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Fix allowing unblocking of exited/ready/running threads

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pjht 2020-07-27 18:01:24 -05:00
parent 5a7ae83e8a
commit 9727f0bbfa
1 changed files with 4 additions and 0 deletions
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4
kernel/tasking.c
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@ -300,6 +300,10 @@ void tasking_unblock(pid_t pid,pid_t tid) {
serial_printf("Error! Got wrong thread! (Wanted TID %d, got TID %d)\n",tid,thread->tid);
halt();
}
if (thread->state==THREAD_EXITED||thread->state==THREAD_READY||thread->state==THREAD_RUNNING) {
serial_printf("Tried to unblock an exited/ready/running thread!\n");
return;
}
thread->state=THREAD_READY;
if (!is_proc_scheduled(thread->process->pid)) {
// Link the thread onto the list of ready to run threads