diff options
| author | Daniel Eischen <deischen@FreeBSD.org> | 1999-12-17 00:57:54 +0000 |
|---|---|---|
| committer | Daniel Eischen <deischen@FreeBSD.org> | 1999-12-17 00:57:54 +0000 |
| commit | fc8f3f5bfe691a89cc23a521c08e0128fbf8c2ae (patch) | |
| tree | be12fd0c2d0356386c97f73c045f078ca33fdef7 /lib/libpthread/thread/thr_cancel.c | |
| parent | 3dc268f4e7934a791049d0a2467e3d6d3ed190cd (diff) | |
Notes
Diffstat (limited to 'lib/libpthread/thread/thr_cancel.c')
| -rw-r--r-- | lib/libpthread/thread/thr_cancel.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/lib/libpthread/thread/thr_cancel.c b/lib/libpthread/thread/thr_cancel.c index bad55339d067..de7c491ca960 100644 --- a/lib/libpthread/thread/thr_cancel.c +++ b/lib/libpthread/thread/thr_cancel.c @@ -20,8 +20,16 @@ pthread_cancel(pthread_t pthread) /* Protect the scheduling queues: */ _thread_kern_sig_defer(); - /* Check if we need to kick it back into the run queue: */ - if ((pthread->cancelflags & PTHREAD_CANCEL_DISABLE) == 0) + if (((pthread->cancelflags & PTHREAD_CANCEL_DISABLE) != 0) || + (((pthread->cancelflags & PTHREAD_CANCEL_ASYNCHRONOUS) == 0) && + ((pthread->cancelflags & PTHREAD_AT_CANCEL_POINT) == 0))) + /* Just mark it for cancellation: */ + pthread->cancelflags |= PTHREAD_CANCELLING; + else { + /* + * Check if we need to kick it back into the + * run queue: + */ switch (pthread->state) { case PS_RUNNING: /* No need to resume: */ @@ -33,7 +41,7 @@ pthread_cancel(pthread_t pthread) case PS_FDW_WAIT: case PS_POLL_WAIT: case PS_SELECT_WAIT: - /* Remove these threads from the work queue: */ + /* Remove these threads from the work queue: */ if ((pthread->flags & PTHREAD_FLAGS_IN_WORKQ) != 0) PTHREAD_WORKQ_REMOVE(pthread); @@ -75,7 +83,9 @@ pthread_cancel(pthread_t pthread) case PS_STATE_MAX: /* Ignore - only here to silence -Wall: */ break; + } } + /* Unprotect the scheduling queues: */ _thread_kern_sig_undefer(); @@ -96,7 +106,7 @@ pthread_setcancelstate(int state, int *oldstate) case PTHREAD_CANCEL_ENABLE: if (oldstate != NULL) *oldstate = ostate; - _thread_run->cancelflags &= PTHREAD_CANCEL_ENABLE; + _thread_run->cancelflags &= ~PTHREAD_CANCEL_DISABLE; if ((_thread_run->cancelflags & PTHREAD_CANCEL_ASYNCHRONOUS) != 0) pthread_testcancel(); ret = 0; @@ -145,7 +155,6 @@ pthread_setcanceltype(int type, int *oldtype) void pthread_testcancel(void) { - if (((_thread_run->cancelflags & PTHREAD_CANCEL_DISABLE) == 0) && ((_thread_run->cancelflags & PTHREAD_CANCELLING) != 0)) { /* |