1 /*
2  * Copyright (c) 2015-2019, The University of Oxford
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  * 1. Redistributions of source code must retain the above copyright notice,
8  *    this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright notice,
10  *    this list of conditions and the following disclaimer in the documentation
11  *    and/or other materials provided with the distribution.
12  * 3. Neither the name of the University of Oxford nor the names of its
13  *    contributors may be used to endorse or promote products derived from this
14  *    software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef UTILITY_OSKAR_GET_MEMORY_USAGE_H_
30 #define UTILITY_OSKAR_GET_MEMORY_USAGE_H_
31 
32 /**
33  * @file oskar_get_memory_usage.h
34  */
35 
36 #include <oskar_global.h>
37 #include <log/oskar_log.h>
38 #include <stddef.h>
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /**
45  * @brief Returns the total physical system memory, in bytes.
46  */
47 OSKAR_EXPORT
48 size_t oskar_get_total_physical_memory(void);
49 
50 /**
51  * @brief Returns the free physical system memory, in bytes.
52  */
53 OSKAR_EXPORT
54 size_t oskar_get_free_physical_memory(void);
55 
56 /**
57  * @brief Returns the total swap memory, in bytes.
58  */
59 OSKAR_EXPORT
60 size_t oskar_get_total_swap_memory(void);
61 
62 /**
63  * @brief Returns the free swap system, in bytes.
64  */
65 OSKAR_EXPORT
66 size_t oskar_get_free_swap_memory(void);
67 
68 /**
69  * @brief Returns the memory used by the current process, in bytes.
70  */
71 OSKAR_EXPORT
72 size_t oskar_get_memory_usage(void);
73 
74 /**
75  * @brief Prints a summary of the current memory usage.
76  */
77 OSKAR_EXPORT
78 void oskar_print_memory_info(void);
79 
80 /**
81  * @brief Writes current memory usage to the log.
82  */
83 OSKAR_EXPORT
84 void oskar_log_mem(oskar_Log* log);
85 
86 #ifdef __cplusplus
87 }
88 #endif
89 
90 #endif /* UTILITY_OSKAR_GET_MEMORY_USAGE_H_ */
91