Module « os » Python 3.11.3

Fonction pwritev - module os

Signature de la fonction pwritev

def pwritev(fd, buffers, offset, flags=0) 

Description

help(os.pwritev)

Writes the contents of bytes-like objects to a file descriptor at a given offset.

Combines the functionality of writev() and pwrite(). All buffers must be a sequence
of bytes-like objects. Buffers are processed in array order. Entire contents of first
buffer is written before proceeding to second, and so on. The operating system may
set a limit (sysconf() value SC_IOV_MAX) on the number of buffers that can be used.
This function writes the contents of each object to the file descriptor and returns
the total number of bytes written.

The flags argument contains a bitwise OR of zero or more of the following flags:

- RWF_DSYNC
- RWF_SYNC
- RWF_APPEND

Using non-zero flags requires Linux 4.7 or newer.