auto import from //depot/cupcake/@135843

1 files changed, 84 insertions, 0 deletions

diff --git a/WebKit/mac/Misc/WebKitSystemBits.m b/WebKit/mac/Misc/WebKitSystemBits.m
new file mode 100644
index 0000000..d64f2de
--- /dev/null
+++ b/WebKit/mac/Misc/WebKitSystemBits.m
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "WebKitSystemBits.h"
+
+#import "WebNSFileManagerExtras.h"
+#import <mach/host_info.h>
+#import <mach/mach.h>
+#import <mach/mach_error.h>
+#import <sys/sysctl.h>
+#import <sys/types.h>
+#import <wtf/Assertions.h>
+
+static host_basic_info_data_t gHostBasicInfo;
+static pthread_once_t initControl = PTHREAD_ONCE_INIT;
+
+static void initCapabilities(void)
+{
+    mach_msg_type_number_t  count;
+    kern_return_t r;
+    mach_port_t host;
+
+    /* Discover our CPU type */
+    host = mach_host_self();
+    count = HOST_BASIC_INFO_COUNT;
+    r = host_info(host, HOST_BASIC_INFO, (host_info_t) &gHostBasicInfo, &count);
+    mach_port_deallocate(mach_task_self(), host);
+    if (r != KERN_SUCCESS) {
+        LOG_ERROR("%s : host_info(%d) : %s.\n", __FUNCTION__, r, mach_error_string(r));
+    }
+}
+
+uint64_t WebMemorySize(void)
+{
+    pthread_once(&initControl, initCapabilities);
+    return gHostBasicInfo.max_mem;
+}
+
+int WebNumberOfCPUs(void)
+{
+    static int numCPUs = 0;
+    
+    if (numCPUs == 0) {
+        int mib[2];
+        size_t len;
+
+        mib[0] = CTL_HW;
+        mib[1] = HW_NCPU;
+        len = sizeof(numCPUs);
+        sysctl(mib, 2, &numCPUs, &len, NULL, 0);
+    }
+    return numCPUs;
+}
+
+unsigned long long WebVolumeFreeSize(NSString *path)
+{
+    NSDictionary *fileSystemAttributesDictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:path error:NULL];
+    return [[fileSystemAttributesDictionary objectForKey:NSFileSystemFreeSize] unsignedLongLongValue];
+}