upgrade libuv to 0303197

1 files changed, 121 insertions, 0 deletions

diff --git a/deps/uv/src/unix/kqueue.c b/deps/uv/src/unix/kqueue.c
new file mode 100644
index 0000000000..924865bdff
--- /dev/null
+++ b/deps/uv/src/unix/kqueue.c
@@ -0,0 +1,121 @@
+/* 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.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/sysctl.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <fcntl.h>
+#include <time.h>
+
+static void uv__fs_event(EV_P_ ev_io* w, int revents);
+
+
+static void uv__fs_event_start(uv_fs_event_t* handle) {
+  ev_io_init(&handle->event_watcher,
+             uv__fs_event,
+             handle->fd,
+             EV_LIBUV_KQUEUE_HACK);
+  ev_io_start(handle->loop->ev, &handle->event_watcher);
+}
+
+
+static void uv__fs_event_stop(uv_fs_event_t* handle) {
+  ev_io_stop(handle->loop->ev, &handle->event_watcher);
+}
+
+
+static void uv__fs_event(EV_P_ ev_io* w, int revents) {
+  uv_fs_event_t* handle;
+  int events;
+
+  assert(revents == EV_LIBUV_KQUEUE_HACK);
+
+  handle = container_of(w, uv_fs_event_t, event_watcher);
+
+  if (handle->fflags & (NOTE_ATTRIB | NOTE_EXTEND))
+    events = UV_CHANGE;
+  else
+    events = UV_RENAME;
+
+  handle->cb(handle, NULL, events, 0);
+
+  uv__fs_event_stop(handle);
+
+  /* File watcher operates in one-shot mode, re-arm it. */
+  if (handle->fd != -1)
+    uv__fs_event_start(handle);
+}
+
+
+/* Called by libev, don't touch. */
+void uv__kqueue_hack(EV_P_ int fflags, ev_io *w) {
+  uv_fs_event_t* handle;
+
+  handle = container_of(w, uv_fs_event_t, event_watcher);
+  handle->fflags = fflags;
+}
+
+
+int uv_fs_event_init(uv_loop_t* loop,
+                     uv_fs_event_t* handle,
+                     const char* filename,
+                     uv_fs_event_cb cb) {
+#if HAVE_KQUEUE
+  int fd;
+
+  if (cb == NULL) {
+    uv__set_sys_error(loop, EINVAL);
+    return -1;
+  }
+
+  /* TODO open asynchronously - but how do we report back errors? */
+  if ((fd = open(filename, O_RDONLY)) == -1) {
+    uv__set_sys_error(loop, errno);
+    return -1;
+  }
+
+  uv__handle_init(loop, (uv_handle_t*)handle, UV_FS_EVENT);
+  handle->filename = strdup(filename);
+  handle->fflags = 0;
+  handle->cb = cb;
+  handle->fd = fd;
+  uv__fs_event_start(handle);
+
+  return 0;
+#else
+  uv__set_sys_error(loop, ENOSYS);
+  return -1;
+#endif
+}
+
+
+void uv__fs_event_destroy(uv_fs_event_t* handle) {
+  free(handle->filename);
+  uv__close(handle->fd);
+  handle->fd = -1;
+}