1 /**************************************************************************
3 * Copyright 2008-2010 Vmware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
34 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
36 #ifndef WIN32_LEAN_AND_MEAN
37 #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
49 #if defined(PIPE_OS_ANDROID)
50 # define LOG_TAG "gallium"
52 #elif defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
54 #elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
55 # include <sys/sysctl.h>
56 #elif defined(PIPE_OS_HAIKU)
57 # include <kernel/OS.h>
58 #elif defined(PIPE_OS_WINDOWS)
61 #error unexpected platform in os_sysinfo.c
66 os_log_message(const char *message)
68 /* If the GALLIUM_LOG_FILE environment variable is set to a valid filename,
69 * write all messages to that file.
71 static FILE *fout = NULL;
76 const char *filename = os_get_option("GALLIUM_LOG_FILE");
78 const char *mode = "w";
79 if (filename[0] == '+') {
80 /* If the filename is prefixed with '+' then open the file for
81 * appending instead of normal writing.
84 filename++; /* skip the '+' */
86 fout = fopen(filename, mode);
93 #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
94 OutputDebugStringA(message);
95 if(GetConsoleWindow() && !IsDebuggerPresent()) {
100 else if (fout != stderr) {
101 fputs(message, fout);
104 #else /* !PIPE_SUBSYSTEM_WINDOWS */
105 #if defined(PIPE_OS_ANDROID)
106 if (fout == stderr) {
107 ALOGD("%s", message);
112 fputs(message, fout);
118 #if !defined(PIPE_SUBSYSTEM_EMBEDDED)
120 os_get_option(const char *name)
124 #endif /* !PIPE_SUBSYSTEM_EMBEDDED */
128 * Return the size of the total physical memory.
129 * \param size returns the size of the total physical memory
130 * \return true for success, or false on failure
133 os_get_total_physical_memory(uint64_t *size)
135 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
136 const long phys_pages = sysconf(_SC_PHYS_PAGES);
137 const long page_size = sysconf(_SC_PAGE_SIZE);
139 if (phys_pages <= 0 || page_size <= 0)
142 *size = (uint64_t)phys_pages * (uint64_t)page_size;
144 #elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
145 size_t len = sizeof(*size);
149 #if defined(PIPE_OS_APPLE)
151 #elif defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD)
152 mib[1] = HW_PHYSMEM64;
153 #elif defined(PIPE_OS_FREEBSD)
155 #elif defined(PIPE_OS_DRAGONFLY)
158 #error Unsupported *BSD
161 return (sysctl(mib, 2, size, &len, NULL, 0) == 0);
162 #elif defined(PIPE_OS_HAIKU)
166 ret = get_system_info(&info);
167 if (ret != B_OK || info.max_pages <= 0)
170 *size = (uint64_t)info.max_pages * (uint64_t)B_PAGE_SIZE;
172 #elif defined(PIPE_OS_WINDOWS)
173 MEMORYSTATUSEX status;
176 status.dwLength = sizeof(status);
177 ret = GlobalMemoryStatusEx(&status);
178 *size = status.ullTotalPhys;
179 return (ret == TRUE);
181 #error unexpected platform in os_sysinfo.c