Line data    Source code

       1             : // Copyright (c) 2006-2011 The Chromium Authors. All rights reserved.
       2             : //
       3             : // Redistribution and use in source and binary forms, with or without
       4             : // modification, are permitted provided that the following conditions
       5             : // are met:
       6             : //  * Redistributions of source code must retain the above copyright
       7             : //    notice, this list of conditions and the following disclaimer.
       8             : //  * Redistributions in binary form must reproduce the above copyright
       9             : //    notice, this list of conditions and the following disclaimer in
      10             : //    the documentation and/or other materials provided with the
      11             : //    distribution.
      12             : //  * Neither the name of Google, Inc. nor the names of its contributors
      13             : //    may be used to endorse or promote products derived from this
      14             : //    software without specific prior written permission.
      15             : //
      16             : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      17             : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      18             : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
      19             : // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
      20             : // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
      21             : // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
      22             : // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
      23             : // OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
      24             : // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
      25             : // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
      26             : // OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      27             : // SUCH DAMAGE.
      28             : 
      29             : #ifndef TOOLS_PLATFORM_H_
      30             : #define TOOLS_PLATFORM_H_
      31             : 
      32             : #include <stdint.h>
      33             : #include <math.h>
      34             : #include "MainThreadUtils.h"
      35             : #include "ThreadResponsiveness.h"
      36             : #include "mozilla/Logging.h"
      37             : #include "mozilla/MemoryReporting.h"
      38             : #include "mozilla/StaticMutex.h"
      39             : #include "mozilla/TimeStamp.h"
      40             : #include "mozilla/UniquePtr.h"
      41             : #include "mozilla/Unused.h"
      42             : #include "PlatformMacros.h"
      43             : #include <vector>
      44             : #include "StackTop.h"
      45             : 
      46             : // We need a definition of gettid(), but glibc doesn't provide a
      47             : // wrapper for it.
      48             : #if defined(__GLIBC__)
      49             : #include <unistd.h>
      50             : #include <sys/syscall.h>
      51         151 : static inline pid_t gettid()
      52             : {
      53         151 :   return (pid_t) syscall(SYS_gettid);
      54             : }
      55             : #elif defined(GP_OS_darwin)
      56             : #include <unistd.h>
      57             : #include <sys/syscall.h>
      58             : static inline pid_t gettid()
      59             : {
      60             :   return (pid_t) syscall(SYS_thread_selfid);
      61             : }
      62             : #elif defined(GP_OS_android)
      63             : #include <unistd.h>
      64             : #elif defined(GP_OS_windows)
      65             : #include <windows.h>
      66             : #include <process.h>
      67             : #ifndef getpid
      68             : #define getpid _getpid
      69             : #endif
      70             : #endif
      71             : 
      72             : extern mozilla::LazyLogModule gProfilerLog;
      73             : 
      74             : // These are for MOZ_LOG="prof:3" or higher. It's the default logging level for
      75             : // the profiler, and should be used sparingly.
      76             : #define LOG_TEST \
      77             :   MOZ_LOG_TEST(gProfilerLog, mozilla::LogLevel::Info)
      78             : #define LOG(arg, ...) \
      79             :   MOZ_LOG(gProfilerLog, mozilla::LogLevel::Info, \
      80             :           ("[%d] " arg, getpid(), ##__VA_ARGS__))
      81             : 
      82             : // These are for MOZ_LOG="prof:4" or higher. It should be used for logging that
      83             : // is somewhat more verbose than LOG.
      84             : #define DEBUG_LOG_TEST \
      85             :   MOZ_LOG_TEST(gProfilerLog, mozilla::LogLevel::Debug)
      86             : #define DEBUG_LOG(arg, ...) \
      87             :   MOZ_LOG(gProfilerLog, mozilla::LogLevel::Debug, \
      88             :           ("[%d] " arg, getpid(), ##__VA_ARGS__))
      89             : 
      90             : typedef uint8_t* Address;
      91             : 
      92             : // ----------------------------------------------------------------------------
      93             : // Thread
      94             : //
      95             : // This class has static methods for the different platform specific
      96             : // functions. Add methods here to cope with differences between the
      97             : // supported platforms.
      98             : 
      99             : class Thread {
     100             : public:
     101             : #if defined(GP_OS_windows)
     102             :   typedef DWORD tid_t;
     103             : #else
     104             :   typedef ::pid_t tid_t;
     105             : #endif
     106             : 
     107             :   static tid_t GetCurrentId();
     108             : };
     109             : 
     110             : // ----------------------------------------------------------------------------
     111             : // Miscellaneous
     112             : 
     113             : class PlatformData;
     114             : 
     115             : // We can't new/delete the type safely without defining it
     116             : // (-Wdelete-incomplete).  Use these to hide the details from clients.
     117             : struct PlatformDataDestructor {
     118             :   void operator()(PlatformData*);
     119             : };
     120             : 
     121             : typedef mozilla::UniquePtr<PlatformData, PlatformDataDestructor>
     122             :   UniquePlatformData;
     123             : UniquePlatformData AllocPlatformData(int aThreadId);
     124             : 
     125             : namespace mozilla {
     126             : class JSONWriter;
     127             : }
     128             : void AppendSharedLibraries(mozilla::JSONWriter& aWriter);
     129             : 
     130             : #endif /* ndef TOOLS_PLATFORM_H_ */