explain_chroot_or_die man page
explain_chroot_or_die — change root directory and report errors
void explain_chroot_or_die(const char *pathname);
int explain_chroot_on_error(const char *pathname))
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
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.
The pathname, exactly as to be passed to the chroot(2) system call.
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.
The explain_chroot_or_die function is intended to be used in a fashion similar to the following example:
change root directory
explain chroot(2) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2009 Peter Miller