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#include <u.h>
#include <libc.h>
#include <draw.h>
/* Connect us to new window, if possible */
int
newwindow(char *str)
{
int fd;
char *wsys;
char buf[256];
wsys = getenv("wsys");
if(wsys == nil)
return -1;
fd = open(wsys, ORDWR|OCEXEC);
if(fd < 0){
free(wsys);
return -1;
}
rfork(RFNAMEG);
unmount(wsys, "/dev"); /* drop reference to old window */
free(wsys);
if(str)
snprint(buf, sizeof buf, "new %s", str);
else
strcpy(buf, "new");
if(mount(fd, -1, "/mnt/wsys", MREPL, buf) == -1){
if(mount(fd, -1, "/dev", MBEFORE, buf) == -1){
close(fd);
return -1;
}
} else {
if(bind("/mnt/wsys", "/dev", MBEFORE) == -1)
return -1;
}
return 0;
}
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