Core mojo API for python.

mojo/public/python/mojo/c_core.pxd

Index: mojo/public/python/mojo/c_core.pxd
diff --git a/mojo/public/python/mojo/c_core.pxd b/mojo/public/python/mojo/c_core.pxd
new file mode 100644
index 0000000000000000000000000000000000000000..80b8487d6c202bcdb2eafdd45c0962b735681394
--- /dev/null
+++ b/mojo/public/python/mojo/c_core.pxd
@@ -0,0 +1,201 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# distutils: language = c++
+
+from cpython.buffer cimport PyBUF_CONTIG
+from cpython.buffer cimport PyBUF_CONTIG_RO
+from cpython.buffer cimport Py_buffer
+from cpython.buffer cimport PyBuffer_FillInfo
+from cpython.buffer cimport PyBuffer_Release
+from cpython.buffer cimport PyObject_GetBuffer
+from cpython.mem cimport PyMem_Malloc, PyMem_Free
+from libc.stdint cimport int32_t, int64_t, uint32_t, uint64_t, uintptr_t
+
+cdef extern from "third_party/cython/python_export.h":
+  pass
+
+cdef extern from "mojo/public/platform/native/system_thunks.h" nogil:
+  cdef struct MojoSystemThunks:
+    pass
+
+cdef extern size_t MojoSetSystemThunks(const MojoSystemThunks* system_thunks)
+
+cdef extern from "mojo/public/c/system/core.h" nogil:
+  # types.h
+  ctypedef int64_t MojoTimeTicks
+
+  ctypedef uint32_t MojoHandle
+  const MojoHandle MOJO_HANDLE_INVALID
+
+  ctypedef int32_t MojoResult
+  const MojoResult MOJO_RESULT_OK
+  const MojoResult MOJO_RESULT_CANCELLED
+  const MojoResult MOJO_RESULT_UNKNOWN
+  const MojoResult MOJO_RESULT_INVALID_ARGUMENT
+  const MojoResult MOJO_RESULT_DEADLINE_EXCEEDED
+  const MojoResult MOJO_RESULT_NOT_FOUND
+  const MojoResult MOJO_RESULT_ALREADY_EXISTS
+  const MojoResult MOJO_RESULT_PERMISSION_DENIED
+  const MojoResult MOJO_RESULT_RESOURCE_EXHAUSTED
+  const MojoResult MOJO_RESULT_FAILED_PRECONDITION
+  const MojoResult MOJO_RESULT_ABORTED
+  const MojoResult MOJO_RESULT_OUT_OF_RANGE
+  const MojoResult MOJO_RESULT_UNIMPLEMENTED
+  const MojoResult MOJO_RESULT_INTERNAL
+  const MojoResult MOJO_RESULT_UNAVAILABLE
+  const MojoResult MOJO_RESULT_DATA_LOSS
+  const MojoResult MOJO_RESULT_BUSY
+  const MojoResult MOJO_RESULT_SHOULD_WAIT
+
+  ctypedef uint64_t MojoDeadline
+  const MojoDeadline MOJO_DEADLINE_INDEFINITE
+
+  ctypedef uint32_t MojoHandleSignals
+  const MojoHandleSignals MOJO_HANDLE_SIGNAL_NONE
+  const MojoHandleSignals MOJO_HANDLE_SIGNAL_READABLE
+  const MojoHandleSignals MOJO_HANDLE_SIGNAL_WRITABLE
+
+  # functions.h
+  MojoTimeTicks MojoGetTimeTicksNow()
+  MojoResult MojoClose(MojoHandle handle)
+  MojoResult MojoWait(MojoHandle handle,
+                      MojoHandleSignals signals,
+                      MojoDeadline deadline)
+  MojoResult MojoWaitMany(const MojoHandle* handles,
+                          const MojoHandleSignals* signals,
+                          uint32_t num_handles,
+                          MojoDeadline deadline)
+
+  # message_pipe.h
+  ctypedef uint32_t MojoCreateMessagePipeOptionsFlags
+  const MojoCreateMessagePipeOptionsFlags MOJO_CREATE_MESSAGE_PIPE_OPTIONS_FLAG_NONE
+
+  ctypedef uint32_t MojoWriteMessageFlags
+  const MojoWriteMessageFlags MOJO_WRITE_MESSAGE_FLAG_NONE
+
+  ctypedef uint32_t MojoReadMessageFlags
+  const MojoReadMessageFlags MOJO_READ_MESSAGE_FLAG_NONE
+  const MojoReadMessageFlags MOJO_READ_MESSAGE_FLAG_MAY_DISCARD
+
+  cdef struct MojoCreateMessagePipeOptions:
+    uint32_t struct_size
+    MojoCreateMessagePipeOptionsFlags flags
+
+  MojoResult MojoCreateMessagePipe(
+      const MojoCreateMessagePipeOptions* options,
+      MojoHandle* message_pipe_handle0,
+      MojoHandle* message_pipe_handle1)
+
+  MojoResult MojoWriteMessage(
