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explain_se...ups_or_die(3) Library Functions Manual explain_se...ups_or_die(3) NAME explain_setgroups_or_die - set supplementary group IDs and report er- rors SYNOPSIS #include <libexplain/setgroups.h> void explain_setgroups_or_die(size_t data_size, const gid_t *data); int explain_setgroups_on_error(size_t data_size, const gid_t *data); DESCRIPTION The explain_setgroups_or_die function is used to call the setgroups(2) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_setgroups(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setgroups_on_error function is used to call the set- groups(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setgroups(3) function, but still re- turns to the caller. data_size The data_size, exactly as to be passed to the setgroups(2) sys- tem call. data The data, exactly as to be passed to the setgroups(2) system call. RETURN VALUE The explain_setgroups_or_die function only returns on success, see set- groups(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_setgroups_on_error function always returns the value return by the wrapped setgroups(2) system call. EXAMPLE The explain_setgroups_or_die function is intended to be used in a fash- ion similar to the following example: explain_setgroups_or_die(data_size, data); SEE ALSO setgroups(2) get/set list of supplementary group IDs explain_setgroups(3) explain setgroups(2) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2009 Peter Miller explain_se...ups_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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