3 files changed, 16 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 54128c3686..83e598ca10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Apr  3 18:34:33 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* process.c (setreuid, setregid): suppress warnings.
+	  [ruby-core:43374][Bug #6169]
+
 Sat Mar 31 12:11:21 2012  Martin Bosslet  <Martin.Bosslet@googlemail.com>
 
 	* ext/openssl/ossl_x509cert.c: Fix doc typo.
diff --git a/process.c b/process.c
index 2a167577c5..2785ad2cab 100644
--- a/process.c
+++ b/process.c
@@ -110,9 +110,11 @@ static VALUE rb_cProcessTms;
 
 #ifdef BROKEN_SETREUID
 #define setreuid ruby_setreuid
+int setreuid(rb_uid_t ruid, rb_uid_t euid);
 #endif
 #ifdef BROKEN_SETREGID
 #define setregid ruby_setregid
+int setregid(rb_gid_t rgid, rb_gid_t egid);
 #endif
 
 #if defined(HAVE_44BSD_SETUID) || defined(__MacOS_X__)
@@ -4214,11 +4216,11 @@ static rb_uid_t SAVED_USER_ID = -1;
 int
 setreuid(rb_uid_t ruid, rb_uid_t euid)
 {
-    if (ruid != -1 && ruid != getuid()) {
-	if (euid == -1) euid = geteuid();
+    if (ruid != (rb_uid_t)-1 && ruid != getuid()) {
+	if (euid == (rb_uid_t)-1) euid = geteuid();
 	if (setuid(ruid) < 0) return -1;
     }
-    if (euid != -1 && euid != geteuid()) {
+    if (euid != (rb_uid_t)-1 && euid != geteuid()) {
 	if (seteuid(euid) < 0) return -1;
     }
     return 0;
@@ -4926,11 +4928,11 @@ static rb_gid_t SAVED_GROUP_ID = -1;
 int
 setregid(rb_gid_t rgid, rb_gid_t egid)
 {
-    if (rgid != -1 && rgid != getgid()) {
-	if (egid == -1) egid = getegid();
+    if (rgid != (rb_gid_t)-1 && rgid != getgid()) {
+	if (egid == (rb_gid_t)-1) egid = getegid();
 	if (setgid(rgid) < 0) return -1;
     }
-    if (egid != -1 && egid != getegid()) {
+    if (egid != (rb_gid_t)-1 && egid != getegid()) {
 	if (setegid(egid) < 0) return -1;
     }
     return 0;
diff --git a/version.h b/version.h
index b04fc7bb41..c6f4ff3757 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_PATCHLEVEL 173
+#define RUBY_PATCHLEVEL 174
 
-#define RUBY_RELEASE_DATE "2012-04-01"
+#define RUBY_RELEASE_DATE "2012-04-03"
 #define RUBY_RELEASE_YEAR 2012
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 1
+#define RUBY_RELEASE_DAY 3
 
 #include "ruby/version.h"