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Annotation of fam/fam/timeval.h, Revision 1.1

1.1     ! trev        1: //  Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
        !             2: //
        !             3: //  This program is free software; you can redistribute it and/or modify it
        !             4: //  under the terms of version 2 of the GNU General Public License as
        !             5: //  published by the Free Software Foundation.
        !             6: //
        !             7: //  This program is distributed in the hope that it would be useful, but
        !             8: //  WITHOUT ANY WARRANTY; without even the implied warranty of
        !             9: //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Further, any
        !            10: //  license provided herein, whether implied or otherwise, is limited to
        !            11: //  this program in accordance with the express provisions of the GNU
        !            12: //  General Public License.  Patent licenses, if any, provided herein do not
        !            13: //  apply to combinations of this program with other product or programs, or
        !            14: //  any other product whatsoever.  This program is distributed without any
        !            15: //  warranty that the program is delivered free of the rightful claim of any
        !            16: //  third person by way of infringement or the like.  See the GNU General
        !            17: //  Public License for more details.
        !            18: //
        !            19: //  You should have received a copy of the GNU General Public License along
        !            20: //  with this program; if not, write the Free Software Foundation, Inc., 59
        !            21: //  Temple Place - Suite 330, Boston MA 02111-1307, USA.
        !            22:
        !            23: #ifndef timeval_included
        !            24: #define timeval_included
        !            25:
        !            26: #include <sys/time.h>
        !            27:
        !            28: //////////////////////////////////////////////////////////////////////////////
        !            29: //  Define a few arithmetic ops on timevals.  Makes code much more
        !            30: //  readable.
        !            31: //
        !            32: //  operators += and -= are defined in timeval.C.  The rest are
        !            33: //  defined as inline functions.
        !            34:
        !            35: timeval& operator += (timeval& left, const timeval& right);
        !            36: timeval& operator -= (timeval& left, const timeval& right);
        !            37:
        !            38: inline timeval
        !            39: operator + (const timeval& left, const timeval& right)
        !            40: {
        !            41:     timeval result = left;
        !            42:     result += right;
        !            43:     return result;
        !            44: }
        !            45:
        !            46: inline timeval
        !            47: operator - (const timeval& left, const timeval& right)
        !            48: {
        !            49:     timeval result = left;
        !            50:     result -= right;
        !            51:     return result;
        !            52: }
        !            53:
        !            54: inline int
        !            55: operator < (const timeval& left, const timeval& right)
        !            56: {
        !            57:     return timercmp(&left, &right, < );
        !            58: }
        !            59:
        !            60: inline int
        !            61: operator > (const timeval& left, const timeval& right)
        !            62: {
        !            63:     return timercmp(&left, &right, > );
        !            64: }
        !            65:
        !            66: inline int
        !            67: operator >= (const timeval& left, const timeval& right)
        !            68: {
        !            69:     return !(left < right);
        !            70: }
        !            71:
        !            72: inline int
        !            73: operator <= (const timeval& left, const timeval& right)
        !            74: {
        !            75:     return !(left > right);
        !            76: }
        !            77:
        !            78: inline int
        !            79: operator == (const timeval& left, const timeval& right)
        !            80: {
        !            81:     return timercmp(&left, &right, == );
        !            82: }
        !            83:
        !            84: inline int
        !            85: operator != (const timeval& left, const timeval& right)
        !            86: {
        !            87:     return timercmp(&left, &right, != );
        !            88: }
        !            89:
        !            90: #endif /* !timeval_included */