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check busy flag for send/recv 

(may come from gs/os or as a tool call)
This commit is contained in:
Kelvin Sherlock 2012-05-07 22:39:40 -04:00
parent 6b3130ea82
commit 28069ac14b
1 changed files with 9 additions and 4 deletions
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13
driver.c
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@ -41,10 +41,13 @@ int driver(
{
int rv;
Entry *e;
Word oldBusy;
s16_debug_printf("driver: %04x : %04x", socknum, req);
oldBusy = *BusyFlag;
if (req == PRU_ATTACH)
{
return mattach(socknum, p1, p2, p3, p4, p5);
@ -121,9 +124,9 @@ int driver(
//
// may block, so be nice.
// SOCKrdwr(struct rwPBlock *pb, word cmd, int sock)
DecBusy();
if (oldBusy) DecBusy();
rv = mread(e, p1, p2, p3, p4, p5);
IncBusy();
if (oldBusy) IncBusy();
return rv;
break;
@ -133,9 +136,9 @@ int driver(
case PRU_SEND:
// SOCKrdwr(struct rwPBlock *pb, word cmd, int sock)
// same as above.
DecBusy();
if (oldBusy) DecBusy();
rv = mwrite(e, p1, p2, p3, p4, p5);
IncBusy();
if (oldBusy) IncBusy();
return rv;
break;
@ -150,6 +153,7 @@ int driver(
break;
case PRU_SOCKADDR:
return mgetsockname(e, p1, p2, p3, p4, p5);
break;
case PRU_CO_GETOPT:
@ -162,6 +166,7 @@ int driver(
case PRU_SELECT:
// int SOCKselect(int pid, int fl, int sock)
return mselect(e, p1, p2, p3, p4, p5);
break;
}