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    The following form allows you to view linux man pages.

    Command:

    sem_close

    
    
    

    SYNOPSIS

           #include <semaphore.h>
    
           int sem_close(sem_t *sem);
    
           Link with -pthread.
    
    
    

    DESCRIPTION

           sem_close() closes the named semaphore referred to by sem, allowing any
           resources that the system has allocated to the calling process for this
           semaphore to be freed.
    
    
    

    RETURN VALUE

           On  success sem_close() returns 0; on error, -1 is returned, with errno
           set to indicate the error.
    
    
    

    ERRORS

           EINVAL sem is not a valid semaphore.
    
    
    

    CONFORMING TO

           POSIX.1-2001.
    
    
    

    NOTES

           All open named semaphores are automatically closed on process  termina-
           tion, or upon execve(2).
    
    
    

    SEE ALSO

           sem_getvalue(3),  sem_open(3), sem_post(3), sem_unlink(3), sem_wait(3),
           sem_overview(7)
    
    
    

    Linux 2012-05-13 SEM_CLOSE(3)

    
    
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