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 ---
}