Files
MIT6.828_OS/xv6-public/spinlock.h
2019-07-06 15:59:43 +08:00

12 lines
315 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.
uint pcs[10]; // The call stack (an array of program counters)
// that locked the lock.
};