Issue #12372: POSIX semaphores are broken on AIX: don't use them.

diff --git a/Misc/NEWS b/Misc/NEWS
index b7d00f00b956beb2d26d408f66de55677bdc8473..b4228aaa46d931daaca7f8751fbbce9a7fad3a2c 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #12372: POSIX semaphores are broken on AIX: don't use them.
+
 - Issue #12571: Add a plat-linux3 directory mirroring the plat-linux2
   directory, so that "import DLFCN" and other similar imports work on
   Linux 3.0.

diff --git a/configure b/configure
index 4a60b10b2e1294e12e06336dffed820df9e3923b..dc20f6917b4211ccbb7342e82769f3c987eaee23 100755 (executable)
--- a/configure
+++ b/configure
@@ -8987,7 +8987,7 @@ $as_echo "#define _POSIX_THREADS 1" >>confdefs.h
 
       # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
       case  $ac_sys_system/$ac_sys_release in
-  SunOS/5.6)
+      SunOS/5.6)
 $as_echo "#define HAVE_PTHREAD_DESTRUCTOR 1" >>confdefs.h
 
                       ;;
@@ -8995,14 +8995,10 @@ $as_echo "#define HAVE_PTHREAD_DESTRUCTOR 1" >>confdefs.h
 $as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
 
                       ;;
-      AIX/5)
+      AIX/*)
 $as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
 
                       ;;
-      AIX/6)
-$as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
-
-                      ;;
       esac
 
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking if PTHREAD_SCOPE_SYSTEM is supported" >&5

diff --git a/configure.in b/configure.in
index 9749e790cc26c1ecfa8649fce716a180796b9edd..91a6c10e7fc9b7468c44f29d24c71e22a2d4c090 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -2359,18 +2359,15 @@ if test "$posix_threads" = "yes"; then
 
       # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
       case  $ac_sys_system/$ac_sys_release in
-  SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
+      SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
                        [Defined for Solaris 2.6 bug in pthread header.])
                       ;;
       SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
                       [Define if the Posix semaphores do not work on your system])
                       ;;
-      AIX/5) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
+      AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
                       [Define if the Posix semaphores do not work on your system])
                       ;;
-      AIX/6) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
-                      Define if the Posix semaphores do not work on your system)
-                      ;;
       esac
 
       AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)