zircon/third_party/ulib/musl/src/thread/mtx_trylock.c

#include <lib/sync/mutex.h>
#include <threads.h>

int mtx_trylock(mtx_t* m) {
  zx_status_t status = sync_mutex_trylock((sync_mutex_t*)&m->__i);
  switch (status) {
    default:
      return thrd_error;
    case 0:
      return thrd_success;
    case ZX_ERR_BAD_STATE:
      return thrd_busy;
  }
}