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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 <errno.h> | 5 #include <errno.h> |
6 #include <fcntl.h> | 6 #include <fcntl.h> |
7 #include <pthread.h> | 7 #include <pthread.h> |
8 #include <sys/stat.h> | 8 #include <sys/stat.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
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88 // There should be two references to the KernelHandle, the filesystem and node | 88 // There should be two references to the KernelHandle, the filesystem and node |
89 // should be unchanged. | 89 // should be unchanged. |
90 EXPECT_EQ(2, handle_a->RefCount()); | 90 EXPECT_EQ(2, handle_a->RefCount()); |
91 EXPECT_EQ(2, handle_b->RefCount()); | 91 EXPECT_EQ(2, handle_b->RefCount()); |
92 EXPECT_EQ(handle_a.get(), handle_b.get()); | 92 EXPECT_EQ(handle_a.get(), handle_b.get()); |
93 EXPECT_EQ(2, fs->RefCount()); | 93 EXPECT_EQ(2, fs->RefCount()); |
94 EXPECT_EQ(2, node->RefCount()); | 94 EXPECT_EQ(2, node->RefCount()); |
95 | 95 |
96 // Allocating an FD should cause the KernelProxy to ref the handle and | 96 // Allocating an FD should cause the KernelProxy to ref the handle and |
97 // the node and filesystem should be unchanged. | 97 // the node and filesystem should be unchanged. |
98 int fd1 = proxy.AllocateFD(handle_a); | 98 int fd1 = proxy.AllocateFD(handle_a, "/example"); |
99 EXPECT_EQ(3, handle_a->RefCount()); | 99 EXPECT_EQ(3, handle_a->RefCount()); |
100 EXPECT_EQ(2, fs->RefCount()); | 100 EXPECT_EQ(2, fs->RefCount()); |
101 EXPECT_EQ(2, node->RefCount()); | 101 EXPECT_EQ(2, node->RefCount()); |
102 | 102 |
103 // If we "dup" the handle, we should bump the ref count on the handle | 103 // If we "dup" the handle, we should bump the ref count on the handle |
104 int fd2 = proxy.AllocateFD(handle_b); | 104 int fd2 = proxy.AllocateFD(handle_b, ""); |
105 EXPECT_EQ(4, handle_a->RefCount()); | 105 EXPECT_EQ(4, handle_a->RefCount()); |
106 EXPECT_EQ(2, fs->RefCount()); | 106 EXPECT_EQ(2, fs->RefCount()); |
107 EXPECT_EQ(2, node->RefCount()); | 107 EXPECT_EQ(2, node->RefCount()); |
108 | 108 |
109 // Handles are expected to come out in order | 109 // Handles are expected to come out in order |
110 EXPECT_EQ(0, fd1); | 110 EXPECT_EQ(0, fd1); |
111 EXPECT_EQ(1, fd2); | 111 EXPECT_EQ(1, fd2); |
112 | 112 |
113 // Now we "free" the handles, since the proxy should hold them. | 113 // Now we "free" the handles, since the proxy should hold them. |
114 handle_a.reset(NULL); | 114 handle_a.reset(NULL); |
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158 EXPECT_EQ(1, fs->RefCount()); | 158 EXPECT_EQ(1, fs->RefCount()); |
159 EXPECT_EQ(1, node->RefCount()); | 159 EXPECT_EQ(1, node->RefCount()); |
160 | 160 |
161 KernelHandle* raw_handle = new KernelHandleForTesting(fs, node); | 161 KernelHandle* raw_handle = new KernelHandleForTesting(fs, node); |
162 ScopedKernelHandle handle(raw_handle); | 162 ScopedKernelHandle handle(raw_handle); |
163 | 163 |
164 EXPECT_EQ(2, fs->RefCount()); | 164 EXPECT_EQ(2, fs->RefCount()); |
165 EXPECT_EQ(2, node->RefCount()); | 165 EXPECT_EQ(2, node->RefCount()); |
166 EXPECT_EQ(1, raw_handle->RefCount()); | 166 EXPECT_EQ(1, raw_handle->RefCount()); |
167 | 167 |
168 proxy.AllocateFD(handle); | 168 proxy.AllocateFD(handle, "/example"); |
169 EXPECT_EQ(2, fs->RefCount()); | 169 EXPECT_EQ(2, fs->RefCount()); |
170 EXPECT_EQ(2, node->RefCount()); | 170 EXPECT_EQ(2, node->RefCount()); |
171 EXPECT_EQ(2, raw_handle->RefCount()); | 171 EXPECT_EQ(2, raw_handle->RefCount()); |
172 | 172 |
173 proxy.FreeAndReassignFD(5, handle); | 173 proxy.FreeAndReassignFD(5, handle, "/example"); |
174 EXPECT_EQ(2, fs->RefCount()); | 174 EXPECT_EQ(2, fs->RefCount()); |
175 EXPECT_EQ(2, node->RefCount()); | 175 EXPECT_EQ(2, node->RefCount()); |
176 EXPECT_EQ(3, raw_handle->RefCount()); | 176 EXPECT_EQ(3, raw_handle->RefCount()); |
177 | 177 |
| 178 |
178 handle.reset(); | 179 handle.reset(); |
179 EXPECT_EQ(2, raw_handle->RefCount()); | 180 EXPECT_EQ(2, raw_handle->RefCount()); |
180 | 181 |
181 proxy.AcquireHandle(5, &handle); | 182 proxy.AcquireHandle(5, &handle); |
182 EXPECT_EQ(3, raw_handle->RefCount()); | 183 EXPECT_EQ(3, raw_handle->RefCount()); |
183 EXPECT_EQ(raw_handle, handle.get()); | 184 EXPECT_EQ(raw_handle, handle.get()); |
184 } | 185 } |
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