void debugger_kill_callback(struct allocation_t* ref) { if (!ref) return; struct message_t* message = __get(ref); if (!message) return; // Only handle requests if (message->header.request != 1) goto cleanup; if (!message->payload) { messagemanager_sendErrorMessage(gFramework->messageManager, ref, ENOMEM); goto cleanup; } struct debugger_kill_t* killRequest = (struct debugger_kill_t*)message->payload; int result = kkill(killRequest->pid, killRequest->signal); if (result < 0) messagemanager_sendErrorMessage(gFramework->messageManager, ref, result); else messagemanager_sendSuccessMessage(gFramework->messageManager, ref); cleanup: __dec(ref); }
/** * Call by the exeption to handle the syscall * \private */ void syscall_handler(registers_t * regs) { int32_t res = 0; int32_t syscall = regs->v_reg[0]; // code of the syscall switch (syscall) { case FOURCHETTE: res = create_proc(get_arg((char **) regs->a_reg[2], 0), regs->a_reg[0], regs->a_reg[1], (char **) regs->a_reg[2]); break; case PRINT: res = print_string((char *) regs->a_reg[0]); return; /* We save the good return value in the pcb */ case READ: res = read_string((char *) regs->a_reg[0], regs->a_reg[1]); return; /* We save the good return value in the pcb */ case FPRINT: if (regs->a_reg[0] == CONSOLE) kprint((char *) regs->a_reg[1]); else kmaltaprint8((char *) regs->a_reg[1]); break; case SLEEP: res = go_to_sleep(regs->a_reg[0]); break; case BLOCK: res = kblock(regs->a_reg[0], BLOCKED); break; case UNBLOCK: kwakeup(regs->a_reg[0]); break; case WAIT: res = waitfor(regs->a_reg[0], (int32_t *) regs->a_reg[1]); break; case SEND: res = send_msg(pcb_get_pid(get_current_pcb()), (msg_arg *) regs->a_reg[0]); break; case RECV: res = recv_msg(pcb_get_pid(get_current_pcb()), (msg_arg *) regs->a_reg[0]); if (res == NOTFOUND) go_to_sleep(((msg_arg *) regs->a_reg[0])->timeout); break; case PERROR: kperror((char *) regs->a_reg[0]); break; case GERROR: res = kgerror(); break; case SERROR: kserror(regs->a_reg[0]); break; case GETPINFO: res = get_pinfo(regs->a_reg[0], (pcbinfo *) regs->a_reg[1]); break; case GETPID: res = pcb_get_pid(get_current_pcb()); break; case GETALLPID: res = get_all_pid((int *) regs->a_reg[0]); break; case CHGPPRI: res = chg_ppri(regs->a_reg[0], regs->a_reg[1]); break; case KILL: res = kkill(regs->a_reg[0]); break; case EXIT: kexit(regs->a_reg[0]); break; default: kprintln("ERROR: Unknown syscall"); break; } // saves the return code regs->v_reg[0] = res; return; }