project-base/server-skynet-source-3rd-jemalloc
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Add thread name for background threads.

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This commit is contained in:
Qi Wang 2017-06-23 09:58:35 -07:00 committed by Qi Wang
parent 52fc887b49
commit a3f4977217
3 changed files with 15 additions and 1 deletions
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9
configure.ac
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@ -1470,6 +1470,15 @@ if test "x$abi" != "xpecoff" ; then
if test "x${je_cv_pthread_atfork}" = "xyes" ; then if test "x${je_cv_pthread_atfork}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_PTHREAD_ATFORK], [ ]) AC_DEFINE([JEMALLOC_HAVE_PTHREAD_ATFORK], [ ])
fi fi
dnl Check if pthread_setname_np is available with the expected API.
JE_COMPILABLE([pthread_setname_np(3)], [
#include <pthread.h>
], [
pthread_setname_np(pthread_self(), "setname_test");
], [je_cv_pthread_setname_np])
if test "x${je_cv_pthread_setname_np}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_PTHREAD_SETNAME_NP], [ ])
fi
fi fi
JE_APPEND_VS(CPPFLAGS, -D_REENTRANT) JE_APPEND_VS(CPPFLAGS, -D_REENTRANT)

3
include/jemalloc/internal/jemalloc_internal_defs.h.in
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@ -98,6 +98,9 @@
/* Defined if pthread_atfork(3) is available. */ /* Defined if pthread_atfork(3) is available. */
#undef JEMALLOC_HAVE_PTHREAD_ATFORK #undef JEMALLOC_HAVE_PTHREAD_ATFORK
/* Defined if pthread_setname_np(3) is available. */
#undef JEMALLOC_HAVE_PTHREAD_SETNAME_NP
/* /*
* Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available. * Defined if clock_gettime(CLOCK_MONOTONIC_COARSE, ...) is available.
*/ */

4
src/background_thread.c
View File

@ -499,7 +499,9 @@ static void *
background_thread_entry(void *ind_arg) { background_thread_entry(void *ind_arg) {
unsigned thread_ind = (unsigned)(uintptr_t)ind_arg; unsigned thread_ind = (unsigned)(uintptr_t)ind_arg;
assert(thread_ind < ncpus); assert(thread_ind < ncpus);
#ifdef JEMALLOC_HAVE_PTHREAD_SETNAME_NP
pthread_setname_np(pthread_self(), "jemalloc_bg_thd");
#endif
if (opt_percpu_arena != percpu_arena_disabled) { if (opt_percpu_arena != percpu_arena_disabled) {
set_current_thread_affinity((int)thread_ind); set_current_thread_affinity((int)thread_ind);
} }