read/write system parameters NAME sysctl - read/write system parameters SYNOPSIS #include <unistd.h> #include <linux/sysctl.h> [[deprecated]] int _sysctl(struct __sysctl_args * arg…create a file descriptor for accepting signals NAME signalfd - create a file descriptor for accepting signals LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/signa…create a file descriptor for accepting signals NAME signalfd - create a file descriptor for accepting signals LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/signa…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…get / set time NAME gettimeofday, settimeofday - get / set time LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/time.h> int gettimeofday(struct timeval *restrict t…get / set time NAME gettimeofday, settimeofday - get / set time LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/time.h> int gettimeofday(struct timeval *restrict t…fast user-space locking NAME futex - fast user-space locking LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/futex.h> /* Definition of FUTEX_* constants */ #incl…