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ioctl(2)

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Kelvin Sherlock 2012-05-06 17:41:45 -04:00
parent 20095e12d2
commit b71ea9536d
1 changed files with 46 additions and 0 deletions
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mioctl.c Normal file
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#include "marignotti.h"
#include <gno/kerntool.h>
#include <errno.h>
#include <sys/ioctl.h>
#pragma noroot
#pragma optimize 79
int mioctl(Entry *e, void *p1, void *p2, void *p3, void *p4, void *p5)
{
Word t;
Word terr;
LongWord tioc = *(LongWord *)p1;
void *data = (void *)p3;
if (tioc == FIONREAD)
{
// return # of bytes available
IncBusy();
terr = TCPIPStatusTCP(e->ipid, &e->sr);
t = _toolErr;
DecBusy();
if (t) terr = t;
if (data) *(Word *)data = e->sr.srRcvQueued;
return 0;
}
if (tioc == FIONBIO)
{
// set/clear non-blocking io.
int tmp;
tmp = data ? *(int *)data : 0;
e->_NONBLOCK = tmp ? 1 : 0;
return 0;
}
// SIOCSHIWAT / SIOCGHIWAT ?
// SIOCSLOWAT / SIOCGLOWAT ?
return EINVAL;
}