コード例 #1
0
ファイル: csh.c プロジェクト: ajinkya93/netbsd-src
void
importpath(Char *cp)
{
    Char *dp, **pv;
    int c, i;

    i = 0;
    for (dp = cp; *dp; dp++)
	if (*dp == ':')
	    i++;
    /*
     * i+2 where i is the number of colons in the path. There are i+1
     * directories in the path plus we need room for a zero terminator.
     */
    pv = (Char **)xcalloc((size_t) (i + 2), sizeof(Char **));
    dp = cp;
    i = 0;
    if (*dp)
	for (;;) {
	    if ((c = *dp) == ':' || c == 0) {
		*dp = 0;
		pv[i++] = Strsave(*cp ? cp : STRdot);
		if (c) {
		    cp = dp + 1;
		    *dp = ':';
		}
		else
		    break;
	    }
	    dp++;
	}
    pv[i] = 0;
    setq(STRpath, pv, &shvhed);
}
コード例 #2
0
int main(int argc, char **argv){
    FILE *f = fopen("output.txt","w");

    //intialize PERFL variables
    double* q = calloc(2, sizeof(double));
    q[0] = 1.0;
    q[1] = 0.0;
    //intialize rk4 variables
    ODE rk4 = new_ODE(2);
    setq(rk4,0,1.0);
    setq(rk4,1,0.0);
    set_func(rk4, derivatives);
    
    double h = .02*PERIOD;
    double step_limit;
    double energy_rk,energy_lf,max_dev_lf,max_dev_rk ;
    energy_rk = energy_lf =  max_dev_lf = max_dev_rk = 0.0;
    
    printf("How many periods: ");
    scanf("%lf",&step_limit);
    step_limit = step_limit*50;

    fprintf(f,"t/T \t E_L \t E_K  \n");
    for (int i = 0;i<=step_limit;i++){
        runge_kutta_4_update(rk4, h);
        energy_rk = pow(getq(rk4,0),4)/4.0 + pow(getq(rk4,1),2)/2.0;
        position_verlet(q,force,h);
        energy_lf= pow(q[0],4)/4.0 + pow(q[1],2)/2.0;
        double dev_lf =fabs(energy_lf-0.25);
        double dev_rk =fabs(energy_rk-0.25);
        if(dev_rk > max_dev_rk){max_dev_rk=dev_rk;}
        if(dev_lf > max_dev_lf){max_dev_lf=dev_lf;}
        fprintf(f,"%f \t %.12f \t %.12f \n",(i*h),dev_lf,dev_rk);

    }
    printf("Maximum deviation for PEFRL = %f\n",max_dev_lf);
    printf("Maximum deviation for runge-kutta = %f\n",max_dev_rk) ;
    return 0;

}
コード例 #3
0
ファイル: decoder-cosmo.cpp プロジェクト: pierz/vic
void CosmoWindowDecoder::reset(int inq, int inw, int inh)
{
	/*
	 * Make sure all outstanding putimage's finish.
	 * Syncing with the first window, syncs the server,
	 * and hence all of them.
	 */
	window_->sync();
	
/*XXX*/
if (inq == 0)
	return;

	inq_ = inq;
setq(inq);

	int w = window_->width();
	int h = window_->height();

/*XXX*/
if (w < 300)
	return;

	shutdown();
	startup();

	int options[10];
	int* p = options;
	*p++ = CL_IMAGE_WIDTH;
	*p++ = w;
	*p++ = CL_INTERNAL_IMAGE_WIDTH;
	*p++ = inw;
	*p++ = CL_IMAGE_HEIGHT;
	*p++ = h;
	*p++ = CL_INTERNAL_IMAGE_HEIGHT;
	*p++ = inh;
	/*XXX*/
	*p++ = CL_STREAM_HEADERS;
	*p++ = 0;
#ifdef notdef
	*p++ = CL_ORIGINAL_FORMAT;
	*p++ = ?;
#endif
	int s = clSetParams(ch_, options, 10);
	if (s != 0) {
		printf("clSetParams failed\n");
		exit(1);
	}
	if (vbx_ == 0 || vbx_->width() != w || vbx_->height() != h)
		vbx_ = new SharedVideoImage(window_->tkwin(), w, h);
}
コード例 #4
0
ファイル: dir.c プロジェクト: Bluerise/openbsd-src
static void
dset(Char *dp)
{
    /*
     * Don't call set() directly cause if the directory contains ` or
     * other junk characters glob will fail.
     */
    Char **vec = xreallocarray(NULL, 2, sizeof(*vec));

