jmp_buf *timeout_setup(int ms) { struct itimerval t; jmp_t j; void *s; #ifdef DEBUG fprintf(stderr,"timeout setup\n"); #endif s=signal(SIGALRM,timeout_handler); /* set the timer */ t.it_interval.tv_sec = 0; t.it_interval.tv_usec = 0; t.it_value.tv_sec = ms / 1000; t.it_value.tv_usec = (ms % 1000) * 1000; /* get a jump buffer and save it */ j = erl_malloc(sizeof(*j)); j->siginfo = s; push(j); setitimer(ITIMER_REAL,&t,&(j->timerinfo)); return &(j->jmpbuf); }
/* * Create a BINARY. */ ETERM *erl_mk_binary (const char *b, int size) { ETERM *ep; if ((!b) || (size < 0)) return NULL; /* ASSERT(b != NULL); */ ep = erl_alloc_eterm(ERL_BINARY); ERL_COUNT(ep) = 1; ERL_BIN_SIZE(ep) = size; ERL_BIN_PTR(ep) = (unsigned char *) erl_malloc(size); memcpy(ERL_BIN_PTR(ep), b, size); return ep; }
static int process_reply(ETERM *pid, int cmd, const char *res) { ETERM *result; int len, retval; byte *buf; result = erl_format("{~i, ~w, ~s}", cmd, pid, res); len = erl_term_len(result); buf = erl_malloc(len); erl_encode(result, buf); retval = write_cmd(buf, len); erl_free_term(result); erl_free(buf); return retval; }
char* erl_iolist_to_string(const ETERM* term) { ETERM* bin; if ((bin = erl_iolist_to_binary(term)) == NULL) { return NULL; } else { char* result = NULL; if (memchr(ERL_BIN_PTR(bin), '\0', ERL_BIN_SIZE(bin)) == NULL) { result = (char *) erl_malloc(ERL_BIN_SIZE(bin)+1); memcpy(result, ERL_BIN_PTR(bin), ERL_BIN_SIZE(bin)); result[ERL_BIN_SIZE(bin)] = '\0'; } erl_free_term(bin); return result; } }
/* * Create a TUPLE. For each element in the tuple * bump its reference counter. */ ETERM *erl_mk_tuple (ETERM **arr,int size) { ETERM *ep; int i; if ((!arr) || (size < 0)) return NULL; for (i=0; i<size; i++) if (!arr[i]) return NULL; /* ASSERT(arr != NULL); */ ep = erl_alloc_eterm(ERL_TUPLE); ERL_COUNT(ep) = 1; ERL_TUPLE_SIZE(ep) = size; ERL_TUPLE_ELEMS(ep) = (ETERM**) erl_malloc((size) * (sizeof(ETERM*))); for (i = 0; i < size; i++) { /* ASSERT(arr[i] != NULL); */ ERL_COUNT(arr[i])++; ERL_TUPLE_ELEMENT(ep, i) = arr[i]; } return ep; }
static int process_reply(ETERM *pid, int cmd, int res) { ETERM *result; int len, retval; const char *errtxt; byte *buf; if (res == PAM_SUCCESS) result = erl_format("{~i, ~w, true}", cmd, pid); else { errtxt = pam_strerror(NULL, res); result = erl_format("{~i, ~w, {false, ~s}}", cmd, pid, errtxt); } len = erl_term_len(result); buf = erl_malloc(len); erl_encode(result, buf); retval = write_cmd((char *)buf, len); erl_free_term(result); erl_free(buf); return retval; }
