Support signal handler on Windows

[platform/upstream/glog.git] / src / vlog_is_on.cc

diff --git a/src/vlog_is_on.cc b/src/vlog_is_on.cc
index 833212a..4c95583 100644 (file)
--- a/src/vlog_is_on.cc
+++ b/src/vlog_is_on.cc
@@ -1,5 +1,34 @@
-// Copyright 1999, 2007 Google Inc. All Rights Reserved.
+// Copyright (c) 1999, 2007, Google 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:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * 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.
+//     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+// OWNER OR 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.
+//
 // Author: Ray Sidney and many others
+//
 // Broken out from logging.cc by Soren Lassen
 // logging_unittest.cc covers the functionality herein
 
@@ -20,10 +49,10 @@
 
 using std::string;
 
-DEFINE_int32(v, 0, "Show all VLOG(m) messages for m <= this."
+GLOG_DEFINE_int32(v, 0, "Show all VLOG(m) messages for m <= this."
 " Overridable by --vmodule.");
 
-DEFINE_string(vmodule, "", "per-module verbose level."
+GLOG_DEFINE_string(vmodule, "", "per-module verbose level."
 " Argument is a comma-separated list of <module name>=<log level>."
 " <module name> is a glob pattern, matched against the filename base"
 " (that is, name ignoring .cc/.h./-inl.h)."
@@ -41,8 +70,8 @@ GOOGLE_GLOG_DLL_DECL bool SafeFNMatch_(const char* pattern,
                                        size_t patt_len,
                                        const char* str,
                                        size_t str_len) {
-  int p = 0;
-  int s = 0;
+  size_t p = 0;
+  size_t s = 0;
   while (1) {
     if (p == patt_len  &&  s == str_len) return true;
     if (p == patt_len) return false;
@@ -133,30 +162,32 @@ int SetVLOGLevel(const char* module_pattern, int log_level) {
   int result = FLAGS_v;
   int const pattern_len = strlen(module_pattern);
   bool found = false;
-  MutexLock l(&vmodule_lock);  // protect whole read-modify-write
-  for (const VModuleInfo* info = vmodule_list;
-       info != NULL; info = info->next) {
-    if (info->module_pattern == module_pattern) {
-      if (!found) {
+  {
+    MutexLock l(&vmodule_lock);  // protect whole read-modify-write
+    for (const VModuleInfo* info = vmodule_list;
+         info != NULL; info = info->next) {
+      if (info->module_pattern == module_pattern) {
+        if (!found) {
+          result = info->vlog_level;
+          found = true;
+        }
+        info->vlog_level = log_level;
+      } else if (!found  &&
+                 SafeFNMatch_(info->module_pattern.c_str(),
+                              info->module_pattern.size(),
+                              module_pattern, pattern_len)) {
         result = info->vlog_level;
         found = true;
       }
+    }
+    if (!found) {
+      VModuleInfo* info = new VModuleInfo;
+      info->module_pattern = module_pattern;
       info->vlog_level = log_level;
-    } else if (!found  &&
-               SafeFNMatch_(info->module_pattern.c_str(),
-                            info->module_pattern.size(),
-                            module_pattern, pattern_len)) {
-      result = info->vlog_level;
-      found = true;
+      info->next = vmodule_list;
+      vmodule_list = info;
     }
   }
-  if (!found) {
-    VModuleInfo* info = new VModuleInfo;
-    info->module_pattern = module_pattern;
-    info->vlog_level = log_level;
-    info->next = vmodule_list;
-    vmodule_list = info;
-  }
   RAW_VLOG(1, "Set VLOG level for \"%s\" to %d", module_pattern, log_level);
   return result;
 }
@@ -182,7 +213,7 @@ bool InitVLOG3__(int32** site_flag, int32* site_default,
   const char* base = strrchr(fname, '/');
   base = base ? (base+1) : fname;
   const char* base_end = strchr(base, '.');
-  size_t base_length = base_end ? (base_end - base) : strlen(base);
+  size_t base_length = base_end ? size_t(base_end - base) : strlen(base);
 
   // Trim out trailing "-inl" if any
   if (base_length >= 4 && (memcmp(base+base_length-4, "-inl", 4) == 0)) {