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sem_close (3)
  • sem_close (3) ( Solaris man: Библиотечные вызовы )
  • sem_close (3) ( FreeBSD man: Библиотечные вызовы )
  • >> sem_close (3) ( Linux man: Библиотечные вызовы )
  • sem_close (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    sem_close - close a named semaphore
     
    

    SYNOPSIS

    #include <semaphore.h>
    
    int sem_close(sem_t *sem);
    

    Link with -lrt or -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 termination, or upon execve(2).  

    SEE ALSO

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

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    CONFORMING TO
    NOTES
    SEE ALSO
    COLOPHON


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