fix sem funcs on 64bit arches

diff --git a/libc/misc/sysvipc/ipc.h b/libc/misc/sysvipc/ipc.h
index 105232f..071e55f 100644 (file)
--- a/libc/misc/sysvipc/ipc.h
+++ b/libc/misc/sysvipc/ipc.h
@@ -1,8 +1,13 @@
 #ifndef IPC_H
 #define IPC_H
 #include <syscall.h>
+#include <bits/wordsize.h>
 
-#define __IPC_64       0x100
+#if __WORDSIZE == 32
+# define __IPC_64      0x100
+#else
+# define __IPC_64      0x0
+#endif
 
 #ifdef __NR_ipc