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Diffstat (limited to 'Utilities/cmlibuv/src/uv-common.h')
| -rw-r--r-- | Utilities/cmlibuv/src/uv-common.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/uv-common.h b/Utilities/cmlibuv/src/uv-common.h new file mode 100644 index 0000000..27902fd --- /dev/null +++ b/Utilities/cmlibuv/src/uv-common.h @@ -0,0 +1,227 @@ +/* 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. + */ + +/* + * This file is private to libuv. It provides common functionality to both + * Windows and Unix backends. + */ + +#ifndef UV_COMMON_H_ +#define UV_COMMON_H_ + +#include <assert.h> +#include <stdarg.h> +#include <stddef.h> + +#if defined(_MSC_VER) && _MSC_VER < 1600 +# include "stdint-msvc2008.h" +#else +# include <stdint.h> +#endif + +#include "uv.h" +#include "tree.h" +#include "queue.h" + +#if !defined(snprintf) && defined(_MSC_VER) && _MSC_VER < 1900 +extern int snprintf(char*, size_t, const char*, ...); +#endif + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + +#define container_of(ptr, type, member) \ + ((type *) ((char *) (ptr) - offsetof(type, member))) + +#define STATIC_ASSERT(expr) \ + void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)]) + +#ifndef _WIN32 +enum { + UV__HANDLE_INTERNAL = 0x8000, + UV__HANDLE_ACTIVE = 0x4000, + UV__HANDLE_REF = 0x2000, + UV__HANDLE_CLOSING = 0 /* no-op on unix */ +}; +#else +# define UV__HANDLE_INTERNAL 0x80 +# define UV__HANDLE_ACTIVE 0x40 +# define UV__HANDLE_REF 0x20 +# define UV__HANDLE_CLOSING 0x01 +#endif + +int uv__loop_configure(uv_loop_t* loop, uv_loop_option option, va_list ap); + +void uv__loop_close(uv_loop_t* loop); + +int uv__tcp_bind(uv_tcp_t* tcp, + const struct sockaddr* addr, + unsigned int addrlen, + unsigned int flags); + +int uv__tcp_connect(uv_connect_t* req, + uv_tcp_t* handle, + const struct sockaddr* addr, + unsigned int addrlen, + uv_connect_cb cb); + +int uv__udp_bind(uv_udp_t* handle, + const struct sockaddr* addr, + unsigned int addrlen, + unsigned int flags); + +int uv__udp_send(uv_udp_send_t* req, + uv_udp_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + const struct sockaddr* addr, + unsigned int addrlen, + uv_udp_send_cb send_cb); + +int uv__udp_try_send(uv_udp_t* handle, + const uv_buf_t bufs[], + unsigned int nbufs, + const struct sockaddr* addr, + unsigned int addrlen); + +int uv__udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloccb, + uv_udp_recv_cb recv_cb); + +int uv__udp_recv_stop(uv_udp_t* handle); + +void uv__fs_poll_close(uv_fs_poll_t* handle); + +int uv__getaddrinfo_translate_error(int sys_err); /* EAI_* error. */ + +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); + +size_t uv__count_bufs(const uv_buf_t bufs[], unsigned int nbufs); + +int uv__socket_sockopt(uv_handle_t* handle, int optname, int* value); + +void uv__fs_scandir_cleanup(uv_fs_t* req); + +#define uv__has_active_reqs(loop) \ + (QUEUE_EMPTY(&(loop)->active_reqs) == 0) + +#define uv__req_register(loop, req) \ + do { \ + QUEUE_INSERT_TAIL(&(loop)->active_reqs, &(req)->active_queue); \ + } \ + while (0) + +#define uv__req_unregister(loop, req) \ + do { \ + assert(uv__has_active_reqs(loop)); \ + QUEUE_REMOVE(&(req)->active_queue); \ + } \ + while (0) + +#define uv__has_active_handles(loop) \ + ((loop)->active_handles > 0) + +#define uv__active_handle_add(h) \ + do { \ + (h)->loop->active_handles++; \ + } \ + while (0) + +#define uv__active_handle_rm(h) \ + do { \ + (h)->loop->active_handles--; \ + } \ + while (0) + +#define uv__is_active(h) \ + (((h)->flags & UV__HANDLE_ACTIVE) != 0) + +#define uv__is_closing(h) \ + (((h)->flags & (UV_CLOSING | UV_CLOSED)) != 0) + +#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) + +#define uv__handle_stop(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_rm(h); \ + } \ + while (0) + +#define uv__handle_ref(h) \ + do { \ + if (((h)->flags & UV__HANDLE_REF) != 0) break; \ + (h)->flags |= UV__HANDLE_REF; \ + if (((h)->flags & UV__HANDLE_CLOSING) != 0) break; \ + if (((h)->flags & UV__HANDLE_ACTIVE) != 0) uv__active_handle_add(h); \ + } \ + while (0) + +#define uv__handle_unref(h) \ + do { \ + if (((h)->flags & UV__HANDLE_REF) == 0) break; \ + (h)->flags &= ~UV__HANDLE_REF; \ + if (((h)->flags & UV__HANDLE_CLOSING) != 0) break; \ + if (((h)->flags & UV__HANDLE_ACTIVE) != 0) uv__active_handle_rm(h); \ + } \ + while (0) + +#define uv__has_ref(h) \ + (((h)->flags & UV__HANDLE_REF) != 0) + +#if defined(_WIN32) +# define uv__handle_platform_init(h) ((h)->u.fd = -1) +#else +# define uv__handle_platform_init(h) ((h)->next_closing = NULL) +#endif + +#define uv__handle_init(loop_, h, type_) \ + do { \ + (h)->loop = (loop_); \ + (h)->type = (type_); \ + (h)->flags = UV__HANDLE_REF; /* Ref the loop when active. */ \ + QUEUE_INSERT_TAIL(&(loop_)->handle_queue, &(h)->handle_queue); \ + uv__handle_platform_init(h); \ + } \ + while (0) + + +/* Allocator prototypes */ +void *uv__calloc(size_t count, size_t size); +char *uv__strdup(const char* s); +char *uv__strndup(const char* s, size_t n); +void* uv__malloc(size_t size); +void uv__free(void* ptr); +void* uv__realloc(void* ptr, size_t size); + +#endif /* UV_COMMON_H_ */ |