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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef UV_UNIX_INTERNAL_H_
#define UV_UNIX_INTERNAL_H_
#include "uv-common.h"
#include <assert.h>
#include <stdlib.h> /* abort */
#if defined(__STRICT_ANSI__)
# define inline __inline
#endif
#if defined(__linux__)
# include "linux/syscalls.h"
#endif /* __linux__ */
#if defined(__sun)
# include <sys/port.h>
# include <port.h>
# define futimes(fd, tv) futimesat(fd, (void*)0, tv)
#endif /* __sun */
#if defined(__APPLE__) && !TARGET_OS_IPHONE
# include <CoreServices/CoreServices.h>
#endif
#define UNREACHABLE() \
do { \
assert(0 && "unreachable code"); \
abort(); \
} \
while (0)
#define SAVE_ERRNO(block) \
do { \
int _saved_errno = errno; \
do { block; } while (0); \
errno = _saved_errno; \
} \
while (0)
#if defined(__linux__)
# define UV__POLLIN UV__EPOLLIN
# define UV__POLLOUT UV__EPOLLOUT
# define UV__POLLERR UV__EPOLLERR
# define UV__POLLHUP UV__EPOLLHUP
#endif
#if defined(__sun)
# define UV__POLLIN POLLIN
# define UV__POLLOUT POLLOUT
# define UV__POLLERR POLLERR
# define UV__POLLHUP POLLHUP
#endif
#ifndef UV__POLLIN
# define UV__POLLIN 1
#endif
#ifndef UV__POLLOUT
# define UV__POLLOUT 2
#endif
#ifndef UV__POLLERR
# define UV__POLLERR 4
#endif
#ifndef UV__POLLHUP
# define UV__POLLHUP 8
#endif
/* handle flags */
enum {
UV_CLOSING = 0x01, /* uv_close() called but not finished. */
UV_CLOSED = 0x02, /* close(2) finished. */
UV_STREAM_READING = 0x04, /* uv_read_start() called. */
UV_STREAM_SHUTTING = 0x08, /* uv_shutdown() called but not complete. */
UV_STREAM_SHUT = 0x10, /* Write side closed. */
UV_STREAM_READABLE = 0x20, /* The stream is readable */
UV_STREAM_WRITABLE = 0x40, /* The stream is writable */
UV_STREAM_BLOCKING = 0x80, /* Synchronous writes. */
UV_TCP_NODELAY = 0x100, /* Disable Nagle. */
UV_TCP_KEEPALIVE = 0x200, /* Turn on keep-alive. */
UV_TCP_SINGLE_ACCEPT = 0x400, /* Only accept() when idle. */
UV_HANDLE_IPV6 = 0x01000000 /* Indicate socket is IPv6. */
};
/* core */
void uv__handle_init(uv_loop_t* loop, uv_handle_t* handle, uv_handle_type type);
int uv__nonblock(int fd, int set);
int uv__cloexec(int fd, int set);
int uv__socket(int domain, int type, int protocol);
int uv__dup(int fd);
int uv_async_stop(uv_async_t* handle);
void uv__make_close_pending(uv_handle_t* handle);
void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd);
void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events);
void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events);
void uv__io_close(uv_loop_t* loop, uv__io_t* w);
void uv__io_feed(uv_loop_t* loop, uv__io_t* w);
int uv__io_active(const uv__io_t* w, unsigned int events);
void uv__io_poll(uv_loop_t* loop, int timeout); /* in milliseconds or -1 */
/* loop */
int uv__loop_init(uv_loop_t* loop, int default_loop);
void uv__loop_delete(uv_loop_t* loop);
void uv__run_idle(uv_loop_t* loop);
void uv__run_check(uv_loop_t* loop);
void uv__run_prepare(uv_loop_t* loop);
/* error */
uv_err_code uv_translate_sys_error(int sys_errno);
void uv_fatal_error(const int errorno, const char* syscall);
/* stream */
void uv__stream_init(uv_loop_t* loop, uv_stream_t* stream,
uv_handle_type type);
int uv__stream_open(uv_stream_t*, int fd, int flags);
void uv__stream_destroy(uv_stream_t* stream);
void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events);
int uv__accept(int sockfd);
/* tcp */
int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb);
