Changed thread Id handling in trace.

Review URL: http://webrtc-codereview.appspot.com/331020

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1383 4adac7df-926f-26a2-2b94-8c16560cd09d

src/system_wrappers/interface/thread_wrapper.h

@@ -16,6 +16,9 @@
 #ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_THREAD_WRAPPER_H_
 #define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_THREAD_WRAPPER_H_
 
+#include "common_types.h"
+#include "typedefs.h"
+
 namespace webrtc {
 // Object that will be passed by the spawned thread when it enters the callback
 // function.
@@ -55,6 +58,9 @@ public:
                                        ThreadPriority prio = kNormalPriority,
                                        const char* threadName = 0);
 
+    // Get the current thread's kernel thread ID.
+    static uint32_t GetThreadId();
+
     // Non blocking termination of the spawned thread. Note that it is not safe
     // to delete this class until the spawned thread has been reclaimed.
     virtual void SetNotAlive() = 0;
@@ -69,8 +75,9 @@ public:
     // should be lower than (number of CPUs - 1). amountOfProcessors should be
     // equal to the number of processors listed in processorNumbers
     virtual bool SetAffinity(const int* /*processorNumbers*/,
-                             const unsigned int /*amountOfProcessors*/)
+                             const unsigned int /*amountOfProcessors*/) {
-                            {return false;}
+      return false;
+    }
 
     // Stops the spawned thread and waits for it to be reclaimed with a timeout
     // of two seconds. Will return false if the thread was not reclaimed.

src/system_wrappers/source/thread_posix.cc

@@ -22,6 +22,10 @@
 #include <sys/prctl.h>
 #endif
 
+#if defined(WEBRTC_MAC)
+#include <mach/mach.h>
+#endif
+
 #include "event_wrapper.h"
 #include "trace.h"
 
@@ -35,17 +39,6 @@ extern "C"
     }
 }
 
-#if (defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID))
-static pid_t gettid()
-{
-#if defined(__NR_gettid)
-    return  syscall(__NR_gettid);
-#else
-    return -1;
-#endif
-}
-#endif
-
 ThreadWrapper* ThreadPosix::Create(ThreadRunFunction func, ThreadObj obj,
                                    ThreadPriority prio, const char* threadName)
 {
@@ -71,11 +64,9 @@ ThreadPosix::ThreadPosix(ThreadRunFunction func, ThreadObj obj,
       _dead(true),
       _prio(prio),
       _event(EventWrapper::Create()),
-      _setThreadName(false)
+      _setThreadName(false),
+      _pid(-1)
 {
-#ifdef WEBRTC_LINUX
-    _linuxPid = -1;
-#endif
     if (threadName != NULL)
     {
         _setThreadName = true;
@@ -83,6 +74,16 @@ ThreadPosix::ThreadPosix(ThreadRunFunction func, ThreadObj obj,
     }
 }
 
+uint32_t ThreadWrapper::GetThreadId() {
+#if defined(WEBRTC_ANDROID) || defined(WEBRTC_LINUX)
+  return static_cast<uint32_t>(syscall(__NR_gettid));
+#elif defined(WEBRTC_MAC)
+  return static_cast<uint32_t>(mach_thread_self());
+#else
+  return reinterpret_cast<uint32_t>(pthread_self());
+#endif
+}
+
 int ThreadPosix::Construct()
 {
     int result = 0;
@@ -104,7 +105,6 @@ int ThreadPosix::Construct()
     {
         return -1;
     }
-
     return 0;
 }
 
@@ -191,33 +191,38 @@ bool ThreadPosix::Start(unsigned int& /*threadID*/)
     return true;
 }
 
-#if (defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID))
+#if (defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID))
 bool ThreadPosix::SetAffinity(const int* processorNumbers,
-                              const unsigned int amountOfProcessors)
+                              const unsigned int amountOfProcessors) {
-{
+  if (!processorNumbers || (amountOfProcessors == 0)) {
-    if (!processorNumbers || (amountOfProcessors == 0))
-    {
     return false;
   }
-
   cpu_set_t mask;
   CPU_ZERO(&mask);
 
   for (unsigned int processor = 0;
       processor < amountOfProcessors;
-        processor++)
+      processor++) {
-    {
     CPU_SET(processorNumbers[processor], &mask);
   }
-    const int result = sched_setaffinity(_linuxPid, (unsigned int)sizeof(mask),
+#if defined(WEBRTC_ANDROID)
+  // Android.
+  const int result = syscall(__NR_sched_setaffinity,
+                             _pid,
+                             sizeof(mask),
                              &mask);
-    if (result != 0)
+#else
-    {
+  // "Normal" Linux.
+  const int result = sched_setaffinity(_pid,
+                                       sizeof(mask),
+                                       &mask);
+#endif
+  if (result != 0) {
     return false;
-
   }
   return true;
 }
+
 #else
 // NOTE: On Mac OS X, use the Thread affinity API in
 // /usr/include/mach/thread_policy.h: thread_policy_set and mach_thread_self()
@@ -274,34 +279,21 @@ void ThreadPosix::Run()
 {
     _alive = true;
     _dead  = false;
-#ifdef WEBRTC_LINUX
+    _pid = GetThreadId();
-    if(_linuxPid == -1)
-    {
-        _linuxPid = gettid();
-    }
-#endif
     // The event the Start() is waiting for.
     _event->Set();
 
