static void exception_throw(chk_expn_frame *frame,const char *exception,siginfo_t* info) {
int32_t sig = 0;
char buff[256];
if(!frame) {
//非rethrow,打印日志
if(exception == segfault)
snprintf(buff,256," [exception:%s <invaild access addr:%p>]\n",
segfault,info->si_addr);
else
snprintf(buff,256," [exception:%s]\n",exception);
_log_stack(LOG_ERROR,3,buff);
frame = chk_exp_top();
}
if(frame) {
frame->exception = exception;
frame->is_process = 0;
if(exception == segfault) sig = SIGSEGV;
else if(exception == sigbug) sig = SIGBUS;
else if(exception == sigfpe) sig = SIGFPE;
siglongjmp(frame->jumpbuffer,sig);
}else {
//没有try,直接终止进程
exit(0);
}
}
void chk_exp_log_exption_stack() {
char buff[256];
chk_expn_thd *expthd = chk_exp_get_thread_expn();
if(!expthd->sz) return;
if(expthd->exception == segfault)
snprintf(buff,256," [exception:%s <invaild access addr:%p>]",
segfault,expthd->addr);
else
snprintf(buff,256," [exception:%s]",expthd->exception);
_log_stack(LOG_ERROR,3,buff,expthd->bt);
}
void chk_exp_log_stack() {
_log_stack(LOG_DEBUG,2," [call_stack]\n");
}
void chk_exp_log_call_stack(const char *discription) {
_log_stack(LOG_DEBUG,2,discription,NULL);
}
