00001 00002 /* 00003 * Copyright (c) 2011-2012 MLBA-Team. All rights reserved. 00004 * 00005 * @MLBA_OPEN_LICENSE_HEADER_START@ 00006 * 00007 * Licensed under the Apache License, Version 2.0 (the "License"); 00008 * you may not use this file except in compliance with the License. 00009 * You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, software 00014 * distributed under the License is distributed on an "AS IS" BASIS, 00015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00016 * See the License for the specific language governing permissions and 00017 * limitations under the License. 00018 * 00019 * @MLBA_OPEN_LICENSE_HEADER_END@ 00020 */ 00021 00022 00023 #ifndef XDISPATCH_BASE_H_ 00024 #define XDISPATCH_BASE_H_ 00025 00031 #ifndef __XDISPATCH_INDIRECT__ 00032 #error "Please #include <xdispatch/dispatch.h> instead of this file directly." 00033 #endif 00034 00035 #include <string> 00036 00037 __XDISPATCH_BEGIN_NAMESPACE 00038 00039 class XDISPATCH_EXPORT queue; 00040 00044 class XDISPATCH_EXPORT object { 00045 00046 protected: 00047 object(); 00048 00049 public: 00050 virtual ~object(); 00055 virtual void resume(); 00065 virtual void suspend(); 00072 virtual void target_queue(const queue&); 00077 virtual dispatch_object_t native() const = 0; 00078 00079 bool operator ==(const object&); 00080 bool operator !=(const object&); 00081 bool operator ==(const dispatch_object_t&); 00082 bool operator !=(const dispatch_object_t&); 00083 }; 00084 00085 XDISPATCH_EXPORT bool operator ==(const dispatch_object_t&, const object&); 00086 XDISPATCH_EXPORT bool operator !=(const dispatch_object_t&, const object&); 00087 00088 class queue; 00089 00094 typedef dispatch_time_t time; 00099 static const time time_now = DISPATCH_TIME_NOW; 00104 static const time time_forever = DISPATCH_TIME_FOREVER; 00108 static const uint64_t nsec_per_sec = NSEC_PER_SEC; 00112 static const uint64_t nsec_per_msec = NSEC_PER_MSEC; 00116 static const uint64_t nsec_per_usec = NSEC_PER_USEC; 00120 static const uint64_t usec_per_sec = USEC_PER_SEC; 00125 enum queue_priority { HIGH =2, DEFAULT =1, LOW =0 }; 00133 XDISPATCH_EXPORT queue main_queue(); 00144 XDISPATCH_EXPORT queue global_queue(queue_priority p = DEFAULT); 00149 XDISPATCH_EXPORT queue current_queue(); 00153 XDISPATCH_EXPORT time as_dispatch_time(struct tm*); 00157 inline dispatch_time_t as_native_dispatch_time(const time& t) { 00158 return t; 00159 } 00160 00164 XDISPATCH_EXPORT struct tm as_struct_tm(const time& t); 00170 XDISPATCH_EXPORT time as_delayed_time(uint64_t delay, time base = time_now); 00181 XDISPATCH_EXPORT void exec(); 00182 00183 __XDISPATCH_END_NAMESPACE 00184 00187 #endif /* XDISPATCH_BASE_H_ */
