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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 #include "sandbox/linux/services/syscall_wrappers.h" | 5 #include "sandbox/linux/services/syscall_wrappers.h" |
6 | 6 |
7 #include <sys/syscall.h> | 7 #include <sys/syscall.h> |
8 #include <sys/types.h> | 8 #include <sys/types.h> |
9 #include <sys/wait.h> | 9 #include <sys/wait.h> |
10 #include <unistd.h> | 10 #include <unistd.h> |
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51 _exit(1); | 51 _exit(1); |
52 } | 52 } |
53 | 53 |
54 ASSERT_NE(-1, pid); | 54 ASSERT_NE(-1, pid); |
55 int status = 0; | 55 int status = 0; |
56 ASSERT_EQ(pid, HANDLE_EINTR(waitpid(pid, &status, 0))); | 56 ASSERT_EQ(pid, HANDLE_EINTR(waitpid(pid, &status, 0))); |
57 ASSERT_TRUE(WIFEXITED(status)); | 57 ASSERT_TRUE(WIFEXITED(status)); |
58 EXPECT_EQ(kSuccessExit, WEXITSTATUS(status)); | 58 EXPECT_EQ(kSuccessExit, WEXITSTATUS(status)); |
59 } | 59 } |
60 | 60 |
61 // Some libcs cache the result of the getpid syscall. This tests that | |
62 // the cache is updated after sys_clone. | |
63 TEST(SyscallWrappers, CloneUpdatesPidCache) { | |
64 // Warm up the PID cache. | |
65 ASSERT_EQ(sys_getpid(), getpid()); | |
66 | |
67 pid_t ctid = 0; | |
68 pid_t pid = | |
69 sys_clone(CLONE_CHILD_SETTID | SIGCHLD, nullptr, nullptr, &ctid, nullptr); | |
70 | |
71 const int kSuccessExit = 0; | |
72 if (0 == pid) { | |
73 // In child. The pid cache should have been updated. | |
74 ASSERT_EQ(ctid, getpid()); | |
jln (very slow on Chromium)
2014/12/15 23:31:35
Let's not use ASSERT in there, it's confusing. I w
rickyz (no longer on Chrome)
2014/12/16 00:35:09
I merged the tests, but actually, I'm curious as t
jln (very slow on Chromium)
2014/12/16 01:11:22
ASSERT is only guaranteed to return from the curre
| |
75 _exit(kSuccessExit); | |
76 } | |
77 | |
78 ASSERT_NE(-1, pid); | |
79 int status = 0; | |
80 ASSERT_EQ(pid, HANDLE_EINTR(waitpid(pid, &status, 0))); | |
81 ASSERT_TRUE(WIFEXITED(status)); | |
82 EXPECT_EQ(kSuccessExit, WEXITSTATUS(status)); | |
83 } | |
84 | |
61 } // namespace | 85 } // namespace |
62 | 86 |
63 } // namespace sandbox | 87 } // namespace sandbox |
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