github.com/jfrazelle/docker@v1.1.2-0.20210712172922-bf78e25fe508/contrib/syscall-test/setgid.c (about) 1 #include <sys/types.h> 2 #include <unistd.h> 3 #include <stdio.h> 4 5 int main() { 6 if (setgid(1) == -1) { 7 perror("setgid"); 8 return 1; 9 } 10 return 0; 11 }