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xv6-65oo2/kernel/fcntl.h

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low-level keyboard input (not hooked up to /dev yet) fix acquire() to cli() *before* incrementing nlock make T_SYSCALL a trap gate, not an interrupt gate sadly, various crashes if you hold down a keyboard key...
2006-08-10 02:07:10 +00:00
#define O_RDONLY 0x000
#define O_WRONLY 0x001
#define O_RDWR 0x002
nit
2007-08-28 04:13:24 +00:00
#define O_CREATE 0x200
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