const char * s ); void psiginfo(const siginfo_t * pinfo , const char * s ); Feature Test Macro ... which should point to a valid siginfo_t structure. As well as the signal descript…value field of the siginfo_t structure passed as the second argument to the handler ... third argument, which is the siginfo_t structure that will be supplied to the receivingconst char * s ); void psiginfo(const siginfo_t * pinfo , const char * s ); Feature Test Macro ... which should point to a valid siginfo_t structure. As well as the signal descript…signal number, rather than a siginfo_t structure describing the signal. • The return valuescode field of the siginfo_t structure will be set to SI_ASYNCNL . SIGEV_THREADcode field of the siginfo_t structure will be set to SI_ASYNCNL . SIGEV_THREADcode field of the siginfo_t structure will be set to SI_ASYNCNL . SIGEV_THREADcode field of the siginfo_t structure will be set to SI_ASYNCNL . SIGEV_THREADcode field of the siginfo_t structure will be set to SI_MESGQ . In addition