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#include "ruby/ruby.h"
#include "ruby/io.h"
static VALUE
wait_for_single_fd(VALUE ign, VALUE fd, VALUE events, VALUE timeout)
{
struct timeval tv;
struct timeval *tvp = NULL;
int rc;
if (!NIL_P(timeout)) {
tv = rb_time_timeval(timeout);
tvp = &tv;
}
rc = rb_wait_for_single_fd(NUM2INT(fd), NUM2INT(events), tvp);
if (rc == -1)
rb_sys_fail("rb_wait_for_single_fd");
return INT2NUM(rc);
}
void
Init_wait_for_single_fd(void)
{
rb_define_const(rb_cObject, "RB_WAITFD_IN", INT2NUM(RB_WAITFD_IN));
rb_define_const(rb_cObject, "RB_WAITFD_OUT", INT2NUM(RB_WAITFD_OUT));
rb_define_const(rb_cObject, "RB_WAITFD_PRI", INT2NUM(RB_WAITFD_PRI));
rb_define_singleton_method(rb_cIO, "wait_for_single_fd",
wait_for_single_fd, 3);
}
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