Man Sem_close en anglais
SEM_CLOSE(3)               Linux Programmer's Manual              SEM_CLOSE(3)



 

NAME


       sem_close - close a named semaphore

 

SYNOPSIS


       #include 

       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  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)

 

COLOPHON


       This page is part of release 3.05 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/.



Linux                             2006-03-25                      SEM_CLOSE(3)