mojo/system/entrypoints.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/system/entrypoints.h"
   6
   7 #include "mojo/public/c/system/buffer.h"
   8 #include "mojo/public/c/system/data_pipe.h"
   9 #include "mojo/public/c/system/functions.h"
  10 #include "mojo/public/c/system/message_pipe.h"
  11 #include "mojo/system/core.h"
  12
  13 static mojo::system::Core* g_core = NULL;
  14
  15 namespace mojo {
  16 namespace system {
  17 namespace entrypoints {
  18
  19 void SetCore(Core* core) {
  20   g_core = core;
  21 }
  22
  23 Core* GetCore() {
  24   return g_core;
  25 }
  26
  27 }  // namespace entrypoints
  28 }  // namepace system
  29 }  // namespace mojo
  30
  31 // Definitions of the system functions.
  32 extern "C" {
  33
  34 MojoTimeTicks MojoGetTimeTicksNow() {
  35   return g_core->GetTimeTicksNow();
  36 }
  37
  38 MojoResult MojoClose(MojoHandle handle) {
  39   return g_core->Close(handle);
  40 }
  41
  42 MojoResult MojoWait(MojoHandle handle,
  43                     MojoWaitFlags flags,
  44                     MojoDeadline deadline) {
  45   return g_core->Wait(handle, flags, deadline);
  46 }
  47
  48 MojoResult MojoWaitMany(const MojoHandle* handles,
  49                         const MojoWaitFlags* flags,
  50                         uint32_t num_handles,
  51                         MojoDeadline deadline) {
  52   return g_core->WaitMany(handles, flags, num_handles, deadline);
  53 }
  54
  55 MojoResult MojoCreateMessagePipe(MojoHandle* message_pipe_handle0,
  56                                  MojoHandle* message_pipe_handle1) {
  57   return g_core->CreateMessagePipe(message_pipe_handle0, message_pipe_handle1);
  58 }
  59
  60 MojoResult MojoWriteMessage(MojoHandle message_pipe_handle,
  61                             const void* bytes,
  62                             uint32_t num_bytes,
  63                             const MojoHandle* handles,
  64                             uint32_t num_handles,
  65                             MojoWriteMessageFlags flags) {
  66   return g_core->WriteMessage(
  67       message_pipe_handle, bytes, num_bytes, handles, num_handles, flags);
  68 }
  69
  70 MojoResult MojoReadMessage(MojoHandle message_pipe_handle,
  71                            void* bytes,
  72                            uint32_t* num_bytes,
  73                            MojoHandle* handles,
  74                          uint32_t* num_handles,
  75                            MojoReadMessageFlags flags) {
  76   return g_core->ReadMessage(
  77       message_pipe_handle, bytes, num_bytes, handles, num_handles, flags);
  78 }
  79
  80 MojoResult MojoCreateDataPipe(const MojoCreateDataPipeOptions* options,
  81                               MojoHandle* data_pipe_producer_handle,
  82                               MojoHandle* data_pipe_consumer_handle) {
  83   return g_core->CreateDataPipe(
  84       options, data_pipe_producer_handle, data_pipe_consumer_handle);
  85 }
  86
  87 MojoResult MojoWriteData(MojoHandle data_pipe_producer_handle,
  88                          const void* elements,
  89                          uint32_t* num_elements,
  90                          MojoWriteDataFlags flags) {
  91   return g_core->WriteData(
  92       data_pipe_producer_handle, elements, num_elements, flags);
  93 }
  94
  95 MojoResult MojoBeginWriteData(MojoHandle data_pipe_producer_handle,
  96                               void** buffer,
  97                               uint32_t* buffer_num_elements,
  98                               MojoWriteDataFlags flags) {
  99   return g_core->BeginWriteData(
 100       data_pipe_producer_handle, buffer, buffer_num_elements, flags);
 101 }
 102
 103 MojoResult MojoEndWriteData(MojoHandle data_pipe_producer_handle,
 104                             uint32_t num_elements_written) {
 105   return g_core->EndWriteData(data_pipe_producer_handle, num_elements_written);
 106 }
 107
 108 MojoResult MojoReadData(MojoHandle data_pipe_consumer_handle,
 109                         void* elements,
 110                         uint32_t* num_elements,
 111                         MojoReadDataFlags flags) {
 112   return g_core->ReadData(
 113       data_pipe_consumer_handle, elements, num_elements, flags);
 114 }
 115
 116 MojoResult MojoBeginReadData(MojoHandle data_pipe_consumer_handle,
 117                              const void** buffer,
 118                              uint32_t* buffer_num_elements,
 119                              MojoReadDataFlags flags) {
 120   return g_core->BeginReadData(
 121       data_pipe_consumer_handle, buffer, buffer_num_elements, flags);
 122 }
 123
 124 MojoResult MojoEndReadData(MojoHandle data_pipe_consumer_handle,
 125                            uint32_t num_elements_read) {
 126   return g_core->EndReadData(data_pipe_consumer_handle, num_elements_read);
 127 }
 128
 129 MojoResult MojoCreateSharedBuffer(
 130     const struct MojoCreateSharedBufferOptions* options,
 131     uint64_t num_bytes,
 132     MojoHandle* shared_buffer_handle) {
 133   return g_core->CreateSharedBuffer(options, num_bytes, shared_buffer_handle);
 134 }
 135
 136 MojoResult MojoDuplicateBufferHandle(
 137     MojoHandle buffer_handle,
 138     const struct MojoDuplicateBufferHandleOptions* options,
 139     MojoHandle* new_buffer_handle) {
 140   return g_core->DuplicateBufferHandle(
 141       buffer_handle, options, new_buffer_handle);
 142 }
 143
 144 MojoResult MojoMapBuffer(MojoHandle buffer_handle,
 145                          uint64_t offset,
 146                          uint64_t num_bytes,
 147                          void** buffer,
 148                          MojoMapBufferFlags flags) {
 149   return g_core->MapBuffer(buffer_handle, offset, num_bytes, buffer, flags);
 150 }
 151
 152 MojoResult MojoUnmapBuffer(void* buffer) {
 153   return g_core->UnmapBuffer(buffer);
 154 }
 155
 156 }  // extern "C"