    vec[0] = Strsave(dp);
    vec[1] = 0;
    setq(STRcwd, vec, &shvhed);
    Setenv(STRPWD, dp);
}
コード例 #5
0
ファイル: dir.c プロジェクト: mikekmv/aeriebsd-src
static void
dset(Char *dp)
{
    /*
     * Don't call set() directly cause if the directory contains ` or
     * other junk characters glob will fail.
     */
    Char **vec = (Char **) xmalloc((size_t) (2 * sizeof(Char **)));

    vec[0] = Strsave(dp);
    vec[1] = 0;
    setq(STRcwd, vec, &shvhed);
    Setenv(STRPWD, dp);
}
コード例 #6
0
ファイル: Algebraic.cpp プロジェクト: Seashell2011/Wickbert
//When loading, increase degree if number of parameters exceed qlen
bool Algebraic::readImplicit(std::ifstream &file,bool verbose)
{
	std::vector<double> params;
	readParameters(file,params);

	if(params.size() != qlen())
	{
		//params doesn't match qlen, change degree
		int newdegree = 0;
		while (Algebraic::coefficients(newdegree) < (int)params.size())
			newdegree++;

		degree(newdegree);
	}
	setq(params);

	return true;
}
コード例 #7
0
ファイル: assignment.c プロジェクト: great90/gcl
static void
FFN(Fpsetq)(object arg)
{
	object *old_top = vs_top;
	object *top;
	object argsv = arg;
	for (top = old_top;  !endp(arg);  arg = MMcddr(arg), top++) {
		if(endp(MMcdr(arg)))
			FEinvalid_form("No value for ~S.", arg->c.c_car);
		
		top[0] = Ieval1(MMcadr(arg));
		vs_top = top + 1;
	}
	for (arg = argsv, top = old_top; !endp(arg); arg = MMcddr(arg), top++)
		setq(MMcar(arg),top[0]);
	vs_base = vs_top = old_top;
	vs_push(Cnil);
}
コード例 #8
0
ファイル: set.c プロジェクト: Open343/bitrig
void
set1(Char *var, Char **vec, struct varent *head)
{
    Char **oldv = vec;

    gflag = 0;
    tglob(oldv);
    if (gflag) {
	vec = globall(oldv);
	if (vec == 0) {
	    blkfree(oldv);
	    stderror(ERR_NAME | ERR_NOMATCH);
	    return;
	}
	blkfree(oldv);
	gargv = 0;
    }
    setq(var, vec, head);
}
コード例 #9
0
ファイル: transition.c プロジェクト: laochailan/taisei
void set_transition_callback(TransitionRule rule, int dur1, int dur2, TransitionCallback cb, void *arg) {
	static bool initialized = false;

	if(!rule) {
		return;
	}

	setq(rule, dur1, dur2, cb, arg);

	if(!initialized) {
		popq();
		initialized = true;
		transition.rule2 = NULL;
	}

	if(transition.state == TRANS_IDLE || rule == transition.rule) {
		popq();
	}
}
コード例 #10
0
ファイル: assignment.c プロジェクト: great90/gcl
static void
FFN(Fsetq)(object form)
{
	object ans;
	if (endp(form)) {
		vs_base = vs_top;
		vs_push(Cnil);
	} else {
		object *top = vs_top;
		do {
			vs_top = top;
			if (endp(MMcdr(form)))
			FEinvalid_form("No value for ~S.", form->c.c_car);
			setq(MMcar(form),ans=Ieval1(MMcadr(form)));
			form = MMcddr(form);
		} while (!endp(form));
		top[0]=ans;
		vs_base=top;
		vs_top= top+1;
	}
}
コード例 #11
0
ファイル: sh.dir.c プロジェクト: lukem/tcsh
static void
dgetstack(void)
{
    int i = 0;
    Char **dblk, **dbp;
    struct directory *dn;

    if (adrof(STRdirstack) == NULL) 
    	return;

