deps: update libuv to 1.4.1

deps/uv/.gitignore

@@ -67,3 +67,6 @@ ipch
 
 *.xcodeproj
 *.xcworkspace
+
+# make dist output
+libuv-*.tar.*

deps/uv/.mailmap

@@ -14,6 +14,7 @@ Isaac Z. Schlueter <i@izs.me>
 Justin Venus <justin.venus@gmail.com> <justin.venus@orbitz.com>
 Keno Fischer <kenof@stanford.edu> <kfischer+github@college.harvard.edu>
 Keno Fischer <kenof@stanford.edu> <kfischer@college.harvard.edu>
+Leith Bade <leith@leithalweapon.geek.nz> <leith@mapbox.com>
 Leonard Hecker <leonard.hecker91@gmail.com> <leonard@hecker.io>
 Maciej Małecki <maciej.malecki@notimplemented.org> <me@mmalecki.com>
 Marc Schlaich <marc.schlaich@googlemail.com> <marc.schlaich@gmail.com>

deps/uv/AUTHORS

@@ -180,3 +180,4 @@ Alexey Melnichuk <mimir@newmail.ru>
 Johan Bergström <bugs@bergstroem.nu>
 Alex Mo <almosnow@gmail.com>
 Luis Martinez de Bartolome <lasote@gmail.com>
+Michael Penick <michael.penick@datastax.com>

deps/uv/ChangeLog

@@ -1,3 +1,23 @@
+2015.02.25, Version 1.4.1 (Stable)
+
+Changes since version 1.4.0:
+
+* win: don't use inline keyword in thread.c (Ben Noordhuis)
+
+* windows: fix setting dirent types on uv_fs_scandir_next (Saúl Ibarra
+  Corretgé)
+
+* unix,windows: make uv_thread_create() return errno (Ben Noordhuis)
+
+* tty: fix build for SmartOS (Julien Gilli)
+
+* unix: fix for uv_async data race (Michael Penick)
+
+* unix, windows: map EHOSTDOWN errno (Ben Noordhuis)
+
+* stream: use SO_OOBINLINE on OS X (Fedor Indutny)
+
+
 2015.02.10, Version 1.4.0 (Stable), 19fb8a90648f3763240db004b77ab984264409be
 
 Changes since version 1.3.0:

deps/uv/Makefile.am

@@ -222,6 +222,7 @@ test_run_tests_SOURCES = test/blackhole-server.c \
                          test/test-tcp-read-stop.c \
                          test/test-tcp-shutdown-after-write.c \
                          test/test-tcp-unexpected-read.c \
+                         test/test-tcp-oob.c \
                          test/test-tcp-write-to-half-open-connection.c \
                          test/test-tcp-write-after-connect.c \
                          test/test-tcp-writealot.c \

deps/uv/checksparse.sh

@@ -145,6 +145,7 @@ test/test-tcp-open.c
 test/test-tcp-read-stop.c
 test/test-tcp-shutdown-after-write.c
 test/test-tcp-unexpected-read.c
+test/test-tcp-oob.c
 test/test-tcp-write-error.c
 test/test-tcp-write-to-half-open-connection.c
 test/test-tcp-writealot.c

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], [1.4.0], [https://github.com/libuv/libuv/issues])
+AC_INIT([libuv], [1.4.1], [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/docs/src/threading.rst

@@ -56,6 +56,9 @@ Threads
 ^^^^^^^
 
 .. c:function:: int uv_thread_create(uv_thread_t* tid, uv_thread_cb entry, void* arg)
+
+    .. versionchanged:: 1.4.1 returns a UV_E* error code on failure
+
 .. c:function:: uv_thread_t uv_thread_self(void)
 .. c:function:: int uv_thread_join(uv_thread_t *tid)
 .. c:function:: int uv_thread_equal(const uv_thread_t* t1, const uv_thread_t* t2)

deps/uv/include/uv-errno.h

@@ -399,4 +399,20 @@
 # define UV__EMLINK (-4032)
 #endif
 
+/* EHOSTDOWN is not visible on BSD-like systems when _POSIX_C_SOURCE is
+ * defined. Fortunately, its value is always 64 so it's possible albeit
+ * icky to hard-code it.
+ */
+#if defined(EHOSTDOWN) && !defined(_WIN32)
+# define UV__EHOSTDOWN (-EHOSTDOWN)
+#elif defined(__APPLE__) || \
+      defined(__DragonFly__) || \
+      defined(__FreeBSD__) || \
+      defined(__NetBSD__) || \
+      defined(__OpenBSD__)
+# define UV__EHOSTDOWN (-64)
+#else
+# define UV__EHOSTDOWN (-4031)
+#endif
+
 #endif /* UV_ERRNO_H_ */

deps/uv/include/uv-version.h

@@ -32,7 +32,7 @@
 
 #define UV_VERSION_MAJOR 1
 #define UV_VERSION_MINOR 4
-#define UV_VERSION_PATCH 0
+#define UV_VERSION_PATCH 1
 #define UV_VERSION_IS_RELEASE 1
 #define UV_VERSION_SUFFIX ""
 

deps/uv/include/uv-win.h

@@ -294,6 +294,7 @@ typedef struct uv__dirent_s {
   char d_name[1];
 } uv__dirent_t;
 
