Procházet zdrojové kódy

Add error message when child exits whit error

Master proccess was not showing any error message when the child
died with an error, and it was very confusing for the user (for
example with incorrect -e command).
Roberto E. Vargas Caballero před 10 roky
rodič
revize
ec3268961d
1 změnil soubory, kde provedl 5 přidání a 6 odebrání
  1. 5 6
      st.c

+ 5 - 6
st.c

@@ -1176,16 +1176,15 @@ execsh(void) {
 
 void
 sigchld(int a) {
-	int stat = 0;
+	int stat, ret;
 
 	if(waitpid(pid, &stat, 0) < 0)
 		die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
 
-	if(WIFEXITED(stat)) {
-		exit(WEXITSTATUS(stat));
-	} else {
-		exit(EXIT_FAILURE);
-	}
+	ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
+	if (ret != EXIT_SUCCESS)
+		die("child finished with error '%d'\n", stat);
+	exit(EXIT_SUCCESS);
 }
 
 void