    for (dn = dhead.di_prev; dn != &dhead; dn = dn->di_prev, i++)
	continue;
    dbp = dblk = xmalloc((i + 1) * sizeof(Char *));
    for (dn = dhead.di_prev; dn != &dhead; dn = dn->di_prev, dbp++)
	 *dbp = Strsave(dn->di_name);
    *dbp = NULL;
    cleanup_push(dblk, blk_cleanup);
    setq(STRdirstack, dblk, &shvhed, VAR_READWRITE);
    cleanup_ignore(dblk);
    cleanup_until(dblk);
}
コード例 #12
0
ファイル: encoder-pvh.cpp プロジェクト: pierz/vic
PvhEncoder::PvhEncoder() : TransmitterModule(FT_PVH),
 sh_(0), pt_(RTP_PT_PVH)
{
//	bind("pt_", &pt_);
	memset(&cntr_, 0, sizeof(cntr_));
	memset(shs_, 0, sizeof(shs_));

	int i;
	for (i = 0; i < NLAYER; ++i)
		channels_[i].pb = 0;
	
	/*
	 * Set the DC quantizer to 1, since we want to do this
	 * coefficient differently (i.e., the DC is rounded while
	 * the AC terms are truncated).
	 */
	int qt[64];
	for (i = 0; i < 64; ++i)
		qt[i] = 1;

	fdct_fold_q(qt, qt_);

	setq();
}
コード例 #13
0
//overload the display method to include variances
void soc::SocSystem_Ors::displayState(const arr& q,const arr *invQ,const char *text){
  setq(q);
  if(text) gl->text.clr() <<text;
  if(invQ){
    arr Q;
    inverse_SymPosDef(Q,*invQ);
    if(gl->drawers.last().classP!=&plotModule) gl->add(glDrawPlot,&plotModule);
    plotClear();
    TaskVariable *v;
    uint i;
    for_list(i,v,vars){
      if(v->type==posTVT){
        arr X(3,3);
        X = v->J * Q * v->tJ;
        plotCovariance(v->y,X);
        break;
      }
    }
  }
  gl->update();
  //gl->watch();
  //gl->timedupdate(getTau()*(T-1)/(display-1));
  //if(invQ) gl->drawers.popLast();
}
コード例 #14
0
void
set1(const Char *var, Char **vec, struct varent *head, int flags)
{
    Char **oldv = vec;

    if ((flags & VAR_NOGLOB) == 0) {
	int gflag;

	gflag = tglob(oldv);
	if (gflag) {
	    vec = globall(oldv, gflag);
	    if (vec == 0) {
		blkfree(oldv);
		stderror(ERR_NAME | ERR_NOMATCH);
	    }
	    blkfree(oldv);
	}
    }
    /*
     * Uniqueness addition from: Michael Veksler <*****@*****.**>
     */
    if ( flags & (VAR_FIRST | VAR_LAST) ) {
	/*
	 * Code for -f (VAR_FIRST) and -l (VAR_LAST) options.
	 * Method:
	 *  Delete all duplicate words leaving "holes" in the word array (vec).
	 *  Then remove the "holes", keeping the order of the words unchanged.
	 */
	if (vec && vec[0] && vec[1]) { /* more than one word ? */
	    int i, j;
	    int num_items;

	    for (num_items = 0; vec[num_items]; num_items++)
	        continue;
	    if (flags & VAR_FIRST) {
		/* delete duplications, keeping first occurance */
		for (i = 1; i < num_items; i++)
		    for (j = 0; j < i; j++)
			/* If have earlier identical item, remove i'th item */
			if (vec[i] && vec[j] && Strcmp(vec[j], vec[i]) == 0) {
			    xfree(vec[i]);
			    vec[i] = NULL;
			    break;
			}
	    } else if (flags & VAR_LAST) {
	      /* delete duplications, keeping last occurance */
		for (i = 0; i < num_items - 1; i++)
		    for (j = i + 1; j < num_items; j++)
			/* If have later identical item, remove i'th item */
			if (vec[i] && vec[j] && Strcmp(vec[j], vec[i]) == 0) {
			    /* remove identical item (the first) */
			    xfree(vec[i]);
			    vec[i] = NULL;
			}
	    }
	    /* Compress items - remove empty items */
	    for (j = i = 0; i < num_items; i++)
	       if (vec[i]) 
		  vec[j++] = vec[i];

