diff --git a/ChangeLog b/ChangeLog
index b72d2a82f9..ea1632f8c4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Tue Feb 24 10:49:37 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* process.c (rb_waitpid): last argument was missing.
+
+	* process.c (waitall_each): fixed typo.  a patch from shinichiro.h
+	  <shinichiro.hamaji AT gmail.com> at [ruby-dev:38054].
+
 Tue Feb 24 01:53:40 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* numeric.c (flo_eq): remove unnecessary NaN check using isnan().
diff --git a/process.c b/process.c
index 1e61cb5c2a..ae780debf2 100644
--- a/process.c
+++ b/process.c
@@ -650,7 +650,7 @@ retry:
 
     for (;;) {
 	result = (rb_pid_t)rb_thread_blocking_region(rb_waitpid_blocking,
-						     st, RUBY_UBF_PROCESS);
+						     st, RUBY_UBF_PROCESS, 0);
 	if (result < 0) {
 	    if (errno == EINTR) {
 		rb_thread_schedule();
@@ -693,7 +693,7 @@ static int
 waitall_each(rb_pid_t pid, int status, VALUE ary)
 {
     rb_last_status_set(status, pid);
-    rb_ary_push(ary, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get());
+    rb_ary_push(ary, rb_assoc_new(PIDT2NUM(pid), rb_last_status_get()));
     return ST_DELETE;
 }
 #endif