Merge branch 'upstream-libuv' into import-libuv

* upstream-libuv:
  libuv 2016-08-30 (897738b1)

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_ */