	    /* NULL-fy remaining items */
	    for (; j < num_items; j++)
		 vec[j] = NULL;
	}
	/* don't let the attribute propagate */
	flags &= ~(VAR_FIRST|VAR_LAST);
    } 
    setq(var, vec, head, flags);
}
コード例 #15
0
ファイル: output-file.cpp プロジェクト: pierz/vic
void FILEOutputAssistor::reset(int inq, int w, int h)
{
	Module::size(w, h);
	setq(inq);
}
コード例 #16
0
ファイル: csh.c プロジェクト: ajinkya93/netbsd-src
int
main(int argc, char *argv[])
{
    struct sigaction oact;
    Char *cp;
    char *tcp, **tempv;
    const char *ecp;
    sigset_t nsigset;
    int f;

    cshin = stdin;
    cshout = stdout;
    csherr = stderr;

    setprogname(argv[0]);
    settimes();			/* Immed. estab. timing base */

    /*
     * Initialize non constant strings
     */
#ifdef _PATH_BSHELL
    STR_BSHELL = SAVE(_PATH_BSHELL);
#endif
#ifdef _PATH_CSHELL
    STR_SHELLPATH = SAVE(_PATH_CSHELL);
#endif
    STR_environ = blk2short(environ);
    environ = short2blk(STR_environ);	/* So that we can free it */
    STR_WORD_CHARS = SAVE(WORD_CHARS);

    HIST = '!';
    HISTSUB = '^';
    word_chars = STR_WORD_CHARS;

    tempv = argv;
    if (eq(str2short(tempv[0]), STRaout))	/* A.out's are quittable */
	quitit = 1;
    uid = getuid();
    gid = getgid();
    euid = geteuid();
    egid = getegid();
    /*
     * We are a login shell if: 1. we were invoked as -<something> and we had
     * no arguments 2. or we were invoked only with the -l flag
     */
    loginsh = (**tempv == '-' && argc == 1) ||
	(argc == 2 && tempv[1][0] == '-' && tempv[1][1] == 'l' &&
	 tempv[1][2] == '\0');

    if (loginsh && **tempv != '-') {
	/*
	 * Mangle the argv space
	 */
	tempv[1][0] = '\0';
	tempv[1][1] = '\0';
	tempv[1] = NULL;
	for (tcp = *tempv; *tcp++;)
	    continue;
	for (tcp--; tcp >= *tempv; tcp--)
	    tcp[1] = tcp[0];
	*++tcp = '-';
	argc--;
    }
    if (loginsh)
	(void)time(&chktim);

    AsciiOnly = 1;
#ifdef NLS
    (void)setlocale(LC_ALL, "");
    {
	int k;

	for (k = 0200; k <= 0377 && !Isprint(k); k++)
	    continue;
	AsciiOnly = k > 0377;
    }
#else
    AsciiOnly = getenv("LANG") == NULL && getenv("LC_CTYPE") == NULL;
#endif				/* NLS */

    /*
     * Move the descriptors to safe places. The variable didfds is 0 while we
     * have only FSH* to work with. When didfds is true, we have 0,1,2 and
     * prefer to use these.
     */
    initdesc();
    /*
     * XXX: This is to keep programs that use stdio happy.
     *	    what we really want is freunopen() ....
     *	    Closing cshin cshout and csherr (which are really stdin stdout
     *	    and stderr at this point and then reopening them in the same order
     *	    gives us again stdin == cshin stdout == cshout and stderr == csherr.
     *	    If that was not the case builtins like printf that use stdio
     *	    would break. But in any case we could fix that with memcpy and
     *	    a bit of pointer manipulation...
     *	    Fortunately this is not needed under the current implementation
     *	    of stdio.
     */
    (void)fclose(cshin);
    (void)fclose(cshout);
    (void)fclose(csherr);
    if (!(cshin  = funopen2((void *) &SHIN,  readf, writef, seekf, NULL,
	closef)))
	exit(1);
    if (!(cshout = funopen2((void *) &SHOUT, readf, writef, seekf, NULL,
	closef)))
	exit(1);
    if (!(csherr = funopen2((void *) &SHERR, readf, writef, seekf, NULL,
	closef)))
	exit(1);
    (void)setvbuf(cshin,  NULL, _IOLBF, 0);
    (void)setvbuf(cshout, NULL, _IOLBF, 0);
    (void)setvbuf(csherr, NULL, _IOLBF, 0);

