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Only abort on dlsym when necessary.

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If neither background_thread nor lazy_lock is in use, do not abort on dlsym
errors.
This commit is contained in:
Qi Wang 2017-06-14 12:12:23 -07:00 • committed by Qi Wang
parent bdcf40a620
commit a4d6fe73cf
3 changed files with 19 additions and 3 deletions
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14
src/background_thread.c
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@ -20,6 +20,9 @@ size_t n_background_threads;
/* Thread info per-index. */
background_thread_info_t *background_thread_info;
/* False if no necessary runtime support. */
bool can_enable_background_thread;
/******************************************************************************/
#ifdef JEMALLOC_PTHREAD_CREATE_WRAPPER
@ -785,9 +788,14 @@ background_thread_boot0(void) {
#ifdef JEMALLOC_PTHREAD_CREATE_WRAPPER
pthread_create_fptr = dlsym(RTLD_NEXT, "pthread_create");
if (pthread_create_fptr == NULL) {
malloc_write("<jemalloc>: Error in dlsym(RTLD_NEXT, "
"\"pthread_create\")\n");
abort();
can_enable_background_thread = false;
if (config_lazy_lock || opt_background_thread) {
malloc_write("<jemalloc>: Error in dlsym(RTLD_NEXT, "
"\"pthread_create\")\n");
abort();
}
} else {
can_enable_background_thread = true;
}
#endif
return false;