...tion (2) for details on what happens when the disposition SIGCHLD is set to SIG_IGN . See signal-safety (7) for a list of the async-signal-safe functions that can be safely call…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…...should not be done in production programs), since printf() is not async-signal-safe; see signal-safety(7). Nevertheless, we use printf() here as a simple way of showing that the…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…receive a message from a message queue NAME mq_receive, mq_timedreceive - receive a message from a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <mqueu…...a multithreaded program, the child can safely call only async-signal-safe functions (see signal-safety (7)) until such time as it calls execve (2). • The child inherits copies o…register for notification when a message is available NAME mq_notify - register for notification when a message is available LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #in…examine and change a signal action NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int siga…examine and change a signal action NAME sigaction, rt_sigaction - examine and change a signal action LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int siga…...should not be done in production programs), since printf() is not async-signal-safe; see signal-safety(7). Nevertheless, we use printf() here as a simple way of showing that the…...should not be done in production programs), since printf() is not async-signal-safe; see signal-safety(7). Nevertheless, we use printf() here as a simple way of showing that the…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 …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 …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 …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 …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 …send a signal to a process specified by a file descriptor NAME pidfd_send_signal - send a signal to a process specified by a file descriptor LIBRARY Standard C library ( libc , -lc…wait for a signal NAME sigsuspend, rt_sigsuspend - wait for a signal LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int sigsuspend(const sigset_t * mask ); …wait for a signal NAME sigsuspend, rt_sigsuspend - wait for a signal LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int sigsuspend(const sigset_t * mask ); …send signal to a process NAME kill - send signal to a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <signal.h> int kill(pid_t pid , int sig ); Feature Test Ma…