Mercurial > hg > Members > innparusu > xv6_rpi_port
annotate uprogs/spinlock.h @ 11:0157781eb6c2 default tip
add entry point
author | mir3636 |
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date | Tue, 25 Dec 2018 19:06:09 +0900 |
parents | c450faca55f4 |
children |
rev | line source |
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0 | 1 // Mutual exclusion lock. |
2 struct spinlock { | |
3 uint locked; // Is the lock held? | |
4 | |
5 // For debugging: | |
6 char *name; // Name of lock. | |
7 struct cpu *cpu; // The cpu holding the lock. | |
8 uint pcs[10]; // The call stack (an array of program counters) | |
9 // that locked the lock. | |
10 }; | |
11 |