apio
dc766e1da7
Some checks failed
Build and test / build (push) Has been cancelled
VFS functions now accept a single Process* pointer instead of credentials and groups. There is now a distinction between processes and threads Now to fix all the bugs... waitpid crashes the process with an NX error...
33 lines
953 B
C++
33 lines
953 B
C++
#include "memory/MemoryManager.h"
|
|
#include "sys/Syscall.h"
|
|
#include "thread/Scheduler.h"
|
|
#include <bits/rusage.h>
|
|
|
|
static void ticks_to_rusage(struct rusage* ru, u64 sticks, u64 uticks)
|
|
{
|
|
ru->ru_stime.tv_sec = sticks / 1000;
|
|
ru->ru_stime.tv_usec = (sticks % 1000) * 1000;
|
|
ru->ru_utime.tv_sec = uticks / 1000;
|
|
ru->ru_utime.tv_usec = (uticks % 1000) * 1000;
|
|
}
|
|
|
|
Result<u64> sys_getrusage(Registers*, SyscallArgs args)
|
|
{
|
|
int who = (int)args[0];
|
|
struct rusage* ru = (struct rusage*)args[1];
|
|
|
|
auto* current = Process::current();
|
|
|
|
struct rusage kru;
|
|
switch (who)
|
|
{
|
|
case RUSAGE_SELF: ticks_to_rusage(&kru, current->kernel_ticks_self, current->user_ticks_self); break;
|
|
case RUSAGE_CHILDREN: ticks_to_rusage(&kru, current->kernel_ticks_children, current->user_ticks_children); break;
|
|
default: return err(EINVAL);
|
|
}
|
|
|
|
if (!MemoryManager::copy_to_user_typed(ru, &kru)) return err(EFAULT);
|
|
|
|
return 0;
|
|
}
|