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explain_setregid_or_die(3) Library Functions Manual explain_setregid_or_die(3) NAME explain_setregid_or_die - set real and/or effective group ID and report errors SYNOPSIS #include <libexplain/setregid.h> void explain_setregid_or_die(gid_t rgid, gid_t egid); int explain_setregid_on_error(gid_t rgid, gid_t egid); DESCRIPTION The explain_setregid_or_die function is used to call the setregid(2) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_setregid(3) function, and then the process ter- minates by calling exit(EXIT_FAILURE). The explain_setregid_on_error function is used to call the setregid(2) system call. On failure an explanation will be printed to stderr, ob- tained from the explain_setregid(3) function, but still returns to the caller. rgid The rgid, exactly as to be passed to the setregid(2) system call. egid The egid, exactly as to be passed to the setregid(2) system call. RETURN VALUE The explain_setregid_or_die function only returns on success, see se- tregid(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_setregid_on_error function always returns the value return by the wrapped setregid(2) system call. EXAMPLE The explain_setregid_or_die function is intended to be used in a fash- ion similar to the following example: explain_setregid_or_die(rgid, egid); SEE ALSO setregid(2) set real and/or effective group ID explain_setregid(3) explain setregid(2) errors exit(2) terminate the calling process COPYRIGHT libexplain version 1.3 Copyright (C) 2012 Peter Miller explain_setregid_or_die(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO | COPYRIGHT
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