105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
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/* Copyright libuv contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> /* memset */
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#ifdef __POSIX__
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#include <pthread.h>
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#include <errno.h>
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#endif
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <unistd.h>
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#endif
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uv_sem_t sem;
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static void simple_task(void *args) {
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uv_sem_wait(&sem);
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printf("in simple_task\n");
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}
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TEST_IMPL(thread_priority) {
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int priority;
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#ifndef _WIN32
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int min;
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int max;
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int policy;
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struct sched_param param;
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#endif
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uv_thread_t task_id;
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/* Verify that passing a NULL pointer returns UV_EINVAL. */
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ASSERT_EQ(UV_EINVAL, uv_thread_getpriority(0, NULL));
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ASSERT_OK(uv_sem_init(&sem, 1));
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uv_sem_wait(&sem);
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ASSERT_OK(uv_thread_create(&task_id, simple_task, NULL));
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ASSERT_OK(uv_thread_getpriority(task_id, &priority));
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#ifdef _WIN32
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ASSERT_EQ(priority, THREAD_PRIORITY_NORMAL);
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#else
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ASSERT_OK(pthread_getschedparam(task_id, &policy, ¶m));
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#ifdef __PASE__
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min = 1;
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max = 127;
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#else
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min = sched_get_priority_min(policy);
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max = sched_get_priority_max(policy);
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#endif
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ASSERT(priority >= min && priority <= max);
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#endif
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ASSERT_OK(uv_thread_setpriority(task_id, UV_THREAD_PRIORITY_LOWEST));
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ASSERT_OK(uv_thread_getpriority(task_id, &priority));
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#ifdef _WIN32
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ASSERT_EQ(priority, THREAD_PRIORITY_LOWEST);
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#else
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ASSERT_EQ(priority, min);
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#endif
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/**
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* test set nice value for the calling thread with default schedule policy
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*/
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#ifdef __linux__
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ASSERT_OK(uv_thread_getpriority(pthread_self(), &priority));
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ASSERT_EQ(priority, 0);
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ASSERT_OK(uv_thread_setpriority(pthread_self(), UV_THREAD_PRIORITY_LOWEST));
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ASSERT_OK(uv_thread_getpriority(pthread_self(), &priority));
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ASSERT_EQ(priority, (0 - UV_THREAD_PRIORITY_LOWEST * 2));
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#endif
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uv_sem_post(&sem);
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ASSERT_OK(uv_thread_join(&task_id));
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uv_sem_destroy(&sem);
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return 0;
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}
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