build: FAILED
conformance/interfaces/sigset/5-1: build: FAILED: Compiler output:
conformance/interfaces/sigset/5-1.c:35:35: error: use of undeclared identifier 'SIGPOLL'
SIGUSR1, SIGUSR2, SIGPOLL, SIGPROF, SIGSYS,
^
conformance/interfaces/sigset/5-1.c:57:6: warning: implicit declaration of function 'sigset' is invalid in C99 [-Wimplicit-function-declaration]
if (sigset(SIGCHLD, myhandler) == SIG_ERR) {
^
conformance/interfaces/sigset/5-1.c:57:33: warning: comparison between pointer and integer ('int' and 'void (*)(int)') [-Wpointer-integer-compare]
if (sigset(SIGCHLD, myhandler) == SIG_ERR) {
~~~~~~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~~~~
2 warnings and 1 error generated.