source: perlconfig.c @ ba042db

release-1.7release-1.8release-1.9
Last change on this file since ba042db was ad7cc2f, checked in by Nelson Elhage <nelhage@mit.edu>, 12 years ago
owl_perlconfig_new_command: Pass G_EVAL. In addition to the obvious bugs this fixes, this prevents us from repeatedly reporting an error if $@ was set at entry to the function.
  • Property mode set to 100644
File size: 14.5 KB
RevLine 
[f1e629d]1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <sys/types.h>
5#include <sys/stat.h>
6#include <errno.h>
[908e388]7#define OWL_PERL
[f1e629d]8#include "owl.h"
9
[8203afd]10extern XS(boot_BarnOwl);
[908e388]11extern XS(boot_DynaLoader);
[af1920fd]12/* extern XS(boot_DBI); */
[f1e629d]13
[5aa33fd]14void owl_perl_xs_init(pTHX) /* noproto */
[c3acb0b]15{
[e19eb97]16  const char *file = __FILE__;
[f1e629d]17  dXSUB_SYS;
18  {
[8203afd]19    newXS("BarnOwl::bootstrap", boot_BarnOwl, file);
[908e388]20    newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
[f1e629d]21  }
22}
23
[d1b1cf6]24
25SV *owl_new_sv(const char * str)
26{
27  SV *ret = newSVpv(str, 0);
[68f358c]28  if (is_utf8_string((const U8 *)str, strlen(str))) {
[d1b1cf6]29    SvUTF8_on(ret);
30  } else {
[eea72a1]31    char *escape = owl_escape_highbit(str);
32    owl_function_error("Internal error! Non-UTF-8 string encountered:\n%s", escape);
33    owl_free(escape);
[d1b1cf6]34  }
35  return ret;
36}
37
[e67359b]38AV *owl_new_av(const owl_list *l, SV *(*to_sv)(const void *))
39{
40  AV *ret;
41  int i;
42  void *element;
43
44  ret = newAV();
45
46  for (i = 0; i < owl_list_get_size(l); i++) {
47    element = owl_list_get_element(l, i);
48    av_push(ret, to_sv(element));
49  }
50
51  return ret;
52}
53
[e7f5970]54HV *owl_new_hv(const owl_dict *d, SV *(*to_sv)(const void *))
55{
56  HV *ret;
57  owl_list l;
58  const char *key;
59  void *element;
60  int i;
61
62  ret = newHV();
63
64  /* TODO: add an iterator-like interface to owl_dict */
65  owl_dict_get_keys(d, &l);
66  for (i = 0; i < owl_list_get_size(&l); i++) {
67    key = owl_list_get_element(&l, i);
68    element = owl_dict_find_element(d, key);
69    (void)hv_store(ret, key, strlen(key), to_sv(element), 0);
70  }
[8c59178]71  owl_list_cleanup(&l, owl_free);
[e7f5970]72
73  return ret;
74}
75
[c08c70a]76SV *owl_perlconfig_message2hashref(const owl_message *m)
[c3acb0b]77{
[1cc95709]78  HV *h, *stash;
[f1e629d]79  SV *hr;
[e19eb97]80  const char *type;
[fa4562c]81  char *ptr, *utype, *blessas;
[b0430a6]82  int i, j;
[25fb825]83  const owl_pair *pair;
[4542047]84  const owl_filter *wrap;
[f1e629d]85
86  if (!m) return &PL_sv_undef;
[f6b319c]87  wrap = owl_global_get_filter(&g, "wordwrap");
88  if(!wrap) {
89      owl_function_error("wrap filter is not defined");
90      return &PL_sv_undef;
91  }
92
[f1e629d]93  h = newHV();
94
[3ea31b6]95#define MSG2H(h,field) (void)hv_store(h, #field, strlen(#field),        \
[d1b1cf6]96                                      owl_new_sv(owl_message_get_##field(m)), 0)
[f1e629d]97
