diff options
Diffstat (limited to 'libc/signal/sigpause.c')
| -rw-r--r-- | libc/signal/sigpause.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libc/signal/sigpause.c b/libc/signal/sigpause.c index 8c99af0a1..ffb3595fb 100644 --- a/libc/signal/sigpause.c +++ b/libc/signal/sigpause.c @@ -23,6 +23,9 @@ #define __FAVOR_BSD #include <signal.h> #include <stddef.h> /* For NULL. */ +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <sysdep-cancel.h> +#endif libc_hidden_proto(sigprocmask) libc_hidden_proto(sigdelset) @@ -48,6 +51,9 @@ int __sigpause (int sig_or_mask, int is_sig) else if (sigset_set_old_mask (&set, sig_or_mask) < 0) return -1; + /* Note the sigpause() is a cancellation point. But since we call + sigsuspend() which itself is a cancellation point we do not have + to do anything here. */ return sigsuspend (&set); } libc_hidden_def(__sigpause) @@ -60,6 +66,19 @@ libc_hidden_def(__sigpause) libc_hidden_proto(sigpause) int sigpause (int mask) { +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + if (SINGLE_THREAD_P) + return __sigpause (mask, 0); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = __sigpause (mask, 0); + + LIBC_CANCEL_RESET (oldtype); + + return result; +#else return __sigpause (mask, 0); +#endif } libc_hidden_def(sigpause) |