diff --git a/src/dbtools/BSlib.c b/src/dbtools/BSlib.c
index d4bf1dba6..667fdf148 100644
--- a/src/dbtools/BSlib.c
+++ b/src/dbtools/BSlib.c
@@ -30,10 +30,14 @@
 #ifdef linux
 #include <sys/socketio.h>
 #else
+#ifdef CYGWIN32
+#include <osisock.h>
+#else
 #include <sys/sockio.h>
 #endif
 #endif
 #endif
+#endif
 #include <sys/time.h>
 #include <netdb.h>
 #include <fcntl.h>
@@ -75,9 +79,13 @@ static void get_child(int sig)
 {
 #ifdef SOLARIS
 	while(waitpid(-1,(int*)NULL,WNOHANG)>0);
+#else
+#ifdef CYGWIN32
+      while(waitpid(-1,(int*)NULL,WNOHANG)>0);
 #else
     while(wait3((int *)NULL,WNOHANG,(struct rusage *)NULL)>0);
 #endif
+#endif
 
 #if defined linux || defined SOLARIS
 	signal(SIGCHLD,get_child); /* for reaping children */