98  if (owl_message_is_type_zephyr(m)
99      && owl_message_is_direction_in(m)) {
100    /* Handle zephyr-specific fields... */
101    AV *av_zfields;
102
103    av_zfields = newAV();
104    j=owl_zephyr_get_num_fields(owl_message_get_notice(m));
105    for (i=0; i<j; i++) {
[5376a95]106      ptr=owl_zephyr_get_field_as_utf8(owl_message_get_notice(m), i+1);
[d1b1cf6]107      av_push(av_zfields, owl_new_sv(ptr));
[b0430a6]108      owl_free(ptr);
[f1e629d]109    }
[3ea31b6]110    (void)hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0);
[f1e629d]111
[3ea31b6]112    (void)hv_store(h, "auth", strlen("auth"), 
[d1b1cf6]113                   owl_new_sv(owl_zephyr_get_authstr(owl_message_get_notice(m))),0);
[f1e629d]114  }
115
[421c8ef7]116  j=owl_list_get_size(&(m->attributes));
117  for(i=0; i<j; i++) {
118    pair=owl_list_get_element(&(m->attributes), i);
[3ea31b6]119    (void)hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)),
[d1b1cf6]120                   owl_new_sv(owl_pair_get_value(pair)),0);
[421c8ef7]121  }
122 
[f1e629d]123  MSG2H(h, type);
124  MSG2H(h, direction);
125  MSG2H(h, class);
126  MSG2H(h, instance);
127  MSG2H(h, sender);
128  MSG2H(h, realm);
129  MSG2H(h, recipient);
130  MSG2H(h, opcode);
131  MSG2H(h, hostname);
132  MSG2H(h, body);
133  MSG2H(h, login);
134  MSG2H(h, zsig);
135  MSG2H(h, zwriteline);
136  if (owl_message_get_header(m)) {
137    MSG2H(h, header); 
138  }
[d1b1cf6]139  (void)hv_store(h, "time", strlen("time"), owl_new_sv(owl_message_get_timestr(m)),0);
[d1ae4a4]140  (void)hv_store(h, "unix_time", strlen("unix_time"), newSViv(m->time), 0);
[3ea31b6]141  (void)hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0);
142  (void)hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0);
143  (void)hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0);
144  (void)hv_store(h, "should_wordwrap",
145                 strlen("should_wordwrap"), newSViv(
146                                                    owl_filter_message_match(wrap, m)),0);
[f1e629d]147
[30678ae]148  type = owl_message_get_type(m);
[8fba2ee]149  if(!type || !*type) type = "generic";
[fa4562c]150  utype = owl_strdup(type);
151  utype[0] = toupper(type[0]);
152  blessas = owl_sprintf("BarnOwl::Message::%s", utype);
[f1e629d]153
[19bab8e]154  hr = newRV_noinc((SV*)h);
[1cc95709]155  stash =  gv_stashpv(blessas,0);
156  if(!stash) {
157    owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m));
158    stash = gv_stashpv("BarnOwl::Message", 1);
159  }
160  hr = sv_bless(hr,stash);
[fa4562c]161  owl_free(utype);
[30678ae]162  owl_free(blessas);
163  return hr;
[f1e629d]164}
165
[dbe8729]166SV *owl_perlconfig_curmessage2hashref(void)
[c3acb0b]167{
[f1e629d]168  int curmsg;
[9e5c9f3]169  const owl_view *v;
[f1e629d]170  v=owl_global_get_current_view(&g);
171  if (owl_view_get_size(v) < 1) {
172    return &PL_sv_undef;
173  }
174  curmsg=owl_global_get_curmsg(&g);
175  return owl_perlconfig_message2hashref(owl_view_get_element(v, curmsg));
