示例#1
0
文件: tc.os.c 项目: tcsh-org/tcsh
void
osinit(void)
{
#ifdef OREO
    set42sig();
    setcompat(getcompat() & ~COMPAT_EXEC);
    signal(SIGIO, SIG_IGN);		/* ignore SIGIO */
#endif /* OREO */

#ifdef aiws
    {
	struct sigstack inst;
	inst.ss_sp = xmalloc(4192) + 4192;
	inst.ss_onstack = 0;
	sigstack(&inst, NULL);
    }
#endif /* aiws */

#ifdef apollo
    (void) isapad();
#endif

#ifdef _SX
    /* 
     * kill(SIGCONT) problems, don't know what this syscall does
     * [[email protected]]
     */
    syscall(151, getpid(), getpid());
#endif /* _SX */
}
示例#2
0
static void prefork_hooks(apr_pool_t *p)
{
    /* The prefork open_logs phase must run before the core's, or stderr
     * will be redirected to a file, and the messages won't print to the
     * console.
     */
    static const char *const aszSucc[] = {"core.c", NULL};

#ifdef AUX3
    (void) set42sig();
#endif

    ap_hook_open_logs(prefork_open_logs, NULL, aszSucc, APR_HOOK_MIDDLE);
    /* we need to set the MPM state before other pre-config hooks use MPM query
     * to retrieve it, so register as REALLY_FIRST
     */
    ap_hook_pre_config(prefork_pre_config, NULL, NULL, APR_HOOK_REALLY_FIRST);
}
示例#3
0
文件: osinit.c 项目: npe9/sprite
OsInit()
{
    static Bool been_here = FALSE;
    char fname[MAXPATHLEN];

#ifdef macII
    set42sig();
#endif

    /* hack test to decide where to log errors */

    if (!been_here) {
	if (write (2, fname, 0)) 
	{
	    long t; 
	    char *ctime();
	    FILE *err;
	    fclose(stdin);
	    fclose(stdout);
	    sprintf (fname, ADMPATH, display);
	    /*
	     * uses stdio to avoid os dependencies here,
	     * a real os would use
 	     *  open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666)
	     */
	    if (!(err = fopen (fname, "a")))
		err = fopen ("/dev/null", "w");
	    if (err && (fileno(err) != 2)) {
		dup2 (fileno (err), 2);
		fclose (err);
	    }
#ifdef SYSV		/* yes, even though it is 4.2bsd.... */
	    {
	    static char buf[BUFSIZ];
	    setvbuf (stderr, buf, _IOLBF, BUFSIZ);
	    }
#else
	    setlinebuf(stderr);
#endif
	    time (&t);
	    fprintf (stderr, "start %s", ctime(&t));
	}

	if (getpgrp (0) == 0)
	    setpgrp (0, getpid ());


#ifndef SYSV
#if !defined(AIXrt) && !defined(AIX386)
	if (limitDataSpace >= 0)
	{
	    struct rlimit	rlim;

	    if (!getrlimit(RLIMIT_DATA, &rlim))
	    {
		if ((limitDataSpace > 0) && (limitDataSpace < rlim.rlim_max))
		    rlim.rlim_cur = limitDataSpace;
		else
		    rlim.rlim_cur = rlim.rlim_max;
		(void)setrlimit(RLIMIT_DATA, &rlim);
	    }
	}
	if (limitStackSpace >= 0)
	{
	    struct rlimit	rlim;

	    if (!getrlimit(RLIMIT_STACK, &rlim))
	    {
		if ((limitStackSpace > 0) && (limitStackSpace < rlim.rlim_max))
		    rlim.rlim_cur = limitStackSpace;
		else
		    rlim.rlim_cur = rlim.rlim_max;
		(void)setrlimit(RLIMIT_STACK, &rlim);
	    }
	}
#endif
#endif
	been_here = TRUE;
    }

    if (!rgb_dbm)
    {
#ifdef NDBM
	rgb_dbm = dbm_open(rgbPath, 0, 0);
#else
	if (dbminit(rgbPath) == 0)
	    rgb_dbm = 1;
#endif
	if (!rgb_dbm)
	    ErrorF( "Couldn't open RGB_DB '%s'\n", rgbPath );
    }
}
示例#4
0
void
OsInit(void)
{
    static Bool been_here = FALSE;
    static char* admpath = ADMPATH;
    static char* devnull = "/dev/null";
    char fname[PATH_MAX];

