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Basic ^C interrupt implementation.

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For testing, I made cat put itself into a new process group.
This should eventually be done by sh between fork() and exec().
This commit is contained in:
Andreas Kling 2018-11-02 14:06:48 +01:00
parent 621217ffeb
commit 10b666f69a
11 changed files with 94 additions and 38 deletions
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5
Kernel/Process.h
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@ -73,6 +73,8 @@ public:
void setWakeupTime(DWORD t) { m_wakeupTime = t; }
DWORD wakeupTime() const { return m_wakeupTime; }
static void for_each_in_pgrp(pid_t pgid, Function<void(Process&)>);
static void prepForIRETToNewProcess();
bool tick() { ++m_ticks; return --m_ticksLeft; }
@ -151,6 +153,8 @@ public:
FileHandle* file_descriptor(size_t i) { return m_file_descriptors[i].ptr(); }
const FileHandle* file_descriptor(size_t i) const { return m_file_descriptors[i].ptr(); }
void send_signal(int signal, Process* sender);
private:
friend class MemoryManager;
friend bool scheduleNewProcess();
@ -211,7 +215,6 @@ private:
pid_t m_parentPID { 0 };
static void notify_waiters(pid_t waitee, int exit_status, int signal);
void murder(int signal);
Vector<String> m_arguments;
Vector<String> m_initialEnvironment;