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nptl: Move stack cache management, __libpthread_freeres into libc

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This replaces the FREE_P macro with the __nptl_stack_in_use inline
function.  stack_list_del is renamed to __nptl_stack_list_del,
stack_list_add to __nptl_stack_list_add, __deallocate_stack to
__nptl_deallocate_stack, free_stacks to __nptl_free_stacks.

It is convenient to move __libpthread_freeres into libc at the
same time.  This removes the temporary __default_pthread_attr_freeres
export and restores full freeres coverage for __default_pthread_attr.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-05-11 11:08:00 +02:00
parent 249bd833a0
commit c79a31fb36
10 changed files with 212 additions and 158 deletions
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4
nptl/pthread_create.c
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@@ -228,7 +228,7 @@ __free_tcb (struct pthread *pd)
/* Queue the stack memory block for reuse and exit the process. The
kernel will signal via writing to the address returned by
QUEUE-STACK when the stack is available. */
__deallocate_stack (pd);
__nptl_deallocate_stack (pd);
}
}
@@ -711,7 +711,7 @@ __pthread_create_2_1 (pthread_t *newthread, const pthread_attr_t *attr,
futex_wake (&pd->setxid_futex, 1, FUTEX_PRIVATE);
/* Free the resources. */
__deallocate_stack (pd);
__nptl_deallocate_stack (pd);
}
/* We have to translate error codes. */