diff options
Diffstat (limited to 'src/thread/cancel_impl.c')
| -rw-r--r-- | src/thread/cancel_impl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/thread/cancel_impl.c b/src/thread/cancel_impl.c index 0d80885f..9a02e1a1 100644 --- a/src/thread/cancel_impl.c +++ b/src/thread/cancel_impl.c @@ -31,6 +31,12 @@ long (__syscall_cp)(long nr, long u, long v, long w, long x, long y, long z) return r; } +static void _sigaddset(sigset_t *set, int sig) +{ + unsigned s = sig-1; + set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1); +} + static void cancel_handler(int sig, siginfo_t *si, void *ctx) { pthread_t self = __pthread_self(); @@ -40,7 +46,7 @@ static void cancel_handler(int sig, siginfo_t *si, void *ctx) if (!self->cancel || self->canceldisable) return; - sigaddset(&uc->uc_sigmask, SIGCANCEL); + _sigaddset(&uc->uc_sigmask, SIGCANCEL); if (self->cancelasync || sp == self->cp_sp && ip <= self->cp_ip) { self->canceldisable = 1; |