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Do not (recursively) allocate within tsd_fetch().

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Refactor tsd so that tsdn_fetch() does not trigger allocation, since
allocation could cause infinite recursion.

This resolves #458.
This commit is contained in:
Jason Evans
2016-10-20 23:59:12 -07:00
parent 577d4572b0
commit b54d160dc4
13 changed files with 172 additions and 132 deletions
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6
test/unit/tsd.c
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@@ -58,18 +58,18 @@ thd_start(void *arg)
data_t d = (data_t)(uintptr_t)arg;
void *p;
assert_x_eq(*data_tsd_get(), DATA_INIT,
assert_x_eq(*data_tsd_get(true), DATA_INIT,
"Initial tsd get should return initialization value");
p = malloc(1);
assert_ptr_not_null(p, "Unexpected malloc() failure");
data_tsd_set(&d);
assert_x_eq(*data_tsd_get(), d,
assert_x_eq(*data_tsd_get(true), d,
"After tsd set, tsd get should return value that was set");
d = 0;
assert_x_eq(*data_tsd_get(), (data_t)(uintptr_t)arg,
assert_x_eq(*data_tsd_get(true), (data_t)(uintptr_t)arg,
"Resetting local data should have no effect on tsd");
free(p);