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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <pthread.h>
#define CHUNK_SIZE 16000 /* same as findcmd.c's */
#define BUF_SIZE (2 * CHUNK_SIZE) /* at least two chunks */
#define NUMTH 8
int8_t int8_search_buf[100];
int16_t int16_search_buf[100];
int32_t int32_search_buf[100];
int64_t int64_search_buf[100];
static char *search_buf;
static int search_buf_size;
int f2 (int a)
{
/* We use a `char[]' type below rather than the typical `char *'
to make sure that `str' gets allocated on the stack. Otherwise,
the compiler may place the "hello, testsuite" string inside
a read-only section, preventing us from over-writing it from GDB. */
char str[] = "hello, testsuite";
puts (str); /* Break here. */
return ++a;
}
int f1 (int a, int b)
{
return f2(a) + b;
}
static void
init_bufs ()
{
search_buf_size = BUF_SIZE;
search_buf = malloc (search_buf_size);
if (search_buf == NULL)
exit (1);
memset (search_buf, 'x', search_buf_size);
}
static void *
thread (void *param)
{
pthread_barrier_t *barrier = (pthread_barrier_t *) param;
pthread_barrier_wait (barrier);
return param;
}
static void
check_threads (pthread_barrier_t *barrier)
{
pthread_barrier_wait (barrier);
}
extern int
test_threads (void)
{
pthread_t threads[NUMTH];
pthread_barrier_t barrier;
int i;
pthread_barrier_init (&barrier, NULL, NUMTH + 1);
for (i = 0; i < NUMTH; ++i)
pthread_create (&threads[i], NULL, thread, &barrier);
check_threads (&barrier);
for (i = 0; i < NUMTH; ++i)
pthread_join (threads[i], NULL);
pthread_barrier_destroy (&barrier);
return 0;
}
int main (int argc, char *argv[])
{
test_threads ();
init_bufs ();
return f1 (1, 2);
}
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