     if (_setThreadName)
     {
 #ifdef WEBRTC_LINUX
-        WEBRTC_TRACE(kTraceStateInfo, kTraceUtility,-1,
-                     "Thread with id:%d name:%s started ", _linuxPid, _name);
         prctl(PR_SET_NAME, (unsigned long)_name, 0, 0, 0);
-#else
+#endif
         WEBRTC_TRACE(kTraceStateInfo, kTraceUtility,-1,
                      "Thread with name:%s started ", _name);
-#endif
     } else
     {
-#ifdef WEBRTC_LINUX
-        WEBRTC_TRACE(kTraceStateInfo, kTraceUtility, -1,
-                     "Thread with id:%d without name started", _linuxPid);
-#else
         WEBRTC_TRACE(kTraceStateInfo, kTraceUtility, -1,
                      "Thread without name started");
-#endif
     }
     do
     {

src/system_wrappers/source/thread_posix.h

@@ -59,10 +59,7 @@ private:
     // handle to thread
     pthread_attr_t          _attr;
     pthread_t               _thread;
-#ifdef WEBRTC_LINUX
+    pid_t                   _pid;
-    pid_t                   _linuxPid;
-#endif
-
 };
 } // namespace webrtc
 

src/system_wrappers/source/thread_win.cc

@@ -68,6 +68,10 @@ ThreadWindows::~ThreadWindows()
     }
 }
 
+uint32_t ThreadWrapper::GetThreadId() {
+  return GetCurrentThreadId();
+}
+
 unsigned int WINAPI ThreadWindows::StartThread(LPVOID lpParameter)
 {
     static_cast<ThreadWindows*>(lpParameter)->Run();

src/system_wrappers/source/trace_impl.cc

@@ -147,6 +147,12 @@ TraceImpl::~TraceImpl()
     }
 }
 
+WebRtc_Word32 TraceImpl::AddThreadId(char* traceMessage) const {
+  WebRtc_UWord32 threadId = ThreadWrapper::GetThreadId();
+  // Messages is 12 characters.
+  return sprintf(traceMessage, "%10u; ", threadId);
+}
+
 WebRtc_Word32 TraceImpl::AddLevel(char* szMessage, const TraceLevel level) const
 {
     switch (level)
@@ -637,7 +643,7 @@ void TraceImpl::AddImpl(const TraceLevel level, const TraceModule module,
         ackLen += len;
 
         len = AddThreadId(meassagePtr);
-        if(len == -1)
+        if(len < 0)
         {
             return;
         }

src/system_wrappers/source/trace_impl.h

@@ -69,8 +69,9 @@ protected:
     static TraceImpl* StaticInstance(CountOperation count_operation,
         const TraceLevel level = kTraceAll);
 
+    WebRtc_Word32 AddThreadId(char* traceMessage) const;
+
     // OS specific implementations
-    virtual WebRtc_Word32 AddThreadId(char* traceMessage) const = 0;
     virtual WebRtc_Word32 AddTime(char* traceMessage,
                                   const TraceLevel level) const = 0;
 

src/system_wrappers/source/trace_posix.cc

@@ -15,9 +15,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <time.h>
-#ifdef __linux__
-    #include <sys/syscall.h>
-#endif
 #ifdef WEBRTC_ANDROID
     #include <pthread.h>
 #else
@@ -50,19 +47,6 @@ TracePosix::~TracePosix()
     StopThread();
 }
 
-WebRtc_Word32 TracePosix::AddThreadId(char* traceMessage) const {
-#ifdef __linux__
-  pid_t threadId = (pid_t) syscall(__NR_gettid);
-  sprintf(traceMessage, "%10d; ", threadId);
-#else
-  WebRtc_UWord64 threadId = (WebRtc_UWord64)pthread_self();
-  sprintf(traceMessage, "%10llu; ",
-          static_cast<long long unsigned int>(threadId));
-#endif
-  // 12 bytes are written.
-  return 12;
-}
-
 WebRtc_Word32 TracePosix::AddTime(char* traceMessage,
                                   const TraceLevel level) const
 {

src/system_wrappers/source/trace_posix.h

@@ -21,7 +21,6 @@ public:
     TracePosix();
     virtual ~TracePosix();
 
-    virtual WebRtc_Word32 AddThreadId(char *traceMessage) const;
     virtual WebRtc_Word32 AddTime(char* traceMessage,
                                   const TraceLevel level) const;
 

src/system_wrappers/source/trace_win.cc

@@ -41,14 +41,6 @@ TraceWindows::~TraceWindows()
     StopThread();
 }
 
-WebRtc_Word32 TraceWindows::AddThreadId(char* traceMessage) const
-{
-    WebRtc_UWord32 threadId= GetCurrentThreadId();
-    sprintf (traceMessage, "%10u; ", threadId);
-    // Messages is 12 characters.
-    return 12;
-}
-
 WebRtc_Word32 TraceWindows::AddTime(char* traceMessage,
                                     const TraceLevel level) const
 {

src/system_wrappers/source/trace_win.h

@@ -22,7 +22,6 @@ public:
     TraceWindows();
     virtual ~TraceWindows();
 
-    virtual WebRtc_Word32 AddThreadId(char *traceMessage) const;
     virtual WebRtc_Word32 AddTime(char* traceMessage,
                                   const TraceLevel level) const;