diff options
| -rw-r--r-- | sys/arch/amd64/amd64/proc_machdep.c | 18 | ||||
| -rw-r--r-- | sys/include/sys/sched.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/proc_machdep.c b/sys/arch/amd64/amd64/proc_machdep.c index 56348be..11b1901 100644 --- a/sys/arch/amd64/amd64/proc_machdep.c +++ b/sys/arch/amd64/amd64/proc_machdep.c @@ -264,6 +264,24 @@ sched_switch_to(struct trapframe *tf, struct proc *td) } /* + * Enable or disable preemption on the current + * processor + * + * @enable: Enable preemption if true + */ +void +sched_preempt_set(bool enable) +{ + struct cpu_info *ci = this_cpu(); + + if (ci == NULL) { + return; + } + + ci->preempt = enable; +} + +/* * Perform a context switch. */ void diff --git a/sys/include/sys/sched.h b/sys/include/sys/sched.h index 8b0ba02..8deef95 100644 --- a/sys/include/sys/sched.h +++ b/sys/include/sys/sched.h @@ -66,6 +66,7 @@ struct sched_stat { void sched_stat(struct sched_stat *statp); void sched_init(void); +void sched_preempt_set(bool enable); void sched_yield(void); void sched_suspend(struct proc *td, const struct timeval *tv); void sched_detach(struct proc *td); |