package darwin;

foreign import pthread "System.framework"

import "core:c"

// NOTE(tetra): Unclear whether these should be aligned 16 or not.
// However all other sync primitives are aligned for robustness.
// I cannot currently align these though.
// See core/sys/unix/pthread_linux.odin/pthread_t.
task_t :: distinct u64;
semaphore_t :: distinct u64;

kern_return_t :: distinct u64;
thread_act_t :: distinct u64;

@(default_calling_convention="c")
foreign pthread {
	mach_task_self :: proc() -> task_t ---;

	semaphore_create :: proc(task: task_t, semaphore: ^semaphore_t, policy, value: c.int) -> kern_return_t ---;
	semaphore_destroy :: proc(task: task_t, semaphore: semaphore_t) -> kern_return_t ---;

	semaphore_signal :: proc(semaphore: semaphore_t) -> kern_return_t ---;
	semaphore_signal_all :: proc(semaphore: semaphore_t) -> kern_return_t ---;
	semaphore_signal_thread :: proc(semaphore: semaphore_t, thread: thread_act_t) -> kern_return_t ---;
	
	semaphore_wait :: proc(semaphore: semaphore_t) -> kern_return_t ---;
}
