diff options
Diffstat (limited to 'lib/libkse/thread/thr_setschedparam.c')
-rw-r--r-- | lib/libkse/thread/thr_setschedparam.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/libkse/thread/thr_setschedparam.c b/lib/libkse/thread/thr_setschedparam.c index 93635da..1ba0e20 100644 --- a/lib/libkse/thread/thr_setschedparam.c +++ b/lib/libkse/thread/thr_setschedparam.c @@ -29,6 +29,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * + * $Id$ */ #include <errno.h> #include <sys/param.h> @@ -50,10 +51,10 @@ pthread_setschedparam(pthread_t pthread, int policy, struct sched_param *param) /* Find the thread in the list of active threads: */ else if ((ret = _find_thread(pthread)) == 0) { /* - * Guard against being preempted by a scheduling - * signal: + * Defer signals to protect the scheduling queues from + * access by the signal handler: */ - _thread_kern_sched_defer(); + _thread_kern_sig_defer(); if (param->sched_priority != pthread->base_priority) { /* @@ -61,8 +62,7 @@ pthread_setschedparam(pthread_t pthread, int policy, struct sched_param *param) * queue before any adjustments are made to its * active priority: */ - if ((pthread != _thread_run) && - (pthread->state == PS_RUNNING)) { + if ((pthread->flags & PTHREAD_FLAGS_IN_PRIOQ) != 0) { in_readyq = 1; old_prio = pthread->active_priority; PTHREAD_PRIOQ_REMOVE(pthread); @@ -103,10 +103,10 @@ pthread_setschedparam(pthread_t pthread, int policy, struct sched_param *param) pthread->attr.sched_policy = policy; /* - * Renable preemption and yield if a scheduling signal - * arrived while in the critical region: + * Undefer and handle pending signals, yielding if + * necessary: */ - _thread_kern_sched_undefer(); + _thread_kern_sig_undefer(); } return(ret); } |