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| | #ifndef SLEEPY_PENGUIN_H
#define SLEEPY_PENGUIN_H
#include <ruby.h>
#ifdef HAVE_RUBY_IO_H
# include <ruby/io.h>
#else
# include <rubyio.h>
#endif
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
#include <unistd.h>
extern size_t rb_sp_l1_cache_line_size;
unsigned rb_sp_get_uflags(VALUE klass, VALUE flags);
int rb_sp_get_flags(VALUE klass, VALUE flags, int default_flags);
int rb_sp_io_closed(VALUE io);
int rb_sp_fileno(VALUE io);
void rb_sp_set_nonblock(int fd);
#ifdef HAVE_RB_THREAD_IO_BLOCKING_REGION
/* Ruby 1.9.3 and 2.0.0 */
VALUE rb_thread_io_blocking_region(rb_blocking_function_t *, void *, int);
# define rb_sp_fd_region(fn,data,fd) \
rb_thread_io_blocking_region((fn),(data),(fd))
#elif defined(HAVE_RB_THREAD_CALL_WITHOUT_GVL) && \
defined(HAVE_RUBY_THREAD_H) && HAVE_RUBY_THREAD_H
/* in case Ruby 2.0+ ever drops rb_thread_io_blocking_region: */
# include <ruby/thread.h>
# define COMPAT_FN (void *(*)(void *))
# define rb_sp_fd_region(fn,data,fd) \
rb_thread_call_without_gvl(COMPAT_FN(fn),(data),RUBY_UBF_IO,NULL)
#elif defined(HAVE_RB_THREAD_BLOCKING_REGION)
/* Ruby 1.9.2 */
# define rb_sp_fd_region(fn,data,fd) \
rb_thread_blocking_region((fn),(data),RUBY_UBF_IO,NULL)
#else
# error Ruby <= 1.8 not supported
#endif
#define NODOC_CONST(klass,name,value) \
rb_define_const((klass),(name),(value))
#ifdef HAVE_RB_FD_FIX_CLOEXEC
# define RB_SP_CLOEXEC(flag) (flag)
#else
# define RB_SP_CLOEXEC(flag) (0)
#endif
typedef int rb_sp_waitfn(int fd);
int rb_sp_wait(rb_sp_waitfn waiter, VALUE obj, int *fd);
void *rb_sp_gettlsbuf(size_t *size);
VALUE rb_sp_puttlsbuf(VALUE);
/* Flexible array elements are standard in C99 */
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
# define FLEX_ARRAY
#elif defined(__GNUC__)
# if (__GNUC__ >= 3)
# define FLEX_ARRAY
# else
# define FLEX_ARRAY 0
# endif
#endif
int rb_sp_gc_for_fd(int err);
#ifndef HAVE_COPY_FILE_RANGE
# include <sys/syscall.h>
# if !defined(__NR_copy_file_range) && defined(__linux__)
# if defined(__x86_64__)
# define __NR_copy_file_range 326
# elif defined(__i386__)
# define __NR_copy_file_range 377
# endif /* supported arches */
# endif /* __NR_copy_file_range */
#endif
#endif /* SLEEPY_PENGUIN_H */
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