Prepared RTEMS 4.10 posix with network

modules/libcom/src/osi/os/RTEMS-posix/osdMutex.c

@@ -1,6 +1,8 @@
 #include <rtems.h>
 #include <rtems/error.h>
 #include <rtems/rtems/tasks.h>
+#ifndef RTEMS_LEGACY_STACK
 #include <rtems/score/threadimpl.h>
+#endif
 
-#include "../posix/osdMutex.c"
+#include "../posix/osdMutex.c"

modules/libcom/src/osi/os/RTEMS-posix/osdPoolStatus.c

@@ -13,6 +13,21 @@
 #define epicsExportSharedSymbols
 #include "osiPoolStatus.h"
 
+#if __RTEMS_MAJOR__<5
+/*
+ *  * osiSufficentSpaceInPool ()
+ *   */
+LIBCOM_API int epicsStdCall osiSufficentSpaceInPool ( size_t contiguousBlockSize )
+{
+	    rtems_malloc_statistics_t s;
+	        unsigned long n;
+
+		    malloc_get_statistics(&s);
+		        n = s.space_available - (unsigned long)(s.lifetime_allocated - s.lifetime_freed);
+			    return (n > (50000 + contiguousBlockSize));
+}
+
+#else
 /*
  * osiSufficentSpaceInPool ()
  */
@@ -25,3 +40,4 @@ LIBCOM_API int epicsStdCall osiSufficentSpaceInPool ( size_t contiguousBlockSize
     n = info.Stats.size - (unsigned long)(info.Stats.lifetime_allocated - info.Stats.lifetime_freed);
     return (n > (50000 + contiguousBlockSize));
 }
+#endif

modules/libcom/src/osi/os/RTEMS-posix/osdSock.h

@@ -28,7 +28,17 @@
 #include <netdb.h>
 #include <unistd.h> /* close() and others */
 
+#ifdef RTEMS_LEGACY_STACK
+#ifdef __cplusplus
+extern "C" {
+#endif
 
+int select(int  n,  fd_set  *readfds,  fd_set  *writefds, fd_set *exceptfds, struct timeval *timeout);
+
+#ifdef __cplusplus
+}
+#endif
+#endif // LEGACY_STACK
 typedef int                     SOCKET;
 #define INVALID_SOCKET          (-1)
 #define SOCKERRNO               errno

modules/libcom/src/osi/os/posix/osdFindSymbol.c

@@ -7,9 +7,29 @@
 \*************************************************************************/
 /* osi/os/posix/osdFindSymbol.c */
 
+#include "epicsFindSymbol.h"
+
+/* RTEMS posix but without libbsd */
+#ifdef RTEMS_LEGACY_STACK
+LIBCOM_API void * epicsLoadLibrary(const char *name)
+{
+	    return 0;
+}
+
+LIBCOM_API const char *epicsLoadError(void)
+{
+	    return "epicsLoadLibrary not implemented";
+}
+
+LIBCOM_API void * epicsStdCall epicsFindSymbol(const char *name)
+{
+	    return 0;
+}
+
+#else
+
 #include <dlfcn.h>
 
-#include "epicsFindSymbol.h"
 
 /* non-POSIX extension available on Linux (glibc at least) and OSX.
  */
@@ -31,3 +51,4 @@ LIBCOM_API void * epicsStdCall epicsFindSymbol(const char *name)
 {
     return dlsym(RTLD_DEFAULT, name);
 }
+#endif // RTEMS_LEGACY_STACK

modules/libcom/src/osi/os/posix/osdThread.c

@@ -25,7 +25,9 @@
 #include <unistd.h>
 
 #if defined(_POSIX_MEMLOCK) && _POSIX_MEMLOCK > 0
-#include <sys/mman.h>
+#ifndef RTEMS_LEGACY_STACK // seems to be part of libbsd?
+#include <sys/mman.h> 
+#endif // LEGACY STACK
 #endif
 
 #include "epicsStdio.h"
@@ -426,6 +428,7 @@ LIBCOM_API
 void epicsThreadRealtimeLock(void)
 {
 #if defined(_POSIX_MEMLOCK) && _POSIX_MEMLOCK > 0
+#ifndef RTEMS_LEGACY_STACK // seems to be part of libbsd?
     if (pcommonAttr->maxPriority > pcommonAttr->minPriority) {
         int status = mlockall(MCL_CURRENT | MCL_FUTURE);
 
@@ -450,6 +453,7 @@ void epicsThreadRealtimeLock(void)
             }
         }
     }
+#endif // LEGACY STACK
 #endif
 }