56     /* handle signal */  in _signal_entry()
76  * To deliver a signal to thread, there are cases:
78  * set signal stat;
80  *   - If function delivers a signal to self thread, just handle
82  *   - If function delivers a signal to another ready thread, OS
95         /* resume thread to handle signal */  in _signal_deliver()
97         /* add signal state */  in _signal_deliver()
109             /* add signal state */  in _signal_deliver()
114             /* do signal action in self thread context */  in _signal_deliver()
119             /* add signal state */  in _signal_deliver()
122             /* point to the signal handle entry */  in _signal_deliver()
128             LOG_D("signal stack pointer @ 0x%08x", tid->sp);  in _signal_deliver()
232     /* set thread stat as waiting for signal */  in rt_signal_wait()
251     /* remove signal waiting flag */  in rt_signal_wait()
308         /* if thread is not waiting for signal */  in rt_thread_handle_sig()
329                 LOG_D("handle signal: %d, handler 0x%08x", signo, handler);  in rt_thread_handle_sig()
341             /* whether clean signal status */  in rt_thread_handle_sig()
387         LOG_D("free signal info list");  in rt_thread_free_sig()
413     LOG_I("send signal: %d", sig);  in rt_thread_kill()
421         /* whether already emits this signal? */  in rt_thread_kill()
447         /* a new signal */  in rt_thread_kill()
471         LOG_E("The allocation of signal info node failed.");  in rt_thread_kill()
474     /* deliver signal to this thread */  in rt_thread_kill()
482     _rt_siginfo_pool = rt_mp_create("signal", RT_SIG_INFO_MAX, sizeof(struct siginfo_node));  in rt_system_signal_init()
485         LOG_E("create memory pool for signal info failed.");  in rt_system_signal_init()