int uv__tcp_nodelay(int fd, int on);
int uv__tcp_keepalive(int fd, int on, unsigned int delay);
/* pipe */
int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
/* timer */
void uv__run_timers(uv_loop_t* loop);
int uv__next_timeout(const uv_loop_t* loop);
/* signal */
void uv__signal_close(uv_signal_t* handle);
void uv__signal_global_once_init(void);
void uv__signal_loop_cleanup(uv_loop_t* loop);
/* thread pool */
void uv__work_submit(uv_loop_t* loop,
struct uv__work *w,
void (*work)(struct uv__work *w),
void (*done)(struct uv__work *w, int status));
void uv__work_done(uv_async_t* handle, int status);
/* platform specific */
uint64_t uv__hrtime(void);
int uv__kqueue_init(uv_loop_t* loop);
int uv__platform_loop_init(uv_loop_t* loop, int default_loop);
void uv__platform_loop_delete(uv_loop_t* loop);
/* various */
void uv__async_close(uv_async_t* handle);
void uv__check_close(uv_check_t* handle);
void uv__fs_event_close(uv_fs_event_t* handle);
void uv__idle_close(uv_idle_t* handle);
void uv__pipe_close(uv_pipe_t* handle);
void uv__poll_close(uv_poll_t* handle);
void uv__prepare_close(uv_prepare_t* handle);
void uv__process_close(uv_process_t* handle);
void uv__stream_close(uv_stream_t* handle);
void uv__tcp_close(uv_tcp_t* handle);
void uv__timer_close(uv_timer_t* handle);
void uv__udp_close(uv_udp_t* handle);
void uv__udp_finish_close(uv_udp_t* handle);
#if defined(__APPLE__)
int uv___stream_fd(uv_stream_t* handle);
#define uv__stream_fd(handle) (uv___stream_fd((uv_stream_t*) (handle)))
#else
#define uv__stream_fd(handle) ((handle)->io_watcher.fd)
#endif /* defined(__APPLE__) */
#ifdef UV__O_NONBLOCK
# define UV__F_NONBLOCK UV__O_NONBLOCK
#else
# define UV__F_NONBLOCK 1
#endif
int uv__make_socketpair(int fds[2], int flags);
int uv__make_pipe(int fds[2], int flags);
#if defined(__APPLE__)
typedef void (*cf_loop_signal_cb)(void*);
void uv__cf_loop_signal(uv_loop_t* loop, cf_loop_signal_cb cb, void* arg);
int uv__fsevents_init(uv_fs_event_t* handle);
int uv__fsevents_close(uv_fs_event_t* handle);
/* OSX < 10.7 has no file events, polyfill them */
#ifndef MAC_OS_X_VERSION_10_7
static const int kFSEventStreamCreateFlagFileEvents = 0x00000010;
static const int kFSEventStreamEventFlagItemCreated = 0x00000100;
static const int kFSEventStreamEventFlagItemRemoved = 0x00000200;
static const int kFSEventStreamEventFlagItemInodeMetaMod = 0x00000400;
static const int kFSEventStreamEventFlagItemRenamed = 0x00000800;
static const int kFSEventStreamEventFlagItemModified = 0x00001000;
static const int kFSEventStreamEventFlagItemFinderInfoMod = 0x00002000;
static const int kFSEventStreamEventFlagItemChangeOwner = 0x00004000;
static const int kFSEventStreamEventFlagItemXattrMod = 0x00008000;
static const int kFSEventStreamEventFlagItemIsFile = 0x00010000;
static const int kFSEventStreamEventFlagItemIsDir = 0x00020000;
static const int kFSEventStreamEventFlagItemIsSymlink = 0x00040000;
#endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 */
#endif /* defined(__APPLE__) */
__attribute__((unused))
static void uv__req_init(uv_loop_t* loop, uv_req_t* req, uv_req_type type) {
req->type = type;
uv__req_register(loop, req);
}
#define uv__req_init(loop, req, type) \
uv__req_init((loop), (uv_req_t*)(req), (type))
__attribute__((unused))
static void uv__update_time(uv_loop_t* loop) {
loop->time = uv__hrtime() / 1000000;
}
#endif /* UV_UNIX_INTERNAL_H_ */
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