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ask YAP to get memory step by step in 64 bit maachines.

This commit is contained in:
Vitor Santos Costa 2011-01-20 11:59:54 -06:00
parent 26706d20ff
commit d024e9f0ae
1 changed files with 20 additions and 6 deletions
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26
C/alloc.c
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@ -1595,15 +1595,29 @@ Yap_ExtendWorkSpaceThroughHole(UInt s)
WorkSpaceTop = WorkSpaceTop0;
return -1;
}
#endif
#elif SIZEOF_INT_P==8
{
int n = 1024*1024;
while (n) {
/* progress 1 MB */
WorkSpaceTop += 512*1024;
if (ExtendWorkSpace(s, MAP_FIXED)) {
Yap_add_memory_hole((ADDR)WorkSpaceTop0, (ADDR)WorkSpaceTop-s);
Yap_ErrorMessage = NULL;
return WorkSpaceTop-WorkSpaceTop0;
}
#if defined(_WIN32)
/* 487 happens when you step over someone else's memory */
if (GetLastError() != 487) {
WorkSpaceTop = WorkSpaceTop0;
return -1;
}
#endif
}
#endif
}
WorkSpaceTop = WorkSpaceTop0;
#endif
if (ExtendWorkSpace(s, 0)) {
Yap_add_memory_hole((ADDR)WorkSpaceTop0, (ADDR)WorkSpaceTop-s);
Yap_ErrorMessage = NULL;
return WorkSpaceTop-WorkSpaceTop0;
}
#endif
return -1;
}