func SysvShmDetach(data []byte) error {
	if len(data) == 0 {
		return EINVAL
	}

	return shmdt(uintptr(unsafe.Pointer(&data[0])))
}

// SysvShmGet returns the Sysv shared memory identifier associated with key.
// If the IPC_CREAT flag is specified a new segment is created.
func SysvShmGet(key, size, flag int) (id int, err error) {
	return shmget(key, size, flag)

	SYS_SHMAT                = 228 // { void *|sys||shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                = 230 // { int|sys||shmdt(const void *shmaddr); }
	SYS_SHMGET               = 231 // { int|sys||shmget(key_t key, size_t size, int shmflg); }

	SYS_SHMAT                = 228 // { void *|sys||shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                = 230 // { int|sys||shmdt(const void *shmaddr); }
	SYS_SHMGET               = 231 // { int|sys||shmget(key_t key, size_t size, int shmflg); }

	SYS_SHMAT                = 228 // { void *|sys||shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                = 230 // { int|sys||shmdt(const void *shmaddr); }
	SYS_SHMGET               = 231 // { int|sys||shmget(key_t key, size_t size, int shmflg); }

	SYS_SHMAT                  = 228 // { caddr_t shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMCTL                 = 229 // { int shmctl(int shmid, int cmd, struct shmid_ds *buf); }
	SYS_SHMDT                  = 230 // { int shmdt(const void *shmaddr); }
	SYS_SHMGET                 = 231 // { int shmget(key_t key, size_t size, int shmflg); }

	SYS_SHMAT                = 228 // { void *|sys||shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                = 230 // { int|sys||shmdt(const void *shmaddr); }
	SYS_SHMGET               = 231 // { int|sys||shmget(key_t key, size_t size, int shmflg); }

	SYS_SHMAT                    = 228 // { int shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                    = 230 // { int shmdt(const void *shmaddr); }
	SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }

	SYS_SHMAT                    = 228 // { int shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                    = 230 // { int shmdt(const void *shmaddr); }
	SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }

	}
}

//sys	sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)

//sys	shmat(id int, addr uintptr, flag int) (ret uintptr, err error)
//sys	shmctl(id int, cmd int, buf *SysvShmDesc) (result int, err error)
//sys	shmdt(addr uintptr) (err error)
//sys	shmget(key int, size int, flag int) (id int, err error)

/*
 * Exposed directly
 */

	SYS_SHMAT                    = 228 // { int shmat(int shmid, const void *shmaddr, int shmflg); }
	SYS_SHMDT                    = 230 // { int shmdt(const void *shmaddr); }
	SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }