10 lines
310 B
C
10 lines
310 B
C
// Mutual exclusion lock.
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struct spinlock {
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uint locked; // Is the lock held?
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// For debugging:
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char *name; // Name of lock.
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int cpu; // The number of the cpu holding the lock.
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uint pcs[10]; // The call stack (an array of program counters)
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// that locked the lock.
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};
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