1 /**************************************************************************
2 *
3 * Copyright 2008-2010 Vmware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29 #include "os_misc.h"
30
31 #include <stdarg.h>
32
33
34 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
35
36 #ifndef WIN32_LEAN_AND_MEAN
37 #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
38 #endif
39 #include <windows.h>
40 #include <stdio.h>
41
42 #else
43
44 #include <stdio.h>
45 #include <stdlib.h>
46
47 #endif
48
49
50 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
51 # include <unistd.h>
52 #elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
53 # include <sys/sysctl.h>
54 #elif defined(PIPE_OS_HAIKU)
55 # include <kernel/OS.h>
56 #elif defined(PIPE_OS_WINDOWS)
57 # include <windows.h>
58 #else
59 #error unexpected platform in os_sysinfo.c
60 #endif
61
62
63 void
os_log_message(const char * message)64 os_log_message(const char *message)
65 {
66 /* If the GALLIUM_LOG_FILE environment variable is set to a valid filename,
67 * write all messages to that file.
68 */
69 static FILE *fout = NULL;
70
71 if (!fout) {
72 #ifdef DEBUG
73 /* one-time init */
74 const char *filename = os_get_option("GALLIUM_LOG_FILE");
75 if (filename) {
76 const char *mode = "w";
77 if (filename[0] == '+') {
78 /* If the filename is prefixed with '+' then open the file for
79 * appending instead of normal writing.
80 */
81 mode = "a";
82 filename++; /* skip the '+' */
83 }
84 fout = fopen(filename, mode);
85 }
86 #endif
87 if (!fout)
88 fout = stderr;
89 }
90
91 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
92 OutputDebugStringA(message);
93 if(GetConsoleWindow() && !IsDebuggerPresent()) {
94 fflush(stdout);
95 fputs(message, fout);
96 fflush(fout);
97 }
98 else if (fout != stderr) {
99 fputs(message, fout);
100 fflush(fout);
101 }
102 #else /* !PIPE_SUBSYSTEM_WINDOWS */
103 fflush(stdout);
104 fputs(message, fout);
105 fflush(fout);
106 #endif
107 }
108
109
110 #if !defined(PIPE_SUBSYSTEM_EMBEDDED)
111 const char *
os_get_option(const char * name)112 os_get_option(const char *name)
113 {
114 return getenv(name);
115 }
116 #endif /* !PIPE_SUBSYSTEM_EMBEDDED */
117
118
119 /**
120 * Return the size of the total physical memory.
121 * \param size returns the size of the total physical memory
122 * \return true for success, or false on failure
123 */
124 bool
os_get_total_physical_memory(uint64_t * size)125 os_get_total_physical_memory(uint64_t *size)
126 {
127 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
128 const long phys_pages = sysconf(_SC_PHYS_PAGES);
129 const long page_size = sysconf(_SC_PAGE_SIZE);
130
131 if (phys_pages <= 0 || page_size <= 0)
132 return false;
133
134 *size = (uint64_t)phys_pages * (uint64_t)page_size;
135 return true;
136 #elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
137 size_t len = sizeof(*size);
138 int mib[2];
139
140 mib[0] = CTL_HW;
141 #if defined(PIPE_OS_APPLE)
142 mib[1] = HW_MEMSIZE;
143 #elif defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD)
144 mib[1] = HW_PHYSMEM64;
145 #elif defined(PIPE_OS_FREEBSD)
146 mib[1] = HW_REALMEM;
147 #elif defined(PIPE_OS_DRAGONFLY)
148 mib[1] = HW_PHYSMEM;
149 #else
150 #error Unsupported *BSD
151 #endif
152
153 return (sysctl(mib, 2, size, &len, NULL, 0) == 0);
154 #elif defined(PIPE_OS_HAIKU)
155 system_info info;
156 status_t ret;
157
158 ret = get_system_info(&info);
159 if (ret != B_OK || info.max_pages <= 0)
160 return false;
161
162 *size = (uint64_t)info.max_pages * (uint64_t)B_PAGE_SIZE;
163 return true;
164 #elif defined(PIPE_OS_WINDOWS)
165 MEMORYSTATUSEX status;
166 BOOL ret;
167
168 status.dwLength = sizeof(status);
169 ret = GlobalMemoryStatusEx(&status);
170 *size = status.ullTotalPhys;
171 return (ret == TRUE);
172 #else
173 #error unexpected platform in os_sysinfo.c
174 return false;
175 #endif
176 }
177