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)) |