1 /* Copyright libuv project 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 "internal.h" 24 25 #include <sys/sysinfo.h> 26 #include <unistd.h> 27 28 int uv_uptime(double* uptime) { 29 struct sysinfo info; 30 31 if (sysinfo(&info) < 0) 32 return UV__ERR(errno); 33 34 *uptime = info.uptime; 35 return 0; 36 } 37 38 int uv_resident_set_memory(size_t* rss) { 39 /* FIXME: read /proc/meminfo? */ 40 *rss = 0; 41 return 0; 42 } 43 44 int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) { 45 /* FIXME: read /proc/stat? */ 46 *cpu_infos = NULL; 47 *count = 0; 48 return UV_ENOSYS; 49 } 50 51 uint64_t uv_get_constrained_memory(void) { 52 return 0; /* Memory constraints are unknown. */ 53 } 54