package libc

// 7.14 Signal handling

when ODIN_OS == "windows" {
	foreign import libc "system:libucrt.lib"
} else {
	foreign import libc "system:c"
}

sig_atomic_t :: distinct atomic_int;

@(default_calling_convention="c")
foreign libc {
	signal :: proc(sig: int, func: proc "c" (int)) -> proc "c" (int) ---;
	raise  :: proc(sig: int) -> int ---;
}

when ODIN_OS == "windows" {
	SIG_ERR :: rawptr(~uintptr(0)); 
	SIG_DFL :: rawptr(uintptr(0));
	SIG_IGN :: rawptr(uintptr(1));

	SIGABRT :: 22;
	SIGFPE  :: 8;
	SIGILL  :: 4;
	SIGINT  :: 2;
	SIGSEGV :: 11;
	SIGTERM :: 15;
}

when ODIN_OS == "linux" || ODIN_OS == "freebsd" || ODIN_OS == "darwin" {
	SIG_ERR  :: rawptr(~uintptr(0));
	SIG_DFL  :: rawptr(uintptr(0));
	SIG_IGN  :: rawptr(uintptr(1)); 

	SIGABRT  :: 6;
	SIGFPE   :: 8;
	SIGILL   :: 4;
	SIGINT   :: 2;
	SIGSEGV  :: 11;
	SIGTERM  :: 15;
}