libexplain/writev_or_die.c File Reference

#include <libexplain/ac/sys/uio.h>
#include <libexplain/output.h>
#include <libexplain/writev.h>

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Functions
ssize_t	explain_writev_or_die (int fildes, const struct iovec *data, int data_size)

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Function Documentation

ssize_t explain_writev_or_die	(	int	fildes,
		const struct iovec *	data,
		int	data_size
	)

The explain_writev_or_die function is used to call the writev(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_writev(3) function, and then the process terminates by calling exit(EXIT_FAILURE).

Parameters:

fildes	The fildes, exactly as to be passed to the writev(2) system call.
data	The data, exactly as to be passed to the writev(2) system call.
data_size	The data_size, exactly as to be passed to the writev(2) system call.

Returns:

This function only returns on success, see writev(2) for more information. On failure, prints an explanation and exits, it does not return.

Example:

This function is intended to be used in a fashion similar to the following example:

 ssize_t result = explain_writev_or_die(fildes, data, data_size);

Definition at line 26 of file writev_or_die.c.