ef85bdaffb
Newer versions of gcc complain about the definition of the zero element array. Squelch that warning by turning it into a one element array.
267 lines
9.2 KiB
C
267 lines
9.2 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef UV_UNIX_INTERNAL_H_
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#define UV_UNIX_INTERNAL_H_
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#include "uv-common.h"
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#include <assert.h>
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#include <stdlib.h> /* abort */
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#if defined(__STRICT_ANSI__)
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# define inline __inline
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#endif
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#if defined(__linux__)
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# include "linux-syscalls.h"
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#endif /* __linux__ */
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#if defined(__sun)
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# include <sys/port.h>
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# include <port.h>
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# define futimes(fd, tv) futimesat(fd, (void*)0, tv)
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#endif /* __sun */
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#if defined(__APPLE__) && !TARGET_OS_IPHONE
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# include <CoreServices/CoreServices.h>
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#endif
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#define STATIC_ASSERT(expr) \
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void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)])
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#define ACCESS_ONCE(type, var) \
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(*(volatile type*) &(var))
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#define UNREACHABLE() \
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do { \
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assert(0 && "unreachable code"); \
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abort(); \
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} \
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while (0)
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#define SAVE_ERRNO(block) \
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do { \
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int _saved_errno = errno; \
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do { block; } while (0); \
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errno = _saved_errno; \
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} \
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while (0)
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#if defined(__linux__)
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# define UV__POLLIN UV__EPOLLIN
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# define UV__POLLOUT UV__EPOLLOUT
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# define UV__POLLERR UV__EPOLLERR
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# define UV__POLLHUP UV__EPOLLHUP
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#endif
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#if defined(__sun)
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# define UV__POLLIN POLLIN
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# define UV__POLLOUT POLLOUT
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# define UV__POLLERR POLLERR
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# define UV__POLLHUP POLLHUP
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#endif
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#ifndef UV__POLLIN
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# define UV__POLLIN 1
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#endif
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#ifndef UV__POLLOUT
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# define UV__POLLOUT 2
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#endif
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#ifndef UV__POLLERR
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# define UV__POLLERR 4
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#endif
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#ifndef UV__POLLHUP
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# define UV__POLLHUP 8
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#endif
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/* handle flags */
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enum {
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UV_CLOSING = 0x01, /* uv_close() called but not finished. */
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UV_CLOSED = 0x02, /* close(2) finished. */
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UV_STREAM_READING = 0x04, /* uv_read_start() called. */
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UV_STREAM_SHUTTING = 0x08, /* uv_shutdown() called but not complete. */
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UV_STREAM_SHUT = 0x10, /* Write side closed. */
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UV_STREAM_READABLE = 0x20, /* The stream is readable */
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UV_STREAM_WRITABLE = 0x40, /* The stream is writable */
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UV_STREAM_BLOCKING = 0x80, /* Synchronous writes. */
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UV_TCP_NODELAY = 0x100, /* Disable Nagle. */
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UV_TCP_KEEPALIVE = 0x200, /* Turn on keep-alive. */
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UV_TCP_SINGLE_ACCEPT = 0x400 /* Only accept() when idle. */
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};
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/* core */
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int uv__nonblock(int fd, int set);
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int uv__cloexec(int fd, int set);
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int uv__socket(int domain, int type, int protocol);
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int uv__dup(int fd);
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void uv__make_close_pending(uv_handle_t* handle);
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void uv__io_init(uv__io_t* w, uv__io_cb cb, int fd);
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void uv__io_start(uv_loop_t* loop, uv__io_t* w, unsigned int events);
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void uv__io_stop(uv_loop_t* loop, uv__io_t* w, unsigned int events);
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void uv__io_close(uv_loop_t* loop, uv__io_t* w);
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void uv__io_feed(uv_loop_t* loop, uv__io_t* w);
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int uv__io_active(const uv__io_t* w, unsigned int events);
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void uv__io_poll(uv_loop_t* loop, int timeout); /* in milliseconds or -1 */
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/* async */
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void uv__async_send(struct uv__async* wa);
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void uv__async_init(struct uv__async* wa);
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int uv__async_start(uv_loop_t* loop, struct uv__async* wa, uv__async_cb cb);
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void uv__async_stop(uv_loop_t* loop, struct uv__async* wa);
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/* loop */
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int uv__loop_init(uv_loop_t* loop, int default_loop);
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void uv__loop_delete(uv_loop_t* loop);
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void uv__run_idle(uv_loop_t* loop);
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void uv__run_check(uv_loop_t* loop);
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void uv__run_prepare(uv_loop_t* loop);
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/* error */
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uv_err_code uv_translate_sys_error(int sys_errno);
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void uv_fatal_error(const int errorno, const char* syscall);
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/* stream */
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void uv__stream_init(uv_loop_t* loop, uv_stream_t* stream,
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uv_handle_type type);
