示例#1
0
文件: wait.c 项目: 00001/plan9port
void
twaitinit(void)
{
	threadwaitchan();	/* allocate it before returning */
	twaitchan = chancreate(sizeof(Waitreq), 10);
	threadcreate(waitthread, nil, 128*1024);
}
示例#2
0
文件: runproc.c 项目: 00001/plan9port
Waitmsg*
runprocfd(char *file, char **v, int fd[3])
{
	int pid, i;

	threadwaitchan();
	pid = threadspawn(fd, file, v);
	for(i=0; i<3; i++)
		close(fd[i]);
	if(pid < 0)
		return nil;
	return procwait(pid);
}
示例#3
0
文件: acme.c 项目: UNGLinux/9base
void
threadmain(int argc, char *argv[])
{
	int i;
	char *p, *loadfile;
	Column *c;
	int ncol;
	Display *d;

	rfork(RFENVG|RFNAMEG);

	ncol = -1;

	loadfile = nil;
	ARGBEGIN{
	case 'D':
		{extern int _threaddebuglevel;
		_threaddebuglevel = ~0;
		}
		break;
	case 'a':
		globalautoindent = TRUE;
		break;
	case 'b':
		bartflag = TRUE;
		break;
	case 'c':
		p = ARGF();
		if(p == nil)
			goto Usage;
		ncol = atoi(p);
		if(ncol <= 0)
			goto Usage;
		break;
	case 'f':
		fontnames[0] = ARGF();
		if(fontnames[0] == nil)
			goto Usage;
		break;
	case 'F':
		fontnames[1] = ARGF();
		if(fontnames[1] == nil)
			goto Usage;
		break;
	case 'l':
		loadfile = ARGF();
		if(loadfile == nil)
			goto Usage;
		break;
	case 'm':
		mtpt = ARGF();
		if(mtpt == nil)
			goto Usage;
		break;
	case 'r':
		swapscrollbuttons = TRUE;
		break;
	case 'W':
		winsize = ARGF();
		if(winsize == nil)
			goto Usage;
		break;
	default:
	Usage:
		fprint(2, "usage: acme -a -c ncol -f fontname -F fixedwidthfontname -l loadfile -W winsize\n");
		threadexitsall("usage");
	}ARGEND

	fontnames[0] = estrdup(fontnames[0]);
	fontnames[1] = estrdup(fontnames[1]);

	quotefmtinstall();
	fmtinstall('t', timefmt);

	cputype = getenv("cputype");
	objtype = getenv("objtype");
	home = getenv("HOME");
	acmeshell = getenv("acmeshell");
	if(acmeshell && *acmeshell == '\0')
		acmeshell = nil;
	p = getenv("tabstop");
	if(p != nil){
		maxtab = strtoul(p, nil, 0);
		free(p);
	}
	if(maxtab == 0)
		maxtab = 4;
	if(loadfile)
		rowloadfonts(loadfile);
	putenv("font", fontnames[0]);
	snarffd = open("/dev/snarf", OREAD|OCEXEC);
/*
	if(cputype){
		sprint(buf, "/acme/bin/%s", cputype);
		bind(buf, "/bin", MBEFORE);
	}
	bind("/acme/bin", "/bin", MBEFORE);
*/
	getwd(wdir, sizeof wdir);

/*
	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
		fprint(2, "acme: can't open display: %r\n");
		threadexitsall("geninitdraw");
	}
*/
	if(initdraw(derror, fontnames[0], "acme") < 0){
		fprint(2, "acme: can't open display: %r\n");
		threadexitsall("initdraw");
	}

	d = display;
	font = d->defaultfont;
/*assert(font); */

	reffont.f = font;
	reffonts[0] = &reffont;
	incref(&reffont.ref);	/* one to hold up 'font' variable */
	incref(&reffont.ref);	/* one to hold up reffonts[0] */
	fontcache = emalloc(sizeof(Reffont*));
	nfontcache = 1;
	fontcache[0] = &reffont;

	iconinit();
	timerinit();
	rxinit();

