00001 #include "ruby/ruby.h"
00002 #include "ruby/io.h"
00003
00004 static VALUE
00005 wait_for_single_fd(VALUE ign, VALUE fd, VALUE events, VALUE timeout)
00006 {
00007 struct timeval tv;
00008 struct timeval *tvp = NULL;
00009 int rc;
00010
00011 if (!NIL_P(timeout)) {
00012 tv = rb_time_timeval(timeout);
00013 tvp = &tv;
00014 }
00015
00016 rc = rb_wait_for_single_fd(NUM2INT(fd), NUM2INT(events), tvp);
00017 if (rc == -1)
00018 rb_sys_fail("rb_wait_for_single_fd");
00019 return INT2NUM(rc);
00020 }
00021
00022 void
00023 Init_wait_for_single_fd(void)
00024 {
00025 rb_define_const(rb_cObject, "RB_WAITFD_IN", INT2NUM(RB_WAITFD_IN));
00026 rb_define_const(rb_cObject, "RB_WAITFD_OUT", INT2NUM(RB_WAITFD_OUT));
00027 rb_define_const(rb_cObject, "RB_WAITFD_PRI", INT2NUM(RB_WAITFD_PRI));
00028 rb_define_singleton_method(rb_cIO, "wait_for_single_fd",
00029 wait_for_single_fd, 3);
00030 }
00031
