif + #ifdef __ARCH_WANT_SYS_RT_SIGSUSPEND /** * sys_rt_sigsuspend - replace the signal mask for a value with the @@ -3253,15 +3268,7 @@ SYSCALL_DEFINE2(rt_sigsuspend, sigset_t __user *, unewset, size_t, sigsetsize) if (copy_from_user(&newset, unewset, sizeof(newset))) return -EFAULT; - sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP)); - - current->saved_sigmask = current->blocked; - set_current_blocked(&newset); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_restore_sigmask(); - return -ERESTARTNOHAND; + return sigsuspend(&newset); } #endif /* __ARCH_WANT_SYS_RT_SIGSUSPEND */ |