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libuv/include/uv/win.h  view on Meta::CPAN

typedef HANDLE uv_sem_t;

typedef CRITICAL_SECTION uv_mutex_t;

/* This condition variable implementation is based on the SetEvent solution
 * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
 * We could not use the SignalObjectAndWait solution (section 3.4) because
 * it want the 2nd argument (type uv_mutex_t) of uv_cond_wait() and
 * uv_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs.
 */

typedef union {
  CONDITION_VARIABLE cond_var;
  struct {
    unsigned int waiters_count;
    CRITICAL_SECTION waiters_count_lock;
    HANDLE signal_event;
    HANDLE broadcast_event;
  } unused_; /* TODO: retained for ABI compatibility; remove me in v2.x. */
} uv_cond_t;

typedef union {
  struct {
    unsigned int num_readers_;
    CRITICAL_SECTION num_readers_lock_;
    HANDLE write_semaphore_;
  } state_;
  /* TODO: remove me in v2.x. */
  struct {
    SRWLOCK unused_;
  } unused1_;
  /* TODO: remove me in v2.x. */
  struct {
    uv_mutex_t unused1_;
    uv_mutex_t unused2_;
  } unused2_;
} uv_rwlock_t;

typedef struct {
  unsigned int n;
  unsigned int count;
  uv_mutex_t mutex;
  uv_sem_t turnstile1;
  uv_sem_t turnstile2;
} uv_barrier_t;

typedef struct {
  DWORD tls_index;
} uv_key_t;

#define UV_ONCE_INIT { 0, NULL }

typedef struct uv_once_s {
  unsigned char ran;
  HANDLE event;
} uv_once_t;

/* Platform-specific definitions for uv_spawn support. */
typedef unsigned char uv_uid_t;
typedef unsigned char uv_gid_t;

typedef struct uv__dirent_s {
  int d_type;
  char d_name[1];
} uv__dirent_t;

#define UV_DIR_PRIVATE_FIELDS \
  HANDLE dir_handle;          \
  WIN32_FIND_DATAW find_data; \
  BOOL need_find_call;

#define HAVE_DIRENT_TYPES
#define UV__DT_DIR     UV_DIRENT_DIR
#define UV__DT_FILE    UV_DIRENT_FILE
#define UV__DT_LINK    UV_DIRENT_LINK
#define UV__DT_FIFO    UV_DIRENT_FIFO
#define UV__DT_SOCKET  UV_DIRENT_SOCKET
#define UV__DT_CHAR    UV_DIRENT_CHAR
#define UV__DT_BLOCK   UV_DIRENT_BLOCK

/* Platform-specific definitions for uv_dlopen support. */
#define UV_DYNAMIC FAR WINAPI
typedef struct {
  HMODULE handle;
  char* errmsg;
} uv_lib_t;

#define UV_LOOP_PRIVATE_FIELDS                                                \
    /* The loop's I/O completion port */                                      \
  HANDLE iocp;                                                                \
  /* The current time according to the event loop. in msecs. */               \
  uint64_t time;                                                              \
  /* Tail of a single-linked circular queue of pending reqs. If the queue */  \
  /* is empty, tail_ is NULL. If there is only one item, */                   \
  /* tail_->next_req == tail_ */                                              \
  uv_req_t* pending_reqs_tail;                                                \
  /* Head of a single-linked list of closed handles */                        \
  uv_handle_t* endgame_handles;                                               \
  /* TODO(bnoordhuis) Stop heap-allocating |timer_heap| in libuv v2.x. */     \
  void* timer_heap;                                                           \
    /* Lists of active loop (prepare / check / idle) watchers */              \
  uv_prepare_t* prepare_handles;                                              \
  uv_check_t* check_handles;                                                  \
  uv_idle_t* idle_handles;                                                    \
  /* This pointer will refer to the prepare/check/idle handle whose */        \
  /* callback is scheduled to be called next. This is needed to allow */      \
  /* safe removal from one of the lists above while that list being */        \
  /* iterated over. */                                                        \
  uv_prepare_t* next_prepare_handle;                                          \
  uv_check_t* next_check_handle;                                              \
  uv_idle_t* next_idle_handle;                                                \
  /* This handle holds the peer sockets for the fast variant of uv_poll_t */  \
  SOCKET poll_peer_sockets[UV_MSAFD_PROVIDER_COUNT];                          \
  /* Counter to keep track of active tcp streams */                           \
  unsigned int active_tcp_streams;                                            \
  /* Counter to keep track of active udp streams */                           \
  unsigned int active_udp_streams;                                            \
  /* Counter to started timer */                                              \
  uint64_t timer_counter;                                                     \
  /* Threadpool */                                                            \