xref: /third_party/libuv/src/unix/cygwin.c (revision e66f31c5)
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
28int 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
38int uv_resident_set_memory(size_t* rss) {
39  /* FIXME: read /proc/meminfo? */
40  *rss = 0;
41  return 0;
42}
43
44int 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
51uint64_t uv_get_constrained_memory(void) {
52  return 0;  /* Memory constraints are unknown. */
53}
54
55uint64_t uv_get_available_memory(void) {
56  return uv_get_free_memory();
57}
58