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2003-08-14 Joel Sherrill <joel@OARcorp.com>

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* Makefile.am: Add fileio to list of interactive tests.
	* src/sync.c: New file.
This commit is contained in:
Joel Sherrill
2003-08-14 20:00:46 +00:00
parent f6c6bc8f95
commit bed55af1ee
3 changed files with 75 additions and 1 deletions
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5
cpukit/libcsupport/ChangeLog
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@@ -1,3 +1,8 @@
2003-08-14 Joel Sherrill <joel@OARcorp.com>
* Makefile.am: Add fileio to list of interactive tests.
* src/sync.c: New file.
2003-08-05 Till Strauman <strauman@slac.stanford.edu>
PR 442/filesystem

2
cpukit/libcsupport/Makefile.am
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@@ -117,7 +117,7 @@ SYSTEM_CALL_C_FILES = src/open.c src/close.c src/read.c src/write.c \
src/unlink.c src/umask.c src/ftruncate.c src/utime.c src/fstat.c \
src/fcntl.c src/fpathconf.c src/getdents.c src/fsync.c src/fdatasync.c \
src/pipe.c src/dup.c src/dup2.c src/symlink.c src/readlink.c src/creat.c \
src/chroot.c
src/chroot.c src/sync.c
DIRECTORY_SCAN_C_FILES = src/opendir.c src/closedir.c src/readdir.c \
src/readdir_r.c src/rewinddir.c src/scandir.c src/seekdir.c \

69
cpukit/libcsupport/src/sync.c Normal file
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@@ -0,0 +1,69 @@
/*
* sync() - XXX ??? where is this defined
*
* This function operates by as follows:
* for all threads
* for all FILE *
* fsync()
* fdatasync()
*
* COPYRIGHT (c) 1989-2003.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
/* this is needed to get the fileno() prototype */
#if defined(__STRICT_ANSI__)
#undef __STRICT_ANSI__
#endif
#include <unistd.h>
#include <stdio.h>
#include <rtems.h>
/*
#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
#include <rtems/libio_.h>
#include <rtems/seterr.h>
*/
/* XXX check standards -- Linux version appears to be void */
void _fwalk(struct _reent *, void *);
static void sync_wrapper(FILE *f)
{
int fn = fileno(f);
fsync(fn);
fdatasync(fn);
}
/* iterate over all FILE *'s for this thread */
static void sync_per_thread(Thread_Control *t)
{
struct reent *current_reent;
/*
* The sync_wrapper() function will operate on the current thread's
* reent structure so we will temporarily use that.
*/
current_reent = _Thread_Executing->libc_reent;
_Thread_Executing->libc_reent = t->libc_reent;
_fwalk (t->libc_reent, sync_wrapper);
_Thread_Executing->libc_reent = current_reent;
}
int sync(void)
{
rtems_iterate_over_all_threads(sync_per_thread);
return 0;
}