Attachment 98190 Details for Bug 137056 – sched.cxx.txt

sched.cxx.txt

sched.cxx.txt (text/plain), 2.08 KB, created by Václav Haisman on 2009-07-24 18:27:26 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Václav Haisman

Created: 2009-07-24 18:27:26 UTC

Size: 2.08 KB

patch

obsolete

>#include <pthread.h>
>#include <cerrno>
>#include <iostream>
>
>#define S2(X) #X
>
>#define S(X) S2(X)
>
>
>#define CHECK2(X,E) do {                             \
>    int ret;                                         \
>    ret = (X);                                       \
>    std::cout << #X ":" S(__LINE__) ": \t" << ret;   \
>    if (ret == (E))                                  \
>      std::cout << ", errno: " << errno;             \
>    std::cout << std::endl;                          \
>  } while (0)
>
>
>#define CHECKM1(X) CHECK2(X, -1)
>
>
>#define CHECKOK(X,E) do {                            \
>    int ret;                                         \
>    ret = (X);                                       \
>    std::cout << #X ":" S(__LINE__) ": \t" << ret;   \
>    if (ret != (E))                                  \
>      std::cout << ", errno: " << ret;               \
>    std::cout << std::endl;                          \
>  } while (0)
>
>
>#define CHECK(X) CHECKOK(X, 0)
>
>
>#define PRINT(X) do {                           \
>  std::cout << #X ": \t" << (X) << std::endl;   \
>} while (0)
>
>
>void * nothing (void *)
>{ }
>
>
>void
>test_schedparam (int policy)
>{
>  int prio;
>  pthread_attr_t attr;
>  struct sched_param schp = {};
>  pthread_t * thr;
>
>  std::cout << "policy: " << policy << std::endl;
>
>  CHECK (pthread_attr_init (&attr));
>  CHECK (pthread_attr_setschedpolicy (&attr, policy));
>
>  CHECKM1 (prio = sched_get_priority_min (policy));
>  schp.sched_priority = prio;
>  CHECK (pthread_attr_setschedparam (&attr, &schp));
>
>  thr = new pthread_t;
>  CHECKOK (pthread_create (thr, &attr, nothing, 0), 0);
>
>  CHECKM1 (prio = sched_get_priority_max (policy));
>  schp.sched_priority = prio;
>  CHECK (pthread_attr_setschedparam (&attr, &schp));
>
>  thr = new pthread_t;
>  CHECKOK (pthread_create (thr, &attr, nothing, 0), 0);
>
>  pthread_attr_destroy (&attr);
>
>  std::cout << "\n" << std::endl;
>}
>
>
>int
>main ()
>{
>  PRINT (SCHED_FIFO);
>  PRINT (SCHED_OTHER);
>  PRINT (SCHED_RR);
>
>  test_schedparam (SCHED_FIFO);
>  test_schedparam (SCHED_OTHER);
>  test_schedparam (SCHED_RR);
>
>  PRINT (EPERM);
>  PRINT (EINVAL);
>  PRINT (ENOSYS);
>  PRINT (ESRCH);
>}

Actions: View

Attachments on bug 137056: 98189 | 98190