diogo/yap-6.3
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fix self-deadlock.

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This commit is contained in:
Vitor Santos Costa 2014-10-23 19:11:13 +01:00
parent 1ba8656e73
commit 461dae09f7
1 changed files with 4 additions and 8 deletions
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12
C/absmi.c
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@ -2818,23 +2818,19 @@ Yap_absmi(int inp)
SET_ASP(YREG, E_CB*sizeof(CELL));
saveregs();
while ((t = Yap_FetchTermFromDB(cl->lusl.ClSource)) == 0L) {
if (PP) UNLOCKPE(3,PP);
#if defined(YAPOR) || defined(THREADS)
PP = NULL;
#endif
if (LOCAL_Error_TYPE == OUT_OF_ATTVARS_ERROR) {
LOCAL_Error_TYPE = YAP_NO_ERROR;
if (!Yap_growglobal(NULL)) {
if (PP) UNLOCKPE(3,PP);
#if defined(YAPOR) || defined(THREADS)
PP = NULL;
#endif
Yap_NilError(OUT_OF_ATTVARS_ERROR, LOCAL_ErrorMessage);
FAIL();
}
} else {
LOCAL_Error_TYPE = YAP_NO_ERROR;
if (!Yap_gc(3, ENV, CP)) {
if (PP) UNLOCKPE(4,PP);
#if defined(YAPOR) || defined(THREADS)
PP = NULL;
#endif
Yap_NilError(OUT_OF_STACK_ERROR, LOCAL_ErrorMessage);
FAIL();
}