execv             156 include/ruby/win32.h #undef execv
execv             157 include/ruby/win32.h #define execv(path,argv)	rb_w32_aspawn(P_OVERLAY,path,argv)
execv             286 process.c      #define execv(path, argv) (rb_async_bug_errno("unreachable: async-signal-unsafe execv() is called", 0))