Linux 2.6 - man page for sync (linux section 3posix)
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SYNC(P) POSIX Programmer's Manual SYNC(P)
sync - schedule file system updates
The sync() function shall cause all information in memory that updates file systems to be
scheduled for writing out to all file systems.
The writing, although scheduled, is not necessarily complete upon return from sync().
The sync() function shall not return a value.
No errors are defined.
The following sections are informative.
fsync() , the Base Definitions volume of IEEE Std 1003.1-2001, <unistd.h>
Portions of this text are reprinted and reproduced in electronic form from IEEE Std
1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System
Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and The Open Group
Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .
IEEE/The Open Group 2003 SYNC(P)
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