#ifdef macII
    set42sig();
#endif

    if (!been_here) {
#if !defined(__SCO__) && !defined(__CYGWIN__) && !defined(__UNIXWARE__)
	fclose(stdin);
	fclose(stdout);
#endif
	/* 
	 * If a write of zero bytes to stderr returns non-zero, i.e. -1, 
	 * then writing to stderr failed, and we'll write somewhere else 
	 * instead. (Apparently this never happens in the Real World.)
	 */
	if (write (2, fname, 0) == -1) 
	{
	    FILE *err;

	    if (strlen (display) + strlen (admpath) + 1 < sizeof fname)
		sprintf (fname, admpath, display);
	    else
		strcpy (fname, devnull);
	    /*
	     * uses stdio to avoid os dependencies here,
	     * a real os would use
 	     *  open (fname, O_WRONLY|O_APPEND|O_CREAT, 0666)
	     */
	    if (!(err = fopen (fname, "a+")))
		err = fopen (devnull, "w");
	    if (err && (fileno(err) != 2)) {
		dup2 (fileno (err), 2);
		fclose (err);
	    }
#if defined(SYSV) || defined(SVR4) || defined(__UNIXOS2__) || defined(WIN32) || defined(__CYGWIN__)
	    {
	    static char buf[BUFSIZ];
	    setvbuf (stderr, buf, _IOLBF, BUFSIZ);
	    }
#else
	    setlinebuf(stderr);
#endif
	}

#ifndef X_NOT_POSIX
	if (getpgrp () == 0)
	    setpgid (0, 0);
#else
#if !defined(SYSV) && !defined(WIN32)
	if (getpgrp (0) == 0)
	    setpgrp (0, getpid ());
#endif
#endif

#ifdef RLIMIT_DATA
	if (limitDataSpace >= 0)
	{
	    struct rlimit	rlim;

	    if (!getrlimit(RLIMIT_DATA, &rlim))
	    {
		if ((limitDataSpace > 0) && (limitDataSpace < rlim.rlim_max))
		    rlim.rlim_cur = limitDataSpace;
		else
		    rlim.rlim_cur = rlim.rlim_max;
		(void)setrlimit(RLIMIT_DATA, &rlim);
	    }
	}
#endif
#ifdef RLIMIT_STACK
	if (limitStackSpace >= 0)
	{
	    struct rlimit	rlim;

	    if (!getrlimit(RLIMIT_STACK, &rlim))
	    {
		if ((limitStackSpace > 0) && (limitStackSpace < rlim.rlim_max))
		    rlim.rlim_cur = limitStackSpace;
		else
		    rlim.rlim_cur = rlim.rlim_max;
		(void)setrlimit(RLIMIT_STACK, &rlim);
	    }
	}
#endif
#ifdef RLIMIT_NOFILE
	if (limitNoFile >= 0)
	{
	    struct rlimit	rlim;

	    if (!getrlimit(RLIMIT_NOFILE, &rlim))
	    {
		if ((limitNoFile > 0) && (limitNoFile < rlim.rlim_max))
		    rlim.rlim_cur = limitNoFile;
		else
		    rlim.rlim_cur = rlim.rlim_max;
#if 0
		if (rlim.rlim_cur > MAXSOCKS)
		    rlim.rlim_cur = MAXSOCKS;
#endif
		(void)setrlimit(RLIMIT_NOFILE, &rlim);
	    }
	}
#endif
#ifdef SERVER_LOCK
	LockServer();
#endif
	been_here = TRUE;
    }
    TimerInit();
#ifdef DDXOSINIT
    OsVendorInit();
#endif
    /*
     * No log file by default.  OsVendorInit() should call LogInit() with the
     * log file name if logging to a file is desired.
     */
    LogInit(NULL, NULL);
#ifdef SMART_SCHEDULE
    if (!SmartScheduleDisable)
	if (!SmartScheduleInit ())
	    SmartScheduleDisable = TRUE;
#endif
    OsInitAllocator();
    if (!OsDelayInitColors) OsInitColors();
}