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The C and C++ Include Header Files
cat -n /usr/include/nodejs/src/node_wasi.h
1 #ifndef SRC_NODE_WASI_H_ 2 #define SRC_NODE_WASI_H_ 3 4 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS 5 6 #include "base_object.h" 7 #include "node_mem.h" 8 #include "uvwasi.h" 9 #include "v8-fast-api-calls.h" 10 11 namespace node { 12 namespace wasi { 13 14 struct WasmMemory { 15 char* data; 16 size_t size; 17 }; 18 19 class WASI : public BaseObject, 20 public mem::NgLibMemoryManager<WASI, uvwasi_mem_t> { 21 public: 22 WASI(Environment* env, 23 v8::Local<v8::Object> object, 24 uvwasi_options_t* options); 25 static void New(const v8::FunctionCallbackInfo<v8::Value>& args); 26 27 void MemoryInfo(MemoryTracker* tracker) const override; 28 SET_MEMORY_INFO_NAME(WASI) 29 SET_SELF_SIZE(WASI) 30 31 static uint32_t ArgsGet(WASI&, WasmMemory, uint32_t, uint32_t); 32 static uint32_t ArgsSizesGet(WASI&, WasmMemory, uint32_t, uint32_t); 33 static uint32_t ClockResGet(WASI&, WasmMemory, uint32_t, uint32_t); 34 static uint32_t ClockTimeGet(WASI&, WasmMemory, uint32_t, uint64_t, uint32_t); 35 static uint32_t EnvironGet(WASI&, WasmMemory, uint32_t, uint32_t); 36 static uint32_t EnvironSizesGet(WASI&, WasmMemory, uint32_t, uint32_t); 37 static uint32_t FdAdvise( 38 WASI&, WasmMemory, uint32_t, uint64_t, uint64_t, uint32_t); 39 static uint32_t FdAllocate(WASI&, WasmMemory, uint32_t, uint64_t, uint64_t); 40 static uint32_t FdClose(WASI&, WasmMemory, uint32_t); 41 static uint32_t FdDatasync(WASI&, WasmMemory, uint32_t); 42 static uint32_t FdFdstatGet(WASI&, WasmMemory, uint32_t, uint32_t); 43 static uint32_t FdFdstatSetFlags(WASI&, WasmMemory, uint32_t, uint32_t); 44 static uint32_t FdFdstatSetRights( 45 WASI&, WasmMemory, uint32_t, uint64_t, uint64_t); 46 static uint32_t FdFilestatGet(WASI&, WasmMemory, uint32_t, uint32_t); 47 static uint32_t FdFilestatSetSize(WASI&, WasmMemory, uint32_t, uint64_t); 48 static uint32_t FdFilestatSetTimes( 49 WASI&, WasmMemory, uint32_t, uint64_t, uint64_t, uint32_t); 50 static uint32_t FdPread(WASI&, 51 WasmMemory memory, 52 uint32_t, 53 uint32_t, 54 uint32_t, 55 uint64_t, 56 uint32_t); 57 static uint32_t FdPrestatGet(WASI&, WasmMemory, uint32_t, uint32_t); 58 static uint32_t FdPrestatDirName( 59 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t); 60 static uint32_t FdPwrite( 61 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint64_t, uint32_t); 62 static uint32_t FdRead( 63 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t); 64 static uint32_t FdReaddir( 65 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint64_t, uint32_t); 66 static uint32_t FdRenumber(WASI&, WasmMemory, uint32_t, uint32_t); 67 static uint32_t FdSeek( 68 WASI&, WasmMemory, uint32_t, int64_t, uint32_t, uint32_t); 69 static uint32_t FdSync(WASI&, WasmMemory, uint32_t); 70 static uint32_t FdTell(WASI&, WasmMemory, uint32_t, uint32_t); 71 static uint32_t FdWrite( 72 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t); 73 static uint32_t PathCreateDirectory( 74 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t); 75 static uint32_t PathFilestatGet( 76 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 77 static uint32_t PathFilestatSetTimes(WASI&, 78 WasmMemory, 79 uint32_t, 80 uint32_t, 81 uint32_t, 82 uint32_t, 83 uint64_t, 84 uint64_t, 85 uint32_t); 86 static uint32_t PathLink(WASI&, 87 WasmMemory, 88 uint32_t, 89 uint32_t, 90 uint32_t, 91 uint32_t, 92 uint32_t, 93 uint32_t, 94 uint32_t); 95 static uint32_t PathOpen(WASI&, 96 WasmMemory, 97 uint32_t, 98 uint32_t, 99 uint32_t, 100 uint32_t, 101 uint32_t, 102 uint64_t, 103 uint64_t, 104 uint32_t, 105 uint32_t); 106 static uint32_t PathReadlink(WASI&, 107 WasmMemory, 108 uint32_t, 109 uint32_t, 110 uint32_t, 111 uint32_t, 112 uint32_t, 113 uint32_t); 114 static uint32_t PathRemoveDirectory( 115 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t); 116 static uint32_t PathRename(WASI&, 117 WasmMemory, 118 uint32_t, 119 uint32_t, 120 uint32_t, 121 uint32_t, 122 uint32_t, 123 uint32_t); 124 static uint32_t PathSymlink( 125 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 126 static uint32_t PathUnlinkFile( 127 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t); 128 static uint32_t PollOneoff( 129 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t); 130 static void ProcExit(WASI&, WasmMemory, uint32_t); 131 static uint32_t ProcRaise(WASI&, WasmMemory, uint32_t); 132 static uint32_t RandomGet(WASI&, WasmMemory, uint32_t, uint32_t); 133 static uint32_t SchedYield(WASI&, WasmMemory); 134 static uint32_t SockAccept(WASI&, WasmMemory, uint32_t, uint32_t, uint32_t); 135 static uint32_t SockRecv(WASI&, 136 WasmMemory, 137 uint32_t, 138 uint32_t, 139 uint32_t, 140 uint32_t, 141 uint32_t, 142 uint32_t); 143 static uint32_t SockSend( 144 WASI&, WasmMemory, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); 145 static uint32_t SockShutdown(WASI&, WasmMemory, uint32_t, uint32_t); 146 147 static void _SetMemory(const v8::FunctionCallbackInfo<v8::Value>& args); 148 149 // Implementation for mem::NgLibMemoryManager 150 void CheckAllocatedSize(size_t previous_size) const; 151 void IncreaseAllocatedSize(size_t size); 152 void DecreaseAllocatedSize(size_t size); 153 154 // <typename FT, FT F> as a C++14 desugaring of `<auto F>` 155 template <typename FT, FT F, typename R, typename... Args> 156 class WasiFunction { 157 public: 158 static void SetFunction(Environment*, 159 const char*, 160 v8::Local<v8::FunctionTemplate>); 161 162 private: 163 static R FastCallback(v8::Local<v8::Object> receiver, 164 Args..., 165 v8::FastApiCallbackOptions&); 166 167 static void SlowCallback(const v8::FunctionCallbackInfo<v8::Value>&); 168 }; 169 170 private: 171 ~WASI() override; 172 uvwasi_t uvw_; 173 v8::Global<v8::WasmMemoryObject> memory_; 174 uvwasi_mem_t alloc_info_; 175 size_t current_uvwasi_memory_ = 0; 176 }; 177 178 179 } // namespace wasi 180 } // namespace node 181 182 #endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS 183 184 #endif // SRC_NODE_WASI_H_
