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fix loop logic cruft in dynamic tls installation 

commit 9d44b6460a inadvertently
contained leftover logic from a previous approach to the fallback
signaling loop. it had no adverse effect, since j was always nonzero
if the loop body was reachable, but it makes no sense to be there with
the current approach to avoid signaling self.
This commit is contained in:
Rich Felker 2019-02-22 02:24:33 -05:00
parent ad795d56ba
commit 609dd57c4e
1 changed files with 1 additions and 1 deletions
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2
ldso/dynlink.c
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@ -1410,7 +1410,7 @@ static void install_new_tls(void)
memset(&sa.sa_mask, -1, sizeof sa.sa_mask);
__libc_sigaction(SIGSYNCCALL, &sa, 0);
for (td=self->next; td!=self; td=td->next)
if (j) __syscall(SYS_tkill, td->tid, SIGSYNCCALL);
__syscall(SYS_tkill, td->tid, SIGSYNCCALL);
for (td=self->next; td!=self; td=td->next)
sem_wait(&barrier_sem);
sa.sa_handler = SIG_IGN;