Mercurial > hg > Members > innparusu > xv6-rpi
diff src/spinlock.h @ 0:83c23a36980d
Init
author | Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp> |
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date | Fri, 26 May 2017 23:11:05 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/spinlock.h Fri May 26 23:11:05 2017 +0900 @@ -0,0 +1,11 @@ +// 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. +}; +