doc: add documentation for missing functions and structures

* uv_process_kill, uv_kill
* uv_fs_poll_init
* uv_timespec_t

docs/src/fs.rst

@@ -20,9 +20,20 @@ Data types
 
     Filesystem request type.
 
+.. c:type:: uv_timespec_t
+
+    Portable equivalent of ``struct timespec``.
+
+    ::
+
+        typedef struct {
+            long tv_sec;
+            long tv_nsec;
+        } uv_timespec_t;
+
 .. c:type:: uv_stat_t
 
-    Portable equivalent of `struct stat`.
+    Portable equivalent of ``struct stat``.
 
     ::
 

docs/src/fs_poll.rst

@@ -42,6 +42,10 @@ N/A
 API
 ---
 
+.. c:function:: int uv_fs_poll_init(uv_loop_t* loop, uv_fs_poll_t* handle)
+
+    Initialize the handle.
+
 .. c:function:: int uv_fs_poll_start(uv_fs_poll_t* handle, uv_fs_poll_cb poll_cb, const char* path, unsigned int interval)
 
     Check the file at `path` for changes every `interval` milliseconds.

docs/src/process.rst

@@ -212,4 +212,14 @@ API
     setgid specified, or not having enough memory to allocate for the new
     process.
 
+.. c:function:: int uv_process_kill(uv_process_t* handle, int signum)
+
+    Sends the specified signal to the given process handle. Check the documentation
+    on :c:ref:`signal` for signal support, specially on Windows.
+
+.. c:function:: int uv_kill(int pid, int signum)
+
+    Sends the specified signal to the given PID. Check the documentation
+    on :c:ref:`signal` for signal support, specially on Windows.
+
 .. seealso:: The :c:type:`uv_handle_t` API functions also apply.