create a POSIX per-process timer NAME timer_create - create a POSIX per-process timer LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <signal.h> /* Definition of SIGEV…timers that notify via file descriptors NAME timerfd_create, timerfd_settime, timerfd_gettime - timers that notify via file descriptors LIBRARY Standard C library ( libc , -lc ) SY…timers that notify via file descriptors NAME timerfd_create, timerfd_settime, timerfd_gettime - timers that notify via file descriptors LIBRARY Standard C library ( libc , -lc ) SY…timers that notify via file descriptors NAME timerfd_create, timerfd_settime, timerfd_gettime - timers that notify via file descriptors LIBRARY Standard C library ( libc , -lc ) SY…set and get a thread's CPU affinity mask NAME sched_setaffinity, sched_getaffinity - set and get a thread's CPU affinity mask LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #de…set and get a thread's CPU affinity mask NAME sched_setaffinity, sched_getaffinity - set and get a thread's CPU affinity mask LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #de…wait for some event on a file descriptor NAME poll, ppoll - wait for some event on a file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <poll.h> int poll(s…wait for some event on a file descriptor NAME poll, ppoll - wait for some event on a file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <poll.h> int poll(s…manipulate the kernel's key management facility NAME keyctl - manipulate the kernel's key management facility LIBRARY Standard C library ( libc , -lc ) Alternatively, Linux Key Man…add a key to the kernel's key management facility NAME add_key - add a key to the kernel's key management facility LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <keyu…request a key from the kernel's key management facility NAME request_key - request a key from the kernel's key management facility LIBRARY Linux Key Management Utilities ( libkeyut…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…tune kernel clock NAME adjtimex, clock_adjtime, ntp_adjtime - tune kernel clock LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/timex.h> int adjtimex(struct timex …tune kernel clock NAME adjtimex, clock_adjtime, ntp_adjtime - tune kernel clock LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/timex.h> int adjtimex(struct timex …create an endpoint for communication NAME socket - create an endpoint for communication LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int socket(int do…System V semaphore operations NAME semop, semtimedop - System V semaphore operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semop(int semid , s…System V semaphore operations NAME semop, semtimedop - System V semaphore operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semop(int semid , s…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…