docs: switch from linux.die.net to man7.org

The former was missing `urandom`, while the later is the host site for
https://www.kernel.org/doc/man-pages

PR-URL: https://github.com/libuv/libuv/pull/2608
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>

docs/src/guide/processes.rst

@@ -42,12 +42,10 @@ exits. This is achieved using ``uv_spawn``.
 The ``uv_process_t`` struct only acts as the handle, all options are set via
 ``uv_process_options_t``. To simply launch a process, you need to set only the
 ``file`` and ``args`` fields. ``file`` is the program to execute. Since
-``uv_spawn`` uses execvp_ internally, there is no need to supply the full
+``uv_spawn`` uses :man:`execvp(3)` internally, there is no need to supply the full
 path. Finally as per underlying conventions, **the arguments array has to be
 one larger than the number of arguments, with the last element being NULL**.
 
-.. _execvp: http://man7.org/linux/man-pages/man3/exec.3.html
-
 After the call to ``uv_spawn``, ``uv_process_t.pid`` will contain the process
 ID of the child process.
 

docs/src/guide/threads.rst

@@ -12,7 +12,7 @@ asynchronously that is actually blocking, by spawning a thread and collecting
 the result when it is done.
 
 Today there are two predominant thread libraries: the Windows threads
-implementation and POSIX's `pthreads`_. libuv's thread API is analogous to
+implementation and POSIX's :man:`pthreads(7)`. libuv's thread API is analogous to
 the pthreads API and often has similar semantics.
 
 A notable aspect of libuv's thread facilities is that it is a self contained
@@ -68,7 +68,7 @@ Synchronization Primitives
 
 This section is purposely spartan. This book is not about threads, so I only
 catalogue any surprises in the libuv APIs here. For the rest you can look at
-the pthreads `man pages <pthreads>`_.
+the :man:`pthreads(7)` man pages.
 
 Mutexes
 ~~~~~~~
@@ -379,8 +379,6 @@ which binds a third party library. It may go something like this:
 4. The async callback, invoked in the main loop thread, which is the v8 thread,
    then interacts with v8 to invoke the JavaScript callback.
 
-.. _pthreads: http://man7.org/linux/man-pages/man7/pthreads.7.html
-
 ----
 
 .. _node.js is cancer: http://widgetsandshit.com/teddziuba/2011/10/node-js-is-cancer.html

docs/src/misc.rst

@@ -646,7 +646,7 @@ API
 
     Retrieves system information in `buffer`. The populated data includes the
     operating system name, release, version, and machine. On non-Windows
-    systems, `uv_os_uname()` is a thin wrapper around :man:`uname(3)`. Returns
+    systems, `uv_os_uname()` is a thin wrapper around :man:`uname(2)`. Returns
     zero on success, and a non-zero error value otherwise.
 
     .. versionadded:: 1.25.0

docs/src/sphinx-plugins/manpage.py

@@ -18,7 +18,7 @@ from string import Template
 def make_link_node(rawtext, app, name, manpage_num, options):
     ref = app.config.man_url_regex
     if not ref:
-        ref = "https://linux.die.net/man/%s/%s" % (manpage_num, name)
+        ref = "http://man7.org/linux/man-pages/man%s/%s.%s.html" %(manpage_num, name, manpage_num)
     else:
         s = Template(ref)
         ref = s.substitute(num=manpage_num, topic=name)