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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24
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25 TEST_IMPL(get_memory) {
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26 uint64_t free_mem = uv_get_free_memory();
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27 uint64_t total_mem = uv_get_total_memory();
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28 uint64_t constrained_mem = uv_get_constrained_memory();
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29 uint64_t available_mem = uv_get_available_memory();
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30
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31 printf("free_mem=%llu, total_mem=%llu, constrained_mem=%llu, "
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32 "available_mem=%llu\n",
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33 (unsigned long long) free_mem,
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34 (unsigned long long) total_mem,
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35 (unsigned long long) constrained_mem,
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36 (unsigned long long) available_mem);
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37
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38 ASSERT_GT(free_mem, 0);
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39 ASSERT_GT(total_mem, 0);
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40 /* On IBMi PASE, the amount of memory in use is always zero. */
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41 #ifdef __PASE__
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42 ASSERT_EQ(total_mem, free_mem);
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43 #else
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44 ASSERT_GT(total_mem, free_mem);
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45 #endif
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46 ASSERT_LE(available_mem, total_mem);
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47 /* we'd really want to test if available <= free, but that is fragile:
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48 * with no limit set, get_available calls and returns get_free; so if
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49 * any memory was freed between our calls to get_free and get_available
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50 * we would fail such a test test (as observed on CI).
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51 */
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52 return 0;
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53 }
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