	cwait = threadwaitchan();
	ccommand = chancreate(sizeof(Command**), 0);
	ckill = chancreate(sizeof(Rune*), 0);
	cxfidalloc = chancreate(sizeof(Xfid*), 0);
	cxfidfree = chancreate(sizeof(Xfid*), 0);
	cnewwindow = chancreate(sizeof(Channel*), 0);
	cerr = chancreate(sizeof(char*), 0);
	cedit = chancreate(sizeof(int), 0);
	cexit = chancreate(sizeof(int), 0);
	cwarn = chancreate(sizeof(void*), 1);
	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cerr==nil || cexit==nil || cwarn==nil){
		fprint(2, "acme: can't create initial channels: %r\n");
		threadexitsall("channels");
	}
	chansetname(ccommand, "ccommand");
	chansetname(ckill, "ckill");
	chansetname(cxfidalloc, "cxfidalloc");
	chansetname(cxfidfree, "cxfidfree");
	chansetname(cnewwindow, "cnewwindow");
	chansetname(cerr, "cerr");
	chansetname(cedit, "cedit");
	chansetname(cexit, "cexit");
	chansetname(cwarn, "cwarn");

	mousectl = initmouse(nil, screen);
	if(mousectl == nil){
		fprint(2, "acme: can't initialize mouse: %r\n");
		threadexitsall("mouse");
	}
	mouse = &mousectl->m;
	keyboardctl = initkeyboard(nil);
	if(keyboardctl == nil){
		fprint(2, "acme: can't initialize keyboard: %r\n");
		threadexitsall("keyboard");
	}
	mainpid = getpid();
	startplumbing();
/*
	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
	if(plumbeditfd < 0)
		fprint(2, "acme: can't initialize plumber: %r\n");
	else{
		cplumb = chancreate(sizeof(Plumbmsg*), 0);
		threadcreate(plumbproc, nil, STACK);
	}
	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
*/

	fsysinit();

	#define	WPERCOL	8
	disk = diskinit();
	if(!loadfile || !rowload(&row, loadfile, TRUE)){
		rowinit(&row, screen->clipr);
		if(ncol < 0){
			if(argc == 0)
				ncol = 2;
			else{
				ncol = (argc+(WPERCOL-1))/WPERCOL;
				if(ncol < 2)
					ncol = 2;
			}
		}
		if(ncol == 0)
			ncol = 2;
		for(i=0; i<ncol; i++){
			c = rowadd(&row, nil, -1);
			if(c==nil && i==0)
				error("initializing columns");
		}
		c = row.col[row.ncol-1];
		if(argc == 0)
			readfile(c, wdir);
		else
			for(i=0; i<argc; i++){
				p = utfrrune(argv[i], '/');
				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
					readfile(c, argv[i]);
				else
					readfile(row.col[i/WPERCOL], argv[i]);
			}
	}
	flushimage(display, 1);

	acmeerrorinit();
	threadcreate(keyboardthread, nil, STACK);
	threadcreate(mousethread, nil, STACK);
	threadcreate(waitthread, nil, STACK);
	threadcreate(xfidallocthread, nil, STACK);
	threadcreate(newwindowthread, nil, STACK);
/*	threadcreate(shutdownthread, nil, STACK); */
	threadnotify(shutdown, 1);
	recvul(cexit);
	killprocs();
	threadexitsall(nil);
}
示例#4
0
文件: wait.c 项目: 00001/plan9port
/*
 * watch the exiting children
 */
Channel *twaitchan;	/* chan(Waitreq) */
void
waitthread(void *v)
{
	Alt a[3];
	Waitmsg *w, **wq;
	Waitreq *rq, r;
	int i, nrq, nwq;

	threadsetname("waitthread");
	a[0].c = threadwaitchan();
	a[0].v = &w;
	a[0].op = CHANRCV;
	a[1].c = twaitchan;
	a[1].v = &r;
	a[1].op = CHANRCV;
	a[2].op = CHANEND;

