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nptl: Use __pthread_attr_setaffinity_np in pthread_getattr_np

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This avoids duplicating the code for the affinity mask allocation
handling.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer 2020-05-15 17:38:57 +02:00
parent 8111c457b8
commit 86ed0774cf
1 changed files with 14 additions and 16 deletions
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26
nptl/pthread_getattr_np.c
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@ -33,8 +33,13 @@ int
__pthread_getattr_np (pthread_t thread_id, pthread_attr_t *attr)
{
struct pthread *thread = (struct pthread *) thread_id;
/* Prepare the new thread attribute. */
int ret = __pthread_attr_init (attr);
if (ret != 0)
return ret;
struct pthread_attr *iattr = (struct pthread_attr *) attr;
int ret = 0;
lll_lock (thread->lock, LLL_PRIVATE);
@ -187,25 +192,18 @@ __pthread_getattr_np (pthread_t thread_id, pthread_attr_t *attr)
while (ret == EINVAL && size < 1024 * 1024);
if (ret == 0)
{
iattr->cpuset = cpuset;
iattr->cpusetsize = size;
}
else
{
free (cpuset);
if (ret == ENOSYS)
{
ret = __pthread_attr_setaffinity_np (attr, size, cpuset);
else if (ret == ENOSYS)
/* There is no such functionality. */
ret = 0;
iattr->cpuset = NULL;
iattr->cpusetsize = 0;
}
}
free (cpuset);
}
lll_unlock (thread->lock, LLL_PRIVATE);
if (ret != 0)
__pthread_attr_destroy (attr);
return ret;
}
versioned_symbol (libc, __pthread_getattr_np, pthread_getattr_np, GLIBC_2_32);