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/**************************************************************************
*
* Copyright 2008-2010 Vmware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "os_misc.h"
#include <stdarg.h>
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#endif
#include <windows.h>
#include <stdio.h>
#else
#include <stdio.h>
#include <stdlib.h>
#endif
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
# include <unistd.h>
#elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
# include <sys/sysctl.h>
#elif defined(PIPE_OS_HAIKU)
# include <kernel/OS.h>
#elif defined(PIPE_OS_WINDOWS)
# include <windows.h>
#else
#error unexpected platform in os_sysinfo.c
#endif
void
os_log_message(const char *message)
{
/* If the GALLIUM_LOG_FILE environment variable is set to a valid filename,
* write all messages to that file.
*/
static FILE *fout = NULL;
if (!fout) {
/* one-time init */
const char *filename = os_get_option("GALLIUM_LOG_FILE");
if (filename)
fout = fopen(filename, "w");
if (!fout)
fout = stderr;
}
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
OutputDebugStringA(message);
if(GetConsoleWindow() && !IsDebuggerPresent()) {
fflush(stdout);
fputs(message, fout);
fflush(fout);
}
else if (fout != stderr) {
fputs(message, fout);
fflush(fout);
}
#else /* !PIPE_SUBSYSTEM_WINDOWS */
fflush(stdout);
fputs(message, fout);
fflush(fout);
#endif
}
const char *
os_get_option(const char *name)
{
return getenv(name);
}
/**
* Return the size of the total physical memory.
* \param size returns the size of the total physical memory
* \return true for success, or false on failure
*/
bool
os_get_total_physical_memory(uint64_t *size)
{
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_CYGWIN) || defined(PIPE_OS_SOLARIS)
const long phys_pages = sysconf(_SC_PHYS_PAGES);
const long page_size = sysconf(_SC_PAGE_SIZE);
*size = phys_pages * page_size;
return (phys_pages > 0 && page_size > 0);
#elif defined(PIPE_OS_APPLE) || defined(PIPE_OS_BSD)
size_t len = sizeof(*size);
int mib[2];
mib[0] = CTL_HW;
#if defined(PIPE_OS_APPLE)
mib[1] = HW_MEMSIZE;
#elif defined(PIPE_OS_NETBSD) || defined(PIPE_OS_OPENBSD)
mib[1] = HW_PHYSMEM64;
#elif defined(PIPE_OS_FREEBSD)
mib[1] = HW_REALMEM;
#elif defined(PIPE_OS_DRAGONFLY)
mib[1] = HW_PHYSMEM;
#else
#error Unsupported *BSD
#endif
return (sysctl(mib, 2, size, &len, NULL, 0) == 0);
#elif defined(PIPE_OS_HAIKU)
system_info info;
status_t ret;
ret = get_system_info(&info);
*size = info.max_pages * B_PAGE_SIZE;
return (ret == B_OK);
#elif defined(PIPE_OS_WINDOWS)
MEMORYSTATUSEX status;
BOOL ret;
status.dwLength = sizeof(status);
ret = GlobalMemoryStatusEx(&status);
*size = status.ullTotalPhys;
return (ret == TRUE);
#else
#error unexpected platform in os_sysinfo.c
return false;
#endif
}
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