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ensure that thread dtv pointer is never null to optimize __tls_get_addr

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This commit is contained in:
Rich Felker 2013-06-03 16:35:59 -04:00
commit 44b4d09fc0
2 changed files with 6 additions and 4 deletions
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2
src/thread/pthread_self.c
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@ -17,6 +17,8 @@ static int init_main_thread()
main_thread->self = main_thread;
main_thread->tid = main_thread->pid =
__syscall(SYS_set_tid_address, &main_thread->tid);
if (!main_thread->dtv)
main_thread->dtv = (void *)dummy;
libc.main_thread = main_thread;
return 0;
}