заблокировать семафор (lock a semaphore)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
sem_wait — lock a semaphore
Синопсис (Synopsis)
#include <semaphore.h>
int sem_wait(sem_t *sem);
Описание (Description)
Refer to sem_trywait(3p).