    /*
     * Initialize the shell variables. ARGV and PROMPT are initialized later.
     * STATUS is also munged in several places. CHILD is munged when
     * forking/waiting
     */
    set(STRstatus, Strsave(STR0));

    if ((ecp = getenv("HOME")) != NULL)
	cp = quote(SAVE(ecp));
    else
	cp = NULL;

    if (cp == NULL)
	fast = 1;		/* No home -> can't read scripts */
    else
	set(STRhome, cp);
    dinit(cp);			/* dinit thinks that HOME == cwd in a login
				 * shell */
    /*
     * Grab other useful things from the environment. Should we grab
     * everything??
     */
    if ((ecp = getenv("LOGNAME")) != NULL ||
	(ecp = getenv("USER")) != NULL)
	set(STRuser, quote(SAVE(ecp)));
    if ((ecp = getenv("TERM")) != NULL)
	set(STRterm, quote(SAVE(ecp)));

    /*
     * Re-initialize path if set in environment
     */
    if ((ecp = getenv("PATH")) == NULL) {
#ifdef _PATH_DEFPATH
	importpath(str2short(_PATH_DEFPATH));
#else
	setq(STRpath, defaultpath(), &shvhed);
#endif
    } else {
	importpath(str2short(ecp));
    }

    set(STRshell, Strsave(STR_SHELLPATH));

    doldol = putn((int) getpid());	/* For $$ */
    shtemp = Strspl(STRtmpsh, doldol);	/* For << */

    /*
     * Record the interrupt states from the parent process. If the parent is
     * non-interruptible our hand must be forced or we (and our children) won't
     * be either. Our children inherit termination from our parent. We catch it
     * only if we are the login shell.
     */
    /* parents interruptibility */
    (void)sigaction(SIGINT, NULL, &oact);
    parintr = oact.sa_handler;
    (void)sigaction(SIGTERM, NULL, &oact);
    parterm = oact.sa_handler;

    /* catch these all, login shell or not */
    (void)signal(SIGHUP, phup);	/* exit processing on HUP */
    (void)signal(SIGXCPU, phup);	/* ...and on XCPU */
    (void)signal(SIGXFSZ, phup);	/* ...and on XFSZ */

    /*
     * Process the arguments.
     *
     * Note that processing of -v/-x is actually delayed till after script
     * processing.
     *
     * We set the first character of our name to be '-' if we are a shell
     * running interruptible commands.  Many programs which examine ps'es
     * use this to filter such shells out.
     */
    argc--, tempv++;
    while (argc > 0 && (tcp = tempv[0])[0] == '-' && *++tcp != '\0' && !batch) {
	do
	    switch (*tcp++) {
	    case 0:		/* -	Interruptible, no prompt */
		prompt = 0;
		setintr = 1;
		nofile = 1;
		break;
	    case 'b':		/* -b	Next arg is input file */
		batch = 1;
		break;
	    case 'c':		/* -c	Command input from arg */
		if (argc == 1)
		    xexit(0);
		argc--, tempv++;
		arginp = SAVE(tempv[0]);
		prompt = 0;
		nofile = 1;
		break;
	    case 'e':		/* -e	Exit on any error */
		exiterr = 1;
		break;
	    case 'f':		/* -f	Fast start */
		fast = 1;
		break;
	    case 'i':		/* -i	Interactive, even if !intty */
		intact = 1;
		nofile = 1;
		break;
	    case 'm':		/* -m	read .cshrc (from su) */
		mflag = 1;
		break;
	    case 'n':		/* -n	Don't execute */
		noexec = 1;
		break;
	    case 'q':		/* -q	(Undoc'd) ... die on quit */
		quitit = 1;
		break;
	    case 's':		/* -s	Read from std input */
		nofile = 1;
		break;
	    case 't':		/* -t	Read one line from input */
		onelflg = 2;
		prompt = 0;
		nofile = 1;
		break;
	    case 'v':		/* -v	Echo hist expanded input */
		nverbose = 1;	/* ... later */
		break;
	    case 'x':		/* -x	Echo just before execution */
		nexececho = 1;	/* ... later */
		break;
	    case 'V':		/* -V	Echo hist expanded input */
		setNS(STRverbose);	/* NOW! */
		break;
	    case 'X':		/* -X	Echo just before execution */
		setNS(STRecho);	/* NOW! */
		break;

