util: Move os_misc to util

this is needed by u_debug

Tested-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

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
+}