1 | /* Copyright (C) 2008-2024 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 <errno.h> |
19 | #include <pthread.h> |
20 | #include <stdio.h> |
21 | #include <time.h> |
22 | #include <unistd.h> |
23 | |
24 | |
25 | #if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0 |
26 | static int |
27 | check (pthread_condattr_t *condattr, int pshared, clockid_t cl) |
28 | { |
29 | clockid_t cl2; |
30 | if (pthread_condattr_getclock (attr: condattr, clock_id: &cl2) != 0) |
31 | { |
32 | puts (s: "condattr_getclock failed" ); |
33 | return 1; |
34 | } |
35 | if (cl != cl2) |
36 | { |
37 | printf (format: "condattr_getclock returned wrong value: %d, expected %d\n" , |
38 | (int) cl2, (int) cl); |
39 | return 1; |
40 | } |
41 | |
42 | int p; |
43 | if (pthread_condattr_getpshared (attr: condattr, pshared: &p) != 0) |
44 | { |
45 | puts (s: "condattr_getpshared failed" ); |
46 | return 1; |
47 | } |
48 | else if (p != pshared) |
49 | { |
50 | printf (format: "condattr_getpshared returned wrong value: %d, expected %d\n" , |
51 | p, pshared); |
52 | return 1; |
53 | } |
54 | |
55 | return 0; |
56 | } |
57 | |
58 | static int |
59 | run_test (clockid_t cl) |
60 | { |
61 | pthread_condattr_t condattr; |
62 | |
63 | printf (format: "clock = %d\n" , (int) cl); |
64 | |
65 | if (pthread_condattr_init (attr: &condattr) != 0) |
66 | { |
67 | puts (s: "condattr_init failed" ); |
68 | return 1; |
69 | } |
70 | |
71 | if (check (condattr: &condattr, PTHREAD_PROCESS_PRIVATE, CLOCK_REALTIME)) |
72 | return 1; |
73 | |
74 | if (pthread_condattr_setpshared (attr: &condattr, PTHREAD_PROCESS_SHARED) != 0) |
75 | { |
76 | puts (s: "1st condattr_setpshared failed" ); |
77 | return 1; |
78 | } |
79 | |
80 | if (check (condattr: &condattr, PTHREAD_PROCESS_SHARED, CLOCK_REALTIME)) |
81 | return 1; |
82 | |
83 | if (pthread_condattr_setclock (attr: &condattr, clock_id: cl) != 0) |
84 | { |
85 | puts (s: "1st condattr_setclock failed" ); |
86 | return 1; |
87 | } |
88 | |
89 | if (check (condattr: &condattr, PTHREAD_PROCESS_SHARED, cl)) |
90 | return 1; |
91 | |
92 | if (pthread_condattr_setpshared (attr: &condattr, PTHREAD_PROCESS_PRIVATE) != 0) |
93 | { |
94 | puts (s: "2nd condattr_setpshared failed" ); |
95 | return 1; |
96 | } |
97 | |
98 | if (check (condattr: &condattr, PTHREAD_PROCESS_PRIVATE, cl)) |
99 | return 1; |
100 | |
101 | if (pthread_condattr_setclock (attr: &condattr, CLOCK_REALTIME) != 0) |
102 | { |
103 | puts (s: "2nd condattr_setclock failed" ); |
104 | return 1; |
105 | } |
106 | |
107 | if (check (condattr: &condattr, PTHREAD_PROCESS_PRIVATE, CLOCK_REALTIME)) |
108 | return 1; |
109 | |
110 | if (pthread_condattr_setclock (attr: &condattr, clock_id: cl) != 0) |
111 | { |
112 | puts (s: "3rd condattr_setclock failed" ); |
113 | return 1; |
114 | } |
115 | |
116 | if (check (condattr: &condattr, PTHREAD_PROCESS_PRIVATE, cl)) |
117 | return 1; |
118 | |
119 | if (pthread_condattr_setpshared (attr: &condattr, PTHREAD_PROCESS_SHARED) != 0) |
120 | { |
121 | puts (s: "3rd condattr_setpshared failed" ); |
122 | return 1; |
123 | } |
124 | |
125 | if (check (condattr: &condattr, PTHREAD_PROCESS_SHARED, cl)) |
126 | return 1; |
127 | |
128 | if (pthread_condattr_setclock (attr: &condattr, CLOCK_REALTIME) != 0) |
129 | { |
130 | puts (s: "4th condattr_setclock failed" ); |
131 | return 1; |
132 | } |
133 | |
134 | if (check (condattr: &condattr, PTHREAD_PROCESS_SHARED, CLOCK_REALTIME)) |
135 | return 1; |
136 | |
137 | if (pthread_condattr_destroy (attr: &condattr) != 0) |
138 | { |
139 | puts (s: "condattr_destroy failed" ); |
140 | return 1; |
141 | } |
142 | |
143 | return 0; |
144 | } |
145 | #endif |
146 | |
147 | |
148 | static int |
149 | do_test (void) |
150 | { |
151 | #if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1 |
152 | |
153 | puts ("_POSIX_CLOCK_SELECTION not supported, test skipped" ); |
154 | return 0; |
155 | |
156 | #else |
157 | |
158 | int res = run_test (CLOCK_REALTIME); |
159 | |
160 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
161 | # if _POSIX_MONOTONIC_CLOCK == 0 |
162 | int e = sysconf (_SC_MONOTONIC_CLOCK); |
163 | if (e < 0) |
164 | puts (s: "CLOCK_MONOTONIC not supported" ); |
165 | else if (e == 0) |
166 | { |
167 | puts (s: "sysconf (_SC_MONOTONIC_CLOCK) must not return 0" ); |
168 | res = 1; |
169 | } |
170 | else |
171 | # endif |
172 | res |= run_test (CLOCK_MONOTONIC); |
173 | # else |
174 | puts ("_POSIX_MONOTONIC_CLOCK not defined" ); |
175 | # endif |
176 | |
177 | return res; |
178 | #endif |
179 | } |
180 | |
181 | #define TEST_FUNCTION do_test () |
182 | #include "../test-skeleton.c" |
183 | |