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sched: implement various ways to end tasks and threads

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This commit is contained in:
max 🍓
2026-03-18 21:07:43 +00:00
parent e03b2e07d0
commit 4551e7b2e6
12 changed files with 148 additions and 17 deletions
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1
syscall/dispatch.c
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@@ -11,6 +11,7 @@ static const virt_addr_t syscall_table[] = {
SYSCALL_TABLE_ENTRY(TASK_CREATE_THREAD, task_create_thread),
SYSCALL_TABLE_ENTRY(TASK_GET_ADDRESS_SPACE, task_get_address_space),
SYSCALL_TABLE_ENTRY(THREAD_START, thread_start),
SYSCALL_TABLE_ENTRY(THREAD_EXIT, thread_exit),
SYSCALL_TABLE_ENTRY(THREAD_CONFIG_GET, thread_config_get),
SYSCALL_TABLE_ENTRY(THREAD_CONFIG_SET, thread_config_set),
SYSCALL_TABLE_ENTRY(VM_OBJECT_CREATE, vm_object_create),

4
syscall/log.c
View File

@@ -1,10 +1,12 @@
#include <kernel/printk.h>
#include <kernel/sched.h>
#include <kernel/task.h>
#include <kernel/thread.h>
kern_status_t sys_kern_log(const char *s)
{
struct task *task = current_task();
printk("%s[%d]: %s", task->t_name, task->t_id, s);
struct thread *thread = current_thread();
printk("%s[%d.%d]: %s", task->t_name, task->t_id, thread->tr_id, s);
return KERN_OK;
}

20
syscall/task.c
View File

@@ -10,11 +10,8 @@ extern kern_status_t sys_task_exit(int status)
{
struct task *self = current_task();
printk("%s[%d]: task_exit(%d)", self->t_name, self->t_id, status);
while (1) {
milli_sleep(5000);
}
return KERN_UNIMPLEMENTED;
task_exit(status);
return KERN_FATAL_ERROR;
}
kern_status_t sys_task_self(kern_handle_t *out)
@@ -179,6 +176,7 @@ kern_status_t sys_task_create_thread(
&target_handle,
&out_handle);
if (status != KERN_OK) {
object_unref(target_obj);
task_unlock_irqrestore(self, flags);
return status;
}
@@ -198,10 +196,11 @@ kern_status_t sys_task_create_thread(
}
thread_init_user(thread, ip, sp, args, nr_args);
target_handle->h_object = &thread->thr_base;
object_add_handle(&thread->thr_base);
target_handle->h_object = &thread->tr_base;
object_add_handle(&thread->tr_base);
task_unlock_irqrestore(target, flags);
object_unref(target_obj);
*out_thread = out_handle;
return KERN_OK;
@@ -288,6 +287,13 @@ kern_status_t sys_thread_start(kern_handle_t thread_handle)
return KERN_OK;
}
kern_status_t sys_thread_exit(void)
{
thread_exit();
/* unreachable */
return KERN_FATAL_ERROR;
}
kern_status_t sys_thread_config_get(
kern_handle_t thread_handle,
kern_config_key_t key,