Mercurial > hg > CbC > CbC_xv6

annotate src/spinlock.h @ 395:17e8a4bc06a7 default tip

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add macOS AR/RANLIB
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 14 Dec 2020 21:59:50 +0900
parents 3f243b59bcee
children
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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kono
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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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3f243b59bcee move global variable in console.cbc to kernel_context
anatofuz
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12 #define SPINLOCK_H
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7c200a8328fa fix user malloc and spinlock redefinition
kono
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13 #endif // SPINLOCK_H