38 lines
931 B
C
38 lines
931 B
C
#define _GNU_SOURCE
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#include "pthread_impl.h"
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#include <string.h>
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#define MIN(a,b) ((a)<(b) ? (a) : (b))
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#define MAX(a,b) ((a)>(b) ? (a) : (b))
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int pthread_setattr_default_np(const pthread_attr_t *attrp)
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{
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/* Reject anything in the attr object other than stack/guard size. */
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pthread_attr_t tmp = *attrp, zero = { 0 };
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tmp._a_stacksize = 0;
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tmp._a_guardsize = 0;
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if (memcmp(&tmp, &zero, sizeof tmp))
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return EINVAL;
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unsigned stack = MIN(attrp->_a_stacksize, DEFAULT_STACK_MAX);
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unsigned guard = MIN(attrp->_a_guardsize, DEFAULT_GUARD_MAX);
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__inhibit_ptc();
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__default_stacksize = MAX(__default_stacksize, stack);
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__default_guardsize = MAX(__default_guardsize, guard);
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__release_ptc();
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return 0;
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}
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int pthread_getattr_default_np(pthread_attr_t *attrp)
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{
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__acquire_ptc();
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*attrp = (pthread_attr_t) {
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._a_stacksize = __default_stacksize,
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._a_guardsize = __default_guardsize,
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};
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__release_ptc();
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return 0;
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}
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