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_ :: compile_assert(ODIN_OS == "windows");
import win32 "sys/windows.odin";
Thread :: struct {
using specific: Os_Specific;
procedure: Proc;
data: any;
user_index: int;
init_context: Context;
use_init_context: bool;
Proc :: #type proc(^Thread) -> int;
Os_Specific :: struct {
win32_thread: win32.Handle;
win32_thread_id: u32;
}
}
create :: proc(procedure: Thread.Proc) -> ^Thread {
win32_thread_id: u32;
__windows_thread_entry_proc :: proc(data: rawptr) -> i32 #cc_c {
if data == nil do return 0;
t := cast(^Thread)data;
c := context;
if t.use_init_context {
c = t.init_context;
}
exit := 0;
push_context c {
exit = t.procedure(t);
}
return cast(i32)exit;
}
win32_thread_proc := cast(rawptr)__windows_thread_entry_proc;
thread := new(Thread);
win32_thread := win32.create_thread(nil, 0, win32_thread_proc, thread, win32.CREATE_SUSPENDED, &win32_thread_id);
if win32_thread == nil {
free(thread);
return nil;
}
thread.procedure = procedure;
thread.win32_thread = win32_thread;
thread.win32_thread_id = win32_thread_id;
return thread;
}
start :: proc(using thread: ^Thread) {
win32.resume_thread(win32_thread);
}
is_done :: proc(using thread: ^Thread) -> bool {
res := win32.wait_for_single_object(win32_thread, 0);
return res != win32.WAIT_TIMEOUT;
}
join :: proc(using thread: ^Thread) {
win32.wait_for_single_object(win32_thread, win32.INFINITE);
win32.close_handle(win32_thread);
win32_thread = win32.INVALID_HANDLE;
}
destroy :: proc(thread: ^Thread) {
join(thread);
free(thread);
}
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