/* 	Replace the functionality of the runJob script		xcpu3 -n <number of runs> <cmd>*/#include <u.h>#include <libc.h>#include <bio.h>#include <thread.h> void reader(void*); voidusage(char *me){	fprint(2, "%s: usage\n", me);	exits("usage");}char *mnt;char sess[64]; voidthreadmain(int argc, char **argv){	char *prog;	Biobuf *in;	int pid;	int n, i, nres;	int cfd, dfd, *resfdctl, nfdctl;	char fdfile[512];	char *buf;	int qidpath;	char *s, *line;	char *a[4], *b[2];		buf = malloc(8192); 	mnt = "/csrv/local";	ARGBEGIN{	}ARGEND	if(argc != 0)		usage(argv[0]); 	snprint(fdfile, 512, "%s/clone", mnt);	cfd = open(fdfile, ORDWR);	n = read(cfd, sess, 64);	if(n < 0)		sysfatal("couldn't read ctl");	sess[n]=0;		/* TODO:		res n nodes		execute date	*/		n = fprint(cfd, "res 64\n");	if(n < 0)		sysfatal("couldn't send res: %r");		n = fprint(cfd, "exec date\n");	if(n < 0)		sysfatal("couldn't send exec: %r");			snprint(fdfile, 512, "%s/%s/stdio", mnt, sess);	dfd = open(fdfile, OREAD);	for(;;) {		n = read(dfd, fdfile, 512);		if(n<=0) {			break;		}		fdfile[n] = 0;		print("%s", fdfile);	} 	exits(0);}