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authorTodd C. Miller <millert@cvs.openbsd.org>1997-03-27 05:35:29 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>1997-03-27 05:35:29 +0000
commit102ca6e5e6c1fb84ea3094025e94e62d8439924e (patch)
tree6412e9d4dbf2fcb055c7740bed2cd37860dbfd0e /sys
parentea04172c2de7166d55587bd419b310ac650215a8 (diff)
Implement NOFILE_MAX--hard limit on max descriptors per proccess.
Future direction, might make sense to make this a kernel symbol tha is sysctl-able.
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/init_main.c9
-rw-r--r--sys/sys/param.h5
2 files changed, 11 insertions, 3 deletions
diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index 496426a6070..eb4e1712fe1 100644
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: init_main.c,v 1.20 1996/11/06 01:29:46 deraadt Exp $ */
+/* $OpenBSD: init_main.c,v 1.21 1997/03/27 05:35:28 millert Exp $ */
/* $NetBSD: init_main.c,v 1.84.4.1 1996/06/02 09:08:06 mrg Exp $ */
/*
@@ -44,6 +44,7 @@
#include <sys/param.h>
#include <sys/filedesc.h>
+#include <sys/file.h>
#include <sys/errno.h>
#include <sys/exec.h>
#include <sys/kernel.h>
@@ -94,6 +95,10 @@
extern void nfs_init __P((void));
#endif
+#ifndef MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
char copyright[] =
"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California. All rights reserved.\n\n";
@@ -239,6 +244,8 @@ main(framep)
limit0.pl_rlimit[i].rlim_cur =
limit0.pl_rlimit[i].rlim_max = RLIM_INFINITY;
limit0.pl_rlimit[RLIMIT_NOFILE].rlim_cur = NOFILE;
+ limit0.pl_rlimit[RLIMIT_NOFILE].rlim_max = MIN(NOFILE_MAX,
+ (maxfiles - NOFILE > NOFILE) ? maxfiles - NOFILE : NOFILE);
limit0.pl_rlimit[RLIMIT_NPROC].rlim_cur = MAXUPRC;
i = ptoa(cnt.v_free_count);
limit0.pl_rlimit[RLIMIT_RSS].rlim_max = i;
diff --git a/sys/sys/param.h b/sys/sys/param.h
index 4cb4f8bc2ac..cd1490f63e8 100644
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: param.h,v 1.11 1996/10/25 11:14:45 deraadt Exp $ */
+/* $OpenBSD: param.h,v 1.12 1997/03/27 05:35:25 millert Exp $ */
/* $NetBSD: param.h,v 1.23 1996/03/17 01:02:29 thorpej Exp $ */
/*-
@@ -71,7 +71,8 @@
#define MAXUPRC CHILD_MAX /* max simultaneous processes */
#define NCARGS ARG_MAX /* max bytes for an exec function */
#define NGROUPS NGROUPS_MAX /* max number groups */
-#define NOFILE OPEN_MAX /* max open files per process */
+#define NOFILE OPEN_MAX /* max open files per process (soft) */
+#define NOFILE_MAX 1024 /* max open files per process (hard) */
#define NOGROUP 65535 /* marker for empty group set member */
#define MAXHOSTNAMELEN 256 /* max hostname size */