--- rpl/src/instructions_d5.c	2011/03/06 16:44:10	1.48
+++ rpl/src/instructions_d5.c	2011/03/16 14:22:45	1.49
@@ -1282,6 +1282,7 @@ instruction_detach(struct_processus *s_e
 		}
 
 #		ifndef OS2
+#		ifndef Cygwin
 		if (pthread_attr_setschedpolicy(&attributs, SCHED_OTHER) != 0)
 		{
 			(*s_etat_processus).erreur_systeme = d_es_processus;
@@ -1301,6 +1302,7 @@ instruction_detach(struct_processus *s_e
 			return;
 		}
 #		endif
+#		endif
 
 		(*s_argument_thread).s_etat_processus = s_etat_processus;