JehanneOS/mksh
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Add check for the nice(3) system call.

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It may be not implemented on some plaforms, though it's usually present.

Required to compile on Haiku as of 2008 October.
This commit is contained in:
ahoka 2008-10-26 21:51:27 +00:00
parent 8230c9d8ae
commit 776cc76ccb
4 changed files with 15 additions and 4 deletions
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7
Build.sh
View File

@ -1,5 +1,5 @@
#!/bin/sh
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.361 2008/10/25 12:58:41 tg Exp $'
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.362 2008/10/26 21:51:25 ahoka Exp $'
#-
# Environment used: CC CFLAGS CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NOPWNAM MKSH_NOVI
@ -1037,6 +1037,11 @@ ac_test mkstemp <<-'EOF'
int main(void) { char tmpl[] = "X"; return (mkstemp(tmpl)); }
EOF
ac_test nice <<-'EOF'
#include <unistd.h>
int main(void) { return (nice(4)); }
EOF
ac_test setlocale_ctype '' 'setlocale(LC_CTYPE, "")' <<-'EOF'
#include <locale.h>
#include <stddef.h>

4
jobs.c
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@ -2,7 +2,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/jobs.c,v 1.37 2008/10/13 23:06:03 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/jobs.c,v 1.38 2008/10/26 21:51:26 ahoka Exp $");
/* Order important! */
#define PRUNNING 0
@ -402,8 +402,10 @@ exchild(struct op *t, int flags, /* used if XPCLOSE or XCCLOSE */ int close_fd)
setsig(&sigtraps[tt_sigs[i]], SIG_DFL,
SS_RESTORE_DFL|SS_FORCE);
}
#if HAVE_NICE
if (Flag(FBGNICE) && (flags & XBGND))
(void)nice(4);
#endif
if ((flags & XBGND) && !Flag(FMONITOR)) {
setsig(&sigtraps[SIGINT], SIG_IGN,
SS_RESTORE_IGN|SS_FORCE);

4
misc.c
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@ -6,7 +6,7 @@
#include <grp.h>
#endif
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.86 2008/10/13 23:06:03 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/misc.c,v 1.87 2008/10/26 21:51:26 ahoka Exp $");
#undef USE_CHVT
#if defined(TIOCSCTTY) && !defined(MKSH_SMALL)
@ -113,7 +113,9 @@ const struct shoption options[] = {
{ "arc4random", 0, OF_ANY },
#endif
{ "braceexpand", 0, OF_ANY }, /* non-standard */
#if HAVE_NICE
{ "bgnice", 0, OF_ANY },
#endif
{ NULL, 'c', OF_CMDLINE },
{ "emacs", 0, OF_ANY },
{ "errexit", 'e', OF_ANY },

4
sh.h
View File

@ -100,7 +100,7 @@
#define __SCCSID(x) __IDSTRING(sccsid,x)
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.246 2008/10/26 20:59:40 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.247 2008/10/26 21:51:27 ahoka Exp $");
#endif
#define MKSH_VERSION "R36 2008/10/26"
@ -434,7 +434,9 @@ enum sh_flag {
FARC4RANDOM, /* use 0:rand(3) 1:arc4random(3) 2:switch on write */
#endif
FBRACEEXPAND, /* enable {} globbing */
#if HAVE_NICE
FBGNICE, /* bgnice */
#endif
FCOMMAND, /* -c: (invocation) execute specified command */
FEMACS, /* emacs command editing */
FERREXIT, /* -e: quit on error */