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Kernel: Process should send SIGCHLD to its parent when it dies.

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This commit is contained in:
Andreas Kling 2019-02-04 13:30:03 +01:00
parent 7fe600f250
commit ba6ffea03c
2 changed files with 13 additions and 0 deletions
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5
Kernel/Process.cpp
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@ -2172,6 +2172,11 @@ void Process::die()
m_fds.clear(); m_fds.clear();
m_tty = nullptr; m_tty = nullptr;
destroy_all_windows(); destroy_all_windows();
InterruptDisabler disabler;
if (auto* parent_process = Process::from_pid(m_ppid)) {
parent_process->send_signal(SIGCHLD, this);
}
} }
size_t Process::amount_virtual() const size_t Process::amount_virtual() const

8
Userland/guitest2.cpp
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@ -16,6 +16,7 @@
#include <LibGUI/GEventLoop.h> #include <LibGUI/GEventLoop.h>
#include <LibGUI/GTextBox.h> #include <LibGUI/GTextBox.h>
#include <LibGUI/GCheckBox.h> #include <LibGUI/GCheckBox.h>
#include <signal.h>
class ClockWidget final : public GWidget { class ClockWidget final : public GWidget {
public: public:
@ -69,8 +70,15 @@ static GWindow* make_font_test_window();
static GWindow* make_launcher_window(); static GWindow* make_launcher_window();
static GWindow* make_clock_window(); static GWindow* make_clock_window();
void handle_sigchld(int)
{
dbgprintf("Got SIGCHLD\n");
}
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
signal(SIGCHLD, handle_sigchld);
GEventLoop loop; GEventLoop loop;
#if 0 #if 0
auto* font_test_window = make_font_test_window(); auto* font_test_window = make_font_test_window();