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 * ======== GateProcessSupport.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.IGateProcessSupport; 42 43 @ModuleStartup /* initialize statically allocated instances */ 44 @InstanceInitError /* because initialization can fail */ 45 @InstanceFinalize /* have to clean up on delete */ 46 module GateProcessSupport inherits IGateProcessSupport 47 { 48 49 /*! Asserted in GateProcess_create */ 50 config Assert.Id A_invalidKey = { 51 msg: "A_invalidKey: params key has not been set" 52 }; 53 54 config Assert.Id A_POSIX_Error = { 55 msg: "A_POSIX_Error: a POSIX function returned failure" 56 }; 57 58 config Error.Id E_POSIX_Error = { 59 msg: "E_POSIX_Error: a POSIX function returned failure, errno is %d" 60 }; 61 62 config Log.Event L_extant = { 63 mask: Diags.LIFECYCLE, 64 msg: "--- GateProcess(%d) already exists, incrementing reference count" 65 }; 66 67 config Log.Event L_create = { 68 mask: Diags.LIFECYCLE, 69 msg: "--- GateProcess(%d) DNE, creating" 70 }; 71 72 config Int perms = 0666; /*! unix-style RW perms for the underlying sem */ 73 74 internal: 75 76 const Int POSIX_FAILURE = 1; 77 78 struct Instance_State { 79 Int id; /*! ID of SysV semaphore */ 80 Int count; /*! number of times owner has entered this gate */ 81 /* pthread_t owner; */ 82 int owner; /*! thread that currently holds the gate */ 83 } 84 85 } 86 /* 87 * @(#) ti.sdo.xdcruntime.linux; 1, 0, 0,93; 10-29-2010 17:24:29; /db/atree/library/trees/osal/osal-c12x/src/ xlibrary 88 89 */ 90