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-rw-r--r--include/libc/libc_ioctl.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/libc/libc_ioctl.h b/include/libc/libc_ioctl.h
index 812a119507..516c56b1f4 100644
--- a/include/libc/libc_ioctl.h
+++ b/include/libc/libc_ioctl.h
@@ -16,7 +16,7 @@
#define _IOC_WRITE 1U
#define _IOC_READ 2U
-#ifndef _WIN32
+#if !defined (_WIN32) && !defined (__TASKING__)
#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))