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comparison uprogs/spinlock.h @ 0:ed10291ff195

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author mir3636
date Sun, 06 Jan 2019 19:27:03 +0900
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-1:000000000000 0:ed10291ff195
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