	nrq = 0;
	nwq = 0;
	rq = nil;
	wq = nil;
	dprint("wait: start\n");
	for(;;){
	cont2:;
		dprint("wait: alt\n");
		switch(alt(a)){
		case 0:
			dprint("wait: pid %d exited\n", w->pid);
			for(i=0; i<nrq; i++){
				if(rq[i].pid == w->pid){
					dprint("wait: match with rq chan %p\n", rq[i].c);
					sendp(rq[i].c, w);
					rq[i] = rq[--nrq];
					goto cont2;
				}
			}
			if(i == nrq){
				dprint("wait: queueing waitmsg\n");
				wq = erealloc(wq, (nwq+1)*sizeof(wq[0]));
				wq[nwq++] = w;
			}
			break;
		
		case 1:
			dprint("wait: req for pid %d chan %p\n", r.pid, r.c);
			for(i=0; i<nwq; i++){
				if(w->pid == r.pid){
					dprint("wait: match with waitmsg\n");
					sendp(r.c, w);
					wq[i] = wq[--nwq];
					goto cont2;
				}
			}
			if(i == nwq){
				dprint("wait: queueing req\n");
				rq = erealloc(rq, (nrq+1)*sizeof(rq[0]));
				rq[nrq] = r;
				dprint("wait: queueing req pid %d chan %p\n", rq[nrq].pid, rq[nrq].c);
				nrq++;
			}
			break;
		}
	}
}
示例#5
0
文件: acme.c 项目: Nurb432/plan9front
void
threadmain(int argc, char *argv[])
{
	int i;
	char *p, *loadfile;
	char buf[256];
	Column *c;
	int ncol;
	Display *d;
	static void *arg[1];

	rfork(RFENVG|RFNAMEG);

	ncol = -1;

	loadfile = nil;
	ARGBEGIN{
	case 'a':
		globalautoindent = TRUE;
		break;
	case 'b':
		bartflag = TRUE;
		break;
	case 'c':
		p = ARGF();
		if(p == nil)
			goto Usage;
		ncol = atoi(p);
		if(ncol <= 0)
			goto Usage;
		break;
	case 'f':
		fontnames[0] = ARGF();
		if(fontnames[0] == nil)
			goto Usage;
		break;
	case 'F':
		fontnames[1] = ARGF();
		if(fontnames[1] == nil)
			goto Usage;
		break;
	case 'l':
		loadfile = ARGF();
		if(loadfile == nil)
			goto Usage;
		break;
	default:
	Usage:
		fprint(2, "usage: acme [-ab] [-c ncol] [-f font] [-F fixedfont] [-l loadfile | file...]\n");
		exits("usage");
	}ARGEND

	if(fontnames[0] == nil)
		fontnames[0] = getenv("font");
	if(fontnames[0] == nil)
		fontnames[0] = "/lib/font/bit/vga/unicode.font";
	if(access(fontnames[0], 0) < 0){
		fprint(2, "acme: can't access %s: %r\n", fontnames[0]);
		exits("font open");
	}
	if(fontnames[1] == nil)
		fontnames[1] = fontnames[0];
	fontnames[0] = estrdup(fontnames[0]);
	fontnames[1] = estrdup(fontnames[1]);

	quotefmtinstall();
	cputype = getenv("cputype");
	objtype = getenv("objtype");
	home = getenv("home");
	p = getenv("tabstop");
	if(p != nil){
		maxtab = strtoul(p, nil, 0);
		free(p);
	}
	if(maxtab == 0)
		maxtab = 4; 
	if(loadfile)
		rowloadfonts(loadfile);
	putenv("font", fontnames[0]);
	snarffd = open("/dev/snarf", OREAD|OCEXEC);
	if(cputype){
		sprint(buf, "/acme/bin/%s", cputype);
		bind(buf, "/bin", MBEFORE);
	}
	bind("/acme/bin", "/bin", MBEFORE);
	getwd(wdir, sizeof wdir);

	if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
		fprint(2, "acme: can't open display: %r\n");
		exits("geninitdraw");
	}
	d = display;
	font = d->defaultfont;

	reffont.f = font;
	reffonts[0] = &reffont;
	incref(&reffont);	/* one to hold up 'font' variable */
	incref(&reffont);	/* one to hold up reffonts[0] */
	fontcache = emalloc(sizeof(Reffont*));
	nfontcache = 1;
	fontcache[0] = &reffont;

	iconinit();
	timerinit();
	rxinit();

