Ryan Macnak
0c3606f0ec
Improve error message to include the intended thread name and strerror. TEST=ci Change-Id: Iba61a40b312f6574e8e352d51a0c3de535f6a0c0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/386361 Reviewed-by: Brian Quinlan <bquinlan@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(DART_HOST_OS_MACOS) && !defined(DART_USE_ABSL)
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#include "bin/thread.h"
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#include <mach/mach_host.h> // NOLINT
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#include <mach/mach_init.h> // NOLINT
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#include <mach/mach_port.h> // NOLINT
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#include <mach/mach_traps.h> // NOLINT
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#include <mach/task_info.h> // NOLINT
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#include <mach/thread_act.h> // NOLINT
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#include <mach/thread_info.h> // NOLINT
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#include <sys/errno.h> // NOLINT
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#include <sys/sysctl.h> // NOLINT
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#include <sys/types.h> // NOLINT
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#include "platform/assert.h"
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#include "platform/utils.h"
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namespace dart {
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namespace bin {
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class ThreadStartData {
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public:
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ThreadStartData(const char* name,
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Thread::ThreadStartFunction function,
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uword parameter)
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: name_(name), function_(function), parameter_(parameter) {}
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const char* name() const { return name_; }
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Thread::ThreadStartFunction function() const { return function_; }
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uword parameter() const { return parameter_; }
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private:
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const char* name_;
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Thread::ThreadStartFunction function_;
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uword parameter_;
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DISALLOW_COPY_AND_ASSIGN(ThreadStartData);
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};
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// Dispatch to the thread start function provided by the caller. This trampoline
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// is used to ensure that the thread is properly destroyed if the thread just
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// exits.
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static void* ThreadStart(void* data_ptr) {
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ThreadStartData* data = reinterpret_cast<ThreadStartData*>(data_ptr);
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const char* name = data->name();
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Thread::ThreadStartFunction function = data->function();
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uword parameter = data->parameter();
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delete data;
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// Set the thread name. We need to impose a limit on the name length so that
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// we can know how large of a buffer to use when retrieving the name. We
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// truncate the name at 16 bytes to be consistent with Android and Linux.
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char truncated_name[16];
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snprintf(truncated_name, sizeof(truncated_name), "%s", name);
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pthread_setname_np(name);
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// Call the supplied thread start function handing it its parameters.
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function(parameter);
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return nullptr;
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}
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int Thread::TryStart(const char* name,
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ThreadStartFunction function,
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uword parameter) {
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pthread_attr_t attr;
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int result = pthread_attr_init(&attr);
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RETURN_ON_PTHREAD_FAILURE(result);
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result = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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RETURN_ON_PTHREAD_FAILURE(result);
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result = pthread_attr_setstacksize(&attr, Thread::GetMaxStackSize());
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RETURN_ON_PTHREAD_FAILURE(result);
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ThreadStartData* data = new ThreadStartData(name, function, parameter);
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pthread_t tid;
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result = pthread_create(&tid, &attr, ThreadStart, data);
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RETURN_ON_PTHREAD_FAILURE(result);
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result = pthread_attr_destroy(&attr);
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RETURN_ON_PTHREAD_FAILURE(result);
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return 0;
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}
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intptr_t Thread::GetMaxStackSize() {
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const int kStackSize = (128 * kWordSize * KB);
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return kStackSize;
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(DART_HOST_OS_MACOS) && !defined(DART_USE_ABSL)
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