project-base/server-skynet-source-3rd-jemalloc
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Fix threaded initialization and enable it on Linux.

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Reported by Mike Hommey.
This commit is contained in:
Jason Evans
2012-04-05 11:06:23 -07:00
parent f3ca7c8386
commit 02b231205e
2 changed files with 6 additions and 3 deletions
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8
src/jemalloc.c
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@@ -36,13 +36,15 @@ static bool malloc_initialized = false;
#ifdef JEMALLOC_THREADED_INIT
/* Used to let the initializing thread recursively allocate. */
static pthread_t malloc_initializer = (unsigned long)0;
# define NO_INITIALIZER ((unsigned long)0)
# define INITIALIZER pthread_self()
# define IS_INITIALIZER (malloc_initializer == pthread_self())
static pthread_t malloc_initializer = NO_INITIALIZER;
#else
static bool malloc_initializer = false;
# define NO_INITIALIZER false
# define INITIALIZER true
# define IS_INITIALIZER malloc_initializer
static bool malloc_initializer = NO_INITIALIZER;
#endif
/* Used to avoid initialization races. */
@@ -531,7 +533,7 @@ malloc_init_hard(void)
return (false);
}
#ifdef JEMALLOC_THREADED_INIT
if (IS_INITIALIZER == false) {
if (malloc_initializer != NO_INITIALIZER && IS_INITIALIZER == false) {
/* Busy-wait until the initializing thread completes. */
do {
malloc_mutex_unlock(&init_lock);