10-04-2005
Quote:
Originally Posted by jim mcnamara
Make sure you call fflush() after every write to your temp files.
This sounds like a program design issue more than a problem with the filesystem.
No. I think it cannot be. Because, it is working well on other environments. It's the problem only on my system/environment. Moreover, it has fflush() after every write.
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LEARN ABOUT CENTOS
fflush
FFLUSH(3) Linux Programmer's Manual FFLUSH(3)
NAME
fflush - flush a stream
SYNOPSIS
#include <stdio.h>
int fflush(FILE *stream);
DESCRIPTION
For output streams, fflush() forces a write of all user-space buffered data for the given output or update stream via the stream's underly-
ing write function. For input streams, fflush() discards any buffered data that has been fetched from the underlying file, but has not
been consumed by the application. The open status of the stream is unaffected.
If the stream argument is NULL, fflush() flushes all open output streams.
For a nonlocking counterpart, see unlocked_stdio(3).
RETURN VALUE
Upon successful completion 0 is returned. Otherwise, EOF is returned and errno is set to indicate the error.
ERRORS
EBADF Stream is not an open stream, or is not open for writing.
The function fflush() may also fail and set errno for any of the errors specified for write(2).
ATTRIBUTES
Multithreading (see pthreads(7))
The fflush() function is thread-safe.
CONFORMING TO
C89, C99, POSIX.1-2001, POSIX.1-2008.
The standards do not specify the behavior for input streams. Most other implementations behave the same as Linux.
NOTES
Note that fflush() only flushes the user-space buffers provided by the C library. To ensure that the data is physically stored on disk the
kernel buffers must be flushed too, for example, with sync(2) or fsync(2).
SEE ALSO
fsync(2), sync(2), write(2), fclose(3), fopen(3), setbuf(3), unlocked_stdio(3)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU
2013-07-15 FFLUSH(3)