+      MojoHandle message_pipe_handle,
+      const void* bytes,
+      uint32_t num_bytes,
+      const MojoHandle* handles,
+      uint32_t num_handles,
+      MojoWriteMessageFlags flags)
+
+  MojoResult MojoReadMessage(
+      MojoHandle message_pipe_handle,
+      void* bytes,
+      uint32_t* num_bytes,
+      MojoHandle* handles,
+      uint32_t* num_handles,
+      MojoReadMessageFlags flags)
+
+  # data_pipe.h
+  ctypedef uint32_t MojoCreateDataPipeOptionsFlags
+  const MojoCreateDataPipeOptionsFlags MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE
+  const MojoCreateDataPipeOptionsFlags MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_MAY_DISCARD
+
+  cdef struct MojoCreateDataPipeOptions:
+    uint32_t struct_size
+    MojoCreateDataPipeOptionsFlags flags
+    uint32_t element_num_bytes
+    uint32_t capacity_num_bytes
+
+  ctypedef uint32_t MojoWriteDataFlags
+
+  const MojoWriteDataFlags MOJO_WRITE_DATA_FLAG_NONE
+  const MojoWriteDataFlags MOJO_WRITE_DATA_FLAG_ALL_OR_NONE
+
+  ctypedef uint32_t MojoReadDataFlags
+
+  const MojoReadDataFlags MOJO_READ_DATA_FLAG_NONE
+  const MojoReadDataFlags MOJO_READ_DATA_FLAG_ALL_OR_NONE
+  const MojoReadDataFlags MOJO_READ_DATA_FLAG_DISCARD
+  const MojoReadDataFlags MOJO_READ_DATA_FLAG_QUERY
+
+  MojoResult MojoCreateDataPipe(
+      const MojoCreateDataPipeOptions* options,
+      MojoHandle* data_pipe_producer_handle,
+      MojoHandle* data_pipe_consumer_handle)
+
+  MojoResult MojoWriteData(
+      MojoHandle data_pipe_producer_handle,
+      const void* elements,
+      uint32_t* num_bytes,
+      MojoWriteDataFlags flags)
+
+  MojoResult MojoBeginWriteData(
+      MojoHandle data_pipe_producer_handle,
+      void** buffer,
+      uint32_t* buffer_num_bytes,
+      MojoWriteDataFlags flags)
+
+  MojoResult MojoEndWriteData(
+      MojoHandle data_pipe_producer_handle,
+      uint32_t num_bytes_written)
+
+  MojoResult MojoReadData(
+      MojoHandle data_pipe_consumer_handle,
+      void* elements,
+      uint32_t* num_bytes,
+      MojoReadDataFlags flags)
+
+  MojoResult MojoBeginReadData(
+      MojoHandle data_pipe_consumer_handle,
+      const void** buffer,
+      uint32_t* buffer_num_bytes,
+      MojoReadDataFlags flags)
+
+  MojoResult MojoEndReadData(
+      MojoHandle data_pipe_consumer_handle,
+      uint32_t num_bytes_read)
+
+  # buffer.h
+  ctypedef uint32_t MojoCreateSharedBufferOptionsFlags
+  const MojoCreateSharedBufferOptionsFlags MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE
+
+  cdef struct MojoCreateSharedBufferOptions:
+    uint32_t struct_size
+    MojoCreateSharedBufferOptionsFlags flags
+
+  ctypedef uint32_t MojoDuplicateBufferHandleOptionsFlags
+  const MojoDuplicateBufferHandleOptionsFlags MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE
+
+  cdef struct MojoDuplicateBufferHandleOptions:
+    uint32_t struct_size
+    MojoDuplicateBufferHandleOptionsFlags flags
+
+  ctypedef uint32_t MojoMapBufferFlags
+  const MojoMapBufferFlags MOJO_MAP_BUFFER_FLAG_NONE
+
+  MojoResult MojoCreateSharedBuffer(
+      const MojoCreateSharedBufferOptions* options,
+      uint64_t num_bytes,
+      MojoHandle* shared_buffer_handle)
+
+  MojoResult MojoDuplicateBufferHandle(
+      MojoHandle buffer_handle,
+      const MojoDuplicateBufferHandleOptions* options,
+      MojoHandle* new_buffer_handle)
+
+  MojoResult MojoMapBuffer(MojoHandle buffer_handle,
+                           uint64_t offset,
+                           uint64_t num_bytes,
+                           void** buffer,
+                           MojoMapBufferFlags flags)
+
+  MojoResult MojoUnmapBuffer(void* buffer)