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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/memory/shared_memory.h" | 5 #include "base/memory/shared_memory.h" |
6 | 6 |
7 #include <errno.h> | 7 #include <errno.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 #include <sys/mman.h> | 10 #include <sys/mman.h> |
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124 shm_ = SharedMemoryHandle(); | 124 shm_ = SharedMemoryHandle(); |
125 } | 125 } |
126 } | 126 } |
127 | 127 |
128 SharedMemoryHandle SharedMemory::GetReadOnlyHandle() { | 128 SharedMemoryHandle SharedMemory::GetReadOnlyHandle() { |
129 // Untrusted code can't create descriptors or handles, which is needed to | 129 // Untrusted code can't create descriptors or handles, which is needed to |
130 // drop permissions. | 130 // drop permissions. |
131 return SharedMemoryHandle(); | 131 return SharedMemoryHandle(); |
132 } | 132 } |
133 | 133 |
134 bool SharedMemory::ShareToProcessCommon(ProcessHandle process, | |
135 SharedMemoryHandle* new_handle) { | |
136 *new_handle = shm_.Duplicate(); | |
137 return new_handle->IsValid(); | |
138 } | |
139 | |
140 } // namespace base | 134 } // namespace base |
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