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diff --git a/man-pages-posix-2013/man3p/fdatasync.3p b/man-pages-posix-2013/man3p/fdatasync.3p new file mode 100644 index 0000000..728367a --- /dev/null +++ b/man-pages-posix-2013/man3p/fdatasync.3p @@ -0,0 +1,98 @@ +'\" et +.TH FDATASYNC "3P" 2013 "IEEE/The Open Group" "POSIX Programmer's Manual" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. + +.SH NAME +fdatasync +\(em synchronize the data of a file +(\fBREALTIME\fP) +.SH SYNOPSIS +.LP +.nf +#include <unistd.h> +.P +int fdatasync(int \fIfildes\fP); +.fi +.SH DESCRIPTION +The +\fIfdatasync\fR() +function shall force all currently queued I/O operations associated +with the file indicated by file descriptor +.IR fildes +to the synchronized I/O completion state. +.P +The functionality shall be equivalent to +\fIfsync\fR() +with the symbol _POSIX_SYNCHRONIZED_IO defined, +with the exception that all I/O operations shall be completed as +defined for synchronized I/O data integrity completion. +.SH "RETURN VALUE" +If successful, the +\fIfdatasync\fR() +function shall return the value 0; otherwise, the function shall return +the value \(mi1 and set +.IR errno +to indicate the error. If the +\fIfdatasync\fR() +function fails, outstanding I/O operations are not guaranteed to have +been completed. +.SH ERRORS +The +\fIfdatasync\fR() +function shall fail if: +.TP +.BR EBADF +The +.IR fildes +argument is not a valid file descriptor open for writing. +.TP +.BR EINVAL +This implementation does not support synchronized I/O for this file. +.P +In the event that any of the queued I/O operations fail, +\fIfdatasync\fR() +shall return the error conditions defined for +\fIread\fR() +and +\fIwrite\fR(). +.LP +.IR "The following sections are informative." +.SH EXAMPLES +None. +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fIaio_fsync\fR\^(\|)", +.IR "\fIfcntl\fR\^(\|)", +.IR "\fIfsync\fR\^(\|)", +.IR "\fIopen\fR\^(\|)", +.IR "\fIread\fR\^(\|)", +.IR "\fIwrite\fR\^(\|)" +.P +The Base Definitions volume of POSIX.1\(hy2008, +.IR "\fB<unistd.h>\fP" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, Copyright (C) 2013 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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 original Standard can be obtained online at +http://www.unix.org/online.html . + +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |