char*
fsclose(Qid qid, int mode)
{
if(mode&ORCLOSE) /* remove on close */
return fsremove(qid);
return nil;
}
void
xrm(int argc, char **argv)
{
int i;
CFsys *fs;
char *p;
ARGBEGIN{
default:
usage();
}ARGEND
if(argc == 0)
usage();
for(i=0; i<argc; i++){
fs = xparse(argv[i], &p);
if(fsremove(fs, p) < 0)
fprint(2, "remove %s: %r\n", argv[i]);
fsunmount(fs);
}
}
/*
* sysmkfifo
*/
FILE *
sysmkfifo(const char *ospath)
{
FILE *fifo;
int result;
int fn;
struct stat buf;
/* if file already exists AND is a pipefile, remove it */
if(!stat(ospath, &buf) && S_ISFIFO(buf.st_mode))
fsremove(ospath);
result = mkfifo(ospath, 0600);
if(result != 0)
return NULL;
fifo = fopen(ospath, "w+");
if(fifo){
fn = fileno(fifo);
fcntl(fn, F_SETFL, O_NONBLOCK);
}
return fifo;
}
