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1 /* Copyright libuv 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 #include <stdlib.h>
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25 #include <string.h>
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26
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27 static int limit;
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28 static int alloc;
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29
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30 static void* t_realloc(void* p, size_t n) {
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31 alloc += n;
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32 if (alloc > limit)
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33 return NULL;
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34 p = realloc(p, n);
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35 ASSERT_NOT_NULL(p);
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36 return p;
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37 }
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38
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39 static void* t_calloc(size_t m, size_t n) {
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40 return t_realloc(NULL, m * n);
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41 }
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42
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43 static void* t_malloc(size_t n) {
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44 return t_realloc(NULL, n);
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45 }
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46
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47 TEST_IMPL(loop_init_oom) {
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48 uv_loop_t loop;
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49 int err;
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50
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51 ASSERT_OK(uv_replace_allocator(t_malloc, t_realloc, t_calloc, free));
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52 for (;;) {
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53 err = uv_loop_init(&loop);
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54 if (err == 0)
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55 break;
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56 ASSERT_EQ(err, UV_ENOMEM);
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57 limit += 8;
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58 alloc = 0;
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59 }
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60 ASSERT_OK(uv_loop_close(&loop));
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61 return 0;
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62 }
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