OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "mojo/edk/system/core.h" | 5 #include "mojo/edk/system/core.h" |
6 | 6 |
7 #include <string.h> | 7 #include <string.h> |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
(...skipping 27 matching lines...) Expand all Loading... |
38 #include "mojo/edk/system/waiter.h" | 38 #include "mojo/edk/system/waiter.h" |
39 | 39 |
40 namespace mojo { | 40 namespace mojo { |
41 namespace edk { | 41 namespace edk { |
42 | 42 |
43 namespace { | 43 namespace { |
44 | 44 |
45 // This is an unnecessarily large limit that is relatively easy to enforce. | 45 // This is an unnecessarily large limit that is relatively easy to enforce. |
46 const uint32_t kMaxHandlesPerMessage = 1024 * 1024; | 46 const uint32_t kMaxHandlesPerMessage = 1024 * 1024; |
47 | 47 |
48 // TODO: Maybe we could negotiate a debugging pipe ID for cross-process pipes | 48 // TODO(rockot): Maybe we could negotiate a debugging pipe ID for cross-process |
49 // too; for now we just use a constant. This only affects bootstrap pipes. | 49 // pipes too; for now we just use a constant. This only affects bootstrap pipes. |
50 const uint64_t kUnknownPipeIdForDebug = 0x7f7f7f7f7f7f7f7fUL; | 50 const uint64_t kUnknownPipeIdForDebug = 0x7f7f7f7f7f7f7f7fUL; |
51 | 51 |
52 void CallWatchCallback(MojoWatchCallback callback, | 52 void CallWatchCallback(MojoWatchCallback callback, |
53 uintptr_t context, | 53 uintptr_t context, |
54 MojoResult result, | 54 MojoResult result, |
55 const HandleSignalsState& signals_state, | 55 const HandleSignalsState& signals_state, |
56 MojoWatchNotificationFlags flags) { | 56 MojoWatchNotificationFlags flags) { |
57 callback(context, result, static_cast<MojoHandleSignalsState>(signals_state), | 57 callback(context, result, static_cast<MojoHandleSignalsState>(signals_state), |
58 flags); | 58 flags); |
59 } | 59 } |
(...skipping 748 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
808 MojoHandle* data_pipe_producer_handle, | 808 MojoHandle* data_pipe_producer_handle, |
809 MojoHandle* data_pipe_consumer_handle) { | 809 MojoHandle* data_pipe_consumer_handle) { |
810 RequestContext request_context; | 810 RequestContext request_context; |
811 if (options && options->struct_size != sizeof(MojoCreateDataPipeOptions)) | 811 if (options && options->struct_size != sizeof(MojoCreateDataPipeOptions)) |
812 return MOJO_RESULT_INVALID_ARGUMENT; | 812 return MOJO_RESULT_INVALID_ARGUMENT; |
813 | 813 |
814 MojoCreateDataPipeOptions create_options; | 814 MojoCreateDataPipeOptions create_options; |
815 create_options.struct_size = sizeof(MojoCreateDataPipeOptions); | 815 create_options.struct_size = sizeof(MojoCreateDataPipeOptions); |
816 create_options.flags = options ? options->flags : 0; | 816 create_options.flags = options ? options->flags : 0; |
817 create_options.element_num_bytes = options ? options->element_num_bytes : 1; | 817 create_options.element_num_bytes = options ? options->element_num_bytes : 1; |
818 // TODO: Use Configuration to get default data pipe capacity. | 818 // TODO(rockot): Use Configuration to get default data pipe capacity. |
819 create_options.capacity_num_bytes = | 819 create_options.capacity_num_bytes = |
820 options && options->capacity_num_bytes ? options->capacity_num_bytes | 820 options && options->capacity_num_bytes ? options->capacity_num_bytes |
821 : 64 * 1024; | 821 : 64 * 1024; |
822 | 822 |
