EXPECT_PID_ALIVE
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(firstborn);
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(grandchild);
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(pid_);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(pid);
EXPECT_PID_ALIVE(child);
EXPECT_PID_ALIVE(grandchild);
EXPECT_PID_ALIVE(grandchild);