Corpus for setpgid:
Coverage Program
1227 gettid-ptrace$peek-ptrace-gettid-ptrace$setregs-setpgid-prctl$PR_SET_KEEPCAPS-get_robust_list-tgkill-fork
594 fork-setpgid-tkill-wait4
215 perf_event_open-setpgid
157 perf_event_open-setpgid
157 perf_event_open-setpgid
146 seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-setpgid
141 socket$unix-fcntl$setown-fcntl$getownex-setpgid
93 gettid-setpgid
81 setpgid
69 socket$unix-fcntl$setown-fcntl$getownex-setpgid