SIMPLE SOLUTIONS

EXPLAIN_SETGID_OR_DIE - reference manual online

Set group identity and report errors.

Chapter
explain_setgid_or_die(3)             Library Functions Manual            explain_setgid_or_die(3)

NAME explain_setgid_or_die - set group identity and report errors
SYNOPSIS #include <libexplain/setgid.h> void explain_setgid_or_die(gid_t gid); int explain_setgid_on_error(gid_t gid);
DESCRIPTION The explain_setgid_or_die function is used to call the setgid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setgid(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setgid_on_error function is used to call the setgid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setgid(3) function, but still returns to the caller. gid The gid, exactly as to be passed to the setgid(2) system call.
RETURN VALUE The explain_setgid_or_die function only returns on success, see setgid(2) for more infor‐ mation. On failure, prints an explanation and exits, it does not return. The explain_setgid_on_error function always returns the value return by the wrapped set‐ gid(2) system call.
EXAMPLE The explain_setgid_or_die function is intended to be used in a fashion similar to the fol‐ lowing example: explain_setgid_or_die(gid);
SEE ALSO setgid(2) set group identity explain_setgid(3) explain setgid(2) errors exit(2) terminate the calling process
explain_setgid_or_die(3)
This manual Reference Other manuals
explain_setgid_or_die(3) referred by explain(3) | explain_setgid(3)
refer to _exit(2) | explain_setgid(3) | setgid(2)