Optional POSIX Signals initialization

Update #2408.

cpukit/posix/include/rtems/posix/psignalimpl.h

@@ -72,11 +72,6 @@ extern Chain_Control _POSIX_signals_Siginfo[ SIG_ARRAY_MAX ];
  *  Internal routines
  */
 
-/**
- * @brief POSIX signals manager initialization.
- */
-void _POSIX_signals_Manager_Initialization(void);
-
 #define _POSIX_signals_Acquire( lock_context ) \
   _Thread_queue_Acquire( &_POSIX_signals_Wait_queue, lock_context )
 

cpukit/posix/src/psignal.c

@@ -33,6 +33,7 @@
 #include <rtems/posix/pthreadimpl.h>
 #include <rtems/config.h>
 #include <rtems/seterr.h>
+#include <rtems/sysinit.h>
 
 /*
  *  Ensure we have the same number of vectors and default vector entries
@@ -166,7 +167,7 @@ void _POSIX_signals_Action_handler(
   executing->Wait.return_code = hold_errno;
 }
 
-void _POSIX_signals_Manager_Initialization(void)
+static void _POSIX_signals_Manager_Initialization(void)
 {
   uint32_t   signo;
   uint32_t   maximum_queued_signals;
@@ -213,3 +214,9 @@ void _POSIX_signals_Manager_Initialization(void)
     _Chain_Initialize_empty( &_POSIX_signals_Inactive_siginfo );
   }
 }
+
+RTEMS_SYSINIT_ITEM(
+  _POSIX_signals_Manager_Initialization,
+  RTEMS_SYSINIT_POSIX_SIGNALS,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);

cpukit/sapi/src/posixapi.c

@@ -64,7 +64,6 @@ void _POSIX_API_Initialize(void)
   _POSIX_Key_Manager_initialization();
 
   #ifdef RTEMS_POSIX_API
-    _POSIX_signals_Manager_Initialization();
     _POSIX_Threads_Manager_initialization();
     _POSIX_Condition_variables_Manager_initialization();
     _POSIX_Mutex_Manager_initialization();

cpukit/score/include/rtems/sysinit.h

@@ -42,6 +42,7 @@ extern "C" {
 #define RTEMS_SYSINIT_CLASSIC_DUAL_PORTED_MEMORY 000348
 #define RTEMS_SYSINIT_CLASSIC_RATE_MONOTONIC     000349
 #define RTEMS_SYSINIT_CLASSIC_BARRIER            00034a
+#define RTEMS_SYSINIT_POSIX_SIGNALS              000360
 #define RTEMS_SYSINIT_IDLE_THREADS               000380
 #define RTEMS_SYSINIT_BSP_LIBC                   000400
 #define RTEMS_SYSINIT_BEFORE_DRIVERS             000500

testsuites/sptests/spsysinit01/init.c

@@ -17,6 +17,7 @@
 #endif
 
 #include <assert.h>
+#include <string.h>
 #include <stdlib.h>
 
 #include <rtems.h>
@@ -25,6 +26,9 @@
 #include <rtems/test.h>
 
 #include <rtems/extensionimpl.h>
+#ifdef RTEMS_POSIX_API
+#include <rtems/posix/psignalimpl.h>
+#endif /* RTEMS_POSIX_API */
 #include <rtems/rtems/barrierimpl.h>
 #include <rtems/rtems/dpmemimpl.h>
 #include <rtems/rtems/messageimpl.h>
@@ -74,6 +78,10 @@ typedef enum {
   CLASSIC_RATE_MONOTONIC_POST,
   CLASSIC_BARRIER_PRE,
   CLASSIC_BARRIER_POST,
+#ifdef RTEMS_POSIX_API
+  POSIX_SIGNALS_PRE,
+  POSIX_SIGNALS_POST,
+#endif /* RTEMS_POSIX_API */
   IDLE_THREADS_PRE,
   IDLE_THREADS_POST,
   BSP_LIBC_PRE,
@@ -309,6 +317,34 @@ LAST(RTEMS_SYSINIT_CLASSIC_BARRIER)
   next_step(CLASSIC_BARRIER_POST);
 }
 
+#ifdef RTEMS_POSIX_API
+
+FIRST(RTEMS_SYSINIT_POSIX_SIGNALS)
+{
+  assert(
+    memcmp(
+      &_POSIX_signals_Vectors,
+      _POSIX_signals_Default_vectors,
+      sizeof(_POSIX_signals_Vectors)
+    ) != 0
+  );
+  next_step(POSIX_SIGNALS_PRE);
+}
+
+LAST(RTEMS_SYSINIT_POSIX_SIGNALS)
+{
+  assert(
+    memcmp(
+      &_POSIX_signals_Vectors,
+      _POSIX_signals_Default_vectors,
+      sizeof(_POSIX_signals_Vectors)
+    ) == 0
+  );
+  next_step(POSIX_SIGNALS_POST);
+}
+
+#endif /* RTEMS_POSIX_API */
+
 FIRST(RTEMS_SYSINIT_IDLE_THREADS)
 {
   assert(_System_state_Is_before_initialization(_System_state_Get()));