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musl/src/thread/pthread_mutexattr_setrobust.c

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implement robust mutexes some of this code should be cleaned up, e.g. using macros for some of the bit flags, masks, etc. nonetheless, the code is believed to be working and correct at this point.
15 years ago
#include "pthread_impl.h"
int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
{
if (robust > 1U) return EINVAL;
*a &= ~4;
*a |= robust*4;
return 0;
}