IDynamicInterfaceManagement.c revision ed46c29d6a09112dbbf584c82953f63289596fd6
161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* 261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Copyright (C) 2010 The Android Open Source Project 361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * you may not use this file except in compliance with the License. 661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * You may obtain a copy of the License at 761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 1061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Unless required by applicable law or agreed to in writing, software 1161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 1261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * See the License for the specific language governing permissions and 1461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * limitations under the License. 1561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten */ 1661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* DynamicInterfaceManagement implementation */ 1861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#include "sles_allinclusive.h" 2061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 21ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 22510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten// Called by a worker thread to handle an asynchronous AddInterface. 23510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten// Parameter self is the DynamicInterface, and MPH specifies which interface to add. 24510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 25510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kastenstatic void HandleAdd(void *self, int MPH) 26510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten{ 27510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 28510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // validate input parameters 29d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 30d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten assert(NULL != this); 31d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten IObject *thisObject = InterfaceToIObject(this); 32510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(NULL != thisObject); 33510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(0 <= MPH && MPH < MPH_MAX); 34510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const ClassTable *class__ = thisObject->mClass; 35510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(NULL != class__); 36510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten int index = class__->mMPH_to_index[MPH]; 37510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(0 <= index && index < (int) class__->mInterfaceCount); 38510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten SLuint8 *interfaceStateP = &thisObject->mInterfaceStates[index]; 39510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten SLresult result; 40510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 41510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // check interface state 42510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_lock_exclusive(thisObject); 43276cab2d983b892d1b634474b6249f6bec400c76Glenn Kasten SLuint8 state = *interfaceStateP; 44510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten switch (state) { 45510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 46510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten case INTERFACE_ADDING_1: // normal case 47510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten { 48510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // change state to indicate we are now adding the interface 49510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten *interfaceStateP = INTERFACE_ADDING_2; 50510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 51510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 52510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // this section runs with mutex unlocked 53510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const struct iid_vtable *x = &class__->mInterfaces[index]; 54510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten size_t offset = x->mOffset; 55510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten void *thisItf = (char *) thisObject + offset; 56510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten size_t size = ((SLuint32) (index + 1) == class__->mInterfaceCount ? 57510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten class__->mSize : x[1].mOffset) - offset; 58510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten memset(thisItf, 0, size); 59d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten // Will never add IObject, so [1] is always defined 60510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten ((void **) thisItf)[1] = thisObject; 61510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten VoidHook init = MPH_init_table[MPH].mInit; 62510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten if (NULL != init) 63510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten (*init)(thisItf); 64510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_SUCCESS; 65510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 66510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // re-lock mutex to update state 67510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_lock_exclusive(thisObject); 68510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(INTERFACE_ADDING_2 == *interfaceStateP); 69510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten state = INTERFACE_ADDED; 70510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 71510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 72510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 73510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten case INTERFACE_ADDING_1A: // operation was aborted while on work queue 74510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_OPERATION_ABORTED; 75510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten state = INTERFACE_UNINITIALIZED; 76510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 77510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 78510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten default: // impossible 79510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(SL_BOOLEAN_FALSE); 80510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_INTERNAL_ERROR; 81510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 82510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 83510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 84510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 85510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // mutex is locked, update state 86510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten *interfaceStateP = state; 87510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 88510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // Make a copy of these, so we can call the callback with mutex unlocked 89d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten slDynamicInterfaceManagementCallback callback = this->mCallback; 90d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten void *context = this->mContext; 91510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 92510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 93510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // Note that the mutex is unlocked during the callback 94510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten if (NULL != callback) { 95510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const SLInterfaceID iid = &SL_IID_array[MPH]; // equal but not == to the original IID 96d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten (*callback)(&this->mItf, context, SL_DYNAMIC_ITF_EVENT_ASYNC_TERMINATION, result, iid); 97510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 98510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 99510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten} 100510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 101ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 1023a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IDynamicInterfaceManagement_AddInterface(SLDynamicInterfaceManagementItf self, 1033a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten const SLInterfaceID iid, SLboolean async) 10461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 105ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 106ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 107510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // validate input parameters 108ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == iid) { 109ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 110ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 111ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 112ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IObject *thisObject = InterfaceToIObject(this); 113ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const ClassTable *class__ = thisObject->mClass; 114ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten int MPH, index; 115ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if ((0 > (MPH = IID_to_MPH(iid))) || (0 > (index = class__->mMPH_to_index[MPH]))) { 116ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_FEATURE_UNSUPPORTED; 117ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 118ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten assert(index < (int) class__->mInterfaceCount); 119ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SLuint8 *interfaceStateP = &thisObject->mInterfaceStates[index]; 120510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 121ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // check interface state 122ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 123ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten switch (*interfaceStateP) { 124ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 125ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_UNINITIALIZED: // normal case 126ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (async) { 127ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Asynchronous: mark operation pending and cancellable 128ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_ADDING_1; 129ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 130ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 131ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // this section runs with mutex unlocked 132ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = ThreadPool_add(&thisObject->mEngine->mThreadPool, HandleAdd, this, 133ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten MPH); 134ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (SL_RESULT_SUCCESS != result) { 135ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Engine was destroyed during add, or insufficient memory, 136ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // so restore mInterfaceStates state to prior value 137ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 138ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten switch (*interfaceStateP) { 139ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_ADDING_1: // normal 140ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_ADDING_1A: // operation aborted while mutex unlocked 141ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_UNINITIALIZED; 142ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 143ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten default: // unexpected 144ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // leave state alone 145ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 146ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 147ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 148ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 149ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 150ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Synchronous: mark operation pending to prevent duplication 151ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_ADDING_2; 152ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 153ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 154ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // this section runs with mutex unlocked 155ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const struct iid_vtable *x = &class__->mInterfaces[index]; 156ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten size_t offset = x->mOffset; 157ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten size_t size = ((SLuint32) (index + 1) == class__->mInterfaceCount ? 158ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten class__->mSize : x[1].mOffset) - offset; 159ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten void *thisItf = (char *) thisObject + offset; 160ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten memset(thisItf, 0, size); 161ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Will never add IObject, so [1] is always defined 162ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten ((void **) thisItf)[1] = thisObject; 163ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten VoidHook init = MPH_init_table[MPH].mInit; 164ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL != init) 165ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten (*init)(thisItf); 166ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 167ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 168ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // re-lock mutex to update state 169ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 170ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten assert(INTERFACE_ADDING_2 == *interfaceStateP); 171ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_ADDED; 172ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 173510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 174ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // mutex is still locked 175ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 176ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 177ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten default: // disallow adding of (partially) initialized interfaces 178ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 179ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 180510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 181510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 182510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 183510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 184510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 18561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 18661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 187510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 188ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 18961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 19061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 191ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 19261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IDynamicInterfaceManagement_RemoveInterface( 19361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLDynamicInterfaceManagementItf self, const SLInterfaceID iid) 19461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 195ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 196510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 197ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // validate input parameters 198ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == iid) { 199ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 200ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 201ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 202ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IObject *thisObject = InterfaceToIObject(this); 203ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const ClassTable *class__ = thisObject->mClass; 204ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten int MPH, index; 205ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if ((0 > (MPH = IID_to_MPH(iid))) || (0 > (index = class__->mMPH_to_index[MPH]))) { 206ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 207ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 208ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SLuint8 *interfaceStateP = &thisObject->mInterfaceStates[index]; 209510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 210ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // check interface state 211ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 212ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten switch (*interfaceStateP) { 213ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 214ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_ADDED: // normal cases 215ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_SUSPENDED: 216ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten { 217ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Mark operation pending to prevent duplication 218ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_REMOVING; 219ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten thisObject->mGottenMask &= ~(1 << index); 220ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 221ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 222ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // The deinitialization is done with mutex unlocked 223ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const struct iid_vtable *x = &class__->mInterfaces[index]; 224ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten size_t offset = x->mOffset; 225ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten void *thisItf = (char *) thisObject + offset; 226ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten VoidHook deinit = MPH_init_table[MPH].mDeinit; 227ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL != deinit) 228ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten (*deinit)(thisItf); 229ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten #ifndef NDEBUG 230ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten size_t size = ((SLuint32) (index + 1) == class__->mInterfaceCount ? 231ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten class__->mSize : x[1].mOffset) - offset; 232ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten memset(thisItf, 0x55, size); 233ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten #endif 234ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 235ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 236ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Note that this was previously locked, but then unlocked for the deinit hook 237ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 238ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten assert(INTERFACE_REMOVING == *interfaceStateP); 239ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_UNINITIALIZED; 240ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 241510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 242ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // mutex is still locked 243ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 244510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 245ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten default: 246ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // disallow removal of non-dynamic interfaces, or interfaces which are 247ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // currently being resumed (will not auto-cancel an asynchronous resume) 248ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 249ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 250510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 251ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 252510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 253ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 254ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 25561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 256510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 257ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 25861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 25961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 260ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 261510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten// Called by a worker thread to handle an asynchronous ResumeInterface. 262510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten// Parameter self is the DynamicInterface, and MPH specifies which interface to resume. 263510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 264510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kastenstatic void HandleResume(void *self, int MPH) 265510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten{ 266510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 267510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // validate input parameters 268d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 269d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten assert(NULL != this); 270d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten IObject *thisObject = InterfaceToIObject(this); 271510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(NULL != thisObject); 272510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(0 <= MPH && MPH < MPH_MAX); 273510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const ClassTable *class__ = thisObject->mClass; 274510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(NULL != class__); 275510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten int index = class__->mMPH_to_index[MPH]; 276510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(0 <= index && index < (int) class__->mInterfaceCount); 277510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten SLuint8 *interfaceStateP = &thisObject->mInterfaceStates[index]; 278510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten SLresult result; 279510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 280510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // check interface state 281510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_lock_exclusive(thisObject); 282276cab2d983b892d1b634474b6249f6bec400c76Glenn Kasten SLuint8 state = *interfaceStateP; 283510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten switch (state) { 284510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 285510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten case INTERFACE_RESUMING_1: // normal case 286510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten { 287510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // change state to indicate we are now resuming the interface 288510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten *interfaceStateP = INTERFACE_RESUMING_2; 289510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 290510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 291510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // this section runs with mutex unlocked 292510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const struct iid_vtable *x = &class__->mInterfaces[index]; 293510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten size_t offset = x->mOffset; 294510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten void *thisItf = (char *) thisObject + offset; 295510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten VoidHook resume = MPH_init_table[MPH].mResume; 296510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten if (NULL != resume) 297510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten (*resume)(thisItf); 298510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_SUCCESS; 299510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 300510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // re-lock mutex to update state 301510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_lock_exclusive(thisObject); 302510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(INTERFACE_RESUMING_2 == *interfaceStateP); 303510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten state = INTERFACE_ADDED; 304510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 305510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 306510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 307510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten case INTERFACE_RESUMING_1A: // operation was aborted while on work queue 308510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_OPERATION_ABORTED; 309510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten state = INTERFACE_SUSPENDED; 310510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 311510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 312510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten default: // impossible 313510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten assert(SL_BOOLEAN_FALSE); 314510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten result = SL_RESULT_INTERNAL_ERROR; 315510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten break; 316510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 317510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 318510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 319510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // mutex is locked, update state 320510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten *interfaceStateP = state; 321510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 322510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // Make a copy of these, so we can call the callback with mutex unlocked 323d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten slDynamicInterfaceManagementCallback callback = this->mCallback; 324d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten void *context = this->mContext; 325510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 326510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 327510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // Note that the mutex is unlocked during the callback 328510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten if (NULL != callback) { 329510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten const SLInterfaceID iid = &SL_IID_array[MPH]; // equal but not == to the original IID 330d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten (*callback)(&this->mItf, context, SL_DYNAMIC_ITF_EVENT_ASYNC_TERMINATION, result, iid); 331510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 332510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten} 333510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 334ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 