view src/spinlock.h @ 47:233a68a261fe

ifdef cbcxv6
author mir3636
date Thu, 07 Mar 2019 19:42:27 +0900 (2019-03-07)
parents 83c23a36980d
children
line wrap: on
line source
// 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.
};