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/*
* $Id: xyclose.c 3172 2010-02-15 08:51:54Z baud $
*/
/*
* Copyright (C) 1990-2010 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: xyclose.c,v $ $Revision: 3172 $ $Date: 2010-02-15 09:51:54 +0100 (Mon, 15 Feb 2010) $ CERN/IT/PDP/DM Frederic Hemmer";
#endif /* not lint */
/* xyclose.c Remote File I/O - Close a Fortran Logical Unit */
/*
* C bindings :
*
* rfio_xyclose(int lun, char *chopt, int *irc)
*
* FORTRAN bindings :
*
* XYCLOS(INTEGER*4 LUN, CHARACTER*(*) CHOPT, INTEGER*4 IRC)
*/
#define RFIO_KERNEL 1 /* system part of Remote File I/O */
#include "rfio.h" /* remote file I/O definitions */
#include <stdlib.h>
extern int DLL_DECL switch_close();
int DLL_DECL rfio_xyclose(lun, chopt, irc) /* close a remote fortran logical unit */
int lun;
char *chopt;
int *irc;
{
char buf[LONGSIZE]; /* network command/response buffer */
register char *p=buf; /* buffer pointer */
int status; /* Fortran status */
register int i; /* general purpose index */
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio" ,"rfio_xyclose(%d, %s, %x)", lun, chopt, irc);
if (ftnlun[lun] == (RFILE *) NULL) { /* Allocated ? */
TRACE(1, "rfio", "rfio_xyclose: %s", "Bad file number");
END_TRACE();
return(EBADF);
}
/*
* Analyze options
*/
TRACE(2, "rfio", "rfio_xyclose: parsing options: [%s]",chopt);
for (i=0;i< (int)strlen(chopt);i++) {
switch (chopt[i]) {
case ' ': break;
default :
*irc = SEBADFOPT;
END_TRACE();
return(SEBADFOPT);
}
}
*irc = 0;
if (!strcmp(ftnlun[lun]->host, "localhost")) { /* Local file ? */
/* Must be a local file */
*irc=switch_close(&lun);
(void) free((char *)ftnlun[lun]); ftnlun[lun]=(RFILE *) NULL;
END_TRACE();
rfio_errno = 0;
return(*irc);
}
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_XYCLOS);
TRACE(2,"rfio","rfio_xyclose: writing %d bytes",RQSTSIZE) ;
if (netwrite_timeout(ftnlun[lun]->s,buf,RQSTSIZE,RFIO_CTRL_TIMEOUT) != RQSTSIZE) {
TRACE(2, "rfio" ,"rfio_xyclose: write(): ERROR occured (errno=%d)", errno);
free((char *)ftnlun[lun]); ftnlun[lun]=(RFILE *) NULL;
END_TRACE();
if ( serrno )
return ( serrno ) ;
else
return(errno);
}
p = buf;
TRACE(2, "rfio" ,"rfio_xyclose: reading %d bytes", LONGSIZE);
if (netread_timeout(ftnlun[lun]->s, buf, LONGSIZE, RFIO_CTRL_TIMEOUT) != LONGSIZE) {
TRACE(2, "rfio" ,"rfio_xyclose: read(): ERROR occured (errno=%d)", errno);
free((char *)ftnlun[lun]); ftnlun[lun]=(RFILE *) NULL;
END_TRACE();
if ( serrno )
return ( serrno ) ;
else
return( errno );
}
unmarshall_LONG(p, status);
TRACE(1, "rfio", "rfio_xyclose: return %d ",status);
END_TRACE();
(void) close(ftnlun[lun]->s);
free((char *)ftnlun[lun]); ftnlun[lun]=(RFILE *) NULL;
*irc = status;
rfio_errno = status ;
return(status);
}
/*
* Fortran wrapper
*/
#if (defined(hpux) && !defined(PPU)) || (defined(_AIX) && !defined(EXTNAME))
#define xyclos_ xyclos
#endif /* hpux && !PPU || AIX && !EXTNAME */
#if defined(_WIN32)
void _stdcall XYCLOS(flun, fchopt, fchoptl, firc)
#else
void xyclos_(flun, fchopt, firc, fchoptl)
#endif
int *flun, *firc;
char *fchopt;
int fchoptl;
{
char *chopt; /* xyclos options */
int status; /* xyclos return status */
INIT_TRACE("RFIO_TRACE");
if ((chopt = malloc((unsigned) fchoptl+1)) == NULL) {
*firc = -errno;
END_TRACE();
return;
}
strncpy(chopt, fchopt, fchoptl); chopt[fchoptl] = '\0';
TRACE(1, "rfio", "XYCLOS(%d, %s, %x)", *flun, chopt, firc);
status = rfio_xyclose(*flun, chopt, firc);
if (status) *firc = -status; /* system errors have precedence */
TRACE(1, "rfio", "XYCLOS: status: %d, irc: %d",status,*firc);
END_TRACE();
(void) free(chopt);
return;
}
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