CMake/Modules/CheckForPthreads.c

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#include <pthread.h>
#include <stdio.h>
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#include <unistd.h>
void* runner(void*);
int res = 0;
#ifdef __CLASSIC_C__
int main(){
int ac;
char*av[];
#else
int main(int ac, char*av[]){
#endif
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pthread_t tid[2];
pthread_create(&tid[0], 0, runner, (void*)1);
pthread_create(&tid[1], 0, runner, (void*)2);
#if defined(__BEOS__) && !defined(__ZETA__) /* (no usleep on BeOS 5.) */
usleep(1); /* for strange behavior on single-processor sun */
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#endif
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pthread_join(tid[0], 0);
pthread_join(tid[1], 0);
if(ac > 1000){return *av[0];}
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return res;
}
void* runner(void* args)
{
int cc;
for ( cc = 0; cc < 10; cc ++ )
{
printf("%p CC: %d\n", args, cc);
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}
res ++;
return 0;
}