common/uapi/ipc.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

#include <apos/uapi.h>
#include <apos/tcb.h>

SYSCALL_DEFINE1(ipc_server)(vm_t callback)
{
	struct tcb *r = cur_tcb();
	if (r->callback) /* server can't be reinitialized */
		return 1;

	r->callback = callback;
	return 0;
}

SYSCALL_DEFINE4(ipc_req)(vm_t pid, vm_t d0, vm_t d1, vm_t d2)
{
	struct tcb *t = get_tcb(pid);
	/* something like jump_to_callback(t, d0, d1, d2) */
	return 0;
}

SYSCALL_DEFINE2(ipc_resp)(vm_t pid, vm_t ret)
{
	struct tcb *r = get_tcb(pid);
	/* something like return_from_callback(t, r) */
	return 0; /* oh yeah probably unreachable? */
}