deps: upgrade to libuv 1.20.3

Backport-PR-URL: #24103
Refs: #19377
PR-URL: #20585
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: cjihrig

deps/uv/AUTHORS

@@ -337,3 +337,4 @@ Thomas Versteeg <thomasversteeg@gmx.com>
 zzzjim <zzzjim@users.noreply.github.com>
 Alex Arslan <ararslan@comcast.net>
 Kyle Farnung <kfarnung@microsoft.com>
+ssrlive <30760636+ssrlive@users.noreply.github.com>

deps/uv/ChangeLog

@@ -1,3 +1,22 @@
+2018.05.08, Version 1.20.3 (Stable), 8cfd67e59195251dff793ee47c185c9d6a8f3818
+
+Changes since version 1.20.2:
+
+* win: add Windows XP support to uv_if_indextoname() (ssrlive)
+
+* win: fix `'floor' undefined` compiler warning (ssrlive)
+
+* win, pipe: stop read for overlapped pipe (Bartosz Sosnowski)
+
+* build: fix utf-8 name of copyright holder (Jérémy Lal)
+
+* zos: initialize pollfd revents (jBarz)
+
+* zos,doc: add system V message queue note (jBarz)
+
+* linux: don't use uv__nonblock_ioctl() on sparc (Ben Noordhuis)
+
+
 2018.04.23, Version 1.20.2 (Stable), c51fd3f66bbb386a1efdeba6812789f35a372d1e
 
 Changes since version 1.20.1:

deps/uv/README.md

@@ -322,6 +322,13 @@ describes the package in more detail.
 
 AIX support for filesystem events is not compiled when building with `gyp`.
 
+### z/OS Notes
+
+z/OS creates System V semaphores and message queues. These persist on the system
+after the process terminates unless the event loop is closed.
+
+Use the `ipcrm` command to manually clear up System V resources.
+
 ## Patches
 
 See the [guidelines for contributing][].

deps/uv/configure.ac

@@ -13,7 +13,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_PREREQ(2.57)
-AC_INIT([libuv], [1.20.2], [https://github.com/libuv/libuv/issues])
+AC_INIT([libuv], [1.20.3], [https://github.com/libuv/libuv/issues])
 AC_CONFIG_MACRO_DIR([m4])
 m4_include([m4/libuv-extra-automake-flags.m4])
 m4_include([m4/as_case.m4])

deps/uv/include/uv-version.h

@@ -32,7 +32,7 @@
 
 #define UV_VERSION_MAJOR 1
 #define UV_VERSION_MINOR 20
-#define UV_VERSION_PATCH 2
+#define UV_VERSION_PATCH 3
 #define UV_VERSION_IS_RELEASE 1
 #define UV_VERSION_SUFFIX ""
 

deps/uv/m4/libuv-check-flags.m4

@@ -1,5 +1,5 @@
 dnl Macros to check the presence of generic (non-typed) symbols.
-dnl Copyright (c) 2006-2008 Diego Pettenà <flameeyes gmail com>
+dnl Copyright (c) 2006-2008 Diego Pettenò <flameeyes gmail com>
 dnl Copyright (c) 2006-2008 xine project
 dnl
 dnl This program is free software; you can redistribute it and/or modify
@@ -316,4 +316,4 @@ AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
      AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
        [Define the highest alignment supported])
   fi
-])
+])

deps/uv/src/unix/internal.h

@@ -185,6 +185,18 @@ struct uv__stream_queued_fds_s {
 #define uv__nonblock uv__nonblock_fcntl
 #endif
 
+/* On Linux, uv__nonblock_fcntl() and uv__nonblock_ioctl() do not commute
+ * when O_NDELAY is not equal to O_NONBLOCK.  Case in point: linux/sparc32
+ * and linux/sparc64, where O_NDELAY is O_NONBLOCK + another bit.
+ *
+ * Libuv uses uv__nonblock_fcntl() directly sometimes so ensure that it
+ * commutes with uv__nonblock().
+ */
+#if defined(__linux__) && O_NDELAY != O_NONBLOCK
+#undef uv__nonblock
+#define uv__nonblock uv__nonblock_fcntl
+#endif
+
 /* core */
 int uv__cloexec_ioctl(int fd, int set);
 int uv__cloexec_fcntl(int fd, int set);

deps/uv/src/unix/os390-syscalls.c

@@ -215,6 +215,7 @@ uv__os390_epoll* epoll_create1(int flags) {
     maybe_resize(lst, 1);
     lst->items[lst->size - 1].fd = lst->msg_queue;
     lst->items[lst->size - 1].events = POLLIN;
+    lst->items[lst->size - 1].revents = 0;
     uv_once(&once, epoll_init);
     uv_mutex_lock(&global_epoll_lock);
     QUEUE_INSERT_TAIL(&global_epoll_queue, &lst->member);
@@ -252,6 +253,7 @@ int epoll_ctl(uv__os390_epoll* lst,
     }
     lst->items[fd].fd = fd;
     lst->items[fd].events = event->events;
+    lst->items[fd].revents = 0;
   } else if (op == EPOLL_CTL_MOD) {
     if (fd >= lst->size || lst->items[fd].fd == -1) {
       uv_mutex_unlock(&global_epoll_lock);

deps/uv/src/win/getaddrinfo.c

@@ -392,15 +392,21 @@ int uv_if_indextoname(unsigned int ifindex, char* buffer, size_t* size) {
   DWORD bufsize;
   int r;
 
+  uv__once_init();
+
   if (buffer == NULL || size == NULL || *size == 0)
     return UV_EINVAL;
 
-  r = ConvertInterfaceIndexToLuid(ifindex, &luid);
+  if (pConvertInterfaceIndexToLuid == NULL)
+    return UV_ENOSYS;
+  r = pConvertInterfaceIndexToLuid(ifindex, &luid);
 
   if (r != 0)
     return uv_translate_sys_error(r);
 
-  r = ConvertInterfaceLuidToNameW(&luid, wname, ARRAY_SIZE(wname));
+  if (pConvertInterfaceLuidToNameW == NULL)
+    return UV_ENOSYS;
+  r = pConvertInterfaceLuidToNameW(&luid, wname, ARRAY_SIZE(wname));
 
   if (r != 0)
     return uv_translate_sys_error(r);

deps/uv/src/win/pipe.c

@@ -735,6 +735,13 @@ void uv__pipe_unpause_read(uv_pipe_t* handle) {
 
 
 void uv__pipe_stop_read(uv_pipe_t* handle) {
+  if (pCancelIoEx &&
+      !(handle->flags & UV_HANDLE_NON_OVERLAPPED_PIPE) &&
+      !(handle->flags & UV_HANDLE_EMULATE_IOCP) &&
+      handle->flags & UV_HANDLE_READING &&
+      handle->read_req.type == UV_READ) {
+    pCancelIoEx(handle->handle, &handle->read_req.u.io.overlapped);
+  }
   handle->flags &= ~UV_HANDLE_READING;
   uv__pipe_pause_read((uv_pipe_t*)handle);
   uv__pipe_unpause_read((uv_pipe_t*)handle);