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malloc: Remove check_action variable [BZ #21754]

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Clean up calls to malloc_printerr and trim its argument list.

This also removes a few bits of work done before calling
malloc_printerr (such as unlocking operations).

The tunable/environment variable still enables the lightweight
additional malloc checking, but mallopt (M_CHECK_ACTION)
no longer has any effect.
This commit is contained in:
Florian Weimer
2017-08-30 19:29:38 +02:00
parent 44bcba80f3
commit ac3ed168d0
6 changed files with 65 additions and 188 deletions
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11
malloc/arena.c
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@ -215,8 +215,7 @@ void
TUNABLE_CALLBACK (set_mallopt_check) (tunable_val_t *valp)
{
int32_t value = (int32_t) valp->numval;
do_set_mallopt_check (value);
if (check_action != 0)
if (value != 0)
__malloc_check_init ();
}
@ -397,12 +396,8 @@ ptmalloc_init (void)
}
}
}
if (s && s[0])
{
__libc_mallopt (M_CHECK_ACTION, (int) (s[0] - '0'));
if (check_action != 0)
__malloc_check_init ();
}
if (s && s[0] != '\0' && s[0] != '0')
__malloc_check_init ();
#endif
#if HAVE_MALLOC_INIT_HOOK