|
160
|
1 /* Copyright libuv contributors. All rights reserved.
|
|
|
2 *
|
|
|
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
4 * of this software and associated documentation files (the "Software"), to
|
|
|
5 * deal in the Software without restriction, including without limitation the
|
|
|
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
|
7 * sell copies of the Software, and to permit persons to whom the Software is
|
|
|
8 * furnished to do so, subject to the following conditions:
|
|
|
9 *
|
|
|
10 * The above copyright notice and this permission notice shall be included in
|
|
|
11 * all copies or substantial portions of the Software.
|
|
|
12 *
|
|
|
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
|
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
|
19 * IN THE SOFTWARE.
|
|
|
20 */
|
|
|
21
|
|
|
22 #include "uv.h"
|
|
|
23 #include "task.h"
|
|
|
24
|
|
|
25
|
|
|
26 TEST_IMPL(process_priority) {
|
|
|
27 int priority;
|
|
|
28 int r;
|
|
|
29 int i;
|
|
|
30
|
|
|
31 #if defined(__MVS__)
|
|
|
32 if (uv_os_setpriority(0, 0) == UV_ENOSYS)
|
|
|
33 RETURN_SKIP("functionality not supported on zOS");
|
|
|
34 #endif
|
|
|
35
|
|
|
36 /* Verify that passing a NULL pointer returns UV_EINVAL. */
|
|
|
37 r = uv_os_getpriority(0, NULL);
|
|
|
38 ASSERT_EQ(r, UV_EINVAL);
|
|
|
39
|
|
|
40 /* Verify that all valid values work. */
|
|
|
41 for (i = UV_PRIORITY_HIGHEST; i <= UV_PRIORITY_LOW; i++) {
|
|
|
42 r = uv_os_setpriority(0, i);
|
|
|
43
|
|
|
44 /* If UV_EACCES is returned, the current user doesn't have permission to
|
|
|
45 set this specific priority. */
|
|
|
46 if (r == UV_EACCES)
|
|
|
47 continue;
|
|
|
48
|
|
|
49 ASSERT_OK(r);
|
|
|
50 ASSERT_OK(uv_os_getpriority(0, &priority));
|
|
|
51
|
|
|
52 /* Verify that the priority values match on Unix, and are range mapped
|
|
|
53 on Windows. */
|
|
|
54 #ifndef _WIN32
|
|
|
55 ASSERT_EQ(priority, i);
|
|
|
56 #else
|
|
|
57 /* On Windows, only elevated users can set UV_PRIORITY_HIGHEST. Other
|
|
|
58 users will silently be set to UV_PRIORITY_HIGH. */
|
|
|
59 if (i < UV_PRIORITY_HIGH)
|
|
|
60 ASSERT(priority == UV_PRIORITY_HIGHEST || priority == UV_PRIORITY_HIGH);
|
|
|
61 else if (i < UV_PRIORITY_ABOVE_NORMAL)
|
|
|
62 ASSERT_EQ(priority, UV_PRIORITY_HIGH);
|
|
|
63 else if (i < UV_PRIORITY_NORMAL)
|
|
|
64 ASSERT_EQ(priority, UV_PRIORITY_ABOVE_NORMAL);
|
|
|
65 else if (i < UV_PRIORITY_BELOW_NORMAL)
|
|
|
66 ASSERT_EQ(priority, UV_PRIORITY_NORMAL);
|
|
|
67 else if (i < UV_PRIORITY_LOW)
|
|
|
68 ASSERT_EQ(priority, UV_PRIORITY_BELOW_NORMAL);
|
|
|
69 else
|
|
|
70 ASSERT_EQ(priority, UV_PRIORITY_LOW);
|
|
|
71 #endif
|
|
|
72
|
|
|
73 /* Verify that the current PID and 0 are equivalent. */
|
|
|
74 ASSERT_OK(uv_os_getpriority(uv_os_getpid(), &r));
|
|
|
75 ASSERT_EQ(priority, r);
|
|
|
76 }
|
|
|
77
|
|
|
78 /* Verify that invalid priorities return UV_EINVAL. */
|
|
|
79 ASSERT_EQ(uv_os_setpriority(0, UV_PRIORITY_HIGHEST - 1), UV_EINVAL);
|
|
|
80 ASSERT_EQ(uv_os_setpriority(0, UV_PRIORITY_LOW + 1), UV_EINVAL);
|
|
|
81
|
|
|
82 return 0;
|
|
|
83 }
|
