[Octave-bug-tracker] [bug #63381] [octave forge] (string) Properly cleanup of PCRE2 data

[Rafael Laboissière]

Follow-up Comment #1, bug #63381 (project octave):

Memory leaking can be observed, without the patch, like this:


$ echo 'pkg load strings ; while 1 ; pcregexp("x", "y") ; endwhile' |
octave-cli & while true ; do sleep 5 ; ps uax | grep octave-cli | grep -v grep
; done 
rlaboiss   19084 62.0  4.1 378872 84356 pts/2    Rl   00:37   0:03 octave-cli
rlaboiss   19084 81.1  6.8 433916 139268 pts/2   Rl   00:37   0:08 octave-cli
rlaboiss   19084 87.4  9.7 491732 197084 pts/2   Rl   00:37   0:13 octave-cli
rlaboiss   19084 90.7 12.5 549152 254636 pts/2   Rl   00:37   0:18 octave-cli


On the other hand, with my patch:


$ echo 'pkg load strings ; while 1 ; pcregexp("x", "y") ; endwhile' |
octave-cli & while true ; do sleep 5 ; ps uax | grep octave-cli | grep -v grep
; done 
rlaboiss   18095 61.8  2.7 350892 56036 pts/2    Rl   00:35   0:03 octave-cli
rlaboiss   18095 81.0  2.7 350892 56036 pts/2    Rl   00:35   0:08 octave-cli
rlaboiss   18095 87.8  2.7 350892 56036 pts/2    Rl   00:35   0:13 octave-cli
rlaboiss   18095 90.9  2.7 350892 56036 pts/2    Rl   00:35   0:18 octave-cli



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