Add pthread_atfork(3) feature test.
Some versions of Android provide a pthreads library without providing pthread_atfork(), so in practice a separate feature test is necessary for the latter.
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@ -1329,6 +1329,14 @@ if test "x$abi" != "xpecoff" ; then
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AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"],
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[AC_SEARCH_LIBS([pthread_create], , ,
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AC_MSG_ERROR([libpthread is missing]))])
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JE_COMPILABLE([pthread_atfork(3)], [
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#include <pthread.h>
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], [
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pthread_atfork((void *)0, (void *)0, (void *)0);
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], [je_cv_pthread_atfork])
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if test "x${je_cv_pthread_atfork}" = "xyes" ; then
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AC_DEFINE([JEMALLOC_HAVE_PTHREAD_ATFORK], [ ])
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fi
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fi
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CPPFLAGS="$CPPFLAGS -D_REENTRANT"
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@ -79,6 +79,9 @@
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*/
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#undef JEMALLOC_HAVE_ISSETUGID
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/* Defined if pthread_atfork(3) is available. */
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#undef JEMALLOC_HAVE_PTHREAD_ATFORK
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/*
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* Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available.
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*/
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@ -1411,8 +1411,9 @@ malloc_init_hard_recursible(void)
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ncpus = malloc_ncpus();
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#if (!defined(JEMALLOC_MUTEX_INIT_CB) && !defined(JEMALLOC_ZONE) \
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&& !defined(_WIN32) && !defined(__native_client__))
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#if (defined(JEMALLOC_HAVE_PTHREAD_ATFORK) && !defined(JEMALLOC_MUTEX_INIT_CB) \
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&& !defined(JEMALLOC_ZONE) && !defined(_WIN32) && \
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!defined(__native_client__))
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/* LinuxThreads' pthread_atfork() allocates. */
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if (pthread_atfork(jemalloc_prefork, jemalloc_postfork_parent,
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jemalloc_postfork_child) != 0) {
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