explain_setresgid_or_die(3) Library Functions Manual explain_setresgid_or_die(3) NAME explain_setresgid_or_die - set r/e/s group ID and report errors SYNOPSIS #include <libexplain/setresgid.h> void explain_setresgid_or_die(gid_t rgid, gid_t egid, gid_t sgid); int explain_setresgid_on_error(gid_t rgid, gid_t egid, gid_t sgid); DESCRIPTION The explain_setresgid_or_die function is used to call the setresgid(2) sys- tem call. On failure an explanation will be printed to stderr, obtained from the explain_setresgid(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_setresgid_on_error function is used to call the setresgid(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_setresgid(3) function, but still returns to the caller. rgid The rgid, exactly as to be passed to the setresgid(2) system call. egid The egid, exactly as to be passed to the setresgid(2) system call. sgid The sgid, exactly as to be passed to the setresgid(2) system call. RETURN VALUE The explain_setresgid_or_die function only returns on success, see setres- gid(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_setresgid_on_error function always returns the value return by the wrapped setresgid(2) system call. EXAMPLE The explain_setresgid_or_die function is intended to be used in a fashion similar to the following example: explain_setresgid_or_die(rgid, egid, sgid); SEE ALSO setresgid(2) set real, effective and saved group ID explain_setresgid(3) explain setresgid(2) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2012 Peter Miller explain_setresgid_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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