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Add pthread_atfork(3) feature test.

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Some versions of Android provide a pthreads library without providing
pthread_atfork(), so in practice a separate feature test is necessary
for the latter.
This commit is contained in:
Jason Evans
2016-11-17 15:14:57 -08:00
parent fda60be799
commit 5234be2133
3 changed files with 14 additions and 2 deletions
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5
src/jemalloc.c
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@@ -1264,8 +1264,9 @@ malloc_init_hard_recursible(void)
ncpus = malloc_ncpus();
#if (!defined(JEMALLOC_MUTEX_INIT_CB) && !defined(JEMALLOC_ZONE) \
&& !defined(_WIN32) && !defined(__native_client__))
#if (defined(JEMALLOC_HAVE_PTHREAD_ATFORK) && !defined(JEMALLOC_MUTEX_INIT_CB) \
&& !defined(JEMALLOC_ZONE) && !defined(_WIN32) && \
!defined(__native_client__))
/* LinuxThreads' pthread_atfork() allocates. */
if (pthread_atfork(jemalloc_prefork, jemalloc_postfork_parent,
jemalloc_postfork_child) != 0) {