| 146 |
|
int n; |
| 147 |
|
register int i; |
| 148 |
|
/* see if we can avoid select call */ |
| 149 |
+ |
flgs = 0; /* flag what's ready already */ |
| 150 |
|
if (imm_mode || stdin->_cnt > 0) |
| 151 |
< |
return(RDY_SRV); |
| 151 |
> |
flgs |= RDY_SRV; |
| 152 |
|
if (sstdin != NULL && sstdin->_cnt > 0) |
| 153 |
< |
return(RDY_SIN); |
| 154 |
< |
if (dev_flush()) |
| 153 |
> |
flgs |= RDY_SIN; |
| 154 |
> |
if (odev.inpready) |
| 155 |
> |
flgs |= RDY_DEV; |
| 156 |
> |
if (flgs) /* got something? */ |
| 157 |
> |
return(flgs); |
| 158 |
> |
if (dev_flush()) /* else flush output & check keyboard+mouse */ |
| 159 |
|
return(RDY_DEV); |
| 160 |
< |
/* make the call */ |
| 160 |
> |
/* if nothing, we need to call select */ |
| 161 |
|
FD_ZERO(&readset); FD_ZERO(&errset); |
| 162 |
|
FD_SET(0, &readset); |
| 163 |
|
FD_SET(0, &errset); |
| 176 |
|
return(0); |
| 177 |
|
error(SYSTEM, "select call failure in disp_wait"); |
| 178 |
|
} |
| 174 |
– |
flgs = 0; /* flag what's ready */ |
| 179 |
|
if (FD_ISSET(0, &readset) || FD_ISSET(0, &errset)) |
| 180 |
|
flgs |= RDY_SRV; |
| 181 |
|
if (FD_ISSET(odev.ifd, &readset) || FD_ISSET(odev.ifd, &errset)) |
