Add MAYFORK to more pseudo-builtins.

This doesn't (yet) add shell builtin awareness to time, kill, or pwd,
just lets them run in the shell process.

1 files changed, 10 insertions, 7 deletions

diff --git a/toys/posix/kill.c b/toys/posix/kill.c
index c9de98ea..3c129b04 100644
--- a/toys/posix/kill.c
+++ b/toys/posix/kill.c
@@ -11,7 +11,7 @@
  *
  * No Standard
 
-USE_KILL(NEWTOY(kill, "?ls: ", TOYFLAG_BIN))
+USE_KILL(NEWTOY(kill, "?ls: ", TOYFLAG_BIN|TOYFLAG_MAYFORK))
 USE_KILLALL5(NEWTOY(killall5, "?o*ls: [!lo][!ls]", TOYFLAG_SBIN))
 
 config KILL
@@ -65,12 +65,13 @@ void kill_main(void)
   if (FLAG(l)) {
     if (*args) {
       int signum = sig_to_num(*args);
-      char *s = NULL;
+      char *s = 0;
 
       if (signum>=0) s = num_to_sig(signum&127);
       if (isdigit(**args)) puts(s ? s : "UNKNOWN");
       else printf("%d\n", signum);
     } else list_signals();
+
     return;
   }
 
@@ -80,6 +81,7 @@ void kill_main(void)
   if (TT.s) {
     char *arg;
     int i = strtol(TT.s, &arg, 10);
+
     if (!*arg) arg = num_to_sig(i);
     else arg = TT.s;
 
@@ -106,7 +108,10 @@ void kill_main(void)
 
     sid = getsid(pid = getpid());
 
-    if (!(dp = opendir("/proc"))) perror_exit("/proc");
+    if (!(dp = opendir("/proc"))) {
+      free(olist);
+      perror_exit("/proc");
+    }
     while ((entry = readdir(dp))) {
       int count, procpid, procsid;
 
@@ -128,10 +133,8 @@ void kill_main(void)
 
       kill(procpid, signum);
     }
-    if (CFG_TOYBOX_FREE) {
-      closedir(dp);
-      free(olist);
-    }
+    closedir(dp);
+    free(olist);
 
   // is it kill?
   } else {