deps: upgrade to libuv 1.20.2

Backport-PR-URL: #24103
PR-URL: #20129
Fixes: #20112
Fixes: #19903
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

Author: cjihrig

Diff for: deps/uv/AUTHORS

@@ -332,3 +332,8 @@ Ryuichi KAWAMATA <ryuichi.kawamata@dena.jp>
 Joyee Cheung <joyeec9h3@gmail.com>
 Michael Kilburn <crusader.mike@gmail.com>
 Ruslan Bekenev <furyinbox@gmail.com>
+Bob Burger <rgburger@beckman.com>
+Thomas Versteeg <thomasversteeg@gmx.com>
+zzzjim <zzzjim@users.noreply.github.com>
+Alex Arslan <ararslan@comcast.net>
+Kyle Farnung <kfarnung@microsoft.com>

Diff for: deps/uv/ChangeLog

@@ -1,3 +1,39 @@
+2018.04.23, Version 1.20.2 (Stable), c51fd3f66bbb386a1efdeba6812789f35a372d1e
+
+Changes since version 1.20.1:
+
+* zos: use custom semaphore (jBarz)
+
+* win: fix registry API error handling (Kyle Farnung)
+
+* build: add support for 64-bit AIX (Richard Lau)
+
+* aix: guard STATIC_ASSERT for glibc work around (Richard Lau)
+
+
+2018.04.19, Version 1.20.1 (Stable), 36ac2fc8edfd5ff3e9be529be1d4a3f0d5364e94
+
+Changes since version 1.20.0:
+
+* doc,fs: improve documentation (Bob Burger)
+
+* win: return a floored double from uv_uptime() (Refael Ackermann)
+
+* doc: clarify platform specific pipe naming (Thomas Versteeg)
+
+* unix: fix uv_pipe_chmod() on macOS (zzzjim)
+
+* unix: work around glibc semaphore race condition (Anna Henningsen)
+
+* tcp,openbsd: disable Unix TCP check for IPV6_ONLY (Alex Arslan)
+
+* test,openbsd: use RETURN_SKIP in UDP IPv6 tests (Alex Arslan)
+
+* test,openbsd: fix multicast test (Alex Arslan)
+
+* Revert "win, fs: use FILE_WRITE_ATTRIBUTES when opening files" (cjihrig)
+
+
 2018.04.03, Version 1.20.0 (Stable), 0012178ee2b04d9e4a2c66c27cf8891ad8325ceb
 
 Changes since version 1.19.2:

Diff for: deps/uv/common.gypi

@@ -134,7 +134,7 @@
           }]
         ]
       }],
-      ['OS in "freebsd dragonflybsd linux openbsd solaris android"', {
+      ['OS in "freebsd dragonflybsd linux openbsd solaris android aix"', {
         'cflags': [ '-Wall' ],
         'cflags_cc': [ '-fno-rtti', '-fno-exceptions' ],
         'target_conditions': [
@@ -162,6 +162,10 @@
             'cflags': [ '-pthread' ],
             'ldflags': [ '-pthread' ],
           }],
+          [ 'OS=="aix" and target_arch=="ppc64"', {
+            'cflags': [ '-maix64' ],
+            'ldflags': [ '-maix64' ],
+          }],
         ],
       }],
       ['OS=="mac"', {

Diff for: 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], [1.20.0], [https://github.com/libuv/libuv/issues])
+AC_INIT([libuv], [1.20.2], [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])

Diff for: deps/uv/docs/src/fs.rst

@@ -148,8 +148,8 @@ Public members
 
 .. c:member:: void* uv_fs_t.ptr
 
-    Stores the result of :c:func:`uv_fs_readlink` and serves as an alias to
-    `statbuf`.
+    Stores the result of :c:func:`uv_fs_readlink` and
+    :c:func:`uv_fs_realpath` and serves as an alias to `statbuf`.
 
 .. seealso:: The :c:type:`uv_req_t` members also apply.
 
