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https://github.com/microsoft/vcpkg.git
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actually get the code compiling
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parent
43493b56df
commit
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@ -1,10 +1,15 @@
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#pragma once
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#include <condition_variable>
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#include <memory>
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#include <queue>
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namespace vcpkg {
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template <class Action, class ThreadLocalData>
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struct WorkQueue;
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namespace detail {
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// for SFINAE purposes, keep out of the class
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template <class Action, class ThreadLocalData>
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auto call_action(
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Action& action,
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@ -29,8 +34,8 @@ namespace vcpkg {
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template <class Action, class ThreadLocalData>
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struct WorkQueue {
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template <class F>
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explicit WorkQueue(const F& initializer) noexcept {
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state = State::Joining;
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explicit WorkQueue(const F& tld_init) noexcept {
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m_state = State::Running;
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std::size_t num_threads = std::thread::hardware_concurrency();
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if (num_threads == 0) {
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@ -39,7 +44,7 @@ namespace vcpkg {
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m_threads.reserve(num_threads);
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for (std::size_t i = 0; i < num_threads; ++i) {
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m_threads.emplace_back(this, initializer);
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m_threads.push_back(std::thread(Worker{this, tld_init()}));
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}
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}
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@ -93,10 +98,10 @@ namespace vcpkg {
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auto lck = std::unique_lock<std::mutex>(m_mutex);
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auto first = begin(rng);
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auto last = end(rng);
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const auto first = begin(rng);
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const auto last = end(rng);
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m_actions.reserve(m_actions.size() + (end - begin));
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m_actions.reserve(m_actions.size() + (last - first));
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std::move(first, last, std::back_insert_iterator(rng));
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}
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@ -112,10 +117,10 @@ namespace vcpkg {
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auto lck = std::unique_lock<std::mutex>(m_mutex);
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auto first = begin(rng);
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auto last = end(rng);
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const auto first = begin(rng);
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const auto last = end(rng);
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m_actions.reserve(m_actions.size() + (end - begin));
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m_actions.reserve(m_actions.size() + (last - first));
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std::copy(first, last, std::back_insert_iterator(rng));
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}
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@ -124,18 +129,15 @@ namespace vcpkg {
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}
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private:
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friend struct WorkQueueWorker {
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struct Worker {
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const WorkQueue* work_queue;
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ThreadLocalData tld;
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template <class F>
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WorkQueueWorker(const WorkQueue* work_queue, const F& initializer)
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: work_queue(work_queue), tld(initializer())
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{ }
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void operator()() {
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// unlocked when waiting, or when in the `call_action` block
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// locked otherwise
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auto lck = std::unique_lock<std::mutex>(work_queue->m_mutex);
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for (;;) {
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auto lck = std::unique_lock<std::mutex>(work_queue->m_mutex);
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++work_queue->running_workers;
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const auto state = work_queue->m_state;
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@ -157,10 +159,12 @@ namespace vcpkg {
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return;
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}
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Action action = work_queue->m_actions.pop_back();
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lck.unlock();
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Action action = std::move(work_queue->m_actions.back());
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work_queue->m_actions.pop_back();
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lck.unlock();
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detail::call_action(action, *work_queue, tld);
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lck.lock();
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}
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}
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};
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@ -176,7 +180,7 @@ namespace vcpkg {
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mutable State m_state;
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mutable std::uint16_t running_workers;
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mutable std::vector<Action> m_actions;
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mutable std::condition_variable condition_variable;
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mutable std::condition_variable m_cv;
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std::vector<std::thread> m_threads;
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};
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@ -1,7 +1,6 @@
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#include "pch.h"
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#include <vcpkg/base/files.h>
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#include <vcpkg/base/rng.h>
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#include <vcpkg/base/system.debug.h>
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#include <vcpkg/base/system.h>
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#include <vcpkg/base/system.print.h>
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@ -57,7 +56,9 @@ namespace fs {
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file_status decltype(symlink_status)::operator()(const path& p) const noexcept {
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std::error_code ec;
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auto result = symlink_status(p, ec);
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if (ec) vcpkg::Checks::exit_with_message(VCPKG_LINE_INFO, "error getting status of path %s: %s", p, ec.message());
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if (ec) vcpkg::Checks::exit_with_message(VCPKG_LINE_INFO, "error getting status of path %s: %s", p.string(), ec.message());
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return result;
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}
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}
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@ -393,11 +394,11 @@ namespace vcpkg::Files
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std::mutex ec_mutex;
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auto queue = remove::queue([&] {
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index += 1 << 32;
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index += static_cast<std::uint64_t>(1) << 32;
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return remove::tld{path, index, files_deleted, ec_mutex, ec};
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});
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index += 1 << 32;
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index += static_cast<std::uint64_t>(1) << 32;
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auto main_tld = remove::tld{path, index, files_deleted, ec_mutex, ec};
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for (const auto& entry : fs::stdfs::directory_iterator(path)) {
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remove{}(entry, main_tld, queue);
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