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Replace --disable-munmap with opt.munmap.

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Control use of munmap(2) via a run-time option rather than a
compile-time option (with the same per platform default).  The old
behavior of --disable-munmap can be achieved with
--with-malloc-conf=munmap:false.

This partially resolves #580.
This commit is contained in:
Jason Evans 2017-04-24 17:28:55 -07:00
parent e2cc6280ed
commit c67c3e4a63
16 changed files with 77 additions and 85 deletions
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4
test/unit/arena_reset.c
View file

@ -251,8 +251,8 @@ TEST_BEGIN(test_arena_destroy_hooks_default) {
TEST_END
/*
* Actually unmap extents, regardless of config_munmap, so that attempts to
* access a destroyed arena's memory will segfault.
* Actually unmap extents, regardless of opt_munmap, so that attempts to access
* a destroyed arena's memory will segfault.
*/
static bool
extent_dalloc_unmap(extent_hooks_t *extent_hooks, void *addr, size_t size,

2
test/unit/mallctl.c
View file

@ -131,7 +131,6 @@ TEST_BEGIN(test_mallctl_config) {
TEST_MALLCTL_CONFIG(fill, bool);
TEST_MALLCTL_CONFIG(lazy_lock, bool);
TEST_MALLCTL_CONFIG(malloc_conf, const char *);
TEST_MALLCTL_CONFIG(munmap, bool);
TEST_MALLCTL_CONFIG(prof, bool);
TEST_MALLCTL_CONFIG(prof_libgcc, bool);
TEST_MALLCTL_CONFIG(prof_libunwind, bool);
@ -158,6 +157,7 @@ TEST_BEGIN(test_mallctl_opt) {
} while (0)
TEST_MALLCTL_OPT(bool, abort, always);
TEST_MALLCTL_OPT(bool, munmap, always);
TEST_MALLCTL_OPT(const char *, dss, always);
TEST_MALLCTL_OPT(unsigned, narenas, always);
TEST_MALLCTL_OPT(const char *, percpu_arena, always);