@@ -311,10 +311,12 @@ API
 .. c:function:: int uv_fs_readlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
 
     Equivalent to :man:`readlink(2)`.
+    The resulting string is stored in `req->ptr`.
 
 .. c:function:: int uv_fs_realpath(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
 
     Equivalent to :man:`realpath(3)` on Unix. Windows uses `GetFinalPathNameByHandle <https://msdn.microsoft.com/en-us/library/windows/desktop/aa364962(v=vs.85).aspx>`_.
+    The resulting string is stored in `req->ptr`.
 
     .. warning::
         This function has certain platform-specific caveats that were discovered when used in Node.

Diff for: deps/uv/include/uv-os390.h

@@ -22,7 +22,7 @@
 #ifndef UV_MVS_H
 #define UV_MVS_H
 
-#define UV_PLATFORM_SEM_T int
+#define UV_PLATFORM_SEM_T long
 
 #define UV_PLATFORM_LOOP_FIELDS                                               \
   void* ep;                                                                   \

Diff for: deps/uv/include/uv-version.h

@@ -32,7 +32,7 @@
 
 #define UV_VERSION_MAJOR 1
 #define UV_VERSION_MINOR 20
-#define UV_VERSION_PATCH 0
+#define UV_VERSION_PATCH 2
 #define UV_VERSION_IS_RELEASE 1
 #define UV_VERSION_SUFFIX ""
 

Diff for: deps/uv/src/unix/pipe.c

@@ -319,21 +319,6 @@ int uv_pipe_chmod(uv_pipe_t* handle, int mode) {
       mode != (UV_WRITABLE | UV_READABLE))
     return UV_EINVAL;
 
-  if (fstat(uv__stream_fd(handle), &pipe_stat) == -1)
-    return UV__ERR(errno);
-
-  desired_mode = 0;
-  if (mode & UV_READABLE)
-    desired_mode |= S_IRUSR | S_IRGRP | S_IROTH;
-  if (mode & UV_WRITABLE)
-    desired_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
-
-  /* Exit early if pipe already has desired mode. */
-  if ((pipe_stat.st_mode & desired_mode) == desired_mode)
-    return 0;
-
-  pipe_stat.st_mode |= desired_mode;
-
   /* Unfortunately fchmod does not work on all platforms, we will use chmod. */
   name_len = 0;
   r = uv_pipe_getsockname(handle, NULL, &name_len);
@@ -350,6 +335,26 @@ int uv_pipe_chmod(uv_pipe_t* handle, int mode) {
     return r;
   }
 
+  /* stat must be used as fstat has a bug on Darwin */
+  if (stat(name_buffer, &pipe_stat) == -1) {
+    uv__free(name_buffer);
+    return -errno;
+  }
+
+  desired_mode = 0;
+  if (mode & UV_READABLE)
+    desired_mode |= S_IRUSR | S_IRGRP | S_IROTH;
+  if (mode & UV_WRITABLE)
+    desired_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
+
+  /* Exit early if pipe already has desired mode. */
+  if ((pipe_stat.st_mode & desired_mode) == desired_mode) {
+    uv__free(name_buffer);
+    return 0;
+  }
+
+  pipe_stat.st_mode |= desired_mode;
+
   r = chmod(name_buffer, pipe_stat.st_mode);
   uv__free(name_buffer);
 

Diff for: deps/uv/src/unix/tcp.c

@@ -164,6 +164,7 @@ int uv__tcp_bind(uv_tcp_t* tcp,
   if (setsockopt(tcp->io_watcher.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)))
     return UV__ERR(errno);
 
+#ifndef __OpenBSD__
 #ifdef IPV6_V6ONLY
   if (addr->sa_family == AF_INET6) {
     on = (flags & UV_TCP_IPV6ONLY) != 0;
@@ -179,6 +180,7 @@ int uv__tcp_bind(uv_tcp_t* tcp,
       return UV__ERR(errno);
     }
   }
+#endif
 #endif
 
   errno = 0;