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[src/trunk]: src Add a sysconf(3) knob for {ATEXIT_MAX}.
details: https://anonhg.NetBSD.org/src/rev/f98683b5fdbe
branches: trunk
changeset: 540607:f98683b5fdbe
user: kleink <kleink%NetBSD.org@localhost>
date: Thu Dec 19 23:31:54 2002 +0000
description:
Add a sysconf(3) knob for {ATEXIT_MAX}.
diffstat:
lib/libc/gen/sysconf.3 | 7 +++++--
lib/libc/gen/sysconf.c | 12 ++++++++++--
lib/libc/gen/sysctl.3 | 8 ++++++--
lib/libc/gen/sysctl.c | 7 +++++--
sys/sys/sysctl.h | 6 ++++--
sys/sys/unistd.h | 3 ++-
usr.bin/getconf/getconf.c | 7 +++++--
7 files changed, 37 insertions(+), 13 deletions(-)
diffs (197 lines):
diff -r af0332678c9a -r f98683b5fdbe lib/libc/gen/sysconf.3
--- a/lib/libc/gen/sysconf.3 Thu Dec 19 23:04:26 2002 +0000
+++ b/lib/libc/gen/sysconf.3 Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: sysconf.3,v 1.20 2002/02/08 12:12:55 kleink Exp $
+.\" $NetBSD: sysconf.3,v 1.21 2002/12/19 23:31:54 kleink Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@@ -33,7 +33,7 @@
.\"
.\" @(#)sysconf.3 8.3 (Berkeley) 4/19/94
.\"
-.Dd January 31, 2002
+.Dd December 19, 2002
.Dt SYSCONF 3
.Os
.Sh NAME
@@ -68,6 +68,9 @@
.It Li _SC_ARG_MAX
The maximum bytes of argument to
.Xr execve 2 .
+.It Li _SC_ATEXIT_MAX
+The maxmimum number of functions that may be registered with
+.Xr atexit 3 .
.It Li _SC_CHILD_MAX
The maximum number of simultaneous processes per user id.
.It Li _SC_CLK_TCK
diff -r af0332678c9a -r f98683b5fdbe lib/libc/gen/sysconf.c
--- a/lib/libc/gen/sysconf.c Thu Dec 19 23:04:26 2002 +0000
+++ b/lib/libc/gen/sysconf.c Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sysconf.c,v 1.16 2002/06/30 09:45:40 bjh21 Exp $ */
+/* $NetBSD: sysconf.c,v 1.17 2002/12/19 23:31:54 kleink Exp $ */
/*-
* Copyright (c) 1993
@@ -41,7 +41,7 @@
#if 0
static char sccsid[] = "@(#)sysconf.c 8.2 (Berkeley) 3/20/94";
#else
-__RCSID("$NetBSD: sysconf.c,v 1.16 2002/06/30 09:45:40 bjh21 Exp $");
+__RCSID("$NetBSD: sysconf.c,v 1.17 2002/12/19 23:31:54 kleink Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@@ -258,6 +258,14 @@
case _SC_XOPEN_SHM:
mib[0] = CTL_KERN;
mib[1] = KERN_SYSVSHM;
+ goto yesno;
+
+/* 1003.1-2001, XSI Option Group */
+ case _SC_ATEXIT_MAX:
+ mib[0] = CTL_USER;
+ mib[1] = USER_ATEXIT_MAX;
+ break;
+
yesno: if (sysctl(mib, 2, &value, &len, NULL, 0) == -1)
return (-1);
if (value == 0)
diff -r af0332678c9a -r f98683b5fdbe lib/libc/gen/sysctl.3
--- a/lib/libc/gen/sysctl.3 Thu Dec 19 23:04:26 2002 +0000
+++ b/lib/libc/gen/sysctl.3 Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: sysctl.3,v 1.105 2002/12/18 20:17:43 wiz Exp $
+.\" $NetBSD: sysctl.3,v 1.106 2002/12/19 23:31:54 kleink Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@@ -33,7 +33,7 @@
.\"
.\" @(#)sysctl.3 8.4 (Berkeley) 5/9/95
.\"
-.Dd June 24, 1999
+.Dd December 19, 2002
.Dt SYSCTL 3
.Os
.Sh NAME
@@ -1408,6 +1408,7 @@
.It USER\_RE\_DUP\_MAX integer no
.It USER\_STREAM\_MAX integer no
.It USER\_TZNAME\_MAX integer no
+.It USER\_ATEXIT\_MAX integer no
.El
.Bl -tag -width "123456"
.Pp
@@ -1477,6 +1478,9 @@
.It Li USER_TZNAME_MAX
The minimum maximum number of types supported for the name of a
timezone.
