re-fix child reaping in wordexp

Do not retry waitpid if the child was terminated by a signal. Do not
examine status: since we are not passing any flags, we will not receive
stop or continue notifications.

diff --git a/src/misc/wordexp.c b/src/misc/wordexp.c
index db39b5b8a3e3dee78bf6a54c1af3a1e23013c72b..d123cf757daad53740a4855800eabb440e731ad4 100644 (file)
--- a/src/misc/wordexp.c
+++ b/src/misc/wordexp.c
@@ -14,13 +14,7 @@
 static void reap(pid_t pid)
 {
        int status;
-       for (;;) {
-               if (waitpid(pid, &status, 0) < 0) {
-                       if (errno != EINTR) return;
-               } else {
-                       if (WIFEXITED(status)) return;
-               }
-       }
+       while (waitpid(pid, &status, 0) < 0 && errno == EINTR);
 }
 
 static char *getword(FILE *f)