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Fix the cycle-referenced caused memory leak by shared_ptr used, this issue is

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recognized by valgrind memcheck tool.
This commit is contained in:
Jiancong 2018-04-03 10:57:25 +08:00
commit 4dd2ae389a
3 changed files with 11 additions and 8 deletions
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2
external/process-cpp-minimal/include/core/posix/signal.h vendored
View file

@ -100,7 +100,7 @@ protected:
* @brief Traps the specified signals for the entire process.
*/
CORE_POSIX_DLL_PUBLIC
std::shared_ptr<SignalTrap> trap_signals_for_process(
SignalTrap* trap_signals_for_process(
std::initializer_list<core::posix::Signal> blocked_signals);
/**

8
external/process-cpp-minimal/src/core/posix/signal.cpp vendored
View file

@ -203,12 +203,10 @@ private:
};
}
std::shared_ptr<core::posix::SignalTrap> core::posix::trap_signals_for_process(
std::initializer_list<core::posix::Signal> blocked_signals)
core::posix::SignalTrap* core::posix::trap_signals_for_process(
std::initializer_list<core::posix::Signal> blocked_signals)
{
return std::make_shared<impl::SignalTrap>(
impl::SignalTrap::Scope::process,
blocked_signals);
return new impl::SignalTrap(impl::SignalTrap::Scope::process, blocked_signals);
}
std::shared_ptr<core::posix::SignalTrap> core::posix::trap_signals_for_all_subsequent_threads(

9
src/anbox/cmds/session_manager.cpp
View file

@ -131,7 +131,7 @@ anbox::cmds::SessionManager::SessionManager()
use_system_dbus_));
action([this](const cli::Command::Context &) {
auto trap = core::posix::trap_signals_for_process(
core::posix::SignalTrap* trap = core::posix::trap_signals_for_process(
{core::posix::Signal::sig_term, core::posix::Signal::sig_int});
trap->signal_raised().connect([trap](const core::posix::Signal &signal) {
INFO("Signal %i received. Good night.", static_cast<int>(signal));
@ -139,11 +139,13 @@ anbox::cmds::SessionManager::SessionManager()
});
if (standalone_ && !experimental_) {
delete trap;
ERROR("Experimental features selected, but --experimental flag not set");
return EXIT_FAILURE;
}
if (!fs::exists("/dev/binder") || !fs::exists("/dev/ashmem")) {
delete trap;
ERROR("Failed to start as either binder or ashmem kernel drivers are not loaded");
return EXIT_FAILURE;
}
@ -176,8 +178,10 @@ anbox::cmds::SessionManager::SessionManager()
input_manager,
display_frame,
single_window_);
if (!platform)
if (!platform) {
delete trap;
return EXIT_FAILURE;
}
auto app_db = std::make_shared<application::Database>();
@ -283,6 +287,7 @@ anbox::cmds::SessionManager::SessionManager()
rt->stop();
delete trap;
return EXIT_SUCCESS;
});
}