	} while (*tcp);
	tempv++, argc--;
    }

    if (quitit)			/* With all due haste, for debugging */
	(void)signal(SIGQUIT, SIG_DFL);

    /*
     * Unless prevented by -, -c, -i, -s, or -t, if there are remaining
     * arguments the first of them is the name of a shell file from which to
     * read commands.
     */
    if (nofile == 0 && argc > 0) {
	nofile = open(tempv[0], O_RDONLY);
	if (nofile < 0) {
	    child = 1;		/* So this doesn't return */
	    stderror(ERR_SYSTEM, tempv[0], strerror(errno));
	}
	ffile = SAVE(tempv[0]);
	/*
	 * Replace FSHIN. Handle /dev/std{in,out,err} specially
	 * since once they are closed we cannot open them again.
	 * In that case we use our own saved descriptors
	 */
	if ((SHIN = dmove(nofile, FSHIN)) < 0)
	    switch(nofile) {
	    case 0:
		SHIN = FSHIN;
		break;
	    case 1:
		SHIN = FSHOUT;
		break;
	    case 2:
		SHIN = FSHERR;
		break;
	    default:
		stderror(ERR_SYSTEM, tempv[0], strerror(errno));
		/* NOTREACHED */
	    }
	(void)ioctl(SHIN, FIOCLEX, NULL);
	prompt = 0;
	 /* argc not used any more */ tempv++;
    }

    intty = isatty(SHIN);
    intty |= intact;
    if (intty || (intact && isatty(SHOUT))) {
	if (!batch && (uid != euid || gid != egid)) {
	    errno = EACCES;
	    child = 1;		/* So this doesn't return */
	    stderror(ERR_SYSTEM, "csh", strerror(errno));
	}
    }
    /*
     * Decide whether we should play with signals or not. If we are explicitly
     * told (via -i, or -) or we are a login shell (arg0 starts with -) or the
     * input and output are both the ttys("csh", or "csh</dev/ttyx>/dev/ttyx")
     * Note that in only the login shell is it likely that parent may have set
     * signals to be ignored
     */
    if (loginsh || intact || (intty && isatty(SHOUT)))
	setintr = 1;
    settell();
    /*
     * Save the remaining arguments in argv.
     */
    setq(STRargv, blk2short(tempv), &shvhed);

    /*
     * Set up the prompt.
     */
    if (prompt) {
	set(STRprompt, Strsave(uid == 0 ? STRsymhash : STRsymcent));
	/* that's a meta-questionmark */
	set(STRprompt2, Strsave(STRmquestion));
    }

