diff options
Diffstat (limited to 'src/thread/pthread_create.c')
| -rw-r--r-- | src/thread/pthread_create.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index 284b45a0..52487001 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -57,9 +57,19 @@ static void cancel_handler(int sig, siginfo_t *si, void *ctx) static void cancelpt(int x) { struct pthread *self = __pthread_self(); - if (self->canceldisable) return; - if ((self->cancelpoint+=x)==1 && x>=0 && self->cancel) - docancel(self); + switch (x) { + case 1: + self->cancelpoint++; + case 0: + if (self->cancel && self->cancelpoint==1 && !self->canceldisable) + docancel(self); + break; + case -1: + self->cancelpoint--; + break; + default: + self->canceldisable += x; + } } /* "rsyscall" is a mechanism by which a thread can synchronously force all |