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 );…get/set resource limits NAME getrlimit, setrlimit, prlimit - get/set resource limits LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/resource.h> int getrlimit(int …create a new thread NAME pthread_create - create a new thread LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <pthread.h> int pthread_create(pthread_t *r…number of last error NAME errno - number of last error LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <errno.h> DESCRIPTION The <errno.h> header file defines the integ…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…destroy an unnamed semaphore NAME sem_destroy - destroy an unnamed semaphore LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <semaphore.h> int sem_destro…set/get the concurrency level NAME pthread_setconcurrency, pthread_getconcurrency - set/get the concurrency level LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS …set/get the concurrency level NAME pthread_setconcurrency, pthread_getconcurrency - set/get the concurrency level LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS …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 attributes of created thread NAME pthread_getattr_np - get attributes of created thread LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #define _GNU_SOURCE /*…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…synchronous I/O multiplexing NAME select, pselect, FD_CLR, FD_ISSET, FD_SET, FD_ZERO, fd_set - synchronous I/O multiplexing LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #incl…allocate and free dynamic memory NAME malloc, free, calloc, realloc, reallocarray - allocate and free dynamic memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <st…allocate and free dynamic memory NAME malloc, free, calloc, realloc, reallocarray - allocate and free dynamic memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <st…allocate and free dynamic memory NAME malloc, free, calloc, realloc, reallocarray - allocate and free dynamic memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <st…allocate and free dynamic memory NAME malloc, free, calloc, realloc, reallocarray - allocate and free dynamic memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <st…allocate and free dynamic memory NAME malloc, free, calloc, realloc, reallocarray - allocate and free dynamic memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <st…detach a thread NAME pthread_detach - detach a thread LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <pthread.h> int pthread_detach(pthread_t thread ); …