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| author | kaashoek <kaashoek> | 2006-07-06 21:47:22 +0000 |
|---|---|---|
| committer | kaashoek <kaashoek> | 2006-07-06 21:47:22 +0000 |
| commit | 7837c71b32fc716101a859302e0349061416bd6e (patch) | |
| tree | 57ec72178b980a3cd794b2f93bd021e08004368f /x86.h | |
| parent | b22d898297a2496ba4cfd31d445769fbebc0a46d (diff) | |
| download | xv6-labs-7837c71b32fc716101a859302e0349061416bd6e.tar.gz xv6-labs-7837c71b32fc716101a859302e0349061416bd6e.tar.bz2 xv6-labs-7837c71b32fc716101a859302e0349061416bd6e.zip | |
disable all interrupts when acquiring lock
user program that makes a blocking system call
Diffstat (limited to 'x86.h')
| -rw-r--r-- | x86.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -354,5 +354,6 @@ struct Trapframe { #define IRQ_OFFSET 32 // IRQ 0 corresponds to int IRQ_OFFSET +#define IRQ_IDE 14 #define IRQ_ERROR 19 #define IRQ_SPURIOUS 31 |