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83 lines
2.9 KiB
83 lines
2.9 KiB
/* 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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TEST_IMPL(process_priority) { |
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int priority; |
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int r; |
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int i; |
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#if defined(__MVS__) |
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if (uv_os_setpriority(0, 0) == UV_ENOSYS) |
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RETURN_SKIP("functionality not supported on zOS"); |
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#endif |
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/* Verify that passing a NULL pointer returns UV_EINVAL. */ |
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r = uv_os_getpriority(0, NULL); |
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ASSERT(r == UV_EINVAL); |
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/* Verify that all valid values work. */ |
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for (i = UV_PRIORITY_HIGHEST; i <= UV_PRIORITY_LOW; i++) { |
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r = uv_os_setpriority(0, i); |
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/* If UV_EACCES is returned, the current user doesn't have permission to |
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set this specific priority. */ |
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if (r == UV_EACCES) |
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continue; |
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ASSERT(r == 0); |
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ASSERT(uv_os_getpriority(0, &priority) == 0); |
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/* Verify that the priority values match on Unix, and are range mapped |
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on Windows. */ |
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#ifndef _WIN32 |
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ASSERT(priority == i); |
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#else |
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/* On Windows, only elevated users can set UV_PRIORITY_HIGHEST. Other |
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users will silently be set to UV_PRIORITY_HIGH. */ |
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if (i < UV_PRIORITY_HIGH) |
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ASSERT(priority == UV_PRIORITY_HIGHEST || priority == UV_PRIORITY_HIGH); |
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else if (i < UV_PRIORITY_ABOVE_NORMAL) |
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ASSERT(priority == UV_PRIORITY_HIGH); |
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else if (i < UV_PRIORITY_NORMAL) |
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ASSERT(priority == UV_PRIORITY_ABOVE_NORMAL); |
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else if (i < UV_PRIORITY_BELOW_NORMAL) |
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ASSERT(priority == UV_PRIORITY_NORMAL); |
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else if (i < UV_PRIORITY_LOW) |
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ASSERT(priority == UV_PRIORITY_BELOW_NORMAL); |
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else |
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ASSERT(priority == UV_PRIORITY_LOW); |
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#endif |
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/* Verify that the current PID and 0 are equivalent. */ |
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ASSERT(uv_os_getpriority(uv_os_getpid(), &r) == 0); |
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ASSERT(priority == r); |
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} |
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/* Verify that invalid priorities return UV_EINVAL. */ |
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ASSERT(uv_os_setpriority(0, UV_PRIORITY_HIGHEST - 1) == UV_EINVAL); |
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ASSERT(uv_os_setpriority(0, UV_PRIORITY_LOW + 1) == UV_EINVAL); |
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return 0; |
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}
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