Mercurial > hg > CbC > CbC_xv6

annotate src/spinlock.h @ 182:d00a1d0758cb

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tweak
author anatofuz
date Mon, 20 Jan 2020 17:30:08 +0900
parents 7c200a8328fa
children 3f243b59bcee
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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1 // Mutual exclusion lock.
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2 #ifndef SPINLOCK_H
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Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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3 struct spinlock {
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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4 uint locked; // Is the lock held?
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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5
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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6 // For debugging:
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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7 char *name; // Name of lock.
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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8 struct cpu *cpu; // The cpu holding the lock.
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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9 uint pcs[10]; // The call stack (an array of program counters)
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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10 // that locked the lock.
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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11 };
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12 #endif // SPINLOCK_H
7c200a8328fa fix user malloc and spinlock redefinition
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13 #define SPINLOCK_H