ETERM *erl_iolist_to_binary (const ETERM* term) { ETERM *dest; int size; char* ptr; if (!term) return NULL; /* ASSERT(term != NULL); */ /* * Verify that the term is an I/O list and get its length. */ size = erl_iolist_length(term); if (size == -1) { return NULL; } /* * Allocate the binary and copy the contents of the I/O list into it. */ dest = erl_alloc_eterm(ERL_BINARY); ERL_COUNT(dest) = 1; ERL_BIN_SIZE(dest) = size; ptr = (char *)erl_malloc(size); ERL_BIN_PTR(dest) = (unsigned char *)ptr; iolist_to_buf(term, &ptr); /* * If ptr doesn't point exactly one byte beyond the end of the * binary, something must be seriously wrong. */ if (ERL_BIN_PTR(dest) + size != (unsigned char *) ptr) return NULL; /* ASSERT(ERL_BIN_PTR(dest) + size == (unsigned char *) ptr); */ return dest; }
/* * FIXME: Deep (the whole tree) or shallow (just the top term) copy? * The documentation never says, but the code as written below will * make a deep copy. This should be documented. */ ETERM *erl_copy_term(const ETERM *ep) { int i; ETERM *cp; if (!ep) return NULL; /* ASSERT(ep != NULL); */ cp = erl_alloc_eterm(ERL_TYPE(ep)); ERL_COUNT(cp) = 1; switch(ERL_TYPE(cp)) { case ERL_INTEGER: case ERL_SMALL_BIG: ERL_INT_VALUE(cp) = ERL_INT_VALUE(ep); break; case ERL_U_INTEGER: case ERL_U_SMALL_BIG: ERL_INT_UVALUE(cp) = ERL_INT_UVALUE(ep); break; case ERL_LONGLONG: ERL_LL_VALUE(cp) = ERL_LL_VALUE(ep); break; case ERL_U_LONGLONG: ERL_LL_UVALUE(cp) = ERL_LL_UVALUE(ep); break; case ERL_FLOAT: ERL_FLOAT_VALUE(cp) = ERL_FLOAT_VALUE(ep); break; case ERL_ATOM: if (!erl_atom_copy(&cp->uval.aval.d, &ep->uval.aval.d)) { erl_free_term(cp); erl_errno = ENOMEM; return NULL; } break; case ERL_PID: /* FIXME: First copy the bit pattern, then duplicate the node name and plug in. Somewhat ugly (also done with port and ref below). */ memcpy(&cp->uval.pidval, &ep->uval.pidval, sizeof(Erl_Pid)); erl_atom_copy(&cp->uval.pidval.node, &ep->uval.pidval.node); ERL_COUNT(cp) = 1; break; case ERL_PORT: memcpy(&cp->uval.portval, &ep->uval.portval, sizeof(Erl_Port)); erl_atom_copy(&cp->uval.portval.node, &ep->uval.portval.node); ERL_COUNT(cp) = 1; break; case ERL_REF: memcpy(&cp->uval.refval, &ep->uval.refval, sizeof(Erl_Ref)); erl_atom_copy(&cp->uval.refval.node, &ep->uval.refval.node); ERL_COUNT(cp) = 1; break; case ERL_LIST: HEAD(cp) = erl_copy_term(HEAD(ep)); TAIL(cp) = erl_copy_term(TAIL(ep)); break; case ERL_EMPTY_LIST: break; case ERL_TUPLE: i = ERL_TUPLE_SIZE(cp) = ERL_TUPLE_SIZE(ep); ERL_TUPLE_ELEMS(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*)); for(i=0; i < ERL_TUPLE_SIZE(ep); i++) ERL_TUPLE_ELEMENT(cp,i) = erl_copy_term(ERL_TUPLE_ELEMENT(ep, i)); break; case ERL_BINARY: ERL_BIN_SIZE(cp) = ERL_BIN_SIZE(ep); ERL_BIN_PTR(cp) = (unsigned char *) erl_malloc(ERL_BIN_SIZE(ep)); memcpy(ERL_BIN_PTR(cp), ERL_BIN_PTR(ep), ERL_BIN_SIZE(ep)); break; case ERL_FUNCTION: i = ERL_CLOSURE_SIZE(cp) = ERL_CLOSURE_SIZE(ep); ERL_FUN_ARITY(cp) = ERL_FUN_ARITY(ep); ERL_FUN_NEW_INDEX(cp) = ERL_FUN_NEW_INDEX(ep); ERL_FUN_INDEX(cp) = erl_copy_term(ERL_FUN_INDEX(ep)); ERL_FUN_UNIQ(cp) = erl_copy_term(ERL_FUN_UNIQ(ep)); ERL_FUN_CREATOR(cp) = erl_copy_term(ERL_FUN_CREATOR(ep)); ERL_FUN_MODULE(cp) = erl_copy_term(ERL_FUN_MODULE(ep)); memcpy(ERL_FUN_MD5(cp), ERL_FUN_MD5(ep), sizeof(ERL_FUN_MD5(ep))); ERL_CLOSURE(cp) = (ETERM**) erl_malloc(i * sizeof(ETERM*)); for(i=0; i < ERL_CLOSURE_SIZE(ep); i++) ERL_CLOSURE_ELEMENT(cp,i) = erl_copy_term(ERL_CLOSURE_ELEMENT(ep, i)); break; default: erl_err_msg("<ERROR> erl_copy_term: wrong type encountered !"); erl_free_term(cp); return (ETERM *) NULL; } return cp; }
int main(void) #endif { ei_x_buff eix; int index = 0; ETERM **etermpp = NULL, *etermp = NULL; char *charp = NULL; unsigned char uchar, **ucharpp = NULL, *ucharp = NULL; void *voidp = NULL; Erl_Heap *erl_heapp = NULL; int intx = 0; int *intp = NULL; unsigned int uintx, *uintp; unsigned long *ulongp = NULL; long longx = 0; double doublex = 0.0; short shortx = 42; FILE *filep = NULL; Erl_IpAddr erl_ipaddr = NULL; ErlMessage *erlmessagep = NULL; ErlConnect *erlconnectp = NULL; struct hostent *hostp = NULL; struct in_addr *inaddrp = NULL; /* Converion to erl_interface format is in liberl_interface */ intx = erl_errno; ei_encode_term(charp, &index, voidp); ei_x_encode_term(&eix, voidp); ei_decode_term(charp, &index, voidp); erl_init(voidp, longx); erl_connect_init(intx, charp,shortx); erl_connect_xinit(charp,charp,charp,erl_ipaddr,charp,shortx); erl_connect(charp); erl_xconnect(erl_ipaddr,charp); erl_close_connection(intx); erl_receive(intx, ucharp, intx); erl_receive_msg(intx, ucharp, intx, erlmessagep); erl_xreceive_msg(intx, ucharpp, intp, erlmessagep); erl_send(intx, etermp, etermp); erl_reg_send(intx, charp, etermp); erl_rpc(intx,charp,charp,etermp); erl_rpc_to(intx,charp,charp,etermp); erl_rpc_from(intx,intx,erlmessagep); erl_publish(intx); erl_accept(intx,erlconnectp); erl_thiscookie(); erl_thisnodename(); erl_thishostname(); erl_thisalivename(); erl_thiscreation(); erl_unpublish(charp); erl_err_msg(charp); erl_err_quit(charp); erl_err_ret(charp); erl_err_sys(charp); erl_cons(etermp,etermp); erl_copy_term(etermp); erl_element(intx,etermp); erl_hd(etermp); erl_iolist_to_binary(etermp); erl_iolist_to_string(etermp); erl_iolist_length(etermp); erl_length(etermp); erl_mk_atom(charp); erl_mk_binary(charp,intx); erl_mk_empty_list(); erl_mk_estring(charp, intx); erl_mk_float(doublex); erl_mk_int(intx); erl_mk_list(etermpp,intx); erl_mk_pid(charp,uintx,uintx,uchar); erl_mk_port(charp,uintx,uchar); erl_mk_ref(charp,uintx,uchar); erl_mk_long_ref(charp,uintx,uintx,uintx,uchar); erl_mk_string(charp); erl_mk_tuple(etermpp,intx); erl_mk_uint(uintx); erl_mk_var(charp); erl_print_term(filep,etermp); /* erl_sprint_term(charp,etermp); */ erl_size(etermp); erl_tl(etermp); erl_var_content(etermp, charp); erl_format(charp); erl_match(etermp, etermp); erl_global_names(intx, intp); erl_global_register(intx, charp, etermp); erl_global_unregister(intx, charp); erl_global_whereis(intx, charp, charp); erl_init_malloc(erl_heapp,longx); erl_alloc_eterm(uchar); erl_eterm_release(); erl_eterm_statistics(ulongp,ulongp); erl_free_array(etermpp,intx); erl_free_term(etermp); erl_free_compound(etermp); erl_malloc(longx); erl_free(voidp); erl_compare_ext(ucharp, ucharp); erl_decode(ucharp); erl_decode_buf(ucharpp); erl_encode(etermp,ucharp); erl_encode_buf(etermp,ucharpp); erl_ext_size(ucharp); erl_ext_type(ucharp); erl_peek_ext(ucharp,intx); erl_term_len(etermp); erl_gethostbyname(charp); erl_gethostbyaddr(charp, intx, intx); erl_gethostbyname_r(charp, hostp, charp, intx, intp); erl_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp); erl_init_resolve(); erl_distversion(intx); erl_epmd_connect(inaddrp); erl_epmd_port(inaddrp, charp, intp); charp = ERL_ATOM_PTR(etermp); intx = ERL_ATOM_SIZE(etermp); ucharp = ERL_BIN_PTR(etermp); intx = ERL_BIN_SIZE(etermp); etermp = ERL_CONS_HEAD(etermp); etermp = ERL_CONS_TAIL(etermp); intx = ERL_COUNT(etermp); doublex= ERL_FLOAT_VALUE(etermp); uintx = ERL_INT_UVALUE(etermp); intx = ERL_INT_VALUE(etermp); intx = ERL_IS_ATOM(etermp); intx = ERL_IS_BINARY(etermp); intx = ERL_IS_CONS(etermp); intx = ERL_IS_EMPTY_LIST(etermp); intx = ERL_IS_FLOAT(etermp); intx = ERL_IS_INTEGER(etermp); intx = ERL_IS_LIST(etermp); intx = ERL_IS_PID(etermp); intx = ERL_IS_PORT(etermp); intx = ERL_IS_REF(etermp); intx = ERL_IS_TUPLE(etermp); intx = ERL_IS_UNSIGNED_INTEGER(etermp); uchar = ERL_PID_CREATION(etermp); charp = ERL_PID_NODE(etermp); uintx = ERL_PID_NUMBER(etermp); uintx = ERL_PID_SERIAL(etermp); uchar = ERL_PORT_CREATION(etermp); charp = ERL_PORT_NODE(etermp); uintx = ERL_PORT_NUMBER(etermp); uchar = ERL_REF_CREATION(etermp); intx = ERL_REF_LEN(etermp); charp = ERL_REF_NODE(etermp); uintx = ERL_REF_NUMBER(etermp); uintp = ERL_REF_NUMBERS(etermp); etermp = ERL_TUPLE_ELEMENT(etermp,intx); intx = ERL_TUPLE_SIZE(etermp); return BUFSIZ + EAGAIN + EHOSTUNREACH + EINVAL + EIO + EMSGSIZE + ENOMEM + ERL_ATOM + ERL_BINARY + ERL_ERROR + ERL_EXIT + ERL_FLOAT + ERL_INTEGER + ERL_LINK + ERL_LIST + ERL_MSG + ERL_NO_TIMEOUT + ERL_PID + ERL_PORT + ERL_REF + ERL_REG_SEND + ERL_SEND + ERL_SMALL_BIG + ERL_TICK + ERL_TIMEOUT + ERL_TUPLE + ERL_UNLINK + ERL_U_INTEGER + ERL_U_SMALL_BIG + ERL_VARIABLE + ETIMEDOUT + MAXNODELEN + MAXREGLEN; }