Module: Ioctl

Defined in:
lib/linux_input/ioctl.rb

Class Method Summary collapse

Class Method Details

.IO(type, nr) ⇒ Object 



9
 
# File 'lib/linux_input/ioctl.rb', line 9

def IO(type, nr)             IOC(IOC_NONE,             type, nr, 0) end

.IOC(dir, type, nr, size) ⇒ Object 



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# File 'lib/linux_input/ioctl.rb', line 5

def IOC(dir, type, nr, size)
  (dir << IOC_DIRSHIFT) | (type << IOC_TYPESHIFT) | (nr << IOC_NRSHIFT) | (size << IOC_SIZESHIFT)
end

.IOC_DIR(nr) ⇒ Object 



17
 
# File 'lib/linux_input/ioctl.rb', line 17

def IOC_DIR(nr)  (nr >> IOC_DIRSHIFT)  & IOC_DIRMASK  end

.IOC_NR(nr) ⇒ Object 



19
 
# File 'lib/linux_input/ioctl.rb', line 19

def IOC_NR(nr)   (nr >> IOC_NRSHIFT)   & IOC_NRMASK   end

.IOC_SIZE(nr) ⇒ Object 



20
 
# File 'lib/linux_input/ioctl.rb', line 20

def IOC_SIZE(nr) (nr >> IOC_SIZESHIFT) & IOC_SIZEMASK end

.IOC_TYPE(nr) ⇒ Object 



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# File 'lib/linux_input/ioctl.rb', line 18

def IOC_TYPE(nr) (nr >> IOC_TYPESHIFT) & IOC_TYPEMASK end

.IOR(type, nr, size) ⇒ Object 



10
 
# File 'lib/linux_input/ioctl.rb', line 10

def IOR(type, nr, size)      IOC(IOC_READ,             type, nr, FFI.type_size(size)) end

.IOR_BAD(type, nr, size) ⇒ Object 



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# File 'lib/linux_input/ioctl.rb', line 13

def IOR_BAD(type, nr, size)  IOC(IOC_READ,             type, nr, FFI.type_size(size)) end

.IOW(type, nr, size) ⇒ Object 



11
 
# File 'lib/linux_input/ioctl.rb', line 11

def IOW(type, nr, size)      IOC(IOC_WRITE,            type, nr, FFI.type_size(size)) end

.IOW_BAD(type, nr, size) ⇒ Object 



14
 
# File 'lib/linux_input/ioctl.rb', line 14

def IOW_BAD(type, nr, size)  IOC(IOC_WRITE,            type, nr, FFI.type_size(size)) end

.IOWR(type, nr, size) ⇒ Object 



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# File 'lib/linux_input/ioctl.rb', line 12

def IOWR(type, nr, size)     IOC(IOC_READ | IOC_WRITE, type, nr, FFI.type_size(size)) end

.IOWR_BAD(type, nr, size) ⇒ Object 



15
 
# File 'lib/linux_input/ioctl.rb', line 15

def IOWR_BAD(type, nr, size) IOC(IOC_READ | IOC_WRITE, type, nr, FFI.type_size(size)) end