int run_test_process(ContextAttachCallBack * done, void * data) { #if defined(WIN32) char fnm[FILE_PATH_SIZE]; char cmd[FILE_PATH_SIZE]; int res = 0; STARTUPINFO si; PROCESS_INFORMATION prs; ContextAttachArgs * args; memset(&si, 0, sizeof(si)); memset(&prs, 0, sizeof(prs)); memset(fnm, 0, sizeof(fnm)); if (GetModuleFileName(NULL, fnm, sizeof(fnm)) == 0) { set_win32_errno(GetLastError()); return -1; } si.cb = sizeof(si); strcpy(cmd, "agent.exe -t"); if (CreateProcess(fnm, cmd, NULL, NULL, FALSE, CREATE_SUSPENDED | CREATE_DEFAULT_ERROR_MODE | CREATE_NO_WINDOW, NULL, NULL, &si, &prs) == 0) { set_win32_errno(GetLastError()); return -1; } args = (ContextAttachArgs *)loc_alloc(sizeof(ContextAttachArgs)); args->done = done; args->data = data; args->thread = prs.hThread; args->process = prs.hProcess; res = context_attach(prs.dwProcessId, done_context_attach, args, 0); if (res != 0) loc_free(args); return res; #elif defined(_WRS_KERNEL) int tid = taskCreate("tTcf", 100, 0, 0x4000, (FUNCPTR)test_proc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); if (tid == 0) return -1; taskStop(tid); taskActivate(tid); assert(taskIsStopped(tid)); return context_attach(tid, done, data, 0); #else /* Create child process to debug */ int pid = fork(); if (pid < 0) return -1; if (pid == 0) { int fd; if (context_attach_self() < 0) exit(1); fd = sysconf(_SC_OPEN_MAX); while (fd-- > 2) close(fd); if (tkill(getpid(), SIGSTOP) < 0) exit(1); test_proc(); exit(0); } return context_attach(pid, done, data, CONTEXT_ATTACH_SELF); #endif }
static void command_attach(char * token, Channel * c) { int err = 0; char id[256]; pid_t pid, parent; json_read_string(&c->inp, id, sizeof(id)); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX); pid = id2pid(id, &parent); if (parent != 0) { err = ERR_INV_CONTEXT; } else if (context_find_from_pid(pid) != NULL) { err = ERR_ALREADY_ATTACHED; } else { AttachDoneArgs * data = loc_alloc_zero(sizeof *data); data->c = c; strcpy(data->token, token); if (context_attach(pid, attach_done, data, 0) == 0) { stream_lock(c); return; } err = errno; loc_free(data); } write_stringz(&c->out, "R"); write_stringz(&c->out, token); write_errno(&c->out, err); write_stream(&c->out, MARKER_EOM); }
object_t get_local(context_t context, int uplevel, int offset) { object_t cur = context->env; while (uplevel > 0) { if (cur->environment.parent == OBJECT_NULL) return NULL; else cur = cur->environment.parent; -- uplevel; } if (offset >= cur->environment.length) return NULL; object_t result = SLOT_GET(cur->environment.slot_entry[offset]); if (IS_OBJECT(result)) context_attach(context, result); return result; }
static void command_start(char * token, Channel * c) { int pid = 0; int err = 0; char dir[FILE_PATH_SIZE]; char exe[FILE_PATH_SIZE]; char ** args = NULL; char ** envp = NULL; int args_len = 0; int envp_len = 0; int attach = 0; int selfattach = 0; int pending = 0; ChildProcess * prs = NULL; Trap trap; if (set_trap(&trap)) { json_read_string(&c->inp, dir, sizeof(dir)); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); json_read_string(&c->inp, exe, sizeof(exe)); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); args = json_read_alloc_string_array(&c->inp, &args_len); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); envp = json_read_alloc_string_array(&c->inp, &envp_len); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); attach = json_read_boolean(&c->inp); if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX); if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX); if (dir[0] != 0 && chdir(dir) < 0) err = errno; if (err == 0 && start_process(c, envp, dir, exe, args, attach, &pid, &selfattach, &prs) < 0) err = errno; if (prs != NULL) { write_process_input(prs); prs->out_struct = read_process_output(prs, prs->out, prs->out_id, sizeof(prs->out_id)); if (prs->out != prs->err) prs->err_struct = read_process_output(prs, prs->err, prs->err_id, sizeof(prs->err_id)); strncpy(prs->name, exe, sizeof(prs->name) - 1); } if (!err) { if (attach) { AttachDoneArgs * data = loc_alloc_zero(sizeof *data); data->c = c; strcpy(data->token, token); pending = context_attach(pid, start_done, data, selfattach) == 0; if (pending) { stream_lock(c); } else { err = errno; loc_free(data); } } else { add_waitpid_process(pid); } } if (!pending) { write_stringz(&c->out, "R"); write_stringz(&c->out, token); write_errno(&c->out, err); if (err || pid == 0) { write_stringz(&c->out, "null"); } else { write_context(&c->out, pid); write_stream(&c->out, 0); } write_stream(&c->out, MARKER_EOM); } clear_trap(&trap); } loc_free(args); loc_free(envp); if (trap.error) exception(trap.error); }