shithub: renderfs

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add profile flag.

--- a/fs.c

+++ b/fs.c

@@ -77,8 +77,9 @@

 Renderer *renderer;

 Client *clients;

 ulong nclients;

+int doprof;

-static LightSource light = {{0,100,100,1}, {1,1,1,1}, LIGHT_POINT};

+LightSource light = {{0,100,100,1}, {1,1,1,1}, LIGHT_POINT};

 static Client *getclient(ulong);

@@ -644,10 +645,27 @@

 	.end		= fsending,

 };

+static void

+confproc(void)

+{

+	char buf[64];

+	int fd;

+

+	snprint(buf, sizeof buf, "/proc/%d/ctl", getpid());

+	fd = open(buf, OWRITE);

+	if(fd < 0)

+		sysfatal("open: %r");

+

+	if(doprof)

+		fprint(fd, "profile\n");

+

+	close(fd);

+}

+

 void

 usage(void)

 {

-	fprint(2, "usage: %s [-D] [-s srvname] [-m mtpt]\n", argv0);

+	fprint(2, "usage: %s [-Dp] [-s srvname] [-m mtpt]\n", argv0);

 	exits("usage");

 }

@@ -663,6 +681,9 @@

 	case 'D':

 		chatty9p++;

 		break;

+	case 'p':

+		doprof++;

+		break;

 	case 's':

 		srvname = EARGF(usage());

 		break;

@@ -674,6 +695,7 @@

 	if(argc != 0)

 		usage();

+	confproc();

 	jefe = getuser();

 	if(memimageinit() != 0)