113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <pthread.h>
|
|
#include <unistd.h>
|
|
#include <limits.h>
|
|
#include <sys/mman.h>
|
|
|
|
static pthread_mutex_t synch = PTHREAD_MUTEX_INITIALIZER;
|
|
|
|
static void *
|
|
test_thread (void *v_param)
|
|
{
|
|
pthread_mutex_lock (&synch);
|
|
return NULL;
|
|
}
|
|
|
|
#define STACKSIZE 0x100000
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
pthread_t thread;
|
|
pthread_attr_t attr;
|
|
int status;
|
|
void *stack, *stack2;
|
|
size_t stacksize;
|
|
|
|
pthread_attr_init (&attr);
|
|
stack = mmap (NULL, STACKSIZE,
|
|
PROT_READ | PROT_WRITE | PROT_EXEC,
|
|
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
|
|
|
|
if (stack == MAP_FAILED)
|
|
{
|
|
perror ("mmap failed");
|
|
return 1;
|
|
}
|
|
|
|
status = pthread_attr_setstack (&attr, stack, STACKSIZE);
|
|
if (status != 0)
|
|
{
|
|
printf ("pthread_attr_setstack failed: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
status = pthread_attr_getstack (&attr, &stack2, &stacksize);
|
|
if (status != 0)
|
|
{
|
|
printf ("pthread_attr_getstack failed: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
if (stack2 != stack || stacksize != STACKSIZE)
|
|
{
|
|
printf ("first pthread_attr_getstack returned different stack (%p,%zx)\n"
|
|
"than was set by setstack (%p,%x)\n",
|
|
stack2, stacksize, stack, STACKSIZE);
|
|
return 2;
|
|
}
|
|
|
|
status = pthread_mutex_lock (&synch);
|
|
if (status != 0)
|
|
{
|
|
printf ("cannot get lock: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
status = pthread_create (&thread, &attr, test_thread, NULL);
|
|
if (status != 0)
|
|
{
|
|
printf ("pthread_create failed: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
status = pthread_getattr_np (thread, &attr);
|
|
if (status != 0)
|
|
{
|
|
printf ("pthread_getattr_np failed: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
status = pthread_attr_getstack (&attr, &stack2, &stacksize);
|
|
if (status != 0)
|
|
{
|
|
printf ("pthread_attr_getstack failed: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
if (stack2 != stack || stacksize != STACKSIZE)
|
|
{
|
|
printf ("second pthread_attr_getstack returned different stack (%p,%zx)\n"
|
|
"than was set by setstack (%p,%x)\n",
|
|
stack2, stacksize, stack, STACKSIZE);
|
|
return 3;
|
|
}
|
|
|
|
status = pthread_mutex_unlock (&synch);
|
|
if (status != 0)
|
|
{
|
|
printf ("cannot release lock: %s\n", strerror (status));
|
|
return 1;
|
|
}
|
|
|
|
/* pthread_detach (thread); */
|
|
if (pthread_join (thread, NULL) != 0)
|
|
{
|
|
printf ("join failed\n");
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|