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| author | Rich Felker <dalias@aerifal.cx> | 2011-08-02 19:59:56 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-08-02 19:59:56 -0400 |
| commit | 344ea148852ed02f280cb92f8fc1611529d60448 (patch) | |
| tree | 2aa1c07a04a6178517ab492cc36f3e22d1a4b847 /src/thread/cancel_impl.c | |
| parent | 88c4e720317845a8e01aee03f142ba82674cd23d (diff) | |
| download | musl-344ea148852ed02f280cb92f8fc1611529d60448.tar.gz | |
fix breakage in cancellation due to signal functions overhaul
sigaddset was not accepting SIGCANCEL as a valid signal number.
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; |