...ENOSYS pshared is nonzero, but the system does not support process-shared semaphores (see sem_overview (7)). ATTRIBUTES For an explanation of the terms used in this section, see…...hore. The semaphore is identified by name . For details of the construction of name , see sem_overview (7). The oflag argument specifies flags that control the operation of the …...(2). SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_unlink (3), sem_wait (3), sem_overview (7)...ISTORY POSIX.1-2001. SEE ALSO sem_getvalue (3), sem_open (3), sem_post (3), sem_wait (3), sem_overview (7)...ler. EXAMPLES See sem_wait (3) and shm_open (3). SEE ALSO sem_getvalue (3), sem_wait (3), sem_overview (7), signal-safety (7)...esource leaks on some implementations. SEE ALSO sem_init (3), sem_post (3), sem_wait (3), sem_overview (7)...dy have changed by the time sem_getvalue () returns. SEE ALSO sem_post (3), sem_wait (3), sem_overview (7)...XIT_FAILURE); } SEE ALSO clock_gettime (2), sem_getvalue (3), sem_post (3), timespec (3), sem_overview (7), time (7)...XIT_FAILURE); } SEE ALSO clock_gettime (2), sem_getvalue (3), sem_post (3), timespec (3), sem_overview (7), time (7)...XIT_FAILURE); } SEE ALSO clock_gettime (2), sem_getvalue (3), sem_post (3), timespec (3), sem_overview (7), time (7)create/open or unlink POSIX shared memory objects NAME shm_open, shm_unlink - create/open or unlink POSIX shared memory objects LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS …create/open or unlink POSIX shared memory objects NAME shm_open, shm_unlink - create/open or unlink POSIX shared memory objects LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS …..., poll (2), read (2), select (2), signalfd (2), timerfd_create (2), write (2), epoll (7), sem_overview (7)..., poll (2), read (2), select (2), signalfd (2), timerfd_create (2), write (2), epoll (7), sem_overview (7)open a message queue NAME mq_open - open a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <fcntl.h> /* For O_* constants */ #include <sys/stat.h> /* For…get/set message queue attributes NAME mq_getattr, mq_setattr - get/set message queue attributes LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueue.h> int mq_getat…get/set message queue attributes NAME mq_getattr, mq_setattr - get/set message queue attributes LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueue.h> int mq_getat…send a message to a message queue NAME mq_send, mq_timedsend - send a message to a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueue.h> int mq_send…send a message to a message queue NAME mq_send, mq_timedsend - send a message to a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueue.h> int mq_send…remove a message queue NAME mq_unlink - remove a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueue.h> int mq_unlink(const char * name ); DESCRIPTIO…