execv            1231 process.c              execv("/bin/sh", argv); /* async-signal-safe (since SUSv4) */
execv            1260 process.c              execv(prog, argv); /* async-signal-safe (since SUSv4) */
execv              33 ruby-runner.c      execv(BUILDDIR"/"STRINGIZE(RUBY_INSTALL_NAME), argv);