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#include <syscall/syscall.h>
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#include <syscall/syscall.h>
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#include <proc/thread.h>
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#include <proc/thread.h>
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#include <print.h>
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#include <print.h>
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#include <putchar.h>
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#include <putchar.h>
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#include <ipc/ipc.h>
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#include <errno.h>
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#include <proc/task.h>
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#include <arch.h>
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#include <debug.h>
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int sys_ctl(void) {
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static __native sys_ctl(void) {
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    printf("Thread finished\n");
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    printf("Thread finished\n");
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    thread_exit();
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    thread_exit();
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    /* Unreachable */
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    /* Unreachable */
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    return 0;
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    return 0;
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}
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}
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int sys_io(int fd, const void * buf, size_t count) {
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static __native sys_io(int fd, const void * buf, size_t count) {
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    // TODO: buf sanity checks and a lot of other stuff ...
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    // TODO: buf sanity checks and a lot of other stuff ...
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    size_t i;
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    size_t i;
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        putchar(((char *) buf)[i]);
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        putchar(((char *) buf)[i]);
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    return count;
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    return count;
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}
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}
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/** Send a call over syscall
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 *
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 * @return Call identification, returns -1 on fatal error,
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           -2 on 'Too many async request, handle answers first
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 */
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static __native sys_ipc_call(__native phoneid, __native arg1, __native arg2)
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{
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    call_t *call;
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    phone_t *phone;
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    if (phoneid >= IPC_MAX_PHONES)
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        return -ENOENT;
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    phone = &TASK->phones[phoneid];
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    if (!phone->callee)
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        return -ENOENT;
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    /* TODO: Check that we did not exceed system imposed maximum
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     * of asynchrnously sent messages
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     * - the userspace should be able to handle it correctly
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     */
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    call = ipc_call_alloc();
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    call->data[0] = arg1;
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    call->data[1] = arg2;
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    ipc_call(phone, call);
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    return (__native) call;
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}
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/** Send IPC answer */
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static __native sys_ipc_answer(__native callid, __native arg1, __native arg2)
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{
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    call_t *call;
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    /* Check that the user is not sending us answer callid */
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    ASSERT(! (callid & 1));
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    /* TODO: Check that the callid is in the dispatch table */
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    call = (call_t *) callid;
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    call->data[0] = arg1;
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    call->data[1] = arg2;
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    ipc_answer(&TASK->answerbox, call);
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    return 0;
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}
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/** Wait for incoming ipc call or answer
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 *
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 * @param result
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 * @param flags
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 * @return Callid, if callid & 1, then the call is answer
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 */
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static __native sys_ipc_wait_for_call(__native *calldata, __native flags)
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{
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    call_t *call;
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    call = ipc_wait_for_call(&TASK->answerbox, flags);
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    copy_to_uspace(calldata, &call->data, sizeof(__native) * IPC_CALL_LEN);
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    if (call->flags & IPC_CALL_ANSWERED)
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        return ((__native)call) | 1;
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    return (__native)call;
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}
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syshandler_t syscall_table[SYSCALL_END] = {
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syshandler_t syscall_table[SYSCALL_END] = {
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    sys_ctl,
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    sys_ctl,
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    sys_io
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    sys_io,
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    sys_ipc_call,
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    sys_ipc_answer,
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    sys_ipc_wait_for_call
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};
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};