	cwait = threadwaitchan();
	ccommand = chancreate(sizeof(Command**), 0);
	ckill = chancreate(sizeof(Rune*), 0);
	cxfidalloc = chancreate(sizeof(Xfid*), 0);
	cxfidfree = chancreate(sizeof(Xfid*), 0);
	cnewwindow = chancreate(sizeof(Channel*), 0);
	cerr = chancreate(sizeof(char*), 0);
	cedit = chancreate(sizeof(int), 0);
	cexit = chancreate(sizeof(int), 0);
	cwarn = chancreate(sizeof(void*), 1);
	if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cerr==nil || cexit==nil || cwarn==nil){
		fprint(2, "acme: can't create initial channels: %r\n");
		threadexitsall("channels");
	}

	mousectl = initmouse(nil, screen);
	if(mousectl == nil){
		fprint(2, "acme: can't initialize mouse: %r\n");
		threadexitsall("mouse");
	}
	mouse = mousectl;
	keyboardctl = initkeyboard(nil);
	if(keyboardctl == nil){
		fprint(2, "acme: can't initialize keyboard: %r\n");
		threadexitsall("keyboard");
	}
	mainpid = getpid();
	plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
	if(plumbeditfd >= 0){
		cplumb = chancreate(sizeof(Plumbmsg*), 0);
		proccreate(plumbproc, nil, STACK);
	}
	plumbsendfd = plumbopen("send", OWRITE|OCEXEC);

	fsysinit();

	#define	WPERCOL	8
	disk = diskinit();
	if(!loadfile || !rowload(&row, loadfile, TRUE)){
		rowinit(&row, screen->clipr);
		if(ncol < 0){
			if(argc == 0)
				ncol = 2;
			else{
				ncol = (argc+(WPERCOL-1))/WPERCOL;
				if(ncol < 2)
					ncol = 2;
			}
		}
		if(ncol == 0)
			ncol = 2;
		for(i=0; i<ncol; i++){
			c = rowadd(&row, nil, -1);
			if(c==nil && i==0)
				error("initializing columns");
		}
		c = row.col[row.ncol-1];
		if(argc == 0)
			readfile(c, wdir);
		else
			for(i=0; i<argc; i++){
				p = utfrrune(argv[i], '/');
				if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
					readfile(c, argv[i]);
				else
					readfile(row.col[i/WPERCOL], argv[i]);
			}
	}
	flushimage(display, 1);

	acmeerrorinit();
	threadcreate(keyboardthread, nil, STACK);
	threadcreate(mousethread, nil, STACK);
	threadcreate(waitthread, nil, STACK);
	threadcreate(xfidallocthread, nil, STACK);
	threadcreate(newwindowthread, nil, STACK);

	threadnotify(shutdown, 1);
	recvul(cexit);
	killprocs();
	threadexitsall(nil);
}
示例#6
0
文件: mgr.c 项目: 00001/plan9port
void
threadmain(int argc, char **argv)
{
	int i;
	int nofork;
	char *prog;
	Job *j;
	
	ventilogging = 1;
	ventifmtinstall();
#ifdef PLAN9PORT
	bin = unsharp("#9/bin/venti");
#else
	bin = "/bin/venti";
#endif
	nofork = 0;
	ARGBEGIN{
	case 'b':
		bin = EARGF(usage());
		break;
	case 's':
		nofork = 1;
		break;
	default:
		usage();
	}ARGEND

	if(argc != 1)
		usage();
	if(rdconf(argv[0], &conf) < 0)
		sysfatal("reading config: %r");
	if(conf.httpaddr == nil)
		sysfatal("config has no httpaddr");
	if(conf.smtp != nil && conf.mailfrom == nil)
		sysfatal("config has smtp but no mailfrom");
	if(conf.smtp != nil && conf.mailto == nil)
		sysfatal("config has smtp but no mailto");
	if((mirrorprog = regcomp(mirrorregexp)) == nil)
		sysfatal("mirrorregexp did not complete");
	if((verifyprog = regcomp(verifyregexp)) == nil)
		sysfatal("verifyregexp did not complete");
	if(conf.nverify > 0 && conf.verifyfreq == 0)
		sysfatal("config has no verifyfreq");
	if(conf.nmirror > 0 && conf.mirrorfreq == 0)
		sysfatal("config has no mirrorfreq");

