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