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 information. 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 setgid(2) system call. EXAMPLE The explain_setgid_or_die function is intended to be used in a fashion sim- ilar to the following 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 COPYRIGHT libexplain version 1.3 Copyright (C) 2012 Peter Miller explain_setgid_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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