diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ralloc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/ralloc.c b/src/ralloc.c index d1ce3be24fc..183db755412 100644 --- a/src/ralloc.c +++ b/src/ralloc.c @@ -363,7 +363,18 @@ relinquish () } if ((*real_morecore) (- excess) == 0) - abort (); + { + /* If the system didn't want that much memory back, adjust + the end of the last heap to reflect that. This can occur + if break_value is still within the original data segment. */ + last_heap->end += excess; + /* Make sure that the result of the adjustment is accurate. + It should be, for the else clause above; the other case, + which returns the entire last heap to the system, seems + unlikely to trigger this mode of failure. */ + if (last_heap->end != (*real_morecore) (0)) + abort (); + } } } |