diff options
Diffstat (limited to 'lib/libpthread')
| -rw-r--r-- | lib/libpthread/thread/thr_cancel.c | 19 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_cond.c | 2 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_join.c | 1 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_kern.c | 2 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_mutex.c | 1 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_write.c | 4 |
6 files changed, 21 insertions, 8 deletions
diff --git a/lib/libpthread/thread/thr_cancel.c b/lib/libpthread/thread/thr_cancel.c index bad5533..de7c491 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)) { /* diff --git a/lib/libpthread/thread/thr_cond.c b/lib/libpthread/thread/thr_cond.c index 09c5f22..3e215af 100644 --- a/lib/libpthread/thread/thr_cond.c +++ b/lib/libpthread/thread/thr_cond.c @@ -274,6 +274,7 @@ pthread_cond_wait(pthread_cond_t * cond, pthread_mutex_t * mutex) } if ((_thread_run->cancelflags & PTHREAD_CANCEL_NEEDED) != 0) { + _thread_run->cancelflags &= ~PTHREAD_CANCEL_NEEDED; _thread_exit_cleanup(); pthread_exit(PTHREAD_CANCELED); } @@ -431,6 +432,7 @@ pthread_cond_timedwait(pthread_cond_t * cond, pthread_mutex_t * mutex, } if ((_thread_run->cancelflags & PTHREAD_CANCEL_NEEDED) != 0) { + _thread_run->cancelflags &= ~PTHREAD_CANCEL_NEEDED; _thread_exit_cleanup(); pthread_exit(PTHREAD_CANCELED); } diff --git a/lib/libpthread/thread/thr_join.c b/lib/libpthread/thread/thr_join.c index d149cf1..155dc64 100644 --- a/lib/libpthread/thread/thr_join.c +++ b/lib/libpthread/thread/thr_join.c @@ -98,6 +98,7 @@ pthread_join(pthread_t pthread, void **thread_return) _thread_kern_sig_undefer(); if ((_thread_run->cancelflags & PTHREAD_CANCEL_NEEDED) != 0) { + _thread_run->cancelflags &= ~PTHREAD_CANCEL_NEEDED; _thread_exit_cleanup(); pthread_exit(PTHREAD_CANCELED); } diff --git a/lib/libpthread/thread/thr_kern.c b/lib/libpthread/thread/thr_kern.c index f69cb41..b3fbc3a 100644 --- a/lib/libpthread/thread/thr_kern.c +++ b/lib/libpthread/thread/thr_kern.c @@ -111,7 +111,7 @@ __asm__("fnsave %0": :"m"(*fdata)); if (((_thread_run->cancelflags & PTHREAD_AT_CANCEL_POINT) == 0) && ((_thread_run->cancelflags & PTHREAD_CANCEL_ASYNCHRONOUS) != 0)) { /* - * Cancelations override signals. + * Cancellations override signals. * * Stick a cancellation point at the start of * each async-cancellable thread's resumption. diff --git a/lib/libpthread/thread/thr_mutex.c b/lib/libpthread/thread/thr_mutex.c index b2a06f2..c625ef2 100644 --- a/lib/libpthread/thread/thr_mutex.c +++ b/lib/libpthread/thread/thr_mutex.c @@ -623,6 +623,7 @@ pthread_mutex_lock(pthread_mutex_t * mutex) _thread_kern_sig_undefer(); if ((_thread_run->cancelflags & PTHREAD_CANCEL_NEEDED) != 0) { + _thread_run->cancelflags &= ~PTHREAD_CANCEL_NEEDED; _thread_exit_cleanup(); pthread_exit(PTHREAD_CANCELED); } diff --git a/lib/libpthread/thread/thr_write.c b/lib/libpthread/thread/thr_write.c index 09b09cd..40c4cc5 100644 --- a/lib/libpthread/thread/thr_write.c +++ b/lib/libpthread/thread/thr_write.c @@ -67,8 +67,8 @@ write(int fd, const void *buf, size_t nbytes) /* File is not open for write: */ errno = EBADF; _FD_UNLOCK(fd, FD_WRITE); - _thread_leave_cancellation_point(); - return (-1); + _thread_leave_cancellation_point(); + return (-1); } /* Check if file operations are to block */ |