176}
177
[30678ae]178/* XXX TODO: Messages should round-trip properly between
179   message2hashref and hashref2message. Currently we lose
180   zephyr-specific properties stored in the ZNotice_t
[87dfeb7]181
182   This has been somewhat addressed, but is still not lossless.
[30678ae]183 */
184owl_message * owl_perlconfig_hashref2message(SV *msg)
185{
186  owl_message * m;
187  HE * ent;
188  I32 count, len;
[e19eb97]189  const char *key,*val;
[30678ae]190  HV * hash;
[ad15610]191  struct tm tm;
[30678ae]192
193  hash = (HV*)SvRV(msg);
194
195  m = owl_malloc(sizeof(owl_message));
196  owl_message_init(m);
197
198  count = hv_iterinit(hash);
199  while((ent = hv_iternext(hash))) {
200    key = hv_iterkey(ent, &len);
201    val = SvPV_nolen(hv_iterval(hash, ent));
202    if(!strcmp(key, "type")) {
203      owl_message_set_type(m, val);
204    } else if(!strcmp(key, "direction")) {
205      owl_message_set_direction(m, owl_message_parse_direction(val));
206    } else if(!strcmp(key, "private")) {
207      SV * v = hv_iterval(hash, ent);
208      if(SvTRUE(v)) {
209        owl_message_set_isprivate(m);
210      }
211    } else if (!strcmp(key, "hostname")) {
212      owl_message_set_hostname(m, val);
213    } else if (!strcmp(key, "zwriteline")) {
214      owl_message_set_zwriteline(m, val);
215    } else if (!strcmp(key, "time")) {
216      m->timestr = owl_strdup(val);
217      strptime(val, "%a %b %d %T %Y", &tm);
218      m->time = mktime(&tm);
219    } else {
220      owl_message_set_attribute(m, key, val);
221    }
222  }
223  if(owl_message_is_type_admin(m)) {
224    if(!owl_message_get_attribute_value(m, "adminheader"))
225      owl_message_set_attribute(m, "adminheader", "");
226  }
[87dfeb7]227#ifdef HAVE_LIBZEPHYR
228  if (owl_message_is_type_zephyr(m)) {
229    ZNotice_t *n = &(m->notice);
230    n->z_kind = ACKED;
231    n->z_port = 0;
232    n->z_auth = ZAUTH_NO;
233    n->z_checked_auth = 0;
[712caac]234    n->z_class = zstr(owl_message_get_class(m));
235    n->z_class_inst = zstr(owl_message_get_instance(m));
236    n->z_opcode = zstr(owl_message_get_opcode(m));
237    n->z_sender = zstr(owl_message_get_sender(m));
238    n->z_recipient = zstr(owl_message_get_recipient(m));
239    n->z_default_format = zstr("[zephyr created from perl]");
240    n->z_multinotice = zstr("[zephyr created from perl]");
[87dfeb7]241    n->z_num_other_fields = 0;
242    n->z_message = owl_sprintf("%s%c%s", owl_message_get_zsig(m), '\0', owl_message_get_body(m));
243    n->z_message_len = strlen(owl_message_get_zsig(m)) + strlen(owl_message_get_body(m)) + 1;
244  }
245#endif
[30678ae]246  return m;
247}
[f1e629d]248
249/* Calls in a scalar context, passing it a hash reference.
250   If return value is non-null, caller must free. */
[c08c70a]251char *owl_perlconfig_call_with_message(const char *subname, const owl_message *m)
[c3acb0b]252{
[f1e629d]253  dSP ;
[c4ba74d]254  int count;
[f1e629d]255  SV *msgref, *srv;
[909771e]256  char *out;
[f1e629d]257 
258  ENTER ;
259  SAVETMPS;
260 
261  PUSHMARK(SP) ;
262  msgref = owl_perlconfig_message2hashref(m);
[19bab8e]263  XPUSHs(sv_2mortal(msgref));
[f1e629d]264  PUTBACK ;
265 
[e3068de]266  count = call_pv(subname, G_SCALAR|G_EVAL);
[f1e629d]267 
268  SPAGAIN ;
269
270  if (SvTRUE(ERRSV)) {
[ce6721f]271    owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV));
[27c3a93]272    /* and clear the error */
273    sv_setsv (ERRSV, &PL_sv_undef);
[f1e629d]274  }
275
276  if (count != 1) {
277    fprintf(stderr, "bad perl!  no biscuit!  returned wrong count!\n");
278    abort();
279  }
280
281  srv = POPs;
282
283  if (srv) {
[909771e]284    out = owl_strdup(SvPV_nolen(srv));
[f1e629d]285  } else {
286    out = NULL;
287  }
288 
289  PUTBACK ;
290  FREETMPS ;
291  LEAVE ;
292
293  return out;
294}
295
[25729b2]296
297/* Calls a method on a perl object representing a message.
