mirror of https://github.com/t1meshift/os_labs.git
37 lines
693 B
C
37 lines
693 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "mythreads.h"
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#include "main-header.h"
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#include "vector-header.h"
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int retry = 0;
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void vector_add(vector_t *v_dst, vector_t *v_src) {
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top:
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if (pthread_mutex_trylock(&v_dst->lock) != 0) {
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goto top;
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}
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if (pthread_mutex_trylock(&v_src->lock) != 0) {
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retry++;
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Pthread_mutex_unlock(&v_dst->lock);
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goto top;
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}
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int i;
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for (i = 0; i < VECTOR_SIZE; i++) {
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v_dst->values[i] = v_dst->values[i] + v_src->values[i];
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}
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Pthread_mutex_unlock(&v_dst->lock);
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Pthread_mutex_unlock(&v_src->lock);
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}
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void fini() {
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printf("Retries: %d\n", retry);
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}
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#include "main-common.c"
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