36 lines
511 B
C
36 lines
511 B
C
/* $NetBSD: once1.c,v 1.1 2003/01/30 19:32:00 thorpej Exp $ */
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#include <assert.h>
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#include <err.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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pthread_once_t once = PTHREAD_ONCE_INIT;
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static int x;
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void ofunc(void);
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int
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main(int argc, char *argv[])
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{
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printf("1: Test 1 of pthread_once()\n");
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pthread_once(&once, ofunc);
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pthread_once(&once, ofunc);
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printf("1: X has value %d\n",x );
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assert(x == 1);
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return 0;
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}
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void
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ofunc(void)
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{
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printf("Variable x has value %d\n", x);
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x++;
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}
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