Fix sem_trywait() implementation + update changelog.
diff --git a/libc/docs/CHANGES.TXT b/libc/docs/CHANGES.TXT
index c2655c5..7c8f38c 100644
--- a/libc/docs/CHANGES.TXT
+++ b/libc/docs/CHANGES.TXT
@@ -46,7 +46,14 @@
- <wchar.h>: Add mbstowcs() and wcstombs()
-- add clone() implementation for ARM (x86 and SH-4 not working yet)
+- add clone() implementation for ARM (x86 and SH-4 not working yet).
+
+- <sys/epoll.h>: <sys/system_properties.h>: Add missing C++ inclusion guards
+
+- fix getpwnam() and getpwgrp() to accept "app_0" as a valid user name.
+
+- fix sem_trywait() to return -1 and set errno to EAGAIN, instead of
+ returning EAGAIN directly.
-------------------------------------------------------------------------------
Differences between Android 2.1 and 2.0.1: