rb_syswait 643 include/ruby/intern.h void rb_syswait(rb_pid_t pid); rb_syswait 3159 process.c #define proc_syswait (VALUE (*)(VALUE))rb_syswait rb_syswait 3164 process.c rb_syswait((int)pid); rb_syswait 3639 process.c rb_syswait(pid);