30 lines
515 B
C
30 lines
515 B
C
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#include "userlib/syscall.h"
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#include "userlib/libnachos.h"
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LockId mutex;
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int glob_int = 0;
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void increment(void){
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LockAcquire(mutex);
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glob_int++;
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LockRelease(mutex);
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}
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void counter(int n){
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for (int i = 0; i < 50; i++){
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increment();
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}
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}
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int main(void){
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mutex = LockCreate("Lock_debug");
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ThreadId th1 = threadCreate("Thread1", (VoidNoArgFunctionPtr) counter);
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ThreadId th2 = threadCreate("Thread2",(VoidNoArgFunctionPtr) counter);
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Join(th1);
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Join(th2);
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Exit(glob_int);
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return 0;
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}
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