cause normal process termination NAME exit - cause normal process termination LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdlib.h> [[noreturn]] void exit(int stat…spawn a process NAME posix_spawn, posix_spawnp - spawn a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <spawn.h> int posix_spawn(pid_t *restrict pid , const c…spawn a process NAME posix_spawn, posix_spawnp - spawn a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <spawn.h> int posix_spawn(pid_t *restrict pid , const c…execute a shell command NAME system - execute a shell command LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdlib.h> int system(const char * command ); DESCRIPTION …create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…register fork handlers NAME pthread_atfork - register fork handlers LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <pthread.h> int pthread_atfork(void (…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…terminal utility functions NAME openpty, login_tty, forkpty - terminal utility functions LIBRARY System utilities library ( libutil , -lutil ) SYNOPSIS #include <pty.h> int openpty…get resource usage NAME getrusage - get resource usage LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/resource.h> int getrusage(int who , struct rusage * usage );…set and/or get signal stack context NAME sigaltstack - set and/or get signal stack context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int sigaltstack(co…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…send messages to the system logger NAME closelog, openlog, syslog, vsyslog - send messages to the system logger LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <syslog.…get configuration information at run time NAME sysconf - get configuration information at run time LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long sysco…print signal description NAME psignal, psiginfo - print signal description LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> void psignal(int sig , const char …print signal description NAME psignal, psiginfo - print signal description LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> void psignal(int sig , const char …initialize an unnamed semaphore NAME sem_init - initialize an unnamed semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <semaphore.h> int sem_ini…