+#define HAVE_DIRENT_TYPES
 #define UV__DT_DIR     UV_DIRENT_DIR
 #define UV__DT_FILE    UV_DIRENT_FILE
 #define UV__DT_LINK    UV_DIRENT_LINK

deps/uv/include/uv.h

@@ -138,6 +138,7 @@ extern "C" {
   XX(EOF, "end of file")                                                      \
   XX(ENXIO, "no such device or address")                                      \
   XX(EMLINK, "too many links")                                                \
+  XX(EHOSTDOWN, "host is down")                                               \
 
 #define UV_HANDLE_TYPE_MAP(XX)                                                \
   XX(ASYNC, async)                                                            \

deps/uv/src/unix/async.c

@@ -24,6 +24,7 @@
 
 #include "uv.h"
 #include "internal.h"
+#include "atomic-ops.h"
 
 #include <errno.h>
 #include <stdio.h>  /* snprintf() */
@@ -35,7 +36,6 @@
 static void uv__async_event(uv_loop_t* loop,
                             struct uv__async* w,
                             unsigned int nevents);
-static int uv__async_make_pending(int* pending);
 static int uv__async_eventfd(void);
 
 
@@ -58,7 +58,11 @@ int uv_async_init(uv_loop_t* loop, uv_async_t* handle, uv_async_cb async_cb) {
 
 
 int uv_async_send(uv_async_t* handle) {
-  if (uv__async_make_pending(&handle->pending) == 0)
+  /* Do a cheap read first. */
+  if (ACCESS_ONCE(int, handle->pending) != 0)
+    return 0;
+
+  if (cmpxchgi(&handle->pending, 0, 1) == 0)
     uv__async_send(&handle->loop->async_watcher);
 
   return 0;
@@ -80,9 +84,8 @@ static void uv__async_event(uv_loop_t* loop,
   QUEUE_FOREACH(q, &loop->async_handles) {
     h = QUEUE_DATA(q, uv_async_t, queue);
 
-    if (h->pending == 0)
+    if (cmpxchgi(&h->pending, 1, 0) == 0)
       continue;
-    h->pending = 0;
 
     if (h->async_cb == NULL)
       continue;
@@ -91,37 +94,6 @@ static void uv__async_event(uv_loop_t* loop,
 }
 
 
-static int uv__async_make_pending(int* pending) {
-  /* Do a cheap read first. */
-  if (ACCESS_ONCE(int, *pending) != 0)
-    return 1;
-
-  /* Micro-optimization: use atomic memory operations to detect if we've been
-   * preempted by another thread and don't have to make an expensive syscall.
-   * This speeds up the heavily contended case by about 1-2% and has little
-   * if any impact on the non-contended case.
-   *
-   * Use XCHG instead of the CMPXCHG that __sync_val_compare_and_swap() emits
-   * on x86, it's about 4x faster. It probably makes zero difference in the
-   * grand scheme of things but I'm OCD enough not to let this one pass.
-   */
-#if defined(__i386__) || defined(__x86_64__)
-  {
-    unsigned int val = 1;
-    __asm__ __volatile__ ("xchgl %0, %1"
-                         : "+r" (val)
-                         : "m"  (*pending));
-    return val != 0;
-  }
-#elif defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ > 0)
-  return __sync_val_compare_and_swap(pending, 0, 1) != 0;
-#else
-  ACCESS_ONCE(int, *pending) = 1;
-  return 0;
-#endif
-}
-
-
 static void uv__async_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
   struct uv__async* wa;
   char buf[1024];

deps/uv/src/unix/stream.c

@@ -375,6 +375,10 @@ int uv__stream_try_select(uv_stream_t* stream, int* fd) {
 
 
 int uv__stream_open(uv_stream_t* stream, int fd, int flags) {
+#if defined(__APPLE__)
+  int enable;
+#endif
+
   assert(fd >= 0);
   stream->flags |= flags;
 
@@ -387,6 +391,14 @@ int uv__stream_open(uv_stream_t* stream, int fd, int flags) {
       return -errno;
   }
 
+#if defined(__APPLE__)
+  enable = 1;
+  if (setsockopt(fd, SOL_SOCKET, SO_OOBINLINE, &enable, sizeof(enable)) &&
+      errno != ENOTSOCK) {
+    return -errno;
+  }
+#endif
+
   stream->io_watcher.fd = fd;
 
   return 0;

deps/uv/src/unix/thread.c

@@ -68,7 +68,7 @@ int uv_thread_create(uv_thread_t *tid, void (*entry)(void *arg), void *arg) {
   if (err)
     free(ctx);
 
-  return err ? -1 : 0;
+  return -err;
 }
 
 

deps/uv/src/unix/tty.c

@@ -103,6 +103,24 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, int fd, int readable) {
   return 0;
 }
 
+static void uv__tty_make_raw(struct termios* tio) {
+  assert(tio != NULL);
+
+#ifdef __sun
+  /*
+   * This implementation of cfmakeraw for Solaris and derivatives is taken from
+   * http://www.perkin.org.uk/posts/solaris-portability-cfmakeraw.html.
+   */
+  tio->c_iflag &= ~(IMAXBEL | IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR |
+                    IGNCR | ICRNL | IXON);
+  tio->c_oflag &= ~OPOST;
+  tio->c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
+  tio->c_cflag &= ~(CSIZE | PARENB);
+  tio->c_cflag |= CS8;
+#else
+  cfmakeraw(tio);
+#endif /* #ifdef __sun */
+}
 
 int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
   struct termios tmp;
@@ -138,7 +156,7 @@ int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
       tmp.c_cc[VTIME] = 0;
       break;
     case UV_TTY_MODE_IO:
-      cfmakeraw(&tmp);
+      uv__tty_make_raw(&tmp);
       break;
   }