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Kernel: Change signal kernel API

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return rsp and rip are now stored per thread
This commit is contained in:
Bananymous
2023-07-23 18:33:10 +03:00
parent 2dce0a0415
commit 9729e5a05b
7 changed files with 62 additions and 29 deletions
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4
kernel/include/kernel/Process.h
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@@ -101,8 +101,8 @@ namespace Kernel
BAN::ErrorOr<long> sys_free(void*);
BAN::ErrorOr<long> sys_signal(int, void (*)(int));
BAN::ErrorOr<long> sys_kill(pid_t pid, int signal, uintptr_t& return_rsp, uintptr_t& return_rip);
BAN::ErrorOr<long> sys_raise(int signal, uintptr_t& return_rsp, uintptr_t& return_rip);
BAN::ErrorOr<long> sys_raise(int signal);
static BAN::ErrorOr<long> sys_kill(pid_t pid, int signal);
BAN::ErrorOr<long> sys_termid(char*) const;

9
kernel/include/kernel/Thread.h
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@@ -40,7 +40,11 @@ namespace Kernel
bool has_signal_to_execute() const;
void set_signal_done(int signal);
void handle_next_signal();
void handle_signal(int signal, uintptr_t& return_rsp, uintptr_t& return_rip);
void set_return_rsp(uintptr_t& rsp) { m_return_rsp = &rsp; }
void set_return_rip(uintptr_t& rip) { m_return_rip = &rip; }
uintptr_t& return_rsp() { ASSERT(m_return_rsp); return *m_return_rsp; }
uintptr_t& return_rip() { ASSERT(m_return_rip); return *m_return_rip; }
pid_t tid() const { return m_tid; }
@@ -90,6 +94,9 @@ namespace Kernel
bool m_in_syscall { false };
bool m_is_userspace { false };
uintptr_t* m_return_rsp { nullptr };
uintptr_t* m_return_rip { nullptr };
BAN::CircularQueue<int, 10> m_signal_queue;
uint64_t m_signal_mask { 0 };
bool m_handling_signal { false };