jemalloc: Import 5.3.0 54eaed1d8b56b1aa528be3bdd1877e59c56fa90cvendor/jemalloc/5.3.0vendor/jemalloc

Import jemalloc 5.3.0.

This import changes how manage the jemalloc vendor branch (which was
just started anyway). Starting with 5.3.0, we import a clean tree from
the upstream github, removing all the old files that are no longer
upstream, or that we've kept around for some reason. We do this because
we merge from this raw version of jemalloc into the FreeBSD
contrib/jemalloc, then we run autogen stuff, generate all the generated
.h files with gmake, then finally remove much of the generated files in
contrib/jemalloc using an update script.

Sponsored by:		Netflix

1 files changed, 61 insertions, 0 deletions

diff --git a/include/jemalloc/internal/jemalloc_internal_defs.h.in b/include/jemalloc/internal/jemalloc_internal_defs.h.in
index c442a2191eff..3588072f178c 100644
--- a/include/jemalloc/internal/jemalloc_internal_defs.h.in
+++ b/include/jemalloc/internal/jemalloc_internal_defs.h.in
@@ -85,6 +85,12 @@
 /* Defined if pthread_setname_np(3) is available. */
 #undef JEMALLOC_HAVE_PTHREAD_SETNAME_NP
 
+/* Defined if pthread_getname_np(3) is available. */
+#undef JEMALLOC_HAVE_PTHREAD_GETNAME_NP
+
+/* Defined if pthread_get_name_np(3) is available. */
+#undef JEMALLOC_HAVE_PTHREAD_GET_NAME_NP
+
 /*
  * Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available.
  */
@@ -101,6 +107,11 @@
 #undef JEMALLOC_HAVE_MACH_ABSOLUTE_TIME
 
 /*
+ * Defined if clock_gettime(CLOCK_REALTIME, ...) is available.
+ */
+#undef JEMALLOC_HAVE_CLOCK_REALTIME
+
+/*
  * Defined if _malloc_thread_cleanup() exists.  At least in the case of
  * FreeBSD, pthread_key_create() allocates, which if used during malloc
  * bootstrapping will cause recursion into the pthreads library.  Therefore, if
@@ -162,6 +173,9 @@
 /* Support utrace(2)-based tracing. */
 #undef JEMALLOC_UTRACE
 
+/* Support utrace(2)-based tracing (label based signature). */
+#undef JEMALLOC_UTRACE_LABEL
+
 /* Support optional abort() on OOM. */
 #undef JEMALLOC_XMALLOC
 
@@ -177,6 +191,9 @@
 /* One page is 2^LG_PAGE bytes. */
 #undef LG_PAGE
 
+/* Maximum number of regions in a slab. */
+#undef CONFIG_LG_SLAB_MAXREGS
+
 /*
  * One huge page is 2^LG_HUGEPAGE bytes.  Note that this is defined even if the
  * system does not explicitly support huge pages; system calls that require
@@ -291,11 +308,40 @@
 #undef JEMALLOC_MADVISE_DONTDUMP
 
 /*
+ * Defined if MADV_[NO]CORE is supported as an argument to madvise.
+ */
+#undef JEMALLOC_MADVISE_NOCORE
+
+/* Defined if mprotect(2) is available. */
+#undef JEMALLOC_HAVE_MPROTECT
+
+/*
  * Defined if transparent huge pages (THPs) are supported via the
  * MADV_[NO]HUGEPAGE arguments to madvise(2), and THP support is enabled.
  */
 #undef JEMALLOC_THP
 
+/* Defined if posix_madvise is available. */
+#undef JEMALLOC_HAVE_POSIX_MADVISE
+
+/*
+ * Method for purging unused pages using posix_madvise.
+ *
+ *   posix_madvise(..., POSIX_MADV_DONTNEED)
+ */
+#undef JEMALLOC_PURGE_POSIX_MADVISE_DONTNEED
+#undef JEMALLOC_PURGE_POSIX_MADVISE_DONTNEED_ZEROS
+
+/*
+ * Defined if memcntl page admin call is supported
+ */
+#undef JEMALLOC_HAVE_MEMCNTL
+
+/*
+ * Defined if malloc_size is supported
+ */
+#undef JEMALLOC_HAVE_MALLOC_SIZE
+
 /* Define if operating system has alloca.h header. */
 #undef JEMALLOC_HAS_ALLOCA_H
 
@@ -363,4 +409,19 @@
 /* Performs additional safety checks when defined. */
 #undef JEMALLOC_OPT_SAFETY_CHECKS
 
+/* Is C++ support being built? */
+#undef JEMALLOC_ENABLE_CXX
+
+/* Performs additional size checks when defined. */
+#undef JEMALLOC_OPT_SIZE_CHECKS
+
+/* Allows sampled junk and stash for checking use-after-free when defined. */
+#undef JEMALLOC_UAF_DETECTION
+
+/* Darwin VM_MAKE_TAG support */
+#undef JEMALLOC_HAVE_VM_MAKE_TAG
+
+/* If defined, realloc(ptr, 0) defaults to "free" instead of "alloc". */
+#undef JEMALLOC_ZERO_REALLOC_DEFAULT_FREE
+
 #endif /* JEMALLOC_INTERNAL_DEFS_H_ */