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int uv__stream_open(uv_stream_t*, int fd, int flags);
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void uv__stream_destroy(uv_stream_t* stream);
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#if defined(__APPLE__)
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int uv__stream_try_select(uv_stream_t* stream, int* fd);
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#endif /* defined(__APPLE__) */
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void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events);
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int uv__accept(int sockfd);
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/* tcp */
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int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb);
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int uv__tcp_nodelay(int fd, int on);
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int uv__tcp_keepalive(int fd, int on, unsigned int delay);
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/* pipe */
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int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
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/* timer */
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void uv__run_timers(uv_loop_t* loop);
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int uv__next_timeout(const uv_loop_t* loop);
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/* signal */
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void uv__signal_close(uv_signal_t* handle);
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void uv__signal_global_once_init(void);
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void uv__signal_loop_cleanup(uv_loop_t* loop);
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/* thread pool */
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void uv__work_submit(uv_loop_t* loop,
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struct uv__work *w,
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void (*work)(struct uv__work *w),
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void (*done)(struct uv__work *w, int status));
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void uv__work_done(uv_async_t* handle, int status);
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/* platform specific */
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uint64_t uv__hrtime(void);
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int uv__kqueue_init(uv_loop_t* loop);
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int uv__platform_loop_init(uv_loop_t* loop, int default_loop);
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void uv__platform_loop_delete(uv_loop_t* loop);
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/* various */
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void uv__async_close(uv_async_t* handle);
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void uv__check_close(uv_check_t* handle);
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void uv__fs_event_close(uv_fs_event_t* handle);
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void uv__idle_close(uv_idle_t* handle);
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void uv__pipe_close(uv_pipe_t* handle);
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void uv__poll_close(uv_poll_t* handle);
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void uv__prepare_close(uv_prepare_t* handle);
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void uv__process_close(uv_process_t* handle);
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void uv__stream_close(uv_stream_t* handle);
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void uv__tcp_close(uv_tcp_t* handle);
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void uv__timer_close(uv_timer_t* handle);
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void uv__udp_close(uv_udp_t* handle);
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void uv__udp_finish_close(uv_udp_t* handle);
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#if defined(__APPLE__)
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int uv___stream_fd(uv_stream_t* handle);
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#define uv__stream_fd(handle) (uv___stream_fd((uv_stream_t*) (handle)))
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#else
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#define uv__stream_fd(handle) ((handle)->io_watcher.fd)
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#endif /* defined(__APPLE__) */
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#ifdef UV__O_NONBLOCK
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# define UV__F_NONBLOCK UV__O_NONBLOCK
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#else
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# define UV__F_NONBLOCK 1
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#endif
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int uv__make_socketpair(int fds[2], int flags);
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int uv__make_pipe(int fds[2], int flags);
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#if defined(__APPLE__)
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typedef void (*cf_loop_signal_cb)(void*);
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void uv__cf_loop_signal(uv_loop_t* loop, cf_loop_signal_cb cb, void* arg);
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int uv__fsevents_init(uv_fs_event_t* handle);
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int uv__fsevents_close(uv_fs_event_t* handle);
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/* OSX < 10.7 has no file events, polyfill them */
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#ifndef MAC_OS_X_VERSION_10_7
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static const int kFSEventStreamCreateFlagFileEvents = 0x00000010;
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static const int kFSEventStreamEventFlagItemCreated = 0x00000100;
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static const int kFSEventStreamEventFlagItemRemoved = 0x00000200;
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static const int kFSEventStreamEventFlagItemInodeMetaMod = 0x00000400;
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static const int kFSEventStreamEventFlagItemRenamed = 0x00000800;
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static const int kFSEventStreamEventFlagItemModified = 0x00001000;
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static const int kFSEventStreamEventFlagItemFinderInfoMod = 0x00002000;
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static const int kFSEventStreamEventFlagItemChangeOwner = 0x00004000;
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static const int kFSEventStreamEventFlagItemXattrMod = 0x00008000;
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static const int kFSEventStreamEventFlagItemIsFile = 0x00010000;
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static const int kFSEventStreamEventFlagItemIsDir = 0x00020000;
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static const int kFSEventStreamEventFlagItemIsSymlink = 0x00040000;
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#endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070 */
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#endif /* defined(__APPLE__) */
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__attribute__((unused))
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static void uv__req_init(uv_loop_t* loop, uv_req_t* req, uv_req_type type) {
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req->type = type;
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uv__req_register(loop, req);
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}
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#define uv__req_init(loop, req, type) \
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uv__req_init((loop), (uv_req_t*)(req), (type))
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__attribute__((unused))
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static void uv__update_time(uv_loop_t* loop) {
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loop->time = uv__hrtime() / 1000000;
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}
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#ifdef HAVE_DTRACE
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#include "uv-dtrace.h"
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#else
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#define UV_TICK_START(arg0, arg1)
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#define UV_TICK_STOP(arg0, arg1)
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#endif
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#endif /* UV_UNIX_INTERNAL_H_ */
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