init optimizing log

Signed-off-by: Ncheng_jinsong <chengjinsong2@huawei.com>

services/init/standard/init_signal_handler.c

@@ -38,7 +38,8 @@ static void ProcessSignal(const struct signalfd_siginfo *siginfo)
                 Service* service = GetServiceByPid(sigPID);
                 // check child process exit status
                 if (WIFSIGNALED(procStat)) {
-                    INIT_LOGE("Child process %d exit with signal: %d", sigPID, WTERMSIG(procStat));
+                    INIT_LOGE("Child process %s(pid %d) exit with code : %d",
+                        service == NULL ? "Unknown" : service->name, sigPID, sigPID, WTERMSIG(procStat));
                 }
                 if (WIFEXITED(procStat)) {
                     INIT_LOGE("Child process %s(pid %d) exit with code : %d",
@@ -75,4 +76,4 @@ void SignalInit(void)
     if (LE_AddSignal(LE_GetDefaultLoop(), g_sigHandle, SIGTERM) != 0) {
         INIT_LOGW("start SIGTERM handler failed");
     }
-}
\ No newline at end of file
+}