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/*
* DCAP - dCache Access Protocol client interface
*
* Copyright (C) 2000,2004 DESY Hamburg DMG-Division.
*
* AUTHOR: Tigran Mkrtchayn (tigran.mkrtchyan@desy.de)
*
* This program can be distributed under the terms of the GNU LGPL.
* See the file COPYING.LIB
*
*/
/*
* $Id: dcap_fsync.c,v 1.5 2004-11-01 19:33:29 tigran Exp $
*/
#include "dcap.h"
#include "dcap_fsync.h"
#include "dcap_write.h"
#include "gettrace.h"
#include "node_plays.h"
#include "system_io.h"
#include "debug_level.h"
int dc_fsync(int fd)
{
struct vsp_node *node;
int rc;
#ifdef DC_CALL_TRACE
showTraceBack();
#endif
node = get_vsp_node(fd);
if( node == NULL ) {
#ifdef WIN32
return _commit(fd);
#else
return system_fsync(fd);
#endif /* WIN32 */
}
rc = dc_real_fsync(node);
m_unlock(&node->mux);
return rc;
}
int dc_real_fsync( struct vsp_node *node)
{
int rc = 0;
if( (node->ahead != NULL) && ( node->ahead->buffer != NULL ) && node->ahead->isDirty ) {
dc_debug(DC_IO, "[%d] Syncing %ld bytes.", node->dataFd, node->ahead->used);
if( dc_real_write( node, NULL, 0) < 0 ) {
rc = -1;
}
}
return rc;
}
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