Optional POSIX Condition Variable initialization

Update #2408.

cpukit/posix/include/rtems/posix/condimpl.h

@@ -36,20 +36,13 @@ extern "C" {
  *  The following defines the information control block used to manage
  *  this class of objects.
  */
-POSIX_EXTERN Objects_Information  _POSIX_Condition_variables_Information;
+extern Objects_Information _POSIX_Condition_variables_Information;
 
 /**
  *  The default condition variable attributes structure.
  */
 extern const pthread_condattr_t _POSIX_Condition_variables_Default_attributes;
 
-/**
- *  @brief POSIX Condition Variable Manager Initialization
- *
- *  This routine performs the initialization necessary for this manager.
- */
-void _POSIX_Condition_variables_Manager_initialization(void);
-
 /**
  *  @brief POSIX Condition Variable Allocate
  *

cpukit/posix/src/cond.c

@@ -24,10 +24,13 @@
 
 #include <rtems/system.h>
 #include <rtems/config.h>
+#include <rtems/sysinit.h>
 #include <rtems/score/watchdog.h>
 #include <rtems/posix/condimpl.h>
 #include <rtems/posix/muteximpl.h>
 
+Objects_Information _POSIX_Condition_variables_Information;
+
 /*
  *  _POSIX_Condition_variables_Manager_initialization
  *
@@ -39,7 +42,7 @@
  *  Output parameters:  NONE
  */
 
-void _POSIX_Condition_variables_Manager_initialization(void)
+static void _POSIX_Condition_variables_Manager_initialization(void)
 {
   _Objects_Initialize_information(
     &_POSIX_Condition_variables_Information, /* object information table */
@@ -58,3 +61,9 @@ void _POSIX_Condition_variables_Manager_initialization(void)
 #endif
   );
 }
+
+RTEMS_SYSINIT_ITEM(
+  _POSIX_Condition_variables_Manager_initialization,
+  RTEMS_SYSINIT_POSIX_CONDITION_VARIABLE,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);

cpukit/sapi/src/posixapi.c

@@ -33,7 +33,6 @@
 #include <rtems/config.h>
 #include <rtems/posix/barrierimpl.h>
 #include <rtems/posix/config.h>
-#include <rtems/posix/condimpl.h>
 #include <rtems/posix/mqueueimpl.h>
 #include <rtems/posix/muteximpl.h>
 #include <rtems/posix/priorityimpl.h>
@@ -63,7 +62,6 @@ void _POSIX_API_Initialize(void)
   _POSIX_Key_Manager_initialization();
 
   #ifdef RTEMS_POSIX_API
-    _POSIX_Condition_variables_Manager_initialization();
     _POSIX_Mutex_Manager_initialization();
     _POSIX_Message_queue_Manager_initialization();
     _POSIX_Semaphore_Manager_initialization();

cpukit/score/include/rtems/sysinit.h

@@ -44,6 +44,7 @@ extern "C" {
 #define RTEMS_SYSINIT_CLASSIC_BARRIER            00034a
 #define RTEMS_SYSINIT_POSIX_SIGNALS              000360
 #define RTEMS_SYSINIT_POSIX_THREADS              000361
+#define RTEMS_SYSINIT_POSIX_CONDITION_VARIABLE   000362
 #define RTEMS_SYSINIT_POSIX_CLEANUP              00036a
 #define RTEMS_SYSINIT_IDLE_THREADS               000380
 #define RTEMS_SYSINIT_BSP_LIBC                   000400

testsuites/sptests/spsysinit01/init.c

@@ -28,6 +28,7 @@
 
 #include <rtems/extensionimpl.h>
 #ifdef RTEMS_POSIX_API
+#include <rtems/posix/condimpl.h>
 #include <rtems/posix/psignalimpl.h>
 #include <rtems/posix/pthreadimpl.h>
 #endif /* RTEMS_POSIX_API */
@@ -86,6 +87,8 @@ typedef enum {
   POSIX_SIGNALS_POST,
   POSIX_THREADS_PRE,
   POSIX_THREADS_POST,
+  POSIX_CONDITION_VARIABLE_PRE,
+  POSIX_CONDITION_VARIABLE_POST,
   POSIX_CLEANUP_PRE,
   POSIX_CLEANUP_POST,
 #endif /* RTEMS_POSIX_API */
@@ -362,6 +365,18 @@ LAST(RTEMS_SYSINIT_POSIX_THREADS)
   next_step(POSIX_THREADS_POST);
 }
 
+FIRST(RTEMS_SYSINIT_POSIX_CONDITION_VARIABLE)
+{
+  assert(_POSIX_Condition_variables_Information.maximum == 0);
+  next_step(POSIX_CONDITION_VARIABLE_PRE);
+}
+
+LAST(RTEMS_SYSINIT_POSIX_CONDITION_VARIABLE)
+{
+  assert(_POSIX_Condition_variables_Information.maximum != 0);
+  next_step(POSIX_CONDITION_VARIABLE_POST);
+}
+
 static size_t user_extensions_pre_posix_cleanup;
 
 FIRST(RTEMS_SYSINIT_POSIX_CLEANUP)
@@ -491,6 +506,8 @@ static void Init(rtems_task_argument arg)
 
 #ifdef RTEMS_POSIX_API
 
+#define CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES 1
+
 #define CONFIGURE_MAXIMUM_POSIX_THREADS 1
 
 #endif /* RTEMS_POSIX_API */