1/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <pthread.h>
19#include <stdio.h>
20#include <unistd.h>
21#include <sys/types.h>
22
23
24static int global;
25
26static void *
27tf (void *a)
28{
29 global = 1;
30
31 return 0;
32}
33
34
35int
36do_test (void)
37{
38 pthread_t th;
39 pthread_attr_t at;
40
41 if (pthread_attr_init (attr: &at) != 0)
42 {
43 puts (s: "attr_init failed");
44 return 1;
45 }
46
47 if (pthread_attr_setschedpolicy (attr: &at, SCHED_OTHER) != 0)
48 {
49 puts (s: "attr_setschedpolicy failed");
50 return 1;
51 }
52
53 struct sched_param pa;
54 if (sched_getparam (pid: getpid (), param: &pa) != 0)
55 {
56 puts (s: "sched_getschedparam failed");
57 return 1;
58 }
59
60 if (pthread_attr_setschedparam (attr: &at, param: &pa) != 0)
61 {
62 puts (s: "attr_setschedparam failed");
63 return 1;
64 }
65
66 if (pthread_attr_setinheritsched (attr: &at, PTHREAD_EXPLICIT_SCHED) != 0)
67 {
68 puts (s: "attr_setinheritsched failed");
69 return 1;
70 }
71
72 if (pthread_create (newthread: &th, attr: &at, start_routine: tf, NULL) != 0)
73 {
74 puts (s: "create failed");
75 return 1;
76 }
77
78 int e = pthread_join (th: th, NULL);
79 if (e != 0)
80 {
81 printf (format: "join failed: %d\n", e);
82 return 1;
83 }
84
85 if (global == 0)
86 {
87 puts (s: "thread didn't run");
88 return 1;
89 }
90
91 return 0;
92}
93
94
95#define TEST_FUNCTION do_test ()
96#include "../test-skeleton.c"
97

source code of glibc/nptl/tst-sched1.c