diff options
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/sim/posix/cpu_port.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/libcpu/sim/posix/cpu_port.c b/libcpu/sim/posix/cpu_port.c index 6d2b517cff..622a3bdc29 100644 --- a/libcpu/sim/posix/cpu_port.c +++ b/libcpu/sim/posix/cpu_port.c @@ -94,9 +94,9 @@ static void thread_switch_handler(int sig) thread_from = (thread_t *) rt_interrupt_from_thread; thread_to = (thread_t *) rt_interrupt_to_thread; - /* FIXME 注意！此时 rt_thread_self的值是to线程的值！ */ + /* 注意！此时 rt_thread_self的值是to线程的值！ */ tid = rt_thread_self(); - RT_ASSERT(thread_from->pthread == pid); + /* FIXME RT_ASSERT(thread_from->pthread == pid); */ RT_ASSERT((thread_t *)(tid->sp) == thread_to); TRACE("signal: SIGSUSPEND suspend <%s>\n", thread_from->rtthread->name); @@ -124,7 +124,6 @@ static void *thread_run(void *parameter) thread->task(thread->para); TRACE("pid <%08x> tid <%s> exit...\n", (unsigned int)(thread->pthread), tid->name); - //FIXME thread->exit(); //sem_destroy(&thread->sem); //<-------------- @@ -235,7 +234,7 @@ void rt_hw_interrupt_enable(rt_base_t level) tid = rt_thread_self(); pid = pthread_self(); - if (pid != mainthread_pid) + if (pid != mainthread_pid && thread_from->pthread == pid) { /* 注意这段代码是在RTT普通线程函数总函数中执行的， * from线程就是当前rtt线程 */ @@ -245,9 +244,6 @@ void rt_hw_interrupt_enable(rt_base_t level) thread_from->rtthread->name, thread_to->rtthread->name); - /* 确定一下，这两个值一定是相等的！ */ - RT_ASSERT(thread_from->pthread == pid); - /* 唤醒被挂起的线程 */ sem_post(& thread_to ->sem); cpu_pending_interrupts --; @@ -259,8 +255,9 @@ void rt_hw_interrupt_enable(rt_base_t level) } else { - /* 注意这段代码是在system tick 函数中执行的， - * 即此时位于主线程的SIGALRM信号处理函数中 + /* 注意这段代码可能在多种情况下运行： + * 1. 在system tick中执行， 即主线程的SIGALRM信号处理函数中执行 + * 2. 其他线程中调用，比如用于获取按键输入的线程中调用 */ TRACE("conswitch: S in pid<%x> ,suspend <%s>, resume <%s>!\n", (unsigned int)pid, |