diff options
| -rw-r--r-- | user/uthread.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/user/uthread.c b/user/uthread.c index 06349f5..18b773d 100644 --- a/user/uthread.c +++ b/user/uthread.c @@ -23,10 +23,8 @@ void thread_init(void) { // main() is thread 0, which will make the first invocation to - // thread_schedule(). it needs a stack so that the first thread_switch() can - // save thread 0's state. thread_schedule() won't run the main thread ever - // again, because its state is set to RUNNING, and thread_schedule() selects - // a RUNNABLE thread. + // thread_schedule(). It needs a stack so that the first thread_switch() can + // save thread 0's state. current_thread = &all_thread[0]; current_thread->state = RUNNING; } @@ -157,6 +155,7 @@ main(int argc, char *argv[]) thread_create(thread_a); thread_create(thread_b); thread_create(thread_c); + current_thread->state = FREE; thread_schedule(); exit(0); } |