GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages
explain_openat_or_die(3) FreeBSD Library Functions Manual explain_openat_or_die(3)

explain_openat_or_die - open a file relative to a dir fd and report errors

#include <libexplain/openat.h>

int explain_openat_or_die(int fildes, const char *pathname, int flags, mode_t mode);
int explain_openat_on_error(int fildes, const char *pathname, int flags, mode_t mode);

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

The explain_openat_on_error function is used to call the openat(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_openat(3) function, but still returns to the caller.

fildes
The fildes, exactly as to be passed to the openat(2) system call.
pathname
The pathname, exactly as to be passed to the openat(2) system call.
flags
The flags, exactly as to be passed to the openat(2) system call.
mode
The mode, exactly as to be passed to the openat(2) system call.

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

The explain_openat_on_error function always returns the value return by the wrapped openat(2) system call.

The explain_openat_or_die function is intended to be used in a fashion similar to the following example:
int result = explain_openat_or_die(fildes, pathname, flags, mode);

openat(2)
open a file relative to a directory file descriptor
explain_openat(3)
explain openat(2) errors
exit(2)
terminate the calling process

libexplain version 1.3
Copyright (C) 2013 Peter Miller

Search for    or go to Top of page |  Section 3 |  Main Index

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with ManDoc.