diff options
Diffstat (limited to 'Kernel/Process.h')
| -rw-r--r-- | Kernel/Process.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Kernel/Process.h b/Kernel/Process.h index b9c2d0f010..32c7e803ae 100644 --- a/Kernel/Process.h +++ b/Kernel/Process.h @@ -51,6 +51,13 @@ public: bool isRing0() const { return m_ring == Ring0; } bool isRing3() const { return m_ring == Ring3; } + bool is_blocked() const + { + return m_state == BlockedSleep || m_state == BlockedWait || m_state == BlockedRead; + } + + bool in_kernel() const { return (m_tss.cs & 0x03) == 0; } + static Process* fromPID(pid_t); static Process* kernelProcess(); @@ -115,6 +122,7 @@ public: int sys$kill(pid_t pid, int sig); int sys$geterror() { return m_error; } void sys$exit(int status); + void sys$sigreturn(); pid_t sys$spawn(const char* path, const char** args, const char** envp); pid_t sys$waitpid(pid_t, int* wstatus, int options); void* sys$mmap(void*, size_t size); @@ -212,6 +220,7 @@ private: State m_state { Invalid }; DWORD m_wakeupTime { 0 }; TSS32 m_tss; + TSS32 m_tss_to_resume_kernel; Vector<RetainPtr<FileDescriptor>> m_file_descriptors; RingLevel m_ring { Ring0 }; int m_error { 0 }; @@ -243,16 +252,23 @@ private: // FIXME: Implement some kind of ASLR? LinearAddress m_nextRegion; - LinearAddress m_return_from_signal_trampoline; + LinearAddress m_return_to_ring3_from_signal_trampoline; + LinearAddress m_return_to_ring0_from_signal_trampoline; pid_t m_ppid { 0 }; mode_t m_umask { 022 }; + bool m_was_interrupted_while_blocked { false }; + static void notify_waiters(pid_t waitee, int exit_status, int signal); Vector<String> m_arguments; Vector<String> m_initialEnvironment; HashTable<gid_t> m_gids; + + Region* m_stack_region { nullptr }; + Region* m_signal_stack_user_region { nullptr }; + Region* m_signal_stack_kernel_region { nullptr }; }; class ProcessInspectionScope { |