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Diffstat (limited to 'src/util/os_misc.c')
| -rw-r--r-- | src/util/os_misc.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/util/os_misc.c b/src/util/os_misc.c new file mode 100644 index 00000000000..09d4400e082 --- /dev/null +++ b/src/util/os_misc.c @@ -0,0 +1,176 @@ +/************************************************************************** + * + * 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) { +#ifdef DEBUG + /* one-time init */ + const char *filename = os_get_option("GALLIUM_LOG_FILE"); + if (filename) { + const char *mode = "w"; + if (filename[0] == '+') { + /* If the filename is prefixed with '+' then open the file for + * appending instead of normal writing. + */ + mode = "a"; + filename++; /* skip the '+' */ + } + fout = fopen(filename, mode); + } +#endif + 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 +} + + +#if !defined(PIPE_SUBSYSTEM_EMBEDDED) +const char * +os_get_option(const char *name) +{ + return getenv(name); +} +#endif /* !PIPE_SUBSYSTEM_EMBEDDED */ + + +/** + * 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); + + if (phys_pages <= 0 || page_size <= 0) + return false; + + *size = (uint64_t)phys_pages * (uint64_t)page_size; + return true; +#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); + if (ret != B_OK || info.max_pages <= 0) + return false; + + *size = (uint64_t)info.max_pages * (uint64_t)B_PAGE_SIZE; + return true; +#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 +} |