44       if ((pid_ = fork()) == 0) {  in Fork()
48       ASSERT_NE(-1, pid_);  in Fork()
49       if (Attach(pid_)) {  in Fork()
52       kill(pid_, SIGKILL);  in Fork()
53       waitpid(pid_, nullptr, 0);  in Fork()
54       pid_ = -1;  in Fork()
63       if (WaitForPidStateAfterAttach(pid_, state_check_func)) {  in ForkAndWaitForPidState()
66       kill(pid_, SIGKILL);  in ForkAndWaitForPidState()
67       waitpid(pid_, nullptr, 0);  in ForkAndWaitForPidState()
68       pid_ = -1;  in ForkAndWaitForPidState()
74     if (pid_ == -1) {  in TearDown()
77     Detach(pid_);  in TearDown()
78     kill(pid_, SIGKILL);  in TearDown()
79     waitpid(pid_, nullptr, 0);  in TearDown()
82   pid_t pid_ = -1;  variable