1    /* 
     2     * Copyright (c) 2010, Texas Instruments Incorporated
     3     * All rights reserved.
     4     *
     5     * Redistribution and use in source and binary forms, with or without
     6     * modification, are permitted provided that the following conditions
     7     * are met:
     8     *
     9     * *  Redistributions of source code must retain the above copyright
    10     *    notice, this list of conditions and the following disclaimer.
    11     *
    12     * *  Redistributions in binary form must reproduce the above copyright
    13     *    notice, this list of conditions and the following disclaimer in the
    14     *    documentation and/or other materials provided with the distribution.
    15     *
    16     * *  Neither the name of Texas Instruments Incorporated nor the names of
    17     *    its contributors may be used to endorse or promote products derived
    18     *    from this software without specific prior written permission.
    19     *
    20     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    21     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    22     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    23     * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    24     * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    25     * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    26     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
    27     * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
    28     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
    29     * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
    30     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    31     * 
    32     */
    33    /*
    34     *  ======== SemProcessSupport.xdc ========
    35     */
    36    
    37    import xdc.runtime.Assert;
    38    import xdc.runtime.Diags;
    39    import xdc.runtime.Error;
    40    import xdc.runtime.Log;
    41    import xdc.runtime.knl.ISemProcessSupport;
    42    
    43    @ModuleStartup          /* initialize statically allocated instances */
    44    @InstanceInitError      /* because initialization can fail */
    45    @InstanceFinalize       /* have to clean up on delete */
    46    module SemProcessSupport inherits ISemProcessSupport
    47    {
    48    
    49        /*! Asserted in SemProcess_pend */
    50        config Assert.Id A_unsupportedTimeout = {
    51            msg: "A_unsupportedTimeout: Only SemProcess_FOREVER is supported"
    52        };
    53    
    54        /*! Asserted in SemProcess_create */
    55        config Assert.Id A_invalidKey = {
    56            msg: "A_invalidKey: params key has not been set"
    57        };
    58    
    59        config Assert.Id A_POSIX_Error = {
    60            msg: "A_POSIX_Error: a POSIX function returned failure"
    61        };
    62    
    63        config Error.Id E_POSIX_Error = {
    64            msg: "E_POSIX_Error: a POSIX function returned failure, errno is %d"
    65        };
    66    
    67        config Log.Event L_extant = {
    68            mask: Diags.LIFECYCLE,
    69            msg: "--- SemProcess(%d) already exists, incrementing reference count"
    70        };
    71    
    72        config Log.Event L_create = {
    73            mask: Diags.LIFECYCLE,
    74            msg: "--- SemProcess(%d) DNE, creating"
    75        };
    76    
    77        config Int perms = 0666; /*! unix-style RW perms for the underlying sem */
    78    
    79    internal:
    80    
    81        const Int POSIX_FAILURE = 1;
    82    
    83        struct Instance_State {
    84            Int id;     /*! ID of SysV semaphore */
    85            Int key;    /*! Key of SysV semaphore */
    86            Int count;  /*! used only for data transport from red to blue code */
    87            Mode mode;
    88        };
    89    }
    90    /*
    91     *  @(#) ti.sdo.xdcruntime.linux; 1, 0, 0,93; 10-29-2010 17:24:30; /db/atree/library/trees/osal/osal-c12x/src/ xlibrary
    92    
    93     */
    94