source: trunk/packages/xen-common/xen-common/tools/libaio/harness/cases/common-7-8.h @ 34

/* common-7-8.h
*/
#include "aio_setup.h"

#include <unistd.h>

#define SIZE    512

int test_main(void)
{
        char *buf;
        int rwfd;
        int status = 0, res;
        long long limit;

        rwfd = open(FILENAME, O_RDWR);          assert(rwfd != -1);
        res = ftruncate(rwfd, 0);                       assert(res == 0);
        buf = malloc(SIZE);                             assert(buf != NULL);
        memset(buf, 0, SIZE);

        limit = LIMIT;

        SET_RLIMIT(limit);

        status |= attempt_rw(rwfd, buf, SIZE,   limit-SIZE, WRITE, SIZE);
        status |= attempt_rw(rwfd, buf, SIZE,   limit-SIZE,  READ, SIZE);

        status |= attempt_rw(rwfd, buf, SIZE, 1+limit-SIZE, WRITE, SIZE-1);
        status |= attempt_rw(rwfd, buf, SIZE, 1+limit-SIZE,  READ, SIZE-1);

        status |= attempt_rw(rwfd, buf, SIZE,        limit, WRITE, -EFBIG);
        status |= attempt_rw(rwfd, buf, SIZE,        limit,  READ,      0);
        status |= attempt_rw(rwfd, buf,    0,        limit, WRITE,      0);

        return status;
}