Cacher is the code snippet organizer for pro developers

// source path : node/deps/uv/src/uv-common.h

#define uv__handle_start(h)                                                   \
  do {                                                                        \
    assert(((h)->flags & UV__HANDLE_CLOSING) == 0);                           \
    if (((h)->flags & UV__HANDLE_ACTIVE) != 0) break;                         \
    (h)->flags |= UV__HANDLE_ACTIVE;                                          \
    if (((h)->flags & UV__HANDLE_REF) != 0) uv__active_handle_add(h);         \
  }                                                                           \
  while (0)