direct-io.hg

changeset 2953:03f1a1522408

bitkeeper revision 1.1159.172.4 (4194e64dB1FWMrwVD84YzFri88ml-Q)

Add comment.
author cl349@freefall.cl.cam.ac.uk
date Fri Nov 12 16:35:25 2004 +0000 (2004-11-12)
parents 95ea58926f12
children 257ef1dc1ed4
files xen/include/xen/serial.h
line diff
     1.1 --- a/xen/include/xen/serial.h	Fri Nov 12 15:06:36 2004 +0000
     1.2 +++ b/xen/include/xen/serial.h	Fri Nov 12 16:35:25 2004 +0000
     1.3 @@ -41,8 +41,11 @@ void serial_puts(int handle, const unsig
     1.4   * will not return until a character is available. It can safely be
     1.5   * called with interrupts disabled.
     1.6   */
     1.7 +unsigned char serial_getc(int handle);
     1.8 +/* 
     1.9 + * Same as serial_getc but can also be called from interrupt handlers.
    1.10 + */
    1.11  unsigned char irq_serial_getc(int handle);
    1.12 -unsigned char serial_getc(int handle);
    1.13  
    1.14  void serial_force_unlock(int handle);
    1.15