1#include "ruby/ruby.h" 2#include "ruby/io.h" 3 4static VALUE 5wait_for_single_fd(VALUE ign, VALUE fd, VALUE events, VALUE timeout) 6{ 7 struct timeval tv; 8 struct timeval *tvp = NULL; 9 int rc; 10 11 if (!NIL_P(timeout)) { 12 tv = rb_time_timeval(timeout); 13 tvp = &tv; 14 } 15 16 rc = rb_wait_for_single_fd(NUM2INT(fd), NUM2INT(events), tvp); 17 if (rc == -1) 18 rb_sys_fail("rb_wait_for_single_fd"); 19 return INT2NUM(rc); 20} 21 22void 23Init_wait_for_single_fd(void) 24{ 25 rb_define_const(rb_cObject, "RB_WAITFD_IN", INT2NUM(RB_WAITFD_IN)); 26 rb_define_const(rb_cObject, "RB_WAITFD_OUT", INT2NUM(RB_WAITFD_OUT)); 27 rb_define_const(rb_cObject, "RB_WAITFD_PRI", INT2NUM(RB_WAITFD_PRI)); 28 rb_define_singleton_method(rb_cIO, "wait_for_single_fd", 29 wait_for_single_fd, 3); 30} 31