    /*
     * If we are an interactive shell, then start fiddling with the signals;
     * this is a tricky game.
     */
    shpgrp = getpgrp();
    opgrp = tpgrp = -1;
    if (setintr) {
	**argv = '-';
	if (!quitit)		/* Wary! */
	    (void)signal(SIGQUIT, SIG_IGN);
	(void)signal(SIGINT, pintr);
	sigemptyset(&nsigset);
	(void)sigaddset(&nsigset, SIGINT);
	(void)sigprocmask(SIG_BLOCK, &nsigset, NULL);
	(void)signal(SIGTERM, SIG_IGN);
	if (quitit == 0 && arginp == 0) {
	    (void)signal(SIGTSTP, SIG_IGN);
	    (void)signal(SIGTTIN, SIG_IGN);
	    (void)signal(SIGTTOU, SIG_IGN);
	    /*
	     * Wait till in foreground, in case someone stupidly runs csh &
	     * dont want to try to grab away the tty.
	     */
	    if (isatty(FSHERR))
		f = FSHERR;
	    else if (isatty(FSHOUT))
		f = FSHOUT;
	    else if (isatty(OLDSTD))
		f = OLDSTD;
	    else
		f = -1;
    retry:
	    if ((tpgrp = tcgetpgrp(f)) != -1) {
		if (tpgrp != shpgrp) {
		    sig_t old = signal(SIGTTIN, SIG_DFL);
		    (void)kill(0, SIGTTIN);
		    (void)signal(SIGTTIN, old);
		    goto retry;
		}
		opgrp = shpgrp;
		shpgrp = getpid();
		tpgrp = shpgrp;
		/*
		 * Setpgid will fail if we are a session leader and
		 * mypid == mypgrp (POSIX 4.3.3)
		 */
		if (opgrp != shpgrp)
		    if (setpgid(0, shpgrp) == -1)
			goto notty;
		/*
		 * We do that after we set our process group, to make sure
		 * that the process group belongs to a process in the same
		 * session as the tty (our process and our group) (POSIX 7.2.4)
		 */
		if (tcsetpgrp(f, shpgrp) == -1)
		    goto notty;
		(void)ioctl(dcopy(f, FSHTTY), FIOCLEX, NULL);
	    }
	    if (tpgrp == -1) {
notty:
		(void)fprintf(csherr, "Warning: no access to tty (%s).\n",
			       strerror(errno));
		(void)fprintf(csherr, "Thus no job control in this shell.\n");
	    }
	}
    }
    if ((setintr == 0) && (parintr == SIG_DFL))
	setintr = 1;
    (void)signal(SIGCHLD, pchild);	/* while signals not ready */

    /*
     * Set an exit here in case of an interrupt or error reading the shell
     * start-up scripts.
     */
    reenter = setexit();	/* PWP */
    haderr = 0;			/* In case second time through */
    if (!fast && reenter == 0) {
	/* Will have value(STRhome) here because set fast if don't */
	{
	    sig_t oparintr;
	    sigset_t osigset;
	    int osetintr;

	    oparintr = parintr;
	    osetintr = setintr;
	    sigemptyset(&nsigset);
	    (void)sigaddset(&nsigset, SIGINT);
	    (void)sigprocmask(SIG_BLOCK, &nsigset, &osigset);

	    setintr = 0;
	    parintr = SIG_IGN;	/* Disable onintr */
#ifdef _PATH_DOTCSHRC
	    (void)srcfile(_PATH_DOTCSHRC, 0, 0);
#endif
	    if (!fast && !arginp && !onelflg)
		dohash(NULL, NULL);
#ifdef _PATH_DOTLOGIN
	    if (loginsh)
		(void)srcfile(_PATH_DOTLOGIN, 0, 0);
#endif
	    (void)sigprocmask(SIG_SETMASK, &osigset, NULL);
	    setintr = osetintr;
	    parintr = oparintr;
	}
	(void)srccat(value(STRhome), STRsldotcshrc);

	if (!fast && !arginp && !onelflg && !havhash)
	    dohash(NULL, NULL);
	/*
	 * Source history before .login so that it is available in .login
	 */
	if ((cp = value(STRhistfile)) != STRNULL)
	    tildehist[2] = cp;
	dosource(tildehist, NULL);
        if (loginsh)
	      (void)srccat(value(STRhome), STRsldotlogin);
    }

    /*
     * Now are ready for the -v and -x flags
     */
    if (nverbose)
	setNS(STRverbose);
    if (nexececho)
	setNS(STRecho);

    /*
     * All the rest of the world is inside this call. The argument to process
     * indicates whether it should catch "error unwinds".  Thus if we are a
     * interactive shell our call here will never return by being blown past on
     * an error.
     */
    process(setintr);

    /*
     * Mop-up.
     */
    if (intty) {
	if (loginsh) {
	    (void)fprintf(cshout, "logout\n");
	    (void)close(SHIN);
	    child = 1;
	    goodbye();
	}
	else {
	    (void)fprintf(cshout, "exit\n");
	}
    }
    rechist();
    exitstat();
    /* NOTREACHED */
}
コード例 #17
0
void XILOutputAssistor::reset(int inq, int w, int h)
{
	//fprintf(stderr,"XILOutputAssistor(%s)::"__FUNCTION__"\n",filename_);
	Module::size(w, h);
	setq(inq);
}