298   If the return value is non-null, the caller must free it.
299 */
[c08c70a]300char * owl_perlconfig_message_call_method(const owl_message *m, const char *method, int argc, const char ** argv)
[25729b2]301{
302  dSP;
[909771e]303  unsigned int count, i;
[25729b2]304  SV *msgref, *srv;
[909771e]305  char *out;
[25729b2]306
307  msgref = owl_perlconfig_message2hashref(m);
308
309  ENTER;
310  SAVETMPS;
311
312  PUSHMARK(SP);
[19bab8e]313  XPUSHs(sv_2mortal(msgref));
[25729b2]314  for(i=0;i<argc;i++) {
[d1b1cf6]315    XPUSHs(sv_2mortal(owl_new_sv(argv[i])));
[25729b2]316  }
317  PUTBACK;
318
[e3068de]319  count = call_method(method, G_SCALAR|G_EVAL);
[25729b2]320
321  SPAGAIN;
322
323  if(count != 1) {
[f278ff3]324    fprintf(stderr, "perl returned wrong count %u\n", count);
[25729b2]325    abort();
326  }
327
328  if (SvTRUE(ERRSV)) {
[ce6721f]329    owl_function_error("Error: '%s'", SvPV_nolen(ERRSV));
[25729b2]330    /* and clear the error */
331    sv_setsv (ERRSV, &PL_sv_undef);
332  }
333
334  srv = POPs;
335
336  if (srv) {
[909771e]337    out = owl_strdup(SvPV_nolen(srv));
[25729b2]338  } else {
339    out = NULL;
340  }
341
342  PUTBACK;
343  FREETMPS;
344  LEAVE;
345
346  return out;
347}
348
349
[e19eb97]350char *owl_perlconfig_initperl(const char * file, int *Pargc, char ***Pargv, char *** Penv)
[c3acb0b]351{
[d03091c]352  int ret;
[f1e629d]353  PerlInterpreter *p;
[4e0f545]354  char *err;
[e19eb97]355  const char *args[4] = {"", "-e", "0;", NULL};
[fd8dfe7]356  AV *inc;
357  char *path;
[f1e629d]358
359  /* create and initialize interpreter */
[e8c6d8f]360  PERL_SYS_INIT3(Pargc, Pargv, Penv);
[f1e629d]361  p=perl_alloc();
[4d86e06]362  owl_global_set_perlinterp(&g, p);
[f1e629d]363  perl_construct(p);
364
[5aa33fd]365  PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
366
[f1e629d]367  owl_global_set_no_have_config(&g);
368
[fa4562c]369  ret=perl_parse(p, owl_perl_xs_init, 2, (char **)args, NULL);
[f1e629d]370  if (ret || SvTRUE(ERRSV)) {
[ce6721f]371    err=owl_strdup(SvPV_nolen(ERRSV));
[4e0f545]372    sv_setsv(ERRSV, &PL_sv_undef);     /* and clear the error */
373    return(err);
[f1e629d]374  }
375
376  ret=perl_run(p);
377  if (ret || SvTRUE(ERRSV)) {
[ce6721f]378    err=owl_strdup(SvPV_nolen(ERRSV));
[4e0f545]379    sv_setsv(ERRSV, &PL_sv_undef);     /* and clear the error */
380    return(err);
[f1e629d]381  }
382
383  owl_global_set_have_config(&g);
384
385  /* create legacy variables */
[c415aca]386  get_sv("BarnOwl::id", TRUE);
387  get_sv("BarnOwl::class", TRUE);
388  get_sv("BarnOwl::instance", TRUE);
389  get_sv("BarnOwl::recipient", TRUE);
390  get_sv("BarnOwl::sender", TRUE);
391  get_sv("BarnOwl::realm", TRUE);
392  get_sv("BarnOwl::opcode", TRUE);
393  get_sv("BarnOwl::zsig", TRUE);
394  get_sv("BarnOwl::msg", TRUE);
395  get_sv("BarnOwl::time", TRUE);
396  get_sv("BarnOwl::host", TRUE);
397  get_av("BarnOwl::fields", TRUE);
[00f9a7d]398
399  if(file) {
[8203afd]400    SV * cfg = get_sv("BarnOwl::configfile", TRUE);
[00f9a7d]401    sv_setpv(cfg, file);
402  }
403
[fd8dfe7]404  /* Add the system lib path to @INC */
