122 lines
2.4 KiB
C
122 lines
2.4 KiB
C
#ifndef lint
|
|
static char sccsid[] = "@(#)t_accept.c 1.1 92/07/30 SMI";
|
|
#endif
|
|
|
|
/* Copyright (c) 1984 AT&T */
|
|
/* All Rights Reserved */
|
|
|
|
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
|
|
/* The copyright notice above does not evidence any */
|
|
/* actual or intended publication of such source code. */
|
|
|
|
/*
|
|
#ident "@(#)libnsl:nsl/t_accept.c 1.5"
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/stream.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/stropts.h>
|
|
#include <nettli/tihdr.h>
|
|
#include <nettli/timod.h>
|
|
#include <nettli/tiuser.h>
|
|
#include <sys/signal.h>
|
|
|
|
|
|
|
|
extern int t_errno;
|
|
extern int errno;
|
|
extern struct _ti_user *_t_checkfd();
|
|
extern int _t_is_event();
|
|
extern int ioctl();
|
|
|
|
|
|
t_accept(fd, resfd, call)
|
|
int fd;
|
|
int resfd;
|
|
struct t_call *call;
|
|
{
|
|
char *buf;
|
|
register struct T_conn_res *cres;
|
|
struct strfdinsert strfdinsert;
|
|
int size;
|
|
int retval;
|
|
register struct _ti_user *tiptr;
|
|
int savemask;
|
|
|
|
if ((tiptr = _t_checkfd(fd)) == NULL)
|
|
return(-1);
|
|
|
|
if (_t_checkfd(resfd) == NULL)
|
|
return(-1);
|
|
|
|
if (tiptr->ti_servtype == T_CLTS) {
|
|
t_errno = TNOTSUPPORT;
|
|
return(-1);
|
|
}
|
|
|
|
if (fd != resfd)
|
|
{
|
|
if ((retval = ioctl(resfd,I_NREAD,&size)) < 0)
|
|
{
|
|
t_errno = TSYSERR;
|
|
return(-1);
|
|
}
|
|
if (retval)
|
|
{
|
|
t_errno = TBADF;
|
|
return(-1);
|
|
}
|
|
}
|
|
|
|
savemask = sigblock(sigmask(SIGPOLL));
|
|
if (_t_is_event(fd, tiptr)) {
|
|
sigsetmask(savemask);
|
|
return(-1);
|
|
}
|
|
|
|
buf = tiptr->ti_ctlbuf;
|
|
cres = (struct T_conn_res *)buf;
|
|
cres->PRIM_type = T_CONN_RES;
|
|
cres->OPT_length = call->opt.len;
|
|
cres->OPT_offset = 0;
|
|
cres->SEQ_number = call->sequence;
|
|
size = sizeof(struct T_conn_res);
|
|
|
|
if (call->opt.len) {
|
|
_t_aligned_copy(buf, call->opt.len, size,
|
|
call->opt.buf, &cres->OPT_offset);
|
|
size = cres->OPT_offset + cres->OPT_length;
|
|
}
|
|
|
|
|
|
strfdinsert.ctlbuf.maxlen = tiptr->ti_ctlsize;
|
|
strfdinsert.ctlbuf.len = size;
|
|
strfdinsert.ctlbuf.buf = buf;
|
|
strfdinsert.databuf.maxlen = call->udata.maxlen;
|
|
strfdinsert.databuf.len = (call->udata.len? call->udata.len: -1);
|
|
strfdinsert.databuf.buf = call->udata.buf;
|
|
strfdinsert.fildes = resfd;
|
|
strfdinsert.offset = sizeof(long);
|
|
strfdinsert.flags = 0; /* could be EXPEDITED also */
|
|
|
|
if (ioctl(fd, I_FDINSERT, &strfdinsert) < 0) {
|
|
if (errno == EAGAIN)
|
|
t_errno = TFLOW;
|
|
else
|
|
t_errno = TSYSERR;
|
|
sigsetmask(savemask);
|
|
return(-1);
|
|
}
|
|
|
|
if (!_t_is_ok(fd, tiptr, T_CONN_RES)) {
|
|
sigsetmask(savemask);
|
|
return(-1);
|
|
}
|
|
|
|
sigsetmask(savemask);
|
|
return(0);
|
|
}
|