osdep: rename polldev to poll_wrapper

Originally, this was added as purely a shim for macOS. However since we
want to do high resolution polling which is not neccesarily available on
all platforms, making this a generic wrapper for poll functions is
useful so rename it.

meson.build

@@ -403,7 +403,7 @@ if posix
     subprocess_source = files('osdep/subprocess-posix.c')
     sources += path_source + subprocess_source + \
                files('input/ipc-unix.c',
-                     'osdep/polldev.c',
+                     'osdep/poll_wrapper.c',
                      'osdep/terminal-unix.c',
                      'sub/filter_regex.c')
 endif

osdep/poll_wrapper.c

@@ -1,6 +1,4 @@
 /*
- * poll shim that supports device files on macOS.
- *
  * This file is part of mpv.
  *
  * mpv is free software; you can redistribute it and/or
@@ -22,9 +20,12 @@
 #include <sys/select.h>
 #include <stdio.h>
 
-#include "osdep/polldev.h"
+#include "poll_wrapper.h"
 
-int polldev(struct pollfd fds[], nfds_t nfds, int timeout) {
+
+// poll shim that supports device files on macOS.
+int polldev(struct pollfd fds[], nfds_t nfds, int timeout)
+{
 #ifdef __APPLE__
     int maxfd = 0;
     fd_set readfds, writefds;

osdep/terminal-unix.c

@@ -31,7 +31,7 @@
 
 #include "osdep/io.h"
 #include "osdep/threads.h"
-#include "osdep/polldev.h"
+#include "osdep/poll_wrapper.h"
 
 #include "common/common.h"
 #include "misc/bstr.h"