File: os_fsync.c

package info (click to toggle)
evolution-data-server 1.0.4-1
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 39,504 kB
  • ctags: 26,423
  • sloc: ansic: 175,347; tcl: 30,499; sh: 20,699; perl: 11,320; xml: 9,039; java: 7,653; cpp: 6,029; makefile: 4,866; awk: 1,338; yacc: 1,103; sed: 772; cs: 505; lex: 134; asm: 14
file content (59 lines) | stat: -rw-r--r-- 1,158 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1997-2002
 *	Sleepycat Software.  All rights reserved.
 */

#include "db_config.h"

#ifndef lint
static const char revid[] = "$Id: os_fsync.c,v 1.1.1.1 2003/11/20 22:13:38 toshok Exp $";
#endif /* not lint */

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <fcntl.h>			/* XXX: Required by __hp3000s900 */
#include <unistd.h>
#include <string.h>
#endif

#include "db_int.h"

/*
 * __os_fsync --
 *	Flush a file descriptor.
 *
 * PUBLIC: int __os_fsync __P((DB_ENV *, DB_FH *));
 */
int
__os_fsync(dbenv, fhp)
	DB_ENV *dbenv;
	DB_FH *fhp;
{
	BOOL success;
	int ret;

	/*
	 * Do nothing if the file descriptor has been marked as not requiring
	 * any sync to disk.
	 */
	if (F_ISSET(fhp, DB_FH_NOSYNC))
		return (0);

	ret = 0;
	do {
		if (DB_GLOBAL(j_fsync) != NULL)
			success = (DB_GLOBAL(j_fsync)(fhp->fd) == 0);
		else {
			success = FlushFileBuffers(fhp->handle);
			if (!success)
				__os_set_errno(__os_win32_errno());
		}
	} while (!success && (ret = __os_get_errno()) == EINTR);

	if (ret != 0)
		__db_err(dbenv, "fsync %s", strerror(ret));
	return (ret);
}