xref: /libuv/src/unix/sysinfo-memory.c (revision ea795b29)
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
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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
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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
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19  * IN THE SOFTWARE.
20  */
21 
22 #include "uv.h"
23 #include "internal.h"
24 
25 #include <stdint.h>
26 #include <sys/sysinfo.h>
27 
uv_get_free_memory(void)28 uint64_t uv_get_free_memory(void) {
29   struct sysinfo info;
30 
31   if (sysinfo(&info) == 0)
32     return (uint64_t) info.freeram * info.mem_unit;
33   return 0;
34 }
35 
uv_get_total_memory(void)36 uint64_t uv_get_total_memory(void) {
37   struct sysinfo info;
38 
39   if (sysinfo(&info) == 0)
40     return (uint64_t) info.totalram * info.mem_unit;
41   return 0;
42 }
43