зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.7 KiB
C++
135 строки
4.7 KiB
C++
// Copyright (c) 2006-2011 The Chromium Authors. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google, Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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// SUCH DAMAGE.
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#ifndef TOOLS_PLATFORM_H_
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#define TOOLS_PLATFORM_H_
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#include "PlatformMacros.h"
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#include "mozilla/Logging.h"
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#include "mozilla/UniquePtr.h"
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#include "nsStringFwd.h"
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#include "nsTArray.h"
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#include <functional>
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#include <stdint.h>
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// We need a definition of gettid(), but glibc doesn't provide a
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// wrapper for it.
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#if defined(__GLIBC__)
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# include <unistd.h>
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# include <sys/syscall.h>
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static inline pid_t gettid() { return (pid_t)syscall(SYS_gettid); }
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#elif defined(GP_OS_darwin)
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# include <unistd.h>
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# include <sys/syscall.h>
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static inline pid_t gettid() { return (pid_t)syscall(SYS_thread_selfid); }
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#elif defined(GP_OS_android)
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# include <unistd.h>
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#elif defined(GP_OS_windows)
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# include <windows.h>
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# include <process.h>
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# ifndef getpid
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# define getpid _getpid
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# endif
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#endif
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extern mozilla::LazyLogModule gProfilerLog;
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// These are for MOZ_LOG="prof:3" or higher. It's the default logging level for
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// the profiler, and should be used sparingly.
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#define LOG_TEST MOZ_LOG_TEST(gProfilerLog, mozilla::LogLevel::Info)
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#define LOG(arg, ...) \
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MOZ_LOG(gProfilerLog, mozilla::LogLevel::Info, \
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("[%d] " arg, getpid(), ##__VA_ARGS__))
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// These are for MOZ_LOG="prof:4" or higher. It should be used for logging that
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// is somewhat more verbose than LOG.
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#define DEBUG_LOG_TEST MOZ_LOG_TEST(gProfilerLog, mozilla::LogLevel::Debug)
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#define DEBUG_LOG(arg, ...) \
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MOZ_LOG(gProfilerLog, mozilla::LogLevel::Debug, \
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("[%d] " arg, getpid(), ##__VA_ARGS__))
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typedef uint8_t* Address;
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// ----------------------------------------------------------------------------
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// Thread
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//
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// This class has static methods for the different platform specific
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// functions. Add methods here to cope with differences between the
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// supported platforms.
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class Thread {
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public:
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static int GetCurrentId();
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};
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// ----------------------------------------------------------------------------
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// Miscellaneous
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class PlatformData;
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// We can't new/delete the type safely without defining it
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// (-Wdelete-incomplete). Use these to hide the details from clients.
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struct PlatformDataDestructor {
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void operator()(PlatformData*);
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};
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typedef mozilla::UniquePtr<PlatformData, PlatformDataDestructor>
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UniquePlatformData;
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UniquePlatformData AllocPlatformData(int aThreadId);
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namespace mozilla {
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class JSONWriter;
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}
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void AppendSharedLibraries(mozilla::JSONWriter& aWriter);
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// Convert the array of strings to a bitfield.
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uint32_t ParseFeaturesFromStringArray(const char** aFeatures,
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uint32_t aFeatureCount);
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void profiler_get_profile_json_into_lazily_allocated_buffer(
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const std::function<char*(size_t)>& aAllocator, double aSinceTime,
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bool aIsShuttingDown);
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// Flags to conveniently track various JS features.
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enum class JSSamplingFlags {
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StackSampling = 0x1,
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TrackOptimizations = 0x2,
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TraceLogging = 0x4
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};
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// Record an exit profile from a child process.
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void profiler_received_exit_profile(const nsCString& aExitProfile);
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// Extract all received exit profiles that have not yet expired (i.e., they
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// still intersect with this process' buffer range).
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nsTArray<nsCString> profiler_move_exit_profiles();
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#endif /* ndef TOOLS_PLATFORM_H_ */
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