/* Test setpgid after setsid. */ #include "process.h" int main(void) { pid_t child = fork(); if ( child < 0 ) err(1, "fork"); if ( !child ) { if ( setsid() < 0 ) err(1, "setsid"); if ( setpgid(0, 0) < 0 ) err(1, "setpgid"); exit(0); } int status; if ( waitpid(child, &status, 0) < 0 ) err(1, "waitpid"); if ( WIFEXITED(status) ) return WEXITSTATUS(status); else if ( WIFSIGNALED(status) ) errx(1, "%s", strsignal(WTERMSIG(status))); else errx(1, "unknown exit: %#x", status); }