rewrite seletc backend, port again to msvc

[software/libev.git] / README.embed

diff --git a/README.embed b/README.embed
index df5491a1d49a4f5e59611fe96ff63f72408078b1..d168cc51654d16dc60bb448de2366e890128e582 100644 (file)
--- a/README.embed
+++ b/README.embed
@@ -35,7 +35,8 @@ FILESETS
         ev.c
         ev_vars.h
         ev_wrap.h
-        ev_win32.c
+
+        ev_win32.c      required on win32 platforms only
 
         ev_select.c     only when select backend is enabled (which is is by default)
         ev_poll.c       only when poll backend is enabled (disabled by default)
@@ -133,10 +134,15 @@ PREPROCESSOR SYMBOLS
        If defined to be "1", libev will compile in support for the BSD
        style kqueue backend. Its availability will be detected at runtime,
        otherwise another method will be used as fallback. This is the
-       preferred backend for BSD and BSd-like systems. Darwin brokenness
+       preferred backend for BSD and BSD-like systems. Darwin brokenness
        will be detected at runtime and routed around by disabling this
        backend.
 
+    EV_USE_DEVPOLL
+    EV_USE_PORTS
+    
+       reserved for future expansion, works like the USE symbols above.
+
     EV_H
 
         The name of the ev.h header file used to include it. The default
@@ -149,19 +155,6 @@ PREPROCESSOR SYMBOLS
         Similarly to EV_H, this macro cna be used to override event.c's idea
         of how the event.h header can be found.
 
-    EV_COMMON
- 
-       By default, all watchers have a "void *data" member. By redefining
-       this macro to a something else you can include more and other types
-       of members. You have to define it each time you include one of the
-       files, though, and it must be identical each time.
-
-       For example, the perl EV module uses this:
-
-           #define EV_COMMON                       \
-             SV *self; /* contains this struct */  \
-             SV *cb_sv, *fh /* note no trailing ";" */
-
     EV_PROTOTYPES
 
        If defined to be "0", then "ev.h" will not define any function
@@ -177,6 +170,24 @@ PREPROCESSOR SYMBOLS
        event loop pointer argument. Instead, all functions act on the
        single default loop.
 
+    EV_PERIODICS
+
+       If undefined or defined to be "1", then periodic timers are
+       supported, otherwise not. This saves a few kb of code.
+
+    EV_COMMON
+ 
+       By default, all watchers have a "void *data" member. By redefining
+       this macro to a something else you can include more and other types
+       of members. You have to define it each time you include one of the
+       files, though, and it must be identical each time.
+
+       For example, the perl EV module uses this:
+
+           #define EV_COMMON                       \
+             SV *self; /* contains this struct */  \
+             SV *cb_sv, *fh /* note no trailing ";" */
+
     EV_CB_DECLARE(type)
     EV_CB_INVOKE(watcher,revents)
     ev_set_cb(ev,cb)