| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "sandbox/linux/services/syscall_wrappers.h" |
| |
| #include <sys/syscall.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <unistd.h> |
| |
| #include "base/logging.h" |
| #include "base/posix/eintr_wrapper.h" |
| #include "base/third_party/valgrind/valgrind.h" |
| #include "build/build_config.h" |
| #include "sandbox/linux/tests/test_utils.h" |
| #include "sandbox/linux/tests/unit_tests.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace sandbox { |
| |
| namespace { |
| |
| TEST(SyscallWrappers, BasicSyscalls) { |
| EXPECT_EQ(getpid(), sys_getpid()); |
| } |
| |
| TEST(SyscallWrappers, CloneBasic) { |
| pid_t child = sys_clone(SIGCHLD); |
| TestUtils::HandlePostForkReturn(child); |
| EXPECT_LT(0, child); |
| } |
| |
| TEST(SyscallWrappers, CloneParentSettid) { |
| pid_t ptid = 0; |
| pid_t child = sys_clone(CLONE_PARENT_SETTID | SIGCHLD, nullptr, &ptid, |
| nullptr, nullptr); |
| TestUtils::HandlePostForkReturn(child); |
| EXPECT_LT(0, child); |
| EXPECT_EQ(child, ptid); |
| } |
| |
| TEST(SyscallWrappers, CloneChildSettid) { |
| pid_t ctid = 0; |
| pid_t pid = |
| sys_clone(CLONE_CHILD_SETTID | SIGCHLD, nullptr, nullptr, &ctid, nullptr); |
| |
| const int kSuccessExit = 0; |
| if (0 == pid) { |
| // In child. |
| if (sys_getpid() == ctid) |
| _exit(kSuccessExit); |
| _exit(1); |
| } |
| |
| ASSERT_NE(-1, pid); |
| int status = 0; |
| ASSERT_EQ(pid, HANDLE_EINTR(waitpid(pid, &status, 0))); |
| ASSERT_TRUE(WIFEXITED(status)); |
| EXPECT_EQ(kSuccessExit, WEXITSTATUS(status)); |
| } |
| |
| } // namespace |
| |
| } // namespace sandbox |