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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Note: This header should be compilable as C. | 5 // Note: This header should be compilable as C. |
6 | 6 |
7 #ifndef MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ | 7 #ifndef MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ |
8 #define MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ | 8 #define MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ |
9 | 9 |
10 #include <stddef.h> | 10 #include <stddef.h> |
11 #include <stdint.h> | 11 #include <stdint.h> |
12 | 12 |
13 #include "mojo/public/c/system/core.h" | 13 #include "mojo/public/c/system/core.h" |
14 #include "mojo/public/c/system/system_export.h" | 14 #include "mojo/public/c/system/system_export.h" |
15 | 15 |
16 // Structure used to bind the basic Mojo Core functions to an embedder | 16 // Structure used to bind the basic Mojo Core functions to an embedder |
17 // implementation. This is intended to eventually be used as a stable ABI | 17 // implementation. This is intended to eventually be used as a stable ABI |
18 // between a Mojo embedder and some loaded application code, but for now it is | 18 // between a Mojo embedder and some loaded application code, but for now it is |
19 // still effectively safe to rearrange entries as needed. | 19 // still effectively safe to rearrange entries as needed. |
20 #pragma pack(push, 8) | 20 #pragma pack(push, 8) |
21 struct MojoSystemThunks { | 21 struct MojoSystemThunks { |
22 size_t size; // Should be set to sizeof(MojoSystemThunks). | 22 size_t size; // Should be set to sizeof(MojoSystemThunks). |
23 MojoTimeTicks (*GetTimeTicksNow)(); | 23 MojoTimeTicks (*GetTimeTicksNow)(); |
24 MojoResult (*Close)(MojoHandle handle); | 24 MojoResult (*Close)(MojoHandle handle); |
| 25 MojoResult (*QueryHandleSignalsState)( |
| 26 MojoHandle handle, |
| 27 struct MojoHandleSignalsState* signals_state); |
25 MojoResult (*Wait)(MojoHandle handle, | 28 MojoResult (*Wait)(MojoHandle handle, |
26 MojoHandleSignals signals, | 29 MojoHandleSignals signals, |
27 MojoDeadline deadline, | 30 MojoDeadline deadline, |
28 struct MojoHandleSignalsState* signals_state); | 31 struct MojoHandleSignalsState* signals_state); |
29 MojoResult (*WaitMany)(const MojoHandle* handles, | 32 MojoResult (*WaitMany)(const MojoHandle* handles, |
30 const MojoHandleSignals* signals, | 33 const MojoHandleSignals* signals, |
31 uint32_t num_handles, | 34 uint32_t num_handles, |
32 MojoDeadline deadline, | 35 MojoDeadline deadline, |
33 uint32_t* result_index, | 36 uint32_t* result_index, |
34 struct MojoHandleSignalsState* signals_states); | 37 struct MojoHandleSignalsState* signals_states); |
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158 // The contents of |system_thunks| are copied. | 161 // The contents of |system_thunks| are copied. |
159 typedef size_t (*MojoSetSystemThunksFn)( | 162 typedef size_t (*MojoSetSystemThunksFn)( |
160 const struct MojoSystemThunks* system_thunks); | 163 const struct MojoSystemThunks* system_thunks); |
161 | 164 |
162 // A function for setting up the embedder's own system thunks. This should only | 165 // A function for setting up the embedder's own system thunks. This should only |
163 // be called by Mojo embedder code. | 166 // be called by Mojo embedder code. |
164 MOJO_SYSTEM_EXPORT size_t MojoEmbedderSetSystemThunks( | 167 MOJO_SYSTEM_EXPORT size_t MojoEmbedderSetSystemThunks( |
165 const struct MojoSystemThunks* system_thunks); | 168 const struct MojoSystemThunks* system_thunks); |
166 | 169 |
167 #endif // MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ | 170 #endif // MOJO_PUBLIC_C_SYSTEM_THUNKS_H_ |
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