explain_chroot_or_die(3) - Linux man page
Name
explain_chroot_or_die - change root directory and report errors
Synopsis
#include <libexplain/chroot.h>
void explain_chroot_or_die(const char *pathname);
int explain_chroot_on_error(const char *pathname))
Description
The explain_chroot_or_die function is used to call the chroot(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_chroot(3) function, and then the process terminates by calling exit(EXIT_FAILURE).
The explain_chroot_on_error function is used to call the chroot(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_chroot(3) function, but still returns to the caller.
- pathname
- The pathname, exactly as to be passed to the chroot(2) system call.
Return Value
The explain_chroot_or_die function only returns on success, see chroot(2) for more information. On failure, prints an explanation and exits, it does not return.
The explain_chroot_on_error function always returns the value return by the wrapped chroot(2) system call.
Example
The explain_chroot_or_die function is intended to be used in a fashion similar to the following example:
-
explain_chroot_or_die(pathname);
See Also
chroot(2)
- change root directory
- explain_chroot(3)
- explain chroot(2) errors
- exit(2)
terminate the calling process
Copyright
libexplain version 0.52
Copyright © 2009 Peter Miller