[PATCH] posix: glibc compatibility

[Sebastian Huber]

---
 cpukit/posix/src/setcancelstate.c           | 7 +++----
 cpukit/posix/src/setcanceltype.c            | 7 +++----
 testsuites/psxtests/psxcancel/init.c        | 8 ++++----
 testsuites/psxtests/psxcancel/psxcancel.scn | 6 +++---
 4 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/cpukit/posix/src/setcancelstate.c b/cpukit/posix/src/setcancelstate.c
index 0ae7339..a451c2c 100644
--- a/cpukit/posix/src/setcancelstate.c
+++ b/cpukit/posix/src/setcancelstate.c
@@ -50,9 +50,6 @@ int pthread_setcancelstate(
   if ( _ISR_Is_in_progress() )
     return EPROTO;
 
-  if ( !oldstate )
-    return EINVAL;
-
   if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE )
     return EINVAL;
 
@@ -61,7 +58,9 @@ int pthread_setcancelstate(
     executing = _Thread_Executing;
     thread_support =  executing ->API_Extensions[ THREAD_API_POSIX ];
 
-    *oldstate = thread_support->cancelability_state;
+    if (oldstate != NULL)
+      *oldstate = thread_support->cancelability_state;
+
     thread_support->cancelability_state = state;
 
     _POSIX_Thread_Evaluate_cancellation_and_enable_dispatch( executing );
diff --git a/cpukit/posix/src/setcanceltype.c b/cpukit/posix/src/setcanceltype.c
index 2ad7cc9..8c4687a 100644
--- a/cpukit/posix/src/setcanceltype.c
+++ b/cpukit/posix/src/setcanceltype.c
@@ -50,9 +50,6 @@ int pthread_setcanceltype(
   if ( _ISR_Is_in_progress() )
     return EPROTO;
 
-  if ( !oldtype )
-    return EINVAL;
-
   if ( type != PTHREAD_CANCEL_DEFERRED && type != PTHREAD_CANCEL_ASYNCHRONOUS )
     return EINVAL;
 
@@ -61,7 +58,9 @@ int pthread_setcanceltype(
     executing = _Thread_Executing;
     thread_support =  executing ->API_Extensions[ THREAD_API_POSIX ];
 
-    *oldtype = thread_support->cancelability_type;
+    if ( oldtype != NULL )
+      *oldtype = thread_support->cancelability_type;
+
     thread_support->cancelability_type = type;
 
     _POSIX_Thread_Evaluate_cancellation_and_enable_dispatch( executing );
diff --git a/testsuites/psxtests/psxcancel/init.c b/testsuites/psxtests/psxcancel/init.c
index 2007529..4af4e76 100644
--- a/testsuites/psxtests/psxcancel/init.c
+++ b/testsuites/psxtests/psxcancel/init.c
@@ -95,17 +95,17 @@ void *countTaskAsync(void *ignored)
   TEST_BEGIN();
 
   /* generate some error conditions */
-  puts( "Init - pthread_setcancelstate - NULL oldstate - EINVAL" );
+  puts( "Init - pthread_setcancelstate - NULL oldstate" );
   sc = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
-  fatal_posix_service_status( sc, EINVAL, "cancel state EINVAL" );
+  fatal_posix_service_status( sc, 0, "cancel state NULL" );
 
   puts( "Init - pthread_setcancelstate - bad state - EINVAL" );
   sc = pthread_setcancelstate(12, &old);
   fatal_posix_service_status( sc, EINVAL, "cancel state EINVAL" );
 
-  puts( "Init - pthread_setcanceltype - NULL oldtype - EINVAL" );
+  puts( "Init - pthread_setcanceltype - NULL oldtype" );
   sc = pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL);
-  fatal_posix_service_status( sc, EINVAL, "cancel type EINVAL" );
+  fatal_posix_service_status( sc, 0, "cancel type NULL" );
 
   puts( "Init - pthread_setcanceltype - bad type - EINVAL" );
   sc = pthread_setcanceltype(12, &old);
diff --git a/testsuites/psxtests/psxcancel/psxcancel.scn b/testsuites/psxtests/psxcancel/psxcancel.scn
index b51dd73..7bc9498 100644
--- a/testsuites/psxtests/psxcancel/psxcancel.scn
+++ b/testsuites/psxtests/psxcancel/psxcancel.scn
@@ -1,7 +1,7 @@
-*** POSIX CANCEL TEST ***
-Init - pthread_setcancelstate - NULL oldstate - EINVAL
+*** BEGIN OF TEST PSXCANCEL ***
+Init - pthread_setcancelstate - NULL oldstate
 Init - pthread_setcancelstate - bad state - EINVAL
-Init - pthread_setcanceltype - NULL oldtype - EINVAL
+Init - pthread_setcanceltype - NULL oldtype
 Init - pthread_setcanceltype - bad type - EINVAL
 Init - pthread_cancel - bad ID - EINVAL
 countTaskDeferred: elapsed time (second):  0
-- 
1.8.4.5