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64 lines
2 KiB
C
64 lines
2 KiB
C
/* source: xio-nop.c */
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/* Copyright Gerhard Rieger 2006-2007 */
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/* Published under the GNU General Public License V.2, see file COPYING */
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/* this file contains the source for a degenerated address that just transfers
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data */
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#include "xiosysincludes.h"
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#include "xioopen.h"
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#include "xio-nop.h"
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#if WITH_NOP
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static int xioopen_nop(int argc, const char *argv[], struct opt *opts,
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int xioflags, xiofile_t *xxfd,
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unsigned groups, int dummy1, int dummy2,
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int dummy3);
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static const struct xioaddr_inter_desc xiointer_nop0ro = { XIOADDR_PROT, "nop", 0, XIOBIT_RDONLY, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_WRONLY HELP("") };
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static const struct xioaddr_inter_desc xiointer_nop0wo = { XIOADDR_PROT, "nop", 0, XIOBIT_WRONLY, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_RDONLY HELP("") };
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static const struct xioaddr_inter_desc xiointer_nop0rw = { XIOADDR_PROT, "nop", 0, XIOBIT_RDWR, 0/*groups*/, XIOSHUT_CLOSE, XIOCLOSE_NONE, xioopen_nop, 0, 0, 0, XIOBIT_RDWR HELP("") };
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const union xioaddr_desc *xioaddrs_nop[] = {
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(union xioaddr_desc *)&xiointer_nop0ro,
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(union xioaddr_desc *)&xiointer_nop0wo,
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(union xioaddr_desc *)&xiointer_nop0rw,
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NULL };
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static int xioopen_nop(int argc, const char *argv[], struct opt *opts,
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int xioflags, xiofile_t *xxfd,
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unsigned groups, int dummy, int dummy2,
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int dummy3) {
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struct single *xfd = &xxfd->stream;
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int result;
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if (argc != 1) {
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Error("address NOP takes no arguments");
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return STAT_NORETRY;
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}
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if (xfd->rfd < 0 && xfd->wfd < 0) { /*!!!*/
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Error("NOP cannot be endpoint");
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return STAT_NORETRY;
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}
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applyopts(-1, opts, PH_INIT);
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if (applyopts_single(xfd, opts, PH_INIT) < 0) return -1;
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Notice("opening NOP");
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xfd->dtype = XIODATA_STREAM;
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/*xfd->fdtype = FDTYPE_DOUBLE;*/
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applyopts(xfd->rfd, opts, PH_ALL);
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if ((result = _xio_openlate(xfd, opts)) < 0)
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return result;
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return 0;
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}
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#endif /* WITH_NOP */
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