xv6-65oo2/kernel/spinlock.h
Robert Morris 4bc900e78b nits
2019-07-10 14:54:34 -04:00

10 lines
199 B
C

// Mutual exclusion lock.
struct spinlock {
uint locked; // Is the lock held?
// For debugging:
char *name; // Name of lock.
struct cpu *cpu; // The cpu holding the lock.
};