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Maintain recursive process execution and system time.

This commit is contained in:
Jonas 'Sortie' Termansen 2013-05-15 00:58:54 +02:00
parent 1c64a7fda1
commit 5da12519cd
4 changed files with 14 additions and 1 deletions
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2
sortix/include/sortix/kernel/process.h
View File

@ -147,6 +147,8 @@ public:
Timer alarm_timer;
Clock execute_clock;
Clock system_clock;
Clock child_execute_clock;
Clock child_system_clock;
public:
int Execute(const char* programname, const uint8_t* program,

5
sortix/process.cpp
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@ -437,6 +437,11 @@ namespace Sortix
thepid = zombie->pid;
// It is safe to access these clocks directly as the child process is no
// longer running at this point and the values are nicely frozen.
child_execute_clock.Advance(zombie->child_execute_clock.current_time);
child_system_clock.Advance(zombie->child_system_clock.current_time);
int exitstatus = zombie->exitstatus;
if ( exitstatus < 0 )
exitstatus = W_EXITCODE(128 + SIGKILL, SIGKILL);

4
sortix/time.cpp
View File

@ -83,8 +83,10 @@ void OnTick(struct timespec tick_period, bool system_mode)
uptime_clock->Advance(tick_period);
Process* process = CurrentProcess();
process->execute_clock.Advance(tick_period);
process->child_execute_clock.Advance(tick_period);
if ( system_mode )
process->system_clock.Advance(tick_period);
process->system_clock.Advance(tick_period),
process->child_system_clock.Advance(tick_period);
}
void Init()

4
sortix/x86-family/time.cpp
View File

@ -116,6 +116,10 @@ void InitializeProcessClocks(Process* process)
process->execute_clock.Set(&nul_time, &tick_period);
process->system_clock.SetCallableFromInterrupts(true);
process->system_clock.Set(&nul_time, &tick_period);
process->child_execute_clock.Set(&nul_time, &tick_period);
process->child_execute_clock.SetCallableFromInterrupts(true);
process->child_system_clock.Set(&nul_time, &tick_period);
process->child_system_clock.SetCallableFromInterrupts(true);
}
void Start()