mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
5c68929aa1
Calling systrace(pid) gives you a file descriptor with a stream of the syscalls made by a peer process. The process must be owned by the same UID who calls systrace(). :^)
31 lines
668 B
C++
31 lines
668 B
C++
#include <Kernel/ProcessTracer.h>
|
|
#include <AK/kstdio.h>
|
|
|
|
ProcessTracer::ProcessTracer(pid_t pid)
|
|
: m_pid(pid)
|
|
{
|
|
|
|
}
|
|
|
|
ProcessTracer::~ProcessTracer()
|
|
{
|
|
|
|
}
|
|
|
|
void ProcessTracer::did_syscall(dword function, dword arg1, dword arg2, dword arg3, dword result)
|
|
{
|
|
CallData data = { function, arg1, arg2, arg3, result };
|
|
m_calls.enqueue(data);
|
|
}
|
|
|
|
int ProcessTracer::read(byte* buffer, int buffer_size)
|
|
{
|
|
if (!m_calls.is_empty()) {
|
|
auto data = m_calls.dequeue();
|
|
// FIXME: This should not be an assertion.
|
|
ASSERT(buffer_size == sizeof(data));
|
|
memcpy(buffer, &data, sizeof(data));
|
|
return sizeof(data);
|
|
}
|
|
return 0;
|
|
}
|