Sinipelto/banan-os
1
0
Fork 0
forked from Bananymous/banan-os
Code Pull Requests Activity

Kernel: Change signal kernel API

Browse Source 
return rsp and rip are now stored per thread
This commit is contained in:
Bananymous
2023-07-23 18:33:10 +03:00
parent adb14ba373
commit f7bf6d5e62
7 changed files with 62 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
kernel/kernel/Process.cpp
View File

@@ -806,18 +806,19 @@ namespace Kernel
return 0;
}
BAN::ErrorOr<long> Process::sys_kill(pid_t pid, int signal, uintptr_t& return_rsp, uintptr_t& return_rip)
BAN::ErrorOr<long> Process::sys_kill(pid_t pid, int signal)
{
if (pid <= 0)
return BAN::Error::from_errno(ENOTSUP);
if (signal != 0 && (signal < _SIGMIN || signal > _SIGMAX))
return BAN::Error::from_errno(EINVAL);
if (pid == this->pid())
return sys_raise(signal, return_rsp, return_rip);
if (pid == Process::current().pid())
return Process::current().sys_raise(signal);
LockGuard process_guard(s_process_lock);
CriticalScope _;
for (auto* process : s_processes)
{
if (process->pid() == pid)
@@ -831,17 +832,24 @@ namespace Kernel
return BAN::Error::from_errno(ESRCH);
}
BAN::ErrorOr<long> Process::sys_raise(int signal, uintptr_t& return_rsp, uintptr_t& return_rip)
BAN::ErrorOr<long> Process::sys_raise(int signal)
{
if (signal < _SIGMIN || signal > _SIGMAX)
return BAN::Error::from_errno(EINVAL);
ASSERT(m_threads.size() == 1);
CriticalScope _;
Thread::current().m_signal_queue.push(signal);
Thread::current().handle_signal(signal, return_rsp, return_rip);
Thread& current = Thread::current();
current.m_signal_queue.push(signal);
current.handle_next_signal();
return 0;
}
pid_t Process::foreground_pid()
{
ASSERT(s_foreground_pid);
return s_foreground_pid;
}
BAN::ErrorOr<long> Process::sys_setuid(uid_t uid)
{
if (uid < 0 || uid >= 1'000'000'000)