1 // 2 // Copyright 2012 Francisco Jerez 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 // OTHER DEALINGS IN THE SOFTWARE. 21 // 22 23 #ifndef CLOVER_CORE_CONTEXT_HPP 24 #define CLOVER_CORE_CONTEXT_HPP 25 26 #include <map> 27 #include <stack> 28 29 #include "core/object.hpp" 30 #include "core/device.hpp" 31 #include "core/property.hpp" 32 33 namespace clover { 34 class context : public ref_counter, public _cl_context { 35 private: 36 typedef adaptor_range< 37 evals, const std::vector<intrusive_ref<device>> & 38 > device_range; 39 typedef clover::property_list<cl_context_properties> property_list; 40 41 public: 42 ~context(); 43 44 typedef std::function<void (const char *)> notify_action; 45 typedef std::map<const void *, size_t> svm_pointer_map; 46 47 context(const property_list &props, const ref_vector<device> &devs, 48 const notify_action ¬ify); 49 50 context(const context &ctx) = delete; 51 context & 52 operator=(const context &ctx) = delete; 53 54 bool 55 operator==(const context &ctx) const; 56 bool 57 operator!=(const context &ctx) const; 58 59 void destroy_notify(std::function<void ()> f); 60 61 const property_list & 62 properties() const; 63 64 device_range 65 devices() const; 66 67 void 68 add_svm_allocation(const void *ptr, size_t size); 69 70 void 71 remove_svm_allocation(const void *ptr); 72 73 svm_pointer_map::value_type 74 find_svm_allocation(const void *ptr) const; 75 76 const notify_action notify; 77 78 private: 79 property_list props; 80 const std::vector<intrusive_ref<device>> devs; 81 std::stack<std::function<void ()>> _destroy_notify; 82 svm_pointer_map svm_ptrs; 83 }; 84 } 85 86 #endif 87