queue a signal and data to a process NAME sigqueue - queue a signal and data to a process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS...queue a signal and data to a thread NAME pthread_sigqueue - queue a signal and data to a thread LIBRARY POSIX threads library ( libpthread , -lpthr......SIGCHLD , and the user ID and process ID of the sender, for signals set using kill (2) or sigqueue (3)). RETURN VALUE The psignal () and psiginfo () functions return no value. A…...SIGCHLD , and the user ID and process ID of the sender, for signals set using kill (2) or sigqueue (3)). RETURN VALUE The psignal () and psiginfo () functions return no value. A…...e counted for the purpose of checking this limit. However, the limit is enforced only for sigqueue (3); it is always possible to use kill (2) to queue one instance of any of the…