libexplain  1.4.D001
Functions
libexplain/ustat_or_die.c File Reference
#include <libexplain/ac/linux/types.h>
#include <libexplain/ac/sys/types.h>
#include <libexplain/ac/ustat.h>
#include <libexplain/output.h>
#include <libexplain/ustat.h>

Go to the source code of this file.

Functions

void explain_ustat_or_die (dev_t dev, struct ustat *ubuf)

Function Documentation

void explain_ustat_or_die ( dev_t  dev,
struct ustat data 
)

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

Parameters:
devThe dev, exactly as to be passed to the ustat(2) system call.
dataThe data, exactly as to be passed to the ustat(2) system call.
Returns:
This function only returns on success, see ustat(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:
 explain_ustat_or_die(dev, data);

Definition at line 28 of file ustat_or_die.c.