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Linux: set_robust_list syscall number is always available

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Due to the built-in tables, __NR_set_robust_list is always defined
(although it may not be available at run time).

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2020-02-09 16:38:33 +01:00
parent 75376039be
commit b03604b1b8
3 changed files with 6 additions and 14 deletions
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6
nptl/pthread_create.c
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@ -389,17 +389,15 @@ START_THREAD_DEFN
if (__glibc_unlikely (atomic_exchange_acq (&pd->setxid_futex, 0) == -2))
futex_wake (&pd->setxid_futex, 1, FUTEX_PRIVATE);
#ifdef __NR_set_robust_list
# ifndef __ASSUME_SET_ROBUST_LIST
#ifndef __ASSUME_SET_ROBUST_LIST
if (__set_robust_list_avail >= 0)
# endif
#endif
{
/* This call should never fail because the initial call in init.c
succeeded. */
INTERNAL_SYSCALL_CALL (set_robust_list, &pd->robust_head,
sizeof (struct robust_list_head));
}
#endif
/* If the parent was running cancellation handlers while creating
the thread the new thread inherited the signal mask. Reset the