405  inc = get_av("INC", 0);
406  path = owl_sprintf("%s/lib", owl_get_datadir());
407  av_unshift(inc, 1);
[d1b1cf6]408  av_store(inc, 0, owl_new_sv(path));
[fd8dfe7]409  owl_free(path);
410
411  eval_pv("use BarnOwl;", FALSE);
[f1e629d]412
413  if (SvTRUE(ERRSV)) {
[ce6721f]414    err=owl_strdup(SvPV_nolen(ERRSV));
[27c3a93]415    sv_setsv (ERRSV, &PL_sv_undef);     /* and clear the error */
[4e0f545]416    return(err);
[f1e629d]417  }
418
419  /* check if we have the formatting function */
[8203afd]420  if (owl_perlconfig_is_function("BarnOwl::format_msg")) {
[f1e629d]421    owl_global_set_config_format(&g, 1);
422  }
423
424  return(NULL);
425}
426
427/* returns whether or not a function exists */
[e19eb97]428int owl_perlconfig_is_function(const char *fn) {
[c415aca]429  if (get_cv(fn, FALSE)) return(1);
[f1e629d]430  else return(0);
431}
432
433/* caller is responsible for freeing returned string */
[e19eb97]434char *owl_perlconfig_execute(const char *line)
[c3acb0b]435{
[f1e629d]436  STRLEN len;
437  SV *response;
[65b2173]438  char *out;
[f1e629d]439
440  if (!owl_global_have_config(&g)) return NULL;
441
[e0096b7]442  ENTER;
443  SAVETMPS;
[f1e629d]444  /* execute the subroutine */
[c415aca]445  response = eval_pv(line, FALSE);
[f1e629d]446
447  if (SvTRUE(ERRSV)) {
[ce6721f]448    owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV));
[27c3a93]449    sv_setsv (ERRSV, &PL_sv_undef);     /* and clear the error */
[f1e629d]450  }
451
[fb7742c]452  out = owl_strdup(SvPV(response, len));
[e0096b7]453  FREETMPS;
454  LEAVE;
[f1e629d]455
456  return(out);
457}
458
[c08c70a]459void owl_perlconfig_getmsg(const owl_message *m, const char *subname)
[b67ab6b]460{
461  char *ptr = NULL;
462  if (owl_perlconfig_is_function("BarnOwl::Hooks::_receive_msg")) {
463    ptr = owl_perlconfig_call_with_message(subname?subname
464                                           :"BarnOwl::_receive_msg_legacy_wrap", m);
[f1e629d]465  }
[b67ab6b]466  if (ptr) owl_free(ptr);
[0f9eca7]467}
468
469/* Called on all new messages; receivemsg is only called on incoming ones */
[c08c70a]470void owl_perlconfig_newmsg(const owl_message *m, const char *subname)
[0f9eca7]471{
472  char *ptr = NULL;
473  if (owl_perlconfig_is_function("BarnOwl::Hooks::_new_msg")) {
474    ptr = owl_perlconfig_call_with_message(subname?subname
475                                           :"BarnOwl::Hooks::_new_msg", m);
476  }
477  if (ptr) owl_free(ptr);
[f1e629d]478}
[6922edd]479
[e19eb97]480void owl_perlconfig_new_command(const char *name)
[eb6cedc]481{
482  dSP;
483
484  ENTER;
485  SAVETMPS;
486
487  PUSHMARK(SP);
[d1b1cf6]488  XPUSHs(sv_2mortal(owl_new_sv(name)));
[eb6cedc]489  PUTBACK;
490
[ad7cc2f]491  call_pv("BarnOwl::Hooks::_new_command", G_SCALAR|G_VOID|G_EVAL);
[eb6cedc]492
493  SPAGAIN;
494
495  if(SvTRUE(ERRSV)) {
496    owl_function_error("%s", SvPV_nolen(ERRSV));
497  }
498
499  FREETMPS;
500  LEAVE;
501}
502
[0a0fb74]503char *owl_perlconfig_perlcmd(const owl_cmd *cmd, int argc, const char *const *argv)
[6922edd]504{
505  int i, count;
506  char * ret = NULL;
[ad15610]507  SV *rv;
[6922edd]508  dSP;
509
