[src/trunk]: src/usr.bin/make make(1): extract UnlimitFiles from main

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/653ea8045adc
branches:  trunk
changeset: 977563:653ea8045adc
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Oct 27 06:59:20 2020 +0000

description:
make(1): extract UnlimitFiles from main

diffstat:

 usr.bin/make/main.c |  33 ++++++++++++++++++---------------
 1 files changed, 18 insertions(+), 15 deletions(-)

diffs (61 lines):

diff -r 45f99280b9b6 -r 653ea8045adc usr.bin/make/main.c
--- a/usr.bin/make/main.c       Tue Oct 27 06:55:18 2020 +0000
+++ b/usr.bin/make/main.c       Tue Oct 27 06:59:20 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.392 2020/10/26 23:28:52 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.393 2020/10/27 06:59:20 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -118,7 +118,7 @@
 #include "trace.h"
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.392 2020/10/26 23:28:52 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.393 2020/10/27 06:59:20 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
            "The Regents of the University of California.  "
@@ -1047,6 +1047,20 @@
 }
 #endif
 
+/* get rid of resource limit on file descriptors */
+static void
+UnlimitFiles(void)
+{
+#if defined(MAKE_NATIVE) || (defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE))
+       struct rlimit rl;
+       if (getrlimit(RLIMIT_NOFILE, &rl) != -1 &&
+           rl.rlim_cur != rl.rlim_max) {
+               rl.rlim_cur = rl.rlim_max;
+               (void)setrlimit(RLIMIT_NOFILE, &rl);
+       }
+#endif
+}
+
 /*-
  * main --
  *     The main function, for obvious reasons. Initializes variables
@@ -1098,19 +1112,8 @@
                progname++;
        else
                progname = argv[0];
-#if defined(MAKE_NATIVE) || (defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE))
-       /*
-        * get rid of resource limit on file descriptors
-        */
-       {
-               struct rlimit rl;
-               if (getrlimit(RLIMIT_NOFILE, &rl) != -1 &&
-                   rl.rlim_cur != rl.rlim_max) {
-                       rl.rlim_cur = rl.rlim_max;
-                       (void)setrlimit(RLIMIT_NOFILE, &rl);
-               }
-       }
-#endif
+
+       UnlimitFiles();
 
        if (uname(&utsname) == -1) {
            (void)fprintf(stderr, "%s: uname failed (%s).\n", progname,