3353a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IDynamicInterfaceManagement_ResumeInterface(SLDynamicInterfaceManagementItf self, 33661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const SLInterfaceID iid, SLboolean async) 33761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 338ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 339ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 340510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten // validate input parameters 341ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == iid) { 342ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 343ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 344ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 345ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IObject *thisObject = InterfaceToIObject(this); 346ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const ClassTable *class__ = thisObject->mClass; 347ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten int MPH, index; 348ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if ((0 > (MPH = IID_to_MPH(iid))) || (0 > (index = class__->mMPH_to_index[MPH]))) { 349ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 350ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 351ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten assert(index < (int) class__->mInterfaceCount); 352ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SLuint8 *interfaceStateP = &thisObject->mInterfaceStates[index]; 353510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 354ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // check interface state 355ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 356ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten switch (*interfaceStateP) { 357ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 358ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_SUSPENDED: // normal case 359ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (async) { 360ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Asynchronous: mark operation pending and cancellable 361ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_RESUMING_1; 362ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 363ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 364ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // this section runs with mutex unlocked 365ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = ThreadPool_add(&thisObject->mEngine->mThreadPool, HandleResume, this, 366ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten MPH); 367ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (SL_RESULT_SUCCESS != result) { 368ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Engine was destroyed during resume, or insufficient memory, 369ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // so restore mInterfaceStates state to prior value 370ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 371ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten switch (*interfaceStateP) { 372ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_RESUMING_1: // normal 373ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten case INTERFACE_RESUMING_1A: // operation aborted while mutex unlocked 374ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_SUSPENDED; 375ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 376ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten default: // unexpected 377ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // leave state alone 378ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 379ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 380ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 381ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 382ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 383ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // Synchronous: mark operation pending to prevent duplication 384ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_RESUMING_2; 385ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 386ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 387ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // this section runs with mutex unlocked 388ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten const struct iid_vtable *x = &class__->mInterfaces[index]; 389ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten size_t offset = x->mOffset; 390ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten void *thisItf = (char *) this + offset; 391ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten VoidHook resume = MPH_init_table[MPH].mResume; 392ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL != resume) 393ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten (*resume)(thisItf); 394ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 395ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 396ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // re-lock mutex to update state 397ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_lock_exclusive(thisObject); 398ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten assert(INTERFACE_RESUMING_2 == *interfaceStateP); 399ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *interfaceStateP = INTERFACE_ADDED; 400ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 401510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 402ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten // mutex is now unlocked 403ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 404510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 405ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten default: // disallow resumption of non-suspended interfaces 406ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten object_unlock_exclusive(thisObject); 407ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 408ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 409510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten } 410510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 411510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten object_unlock_exclusive(thisObject); 4123a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten } 4133a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten } 414510f3671f716f6835282e4b0fd0275c20e9dadd8Glenn Kasten 415ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 41661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 41761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 418ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 4193a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IDynamicInterfaceManagement_RegisterCallback(SLDynamicInterfaceManagementItf self, 42061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten slDynamicInterfaceManagementCallback callback, void *pContext) 42161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 422ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 423ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 424daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 425d07ed7df4ec9338f97f12627690d58ed9b34f25bGlenn Kasten IObject *thisObject = InterfaceToIObject(this); 42661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(thisObject); 42761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mCallback = callback; 42861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mContext = pContext; 42961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(thisObject); 430ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 431ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 432ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 43361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 43461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 435ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 43661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLDynamicInterfaceManagementItf_ IDynamicInterfaceManagement_Itf = { 43761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IDynamicInterfaceManagement_AddInterface, 43861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IDynamicInterfaceManagement_RemoveInterface, 43961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IDynamicInterfaceManagement_ResumeInterface, 44061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IDynamicInterfaceManagement_RegisterCallback 44161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 44261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 44361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IDynamicInterfaceManagement_init(void *self) 44461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 44561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IDynamicInterfaceManagement *this = (IDynamicInterfaceManagement *) self; 44661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mItf = &IDynamicInterfaceManagement_Itf; 44761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mCallback = NULL; 44861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mContext = NULL; 44961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 450