1 /* 2 * Copyright 2013 by Texas Instruments Incorporated. 3 * 4 */ 5 6 /* 7 * Copyright (c) 2013, Texas Instruments Incorporated 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * * Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 17 * * Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * * Neither the name of Texas Instruments Incorporated nor the names of 22 * its contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 27 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 29 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 30 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 31 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 32 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 33 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 34 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 35 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 */ 38 /* 39 * ======== GateProcessSupport.xdc ======== 40 */ 41 42 import xdc.runtime.Assert; 43 import xdc.runtime.Diags; 44 import xdc.runtime.Error; 45 import xdc.runtime.Log; 46 import xdc.runtime.knl.IGateProcessSupport; 47 48 @ModuleStartup /* initialize statically allocated instances */ 49 @InstanceInitError /* because initialization can fail */ 50 @InstanceFinalize /* have to clean up on delete */ 51 module GateProcessSupport inherits IGateProcessSupport 52 { 53 54 /*! Asserted in GateProcess_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: "--- GateProcess(%d) already exists, incrementing reference count" 70 }; 71 72 config Log.Event L_create = { 73 mask: Diags.LIFECYCLE, 74 msg: "--- GateProcess(%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 count; /*! number of times owner has entered this gate */ 86 /* pthread_t owner; */ 87 int owner; /*! thread that currently holds the gate */ 88 } 89 90 } 91 /* 92 * @(#) ti.sdo.xdcruntime.linux; 1, 0, 0,1; 5-20-2013 14:37:23; /db/atree/library/trees/osal/osal-g09/src/packages/ xlibrary 93 94 */ 95