/*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2016 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
#include <folly/detail/MemoryIdler.h>
+
#include <folly/Logging.h>
#include <folly/Malloc.h>
+#include <folly/Portability.h>
#include <folly/ScopeGuard.h>
#include <folly/detail/CacheLocality.h>
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <string.h>
-#include <unistd.h>
#include <sys/mman.h>
+#include <unistd.h>
#include <utility>
-
namespace folly { namespace detail {
AtomicStruct<std::chrono::steady_clock::duration>
// purging the arenas is counter-productive. We use the heuristic
// that if narenas <= 2 * num_cpus then we shouldn't do anything here,
// which detects when the narenas has been reduced from the default
- size_t narenas;
+ unsigned narenas;
unsigned arenaForCurrent;
size_t mib[3];
size_t miblen = 3;
- if (mallctlRead<size_t>("opt.narenas", &narenas) == 0 &&
+ if (mallctlRead<unsigned>("opt.narenas", &narenas) == 0 &&
narenas > 2 * CacheLocality::system().numCpus &&
mallctlRead<unsigned>("thread.arena", &arenaForCurrent) == 0 &&
mallctlnametomib("arena.0.purge", mib, &miblen) == 0) {
// Stack madvise isn't Linux or glibc specific, but the system calls
// and arithmetic (and bug compatibility) are not portable. The set of
// platforms could be increased if it was useful.
-#if (FOLLY_X64 || FOLLY_PPC64 ) && defined(_GNU_SOURCE) && defined(__linux__)
+#if (FOLLY_X64 || FOLLY_PPC64) && defined(_GNU_SOURCE) && \
+ defined(__linux__) && !FOLLY_MOBILE
static FOLLY_TLS uintptr_t tls_stackLimit;
static FOLLY_TLS size_t tls_stackSize;