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      cnd_wait

      De cppreference.com
      < c | thread

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      <metanoindex/>

       
      C
       
      Biblioteca de suporte a discussão
      Threads
      Original:
      Threads
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      Exclusão mútua
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      Mutual exclusion
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      Chamar uma vez
      Original:
      Call once
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      Variáveis ​​de condição
      Original:
      Condition variables
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      Segmento local de armazenamento
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      Thread-local storage
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      <tbody> </tbody>
      Definido no cabeçalho <threads.h>
      int cnd_wait( cnd_t* cond, mtx_t* mutex );
      		 (desde C11)
      Atomicamente bloqueia o mutex apontado por mutex e bloqueia na variável condição apontada por cond até que o segmento é sinalizado por cnd_signal cnd_broadcast ou. O mutex é novamente bloqueado antes do retorno da função.
      Original:
      Atomically locks the mutex pointed to by mutex and blocks on the condition variable pointed to by cond until the thread is signalled by cnd_signal or cnd_broadcast. The mutex is locked again before the function returns.
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      O comportamento é indefinido se o mutex já não está bloqueada pelo segmento chamado.
      Original:
      The behavior is undefined if the mutex is not already locked by the calling thread.
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      Parâmetros

      cond -
      ponteiro para a condição variável para bloquear em
      Original:
      pointer to the condition variable to block on
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      mutex -
      ponteiro para o mutex para desbloquear para a duração do bloco
      Original:
      pointer to the mutex to unlock for the duration of the block
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      Valor de retorno

      thrd_success se bem sucedido, caso contrário thrd_error.
      Original:
      thrd_success if successful, thrd_error otherwise.
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      Veja também

      (C11)
      blocos em uma variável de condição, com um tempo de espera
      Original:
      blocks on a condition variable, with a timeout
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      (função) [edit]