+.It Li USER_ATEXIT_MAX
+The maximum namber of functions that may be registered with
+.Xr atexit 3 .
.El
.Sh CTL_VM
The string and integer information available for the CTL_VM level
diff -r af0332678c9a -r f98683b5fdbe lib/libc/gen/sysctl.c
--- a/lib/libc/gen/sysctl.c Thu Dec 19 23:04:26 2002 +0000
+++ b/lib/libc/gen/sysctl.c Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sysctl.c,v 1.11 2000/01/22 22:19:12 mycroft Exp $ */
+/* $NetBSD: sysctl.c,v 1.12 2002/12/19 23:31:55 kleink Exp $ */
/*-
* Copyright (c) 1993
@@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)sysctl.c 8.2 (Berkeley) 1/4/94";
#else
-__RCSID("$NetBSD: sysctl.c,v 1.11 2000/01/22 22:19:12 mycroft Exp $");
+__RCSID("$NetBSD: sysctl.c,v 1.12 2002/12/19 23:31:55 kleink Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@@ -190,6 +190,9 @@
case USER_TZNAME_MAX:
*(int *)oldp = NAME_MAX;
return (0);
+ case USER_ATEXIT_MAX:
+ *(int *)oldp = -1; /* ANSI C minimum provided; not limited */
+ return (0);
default:
errno = EINVAL;
return (-1);
diff -r af0332678c9a -r f98683b5fdbe sys/sys/sysctl.h
--- a/sys/sys/sysctl.h Thu Dec 19 23:04:26 2002 +0000
+++ b/sys/sys/sysctl.h Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sysctl.h,v 1.85 2002/12/11 19:14:35 jdolecek Exp $ */
+/* $NetBSD: sysctl.h,v 1.86 2002/12/19 23:31:56 kleink Exp $ */
/*
* Copyright (c) 1989, 1993
@@ -527,7 +527,8 @@
#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
-#define USER_MAXID 21 /* number of valid user ids */
+#define USER_ATEXIT_MAX 21 /* int: {ATEXIT_MAX} */
+#define USER_MAXID 22 /* number of valid user ids */
#define CTL_USER_NAMES { \
{ 0, 0 }, \
@@ -551,6 +552,7 @@
{ "posix2_upe", CTLTYPE_INT }, \
{ "stream_max", CTLTYPE_INT }, \
{ "tzname_max", CTLTYPE_INT }, \
+ { "atexit_max", CTLTYPE_INT }, \
}
/*
diff -r af0332678c9a -r f98683b5fdbe sys/sys/unistd.h
--- a/sys/sys/unistd.h Thu Dec 19 23:04:26 2002 +0000
+++ b/sys/sys/unistd.h Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: unistd.h,v 1.20 2002/06/30 09:45:40 bjh21 Exp $ */
+/* $NetBSD: unistd.h,v 1.21 2002/12/19 23:31:57 kleink Exp $ */
/*
* Copyright (c) 1989, 1993
@@ -159,6 +159,7 @@
#define _SC_LOGIN_NAME_MAX 37
#define _SC_MONOTONIC_CLOCK 38
#define _SC_CLK_TCK 39 /* New, variable version */
+#define _SC_ATEXIT_MAX 40
/* configurable system strings */
#define _CS_PATH 1
diff -r af0332678c9a -r f98683b5fdbe usr.bin/getconf/getconf.c
--- a/usr.bin/getconf/getconf.c Thu Dec 19 23:04:26 2002 +0000
+++ b/usr.bin/getconf/getconf.c Thu Dec 19 23:31:54 2002 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: getconf.c,v 1.18 2002/08/05 06:35:44 tron Exp $ */
+/* $NetBSD: getconf.c,v 1.19 2002/12/19 23:31:57 kleink Exp $ */
/*-
* Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: getconf.c,v 1.18 2002/08/05 06:35:44 tron Exp $");
+__RCSID("$NetBSD: getconf.c,v 1.19 2002/12/19 23:31:57 kleink Exp $");
#endif /* not lint */
#include <err.h>
@@ -154,6 +154,9 @@
/* X/Open CAE Spec. Issue 5 Version 2 Configurable System Variables */
{ "FILESIZEBITS", PATHCONF, _PC_FILESIZEBITS },
+
+ /* POSIX.1-2001 XSI Option Group Configurable System Variables */
+ { "ATEXIT_MAX", SYSCONF, _SC_ATEXIT_MAX },
{ NULL }
};
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