explain_chroot_or_die(3) Library Functions Manual explain_chroot_or_die(3) 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 sim- ilar 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 1.3 Copyright (C) 2009 Peter Miller explain_chroot_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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