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23 lines
661 B
23 lines
661 B
#include "pthread_impl.h"
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/*
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Note on PTHREAD_PROCESS_SHARED:
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Because WASM doesn't have virtual memory nor subprocesses,
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there isn't any way for the same synchronization object to have multiple mappings.
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Thus we can completely ignore it here.
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*/
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int pthread_barrier_init(pthread_barrier_t *restrict b, const pthread_barrierattr_t *restrict a, unsigned count)
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{
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if (count-1 > INT_MAX-1) return EINVAL;
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*b = (pthread_barrier_t){ ._b_limit = count-1 };
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return 0;
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}
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int pthread_barrier_destroy(pthread_barrier_t *b)
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{
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return 0;
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}
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int pthread_barrier_wait(pthread_barrier_t *b)
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{
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if (!b->_b_limit) return PTHREAD_BARRIER_SERIAL_THREAD;
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__builtin_trap();
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}
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