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| explain_chroot_or_die(3) | FreeBSD Library Functions Manual | explain_chroot_or_die(3) |
NAME
explain_chroot_or_die - change root directory and report errorsSYNOPSIS
#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 1.3Copyright (C) 2009 Peter Miller
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