Add a dummy pthread_attr_setschedpolicy() for MinGW builds to fix a ENOTSUP failure.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/threading.c b/src/threading.c
index 85ee0c0..e6eb40e 100644
--- a/src/threading.c
+++ b/src/threading.c
@@ -522,6 +522,23 @@ bool_t THREAD_WAIT_IMPL( THREAD_T *ref, double secs)
   // On Linux, SCHED_RR and su privileges are required..  !-(
   //
   #include <errno.h>
+
+#       if defined(__MINGW32__) || defined(__MINGW64__)
+        // from the mingw-w64 team:
+        // Well, we support pthread_setschedparam by which you can specify
+        // threading-policy. Nevertheless, yes we lack this function. In
+        // general its implementation is pretty much trivial, as on Win32 target
+        // just SCHED_OTHER can be supported.
+        static int pthread_attr_setschedpolicy( pthread_attr_t* attr, int policy)
+        {
+                if( policy != SCHED_OTHER)
+                {
+                        return ENOTSUP;
+                }
+                return 0;
+        }
+#       endif // defined(__MINGW32__) || defined(__MINGW64__)
+
   //
   static void _PT_FAIL( int rc, const char *name, const char *file, uint_t line ) {
     const char *why= (rc==EINVAL) ? "EINVAL" :