You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.5 KiB
77 lines
1.5 KiB
/*
|
|
* Copyright 2002-2019 Intel Corporation.
|
|
*
|
|
* This software is provided to you as Sample Source Code as defined in the accompanying
|
|
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
|
|
* section 1.L.
|
|
*
|
|
* This software and the related documents are provided as is, with no express or implied
|
|
* warranties, other than those that are expressly stated in the License.
|
|
*/
|
|
|
|
#include <sched.h>
|
|
#include <sys/types.h>
|
|
#include <signal.h>
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
|
|
extern int Add2( int, int );
|
|
|
|
int a[100000];
|
|
int n = 10;
|
|
|
|
void * hello(void * arg)
|
|
{
|
|
int i,j;
|
|
|
|
for (j = 0; j < 1000; j++)
|
|
{
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
a[i] = 1;
|
|
}
|
|
usleep(1); //This will give up thread control
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define MAXTHREADS 1000
|
|
|
|
int threads_started;
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int numthreads = 0;
|
|
int i;
|
|
pthread_t threads[MAXTHREADS];
|
|
|
|
#if defined(i386)
|
|
asm("pusha;popa");
|
|
#endif
|
|
|
|
numthreads = 20;
|
|
assert(numthreads < MAXTHREADS);
|
|
|
|
for (threads_started = 0; threads_started < numthreads; threads_started++)
|
|
{
|
|
printf("Creating thread\n");
|
|
fflush(stdout);
|
|
pthread_create(threads+threads_started, 0, hello, 0);
|
|
fflush(stdout);
|
|
}
|
|
|
|
for (i = 0; i < numthreads; i++)
|
|
{
|
|
pthread_join(threads[i], 0);
|
|
printf("Joined %d, sum=%d\n", i, Add2(i,i));
|
|
}
|
|
printf("All threads joined\n");
|
|
|
|
return 0;
|
|
}
|
|
|