510  ENTER;
511  SAVETMPS;
512
513  PUSHMARK(SP);
514  for(i=0;i<argc;i++) {
[d1b1cf6]515    XPUSHs(sv_2mortal(owl_new_sv(argv[i])));
[6922edd]516  }
517  PUTBACK;
518
519  count = call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL);
520
521  SPAGAIN;
522
523  if(SvTRUE(ERRSV)) {
[ce6721f]524    owl_function_error("%s", SvPV_nolen(ERRSV));
[c4ba74d]525    (void)POPs;
[6922edd]526  } else {
527    if(count != 1)
528      croak("Perl command %s returned more than one value!", cmd->name);
[ad15610]529    rv = POPs;
[6922edd]530    if(SvTRUE(rv)) {
[ce6721f]531      ret = owl_strdup(SvPV_nolen(rv));
[6922edd]532    }
533  }
534
535  FREETMPS;
536  LEAVE;
537
538  return ret;
539}
540
[8f2d9bf]541void owl_perlconfig_cmd_cleanup(owl_cmd *cmd)
[6922edd]542{
[ff13a6f]543  SvREFCNT_dec(cmd->cmd_perl);
[6922edd]544}
[db8b00b]545
[df0138f]546void owl_perlconfig_io_dispatch_destroy(const owl_io_dispatch *d)
[9c7a701]547{
[4d86e06]548  SvREFCNT_dec(d->data);
[9c7a701]549}
550
[db8b00b]551void owl_perlconfig_edit_callback(owl_editwin *e)
552{
[4d86e06]553  SV *cb = owl_editwin_get_cbdata(e);
[367fbf3]554  SV *text;
[ad15610]555  dSP;
556
[db8b00b]557  if(cb == NULL) {
558    owl_function_error("Perl callback is NULL!");
[1373d35]559    return;
[db8b00b]560  }
[d1b1cf6]561  text = owl_new_sv(owl_editwin_get_text(e));
[db8b00b]562
563  ENTER;
564  SAVETMPS;
565
566  PUSHMARK(SP);
[367fbf3]567  XPUSHs(sv_2mortal(text));
[db8b00b]568  PUTBACK;
569 
[e3068de]570  call_sv(cb, G_DISCARD|G_EVAL);
[9364a36]571
572  if(SvTRUE(ERRSV)) {
[ce6721f]573    owl_function_error("%s", SvPV_nolen(ERRSV));
[9364a36]574  }
[db8b00b]575
576  FREETMPS;
577  LEAVE;
[1b1cd2c]578}
[db8b00b]579
[1b1cd2c]580void owl_perlconfig_dec_refcnt(void *data)
581{
582  SV *v = data;
583  SvREFCNT_dec(v);
[db8b00b]584}
[f72f573]585
[df0138f]586void owl_perlconfig_io_dispatch(const owl_io_dispatch *d, void *data)
[9c7a701]587{
[df0138f]588  SV *cb = data;
[9c7a701]589  dSP;
590  if(cb == NULL) {
591    owl_function_error("Perl callback is NULL!");
[f36cd97]592    return;
[9c7a701]593  }
594
595  ENTER;
596  SAVETMPS;
597
598  PUSHMARK(SP);
599  PUTBACK;
[df0138f]600
[e3068de]601  call_sv(cb, G_DISCARD|G_EVAL);
[9c7a701]602
603  if(SvTRUE(ERRSV)) {
[ce6721f]604    owl_function_error("%s", SvPV_nolen(ERRSV));
[9c7a701]605  }
606
607  FREETMPS;
608  LEAVE;
609}
[1631825]610
611void owl_perlconfig_perl_timer(owl_timer *t, void *data)
612{
[5ebc202]613  dSP;
[1631825]614  SV *obj = data;
615
616  if(!SvROK(obj)) {
617    return;
618  }
619
620  ENTER;
621  SAVETMPS;
622
623  PUSHMARK(SP);
624  XPUSHs(obj);
625  PUTBACK;
626
[e3068de]627  call_method("do_callback", G_DISCARD|G_EVAL);
[1631825]628
629  SPAGAIN;
630
631  if (SvTRUE(ERRSV)) {
[901b931]632    owl_function_error("Error in callback: '%s'", SvPV_nolen(ERRSV));
[1631825]633    sv_setsv (ERRSV, &PL_sv_undef);
634  }
635
636  PUTBACK;
637  FREETMPS;
638  LEAVE;
639}
640
641void owl_perlconfig_perl_timer_destroy(owl_timer *t)
642{
643  if(SvOK((SV*)t->data)) {
644    SvREFCNT_dec((SV*)t->data);
645  }
646}
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