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Make thread handle a pointer to TCB on linux

This commit is contained in:
flysand7 2023-09-06 07:55:45 +11:00
parent 3d761f344f
commit 00d284215c
3 changed files with 6 additions and 2 deletions
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1
include/cia/sync.h
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@ -15,3 +15,4 @@ struct Cia_Mutex {
void cia_mutex_init(Cia_Mutex *mutex); void cia_mutex_init(Cia_Mutex *mutex);
void cia_mutex_lock(Cia_Mutex *mutex); void cia_mutex_lock(Cia_Mutex *mutex);
void cia_mutex_unlock(Cia_Mutex *mutex); void cia_mutex_unlock(Cia_Mutex *mutex);

1
include/tinyrt.h
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@ -51,7 +51,6 @@ _Noreturn static void _rt_program_exit(int code);
// Thread API // Thread API
struct _RT_Thread typedef _RT_Thread; struct _RT_Thread typedef _RT_Thread;
struct _RT_Thread { struct _RT_Thread {
u64 tid;
void *handle; void *handle;
}; };
static _RT_Status _rt_thread_current(_RT_Thread *thread); static _RT_Status _rt_thread_current(_RT_Thread *thread);

6
os/linux/tinyrt-threads.c
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@ -10,7 +10,8 @@ extern i64 _cia_start_thread(
); );
static _RT_Status _rt_thread_current(_RT_Thread *thread) { static _RT_Status _rt_thread_current(_RT_Thread *thread) {
return _RT_ERROR_NOT_IMPLEMENTED; thread->handle = (void *)((u64)__builtin_frame_address(0) & ~(cia_stack_size - 1));
return _RT_STATUS_OK;
} }
static _RT_Status _rt_thread_create(_RT_Thread *thread, int (*thread_fn)(void *ctx), void *ctx) { static _RT_Status _rt_thread_create(_RT_Thread *thread, int (*thread_fn)(void *ctx), void *ctx) {
@ -29,6 +30,9 @@ static _RT_Status _rt_thread_create(_RT_Thread *thread, int (*thread_fn)(void *c
for(int i = 0; i < cia_tls_image_size; ++i) { for(int i = 0; i < cia_tls_image_size; ++i) {
tls_base[i] = ((u8 *)cia_tls_image_base)[i]; tls_base[i] = ((u8 *)cia_tls_image_base)[i];
} }
// Initialize the _RT_Thread handle, which would point to
// the TCB
thread->handle = tcb;
// Create the new thread // Create the new thread
u64 flags = 0; u64 flags = 0;
// flags |= CLONE_CHILD_CLEARTID; // flags |= CLONE_CHILD_CLEARTID;