| 23 |
|
|
| 24 |
|
int |
| 25 |
|
process( /* process data through pd */ |
| 26 |
< |
SUBPROC *pd, |
| 27 |
< |
char *recvbuf, char *sendbuf, |
| 28 |
< |
int nbr, int nbs |
| 26 |
> |
SUBPROC *pd, |
| 27 |
> |
char *recvbuf, char *sendbuf, |
| 28 |
> |
int nbr, int nbs |
| 29 |
|
) |
| 30 |
|
{ |
| 31 |
|
if (nbs > PIPE_BUF) |
| 32 |
|
return(-1); |
| 33 |
< |
if (!pd->running) |
| 33 |
> |
if (!(pd->flags & PF_RUNNING)) |
| 34 |
|
return(-1); |
| 35 |
|
if (writebuf(pd->w, sendbuf, nbs) < nbs) |
| 36 |
|
return(-1); |
| 41 |
|
|
| 42 |
|
int |
| 43 |
|
readbuf( /* read all of requested buffer */ |
| 44 |
< |
int fd, |
| 45 |
< |
char *bpos, |
| 46 |
< |
int siz |
| 44 |
> |
int fd, |
| 45 |
> |
char *bpos, |
| 46 |
> |
int siz |
| 47 |
|
) |
| 48 |
|
{ |
| 49 |
< |
register int cc = 0, nrem = siz; |
| 49 |
> |
int cc = 0, nrem = siz; |
| 50 |
|
retry: |
| 51 |
|
while (nrem > 0 && (cc = read(fd, bpos, nrem)) > 0) { |
| 52 |
|
bpos += cc; |
| 70 |
|
int siz |
| 71 |
|
) |
| 72 |
|
{ |
| 73 |
< |
register int cc = 0, nrem = siz; |
| 73 |
> |
int cc = 0, nrem = siz; |
| 74 |
|
retry: |
| 75 |
|
while (nrem > 0 && (cc = write(fd, bpos, nrem)) > 0) { |
| 76 |
|
bpos += cc; |