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support dæmonisation in mksh, for example

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|	csh -cf '/command/svscanboot &'
and
|	/usr/mpkg/bin/pgrphack /usr/mpkg/bin/svscanboot &
can now be replaced with
|	/bin/mksh -T- /usr/mpkg/bin/svscanboot
This commit is contained in:
tg 2008-03-23 22:09:59 +00:00
parent 38a53603d3
commit 83b8798da3
4 changed files with 36 additions and 29 deletions
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4
check.t
View File

@ -1,4 +1,4 @@
# $MirOS: src/bin/mksh/check.t,v 1.160 2008/03/23 20:54:29 tg Exp $ # $MirOS: src/bin/mksh/check.t,v 1.161 2008/03/23 22:09:57 tg Exp $
# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $ # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $ # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $ # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@ -7,7 +7,7 @@
# http://www.research.att.com/~gsf/public/ifs.sh # http://www.research.att.com/~gsf/public/ifs.sh
expected-stdout: expected-stdout:
@(#)MIRBSD KSH R33 2008/03/05 @(#)MIRBSD KSH R33 2008/03/23
description: description:
Check version of shell. Check version of shell.
category: pdksh category: pdksh

10
misc.c
View File

@ -6,7 +6,7 @@
#include <grp.h> #include <grp.h>
#endif #endif
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.68 2008/02/27 01:00:09 tg Exp $\t" __RCSID("$MirOS: src/bin/mksh/misc.c,v 1.69 2008/03/23 22:09:58 tg Exp $\t"
MKSH_SH_H_ID); MKSH_SH_H_ID);
#undef USE_CHVT #undef USE_CHVT
@ -1337,6 +1337,10 @@ chvt(const char *fn)
struct stat sb; struct stat sb;
int fd; int fd;
if (*fn == '-') {
memcpy(dv, "-/dev/null", sizeof ("-/dev/null"));
fn = dv + 1;
} else {
if (stat(fn, &sb)) { if (stat(fn, &sb)) {
memcpy(dv, "/dev/ttyC", 9); memcpy(dv, "/dev/ttyC", 9);
strlcpy(dv + 9, fn, 20 - 9); strlcpy(dv + 9, fn, 20 - 9);
@ -1358,7 +1362,7 @@ chvt(const char *fn)
#endif #endif
warningf(false, "chvt: cannot revoke %s, new shell is" warningf(false, "chvt: cannot revoke %s, new shell is"
" potentially insecure", fn); " potentially insecure", fn);
}
if ((fd = open(fn, O_RDWR)) == -1) { if ((fd = open(fn, O_RDWR)) == -1) {
sleep(1); sleep(1);
if ((fd = open(fn, O_RDWR)) == -1) if ((fd = open(fn, O_RDWR)) == -1)
@ -1374,7 +1378,7 @@ chvt(const char *fn)
} }
if (setsid() == -1) if (setsid() == -1)
errorf("chvt: setsid failed"); errorf("chvt: setsid failed");
if (ioctl(fd, TIOCSCTTY, NULL) == -1) if ((fn != dv + 1) && ioctl(fd, TIOCSCTTY, NULL) == -1)
errorf("chvt: TIOCSCTTY failed"); errorf("chvt: TIOCSCTTY failed");
dup2(fd, 0); dup2(fd, 0);
dup2(fd, 1); dup2(fd, 1);

11
mksh.1
View File

@ -1,4 +1,4 @@
.\" $MirOS: src/bin/mksh/mksh.1,v 1.113 2008/03/04 00:09:34 tg Exp $ .\" $MirOS: src/bin/mksh/mksh.1,v 1.114 2008/03/23 22:09:58 tg Exp $
.\" $OpenBSD: ksh.1,v 1.120 2007/05/31 20:47:44 otto Exp $ .\" $OpenBSD: ksh.1,v 1.120 2007/05/31 20:47:44 otto Exp $
.\"- .\"-
.\" Try to make GNU groff and AT&T nroff more compatible .\" Try to make GNU groff and AT&T nroff more compatible
@ -30,7 +30,7 @@
.el .xD \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8 .el .xD \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8
.. ..
.\"- .\"-
.Dd $Mdocdate: March 4 2008 $ .Dd $Mdocdate: March 23 2008 $
.Dt MKSH 1 .Dt MKSH 1
.Os MirBSD .Os MirBSD
.Sh NAME .Sh NAME
@ -41,7 +41,7 @@
.Nm .Nm
.Bk -words .Bk -words
.Op Fl +abCefhiklmnprUuvXx .Op Fl +abCefhiklmnprUuvXx
.Op Fl T Ar /dev/ttyCn .Op Fl T Ar /dev/ttyCn | \-
.Op Fl +o Ar option .Op Fl +o Ar option
.Oo Fl c Ar string \*(Ba Fl s \*(Ba .Oo Fl c Ar string \*(Ba Fl s \*(Ba
.Ar \ file\ \& .Ar \ file\ \&
@ -171,6 +171,9 @@ on the
.Xr tty 4 .Xr tty 4
device given. device given.
Superuser only. Superuser only.
If
.Ar tty
is a dash, detach from controlling terminal (daemonise) instead.
.El .El
.Pp .Pp
In addition to the above, the options described in the In addition to the above, the options described in the
@ -5452,7 +5455,7 @@ and many other persons, and is currently maintained by
.An Thorsten Glaser Aq tg@mirbsd.de . .An Thorsten Glaser Aq tg@mirbsd.de .
.Sh BUGS .Sh BUGS
This document attempts to describe This document attempts to describe
.Nm mksh\ R33 .Nm mksh\ R33b
and up, and up,
compiled without any options impacting functionality, such as compiled without any options impacting functionality, such as
.Dv MKSH_SMALL , .Dv MKSH_SMALL ,

4
sh.h
View File

@ -8,8 +8,8 @@
/* $OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $ */ /* $OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $ */
/* $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $ */ /* $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $ */
#define MKSH_SH_H_ID "$MirOS: src/bin/mksh/sh.h,v 1.196 2008/03/23 20:55:18 tg Exp $" #define MKSH_SH_H_ID "$MirOS: src/bin/mksh/sh.h,v 1.197 2008/03/23 22:09:59 tg Exp $"
#define MKSH_VERSION "R33 2008/03/05" #define MKSH_VERSION "R33 2008/03/23"
#if HAVE_SYS_PARAM_H #if HAVE_SYS_PARAM_H
#include <sys/param.h> #include <sys/param.h>