standard signal is already pending, the siginfo_t structure (see sigaction (2)) associated with that ... value field of the siginfo_t structure passed as the second argument to the…overview of system data types DESCRIPTION siginfo_t Include : . Alternatively, <sys/wait.h> . typedef struct ... union sigval si_value; /* Signal value */ } siginfo_t; Informatio…that signal. (Within the handler, the siginfo_t si_pid field described in sigaction ... sent (see the description of the siginfo_t type in sigaction (2)). Since thisfield of its siginfo_t . See fcntl (2) for more information. Under some circumstancescompletion signal */ aioSigHandler(int sig, siginfo_t *si, void *ucontext) { if (si->si_codeSETSIG in fcntl (2). The siginfo_t structure (described in sigaction (2)) that is passedfield in the siginfo_t received with a signal (see sigaction (2)), credentials written