SIMPLE SOLUTIONS

EXPLAIN_CHROOT_OR_DIE(3) - man page online | library functions

Change root directory and report errors.

Chapter
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 infor‐ mation. 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 fol‐ lowing 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
explain_chroot_or_die(3)
This manual Reference Other manuals
explain_chroot_or_die(3) referred by explain(3) | explain_chroot(3)
refer to chroot(2) | _exit(2) | explain_chroot(3)