ipc: Restrict mounting the mqueue filesystem
[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / asm-generic / ioctl.h
1 #ifndef _ASM_GENERIC_IOCTL_H
2 #define _ASM_GENERIC_IOCTL_H
3
4 #include <uapi/asm-generic/ioctl.h>
5
6 /* provoke compile error for invalid uses of size argument */
7 extern unsigned int __invalid_size_argument_for_IOC;
8 #define _IOC_TYPECHECK(t) \
9         ((sizeof(t) == sizeof(t[1]) && \
10           sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
11           sizeof(t) : __invalid_size_argument_for_IOC)
12 #endif /* _ASM_GENERIC_IOCTL_H */