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18 lines
411 B
18 lines
411 B
#include "pthread_impl.h"
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int pthread_setspecific(pthread_key_t k, const void *x)
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{
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struct pthread *self = pthread_self();
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/* Handle the case of the main thread */
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if (!self->tsd) {
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if (!x) return 0;
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if (!(self->tsd = calloc(sizeof(void *), PTHREAD_KEYS_MAX)))
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return ENOMEM;
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}
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/* Avoid unnecessary COW */
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if (self->tsd[k] != x) {
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self->tsd[k] = (void *)x;
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self->tsd_used = 1;
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}
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return 0;
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}
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