	time0 = time(0);
//	sendmail("startup", "mgr is starting\n");

	logbuf = vtmalloc(LogSize+1);	// +1 for NUL

	errlog = vtlogopen("errors", LogSize);
	job = vtmalloc((conf.nmirror+conf.nverify)*sizeof job[0]);
	prog = smprint("%s/mirrorarenas", bin);
	for(i=0; i<conf.nmirror; i++) {
		// job: /bin/venti/mirrorarenas -v src dst
		// filter output
		j = &job[njob++];
		mkjob(j, prog, "-v", conf.mirror[i].src, conf.mirror[i].dst, nil);
		j->name = smprint("mirror %s %s", conf.mirror[i].src, conf.mirror[i].dst);
		j->ok = mirrorok;
		j->freq = conf.mirrorfreq;	// 4 hours	// TODO: put in config
		j->offset = (double)i/conf.nmirror;
	}

	prog = smprint("%s/verifyarena", bin);
	for(i=0; i<conf.nverify; i++) {
		// job: /bin/venti/verifyarena -b 64M -s 1000 -v arena
		// filter output
		j = &job[njob++];
		mkjob(j, prog, "-b64M", "-s1000", conf.verify[i], nil);
		j->name = smprint("verify %s", conf.verify[i]);
		j->ok = verifyok;
		j->freq = conf.verifyfreq;
		j->offset = (double)i/conf.nverify;
	}

	httpdobj("/mgr", hmanager);
	httpdobj("/log", xlog);
	vtproc(httpdproc, conf.httpaddr);
	vtproc(waitproc, threadwaitchan());
	if(nofork)
		manager(nil);
	else
		vtproc(manager, nil);
}
示例#7
0
void
threadmain(int argc, char **argv)
{
	int p[2], fd[3], pid[2];
	char *a[4], *devdraw;
	
	ARGBEGIN{}ARGEND

	if(argc != 1)
		usage();
		
	// Make sure we don't kill our parent whilst killing
	// our children.
	setsid();

	if(pipe(p) < 0)
		sysfatal("pipe: %r");
	
	fd[0] = dup(p[0], -1);
	fd[1] = dup(p[0], -1);
	fd[2] = dup(2, -1);
	
	a[0] = "rc";
	a[1] = "-c";
	a[2] = argv[0];
	a[3] = nil;

	if((pid[0] = threadspawn(fd, a[0], a)) < 0)
		sysfatal("threadspawn: %r");

	fd[0] = dup(p[1], -1);
	fd[1] = dup(p[1], -1);
	fd[2] = dup(2, -1);

	putenv("NOLIBTHREADDAEMONIZE", "1");
	devdraw = getenv("DEVDRAW");
	if(devdraw == nil)
		devdraw = "devdraw";
	if((pid[1] = threadspawnl(fd, devdraw, devdraw, "(devdraw)", nil)) < 0)
		sysfatal("threadspawnl: %r");

	close(p[0]);
	close(p[1]);

	recvp(threadwaitchan());

	postnote(PNGROUP, pid[0], "hangup");
	postnote(PNGROUP, pid[1], "hangup");
	//recvp(threadwaitchan());

	threadexitsall("");

/*
	if ((pid = fork()) < 0)
		sysfatal("fork: %r");

	switch(pid){
	case 0:
		close(p[0]);
		dup(p[1], 0);
		dup(p[1], 1);

		a[0] = "rc";
		a[1] = "-c";
		a[2] = argv[0];
		a[3] = nil;

		if(exec("rc", a) < 0)
			sysfatal("execl: %r");

	default:
		close(p[1]);
		dup(p[0], 0);
		dup(p[0], 1);

		putenv("NOLIBTHREADDAEMONIZE", "1");
		devdraw = getenv("DEVDRAW");
		if(devdraw == nil)
			devdraw = "devdraw";

		if(execl(devdraw, devdraw, "(devdraw)", nil) < 0)
			sysfatal("execl: %r");
	}

	exits(0);
*/
}