24 lines
459 B
C
24 lines
459 B
C
#include "pthread_impl.h"
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#include "syscall.h"
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static volatile int check_robust_result = -1;
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int pthread_mutexattr_setrobust(pthread_mutexattr_t *a, int robust)
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{
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if (robust > 1U) return EINVAL;
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if (robust) {
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int r = check_robust_result;
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if (r < 0) {
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void *p;
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size_t l;
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r = -__syscall(SYS_get_robust_list, 0, &p, &l);
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a_store(&check_robust_result, r);
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}
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if (r) return r;
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a->__attr |= 4;
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return 0;
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}
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a->__attr &= ~4;
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return 0;
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}
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