823 // TODO: Broker through the parent when necessary. | 823 // TODO(rockot): Broker through the parent when necessary. |
824 scoped_refptr<PlatformSharedBuffer> ring_buffer = | 824 scoped_refptr<PlatformSharedBuffer> ring_buffer = |
825 GetNodeController()->CreateSharedBuffer( | 825 GetNodeController()->CreateSharedBuffer( |
826 create_options.capacity_num_bytes); | 826 create_options.capacity_num_bytes); |
827 if (!ring_buffer) | 827 if (!ring_buffer) |
828 return MOJO_RESULT_RESOURCE_EXHAUSTED; | 828 return MOJO_RESULT_RESOURCE_EXHAUSTED; |
829 | 829 |
830 ports::PortRef port0, port1; | 830 ports::PortRef port0, port1; |
831 GetNodeController()->node()->CreatePortPair(&port0, &port1); | 831 GetNodeController()->node()->CreatePortPair(&port0, &port1); |
832 | 832 |
833 CHECK(data_pipe_producer_handle); | 833 CHECK(data_pipe_producer_handle); |
(...skipping 285 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1119 | 1119 |
1120 void Core::GetActiveHandlesForTest(std::vector<MojoHandle>* handles) { | 1120 void Core::GetActiveHandlesForTest(std::vector<MojoHandle>* handles) { |
1121 base::AutoLock lock(handles_lock_); | 1121 base::AutoLock lock(handles_lock_); |
1122 handles_.GetActiveHandlesForTest(handles); | 1122 handles_.GetActiveHandlesForTest(handles); |
1123 } | 1123 } |
1124 | 1124 |
1125 MojoResult Core::WaitManyInternal(const MojoHandle* handles, | 1125 MojoResult Core::WaitManyInternal(const MojoHandle* handles, |
1126 const MojoHandleSignals* signals, | 1126 const MojoHandleSignals* signals, |
1127 uint32_t num_handles, | 1127 uint32_t num_handles, |
1128 MojoDeadline deadline, | 1128 MojoDeadline deadline, |
1129 uint32_t *result_index, | 1129 uint32_t* result_index, |
1130 HandleSignalsState* signals_states) { | 1130 HandleSignalsState* signals_states) { |
1131 CHECK(handles); | 1131 CHECK(handles); |
1132 CHECK(signals); | 1132 CHECK(signals); |
1133 DCHECK_GT(num_handles, 0u); | 1133 DCHECK_GT(num_handles, 0u); |
1134 if (result_index) { | 1134 if (result_index) { |
1135 DCHECK_EQ(*result_index, static_cast<uint32_t>(-1)); | 1135 DCHECK_EQ(*result_index, static_cast<uint32_t>(-1)); |
1136 } | 1136 } |
1137 | 1137 |
1138 // The primary caller of |WaitManyInternal()| is |Wait()|, which only waits on | 1138 // The primary caller of |WaitManyInternal()| is |Wait()|, which only waits on |
1139 // a single handle. In the common case of a single handle, this avoid a heap | 1139 // a single handle. In the common case of a single handle, this avoid a heap |
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1195 std::unique_ptr<NodeController> node_controller) { | 1195 std::unique_ptr<NodeController> node_controller) { |
1196 // It's OK to leak this reference. At this point we know the IO loop is still | 1196 // It's OK to leak this reference. At this point we know the IO loop is still |
1197 // running, and we know the NodeController will observe its eventual | 1197 // running, and we know the NodeController will observe its eventual |
1198 // destruction. This tells the NodeController to delete itself when that | 1198 // destruction. This tells the NodeController to delete itself when that |
1199 // happens. | 1199 // happens. |
1200 node_controller.release()->DestroyOnIOThreadShutdown(); | 1200 node_controller.release()->DestroyOnIOThreadShutdown(); |
1201 } | 1201 } |
1202 | 1202 |
1203 } // namespace edk | 1203 } // namespace edk |
1204 } // namespace mojo | 1204 } // namespace mojo |
OLD | NEW |