4.23

[sojka/libev.git] / ev.3

diff --git a/ev.3 b/ev.3
index 5ac3f82e8664f0b2dd21e223b624ee32eb890fbb..5b2599e9bdf0fa94cdaf7f1938ea9793ad49b8be 100644 (file)
--- a/ev.3
+++ b/ev.3
@@ -133,7 +133,7 @@
 .\" ========================================================================
 .\"
 .IX Title "LIBEV 3"
-.TH LIBEV 3 "2016-02-18" "libev-4.22" "libev - high performance full featured event loop"
+.TH LIBEV 3 "2016-11-16" "libev-4.23" "libev - high performance full featured event loop"
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -5414,6 +5414,10 @@ structure (guaranteed by \s-1POSIX\s0 but not by \s-1ISO C\s0 for example), but
 assumes that the same (machine) code can be used to call any watcher
 callback: The watcher callbacks have different type signatures, but libev
 calls them using an \f(CW\*(C`ev_watcher *\*(C'\fR internally.
+.IP "null pointers and integer zero are represented by 0 bytes" 4
+.IX Item "null pointers and integer zero are represented by 0 bytes"
+Libev uses \f(CW\*(C`memset\*(C'\fR to initialise structs and arrays to \f(CW0\fR bytes, and
+relies on this setting pointers and integers to null.
 .IP "pointer accesses must be thread-atomic" 4
 .IX Item "pointer accesses must be thread-atomic"
 Accessing a pointer value must be atomic, it must both be readable and