X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b60166b327a9108b07e3069fa6568a451529ffd9..69777bdcab284335651a8002e2896f3862fa423d:/lunaix-os/kernel/process/sched.c diff --git a/lunaix-os/kernel/process/sched.c b/lunaix-os/kernel/process/sched.c index c92cde9..bdd9736 100644 --- a/lunaix-os/kernel/process/sched.c +++ b/lunaix-os/kernel/process/sched.c @@ -23,8 +23,10 @@ #include +struct thread empty_thread_obj; + volatile struct proc_info* __current; -volatile struct thread* current_thread; +volatile struct thread* current_thread = &empty_thread_obj; struct scheduler sched_ctx; @@ -53,6 +55,7 @@ run(struct thread* thread) thread->process->state = PS_RUNNING; thread->process->th_active = thread; + procvm_mount_self(vmspace(thread->process)); set_current_executing(thread); switch_context(); @@ -80,9 +83,11 @@ cleanup_detached_threads() { continue; } - vmm_mount_pd(VMS_MOUNT_1, vmroot(pos->process)); - destory_thread(VMS_MOUNT_1, pos); - vmm_unmount_pd(VMS_MOUNT_1); + struct proc_mm* mm = vmspace(pos->process); + + procvm_mount(mm); + destory_thread(pos); + procvm_unmount(mm); i++; } @@ -173,8 +178,10 @@ schedule() if (!(current_thread->state & ~PS_RUNNING)) { current_thread->state = PS_READY; __current->state = PS_READY; + } + procvm_unmount_self(vmspace(__current)); check_sleepers(); // round-robin scheduler @@ -447,7 +454,7 @@ commit_process(struct proc_info* process) } void -destory_thread(ptr_t vm_mnt, struct thread* thread) +destory_thread(struct thread* thread) { cake_ensure_valid(thread); @@ -458,7 +465,7 @@ destory_thread(ptr_t vm_mnt, struct thread* thread) llist_delete(&thread->sleep.sleepers); waitq_cancel_wait(&thread->waitqueue); - thread_release_mem(thread, vm_mnt); + thread_release_mem(thread); proc->thread_count--; sched_ctx.ttable_len--; @@ -470,6 +477,7 @@ void delete_process(struct proc_info* proc) { pid_t pid = proc->pid; + struct proc_mm* mm = vmspace(proc); assert(pid); // long live the pid0 !! @@ -503,17 +511,15 @@ delete_process(struct proc_info* proc) signal_free_registers(proc->sigreg); - vmm_mount_pd(VMS_MOUNT_1, vmroot(proc)); + procvm_mount(mm); struct thread *pos, *n; llist_for_each(pos, n, &proc->threads, proc_sibs) { // terminate and destory all thread unconditionally - destory_thread(VMS_MOUNT_1, pos); + destory_thread(pos); } - procvm_cleanup(VMS_MOUNT_1, proc); - - vmm_unmount_pd(VMS_MOUNT_1); + procvm_unmount_release(mm); cake_release(proc_pile, proc); }