# HG changeset patch
# User Jun Wu <quark@fb.com>
# Date 1460330307 -3600
# Node ID 0d530299acf2f586f5e47b3fc5055908e2eeea0b
# Parent  f5764e177bbe0e3795412b5faf6621b433d762eb
chg: use fsetcloexec instead of closing lockfd manually

Since we have the fsetcloexec utility function, use it instead of closing
lockfd manually.

diff -r f5764e177bbe -r 0d530299acf2 contrib/chg/chg.c
--- a/contrib/chg/chg.c	Mon Apr 11 00:17:17 2016 +0100
+++ b/contrib/chg/chg.c	Mon Apr 11 00:18:27 2016 +0100
@@ -178,6 +178,7 @@
 		if (opts->lockfd == -1)
 			abortmsgerrno("cannot create lock file %s",
 				      opts->lockfile);
+		fsetcloexec(opts->lockfd);
 	}
 	int r = flock(opts->lockfd, LOCK_EX);
 	if (r == -1)
@@ -309,8 +310,6 @@
 	if (pid < 0)
 		abortmsg("failed to fork cmdserver process");
 	if (pid == 0) {
-		/* do not leak lockfd to hg */
-		close(opts->lockfd);
 		execcmdserver(opts);
 	} else {
 		hgc = retryconnectcmdserver(opts, pid);