#include "rc.h"#include "io.h"#include "fns.h"char onl='\n';		/* change to semicolon for bourne-proofing */#define	c0	t->child[0]#define	c1	t->child[1]#define	c2	t->child[2] extern void pdeglob(io *f, char *s);tree *t0, *t1, *t2;   tree*gangstr(io *f, tree *t){	if(t==0)		return t;	switch(t->type){	case FANIN:		gangstr(f, c1);		pfmt(f, "| %t'", c0);		t0 = c2;		break;	case FANOUT:		t1 = c1;		pfmt(f, "push -c '%t", c2);		t2 = c0;		break;			}	return t;} tree*mkgang(io *f, tree *t){	int n, fd;	char buf0[64];	tree *root, *tt0, *tt1;	io *es = openstr(); // exec string 	if(t == 0)		return t;	root = t; 	if(t->type != FANIN)		sysfatal("must make gang on a fanin");//	tree2dot(f, t);	fd = open("/proc/gclone", ORDWR);	if(fd < 0)		sysfatal("mkgang open: %r");	n = read(fd, buf0, 64);	if(n < 0)		sysfatal("mkgang read: %r");	buf0[n-1]=0;	/* when I make this do it how I expect? change mung3mp to do the proper formatting*///	addredir(t, 1, smprint("/proc/g%s/stdin", buf0));//	t = c0;//	if(t == 0)	/* so how do I do this? I need to push it? */	/* how do I redirect the incoming command? */			fprint(fd, "enum");	fprint(fd, "res %d", t->fd0);	fprint(2, "enum\n");	fprint(2, "res %d\n", t->fd0);	//	c1 = nil;	gangstr(es, t);	c0 = nil;	c2 = nil;	tt0= tree1(SIMPLE, tree2(ARGLIST, t2->child[0], token(smprint("/proc/g%s/stdin", buf0), WORD)));	tt0->rtype = WRITE;	tt1 = tree2(REDIR, token(smprint("/proc/g%s/stdout", buf0), WORD), t0);	tt1->rtype = READ;	c0 = tree2(';', tree2(PIPE, t1, tt0), tt1);	fprint(fd, "exec %s", (char*)es->strp);	fprint(2, "exec %s\n", (char*)es->strp);		fprint(2, "done mking gang\n");	tree2dot(f, root);		return root;} // push -gt -c 'echo test |< cat >| cat' >[2]/n/local/tmp/tree.dot