# Define socket sizes and types.
if LIBGO_IS_LINUX
-syscall_socket_file = go/syscall/socket_linux.go
+syscall_socket_file = go/syscall/socket_linux.go epoll.go
else
if LIBGO_IS_SOLARIS
syscall_socket_file = go/syscall/socket_solaris.go
$(SHELL) $(srcdir)/../move-if-change tmp-sysinfo.go sysinfo.go
$(STAMP) $@
+# The epoll struct has an embedded union and is packed on x86_64,
+# which is too complicated for mksysinfo.sh. We find the offset of
+# the only field we care about in configure.ac, and generate the
+# struct here.
+epoll.go: s-epoll; @true
+s-epoll: Makefile
+ rm -f epoll.go.tmp
+ echo 'package syscall' > epoll.go.tmp
+ echo 'type EpollEvent struct {' >> epoll.go.tmp
+ echo ' Events uint32' >> epoll.go.tmp
+ case "$(SIZEOF_STRUCT_EPOLL_EVENT),$(STRUCT_EPOLL_EVENT_FD_OFFSET)" in \
+ 0,0) echo 1>&2 "*** struct epoll_event data.fd offset unknown"; \
+ exit 1; ;; \
+ 8,4) echo ' Fd int32' >> epoll.go.tmp; ;; \
+ 12,4) echo ' Fd int32' >> epoll.go.tmp; \
+ echo ' Pad [4]byte' >> epoll.go.tmp; ;; \
+ 12,8) echo ' Pad [4]byte' >> epoll.go.tmp; \
+ echo ' Fd int32' >> epoll.go.tmp; ;; \
+ 16,8) echo ' Pad [4]byte' >> epoll.go.tmp; \
+ echo ' Fd int32' >> epoll.go.tmp; \
+ echo ' Pad2 [4]byte' >> epoll.go.tmp; ;; \
+ *) echo 1>&2 "*** struct epoll_event unsupported"; \
+ exit 1; ;; \
+ esac
+ echo '}' >> epoll.go.tmp
+ $(SHELL) $(srcdir)/../move-if-change epoll.go.tmp epoll.go
+ $(STAMP) $@
+
if LIBGO_IS_LINUX
# os_lib_inotify_lo = os/inotify.lo
os_lib_inotify_lo =
SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
+SIZEOF_STRUCT_EPOLL_EVENT = @SIZEOF_STRUCT_EPOLL_EVENT@
SPLIT_STACK = @SPLIT_STACK@
STRINGOPS_FLAG = @STRINGOPS_FLAG@
STRIP = @STRIP@
+STRUCT_EPOLL_EVENT_FD_OFFSET = @STRUCT_EPOLL_EVENT_FD_OFFSET@
VERSION = @VERSION@
WARN_FLAGS = @WARN_FLAGS@
WERROR = @WERROR@
@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_TRUE@syscall_socket_file = go/syscall/socket_solaris.go
# Define socket sizes and types.
-@LIBGO_IS_LINUX_TRUE@syscall_socket_file = go/syscall/socket_linux.go
+@LIBGO_IS_LINUX_TRUE@syscall_socket_file = go/syscall/socket_linux.go epoll.go
@LIBGO_IS_386_FALSE@@LIBGO_IS_SOLARIS_TRUE@syscall_uname_file = go/syscall/libcall_uname.go
# Support for uname.
$(SHELL) $(srcdir)/../move-if-change tmp-sysinfo.go sysinfo.go
$(STAMP) $@
+# The epoll struct has an embedded union and is packed on x86_64,
+# which is too complicated for mksysinfo.sh. We find the offset of
+# the only field we care about in configure.ac, and generate the
+# struct here.
+epoll.go: s-epoll; @true
+s-epoll: Makefile
+ rm -f epoll.go.tmp
+ echo 'package syscall' > epoll.go.tmp
+ echo 'type EpollEvent struct {' >> epoll.go.tmp
+ echo ' Events uint32' >> epoll.go.tmp
+ case "$(SIZEOF_STRUCT_EPOLL_EVENT),$(STRUCT_EPOLL_EVENT_FD_OFFSET)" in \
+ 0,0) echo 1>&2 "*** struct epoll_event data.fd offset unknown"; \
+ exit 1; ;; \
+ 8,4) echo ' Fd int32' >> epoll.go.tmp; ;; \
+ 12,4) echo ' Fd int32' >> epoll.go.tmp; \
+ echo ' Pad [4]byte' >> epoll.go.tmp; ;; \
+ 12,8) echo ' Pad [4]byte' >> epoll.go.tmp; \
+ echo ' Fd int32' >> epoll.go.tmp; ;; \
+ 16,8) echo ' Pad [4]byte' >> epoll.go.tmp; \
+ echo ' Fd int32' >> epoll.go.tmp; \
+ echo ' Pad2 [4]byte' >> epoll.go.tmp; ;; \
+ *) echo 1>&2 "*** struct epoll_event unsupported"; \
+ exit 1; ;; \
+ esac
+ echo '}' >> epoll.go.tmp
+ $(SHELL) $(srcdir)/../move-if-change epoll.go.tmp epoll.go
+ $(STAMP) $@
+
asn1/asn1.lo: $(go_asn1_files) big.gox bytes.gox fmt.gox io.gox os.gox \
reflect.gox strconv.gox strings.gox time.gox
$(BUILDPACKAGE)
am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
+STRUCT_EPOLL_EVENT_FD_OFFSET
+SIZEOF_STRUCT_EPOLL_EVENT
STRINGOPS_FLAG
HAVE_WAIT4_FALSE
HAVE_WAIT4_TRUE
eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
} # ac_fn_c_check_type
+
+# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
+# --------------------------------------------
+# Tries to find the compile-time value of EXPR in a program that includes
+# INCLUDES, setting VAR accordingly. Returns whether the value could be
+# computed
+ac_fn_c_compute_int ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ if test "$cross_compiling" = yes; then
+ # Depending upon the size, compute the lo and hi bounds.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_lo=0 ac_mid=0
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=$ac_mid; break
+else
+ as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+ if test $ac_lo -le $ac_mid; then
+ ac_lo= ac_hi=
+ break
+ fi
+ as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) < 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=-1 ac_mid=-1
+ while :; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_lo=$ac_mid; break
+else
+ as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+ if test $ac_mid -le $ac_hi; then
+ ac_lo= ac_hi=
+ break
+ fi
+ as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ ac_lo= ac_hi=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_hi=$ac_mid
+else
+ as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in #((
+?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
+'') ac_retval=1 ;;
+esac
+ else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+static long int longval () { return $2; }
+static unsigned long int ulongval () { return $2; }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+ FILE *f = fopen ("conftest.val", "w");
+ if (! f)
+ return 1;
+ if (($2) < 0)
+ {
+ long int i = longval ();
+ if (i != ($2))
+ return 1;
+ fprintf (f, "%ld", i);
+ }
+ else
+ {
+ unsigned long int i = ulongval ();
+ if (i != ($2))
+ return 1;
+ fprintf (f, "%lu", i);
+ }
+ /* Do not output a trailing newline, as this causes \r\n confusion
+ on some platforms. */
+ return ferror (f) || fclose (f) != 0;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ echo >>conftest.val; read $3 <conftest.val; ac_retval=0
+else
+ ac_retval=1
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f conftest.val
+
+ fi
+ eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ return $ac_retval
+
+} # ac_fn_c_compute_int
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10919 "configure"
+#line 11099 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11025 "configure"
+#line 11205 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
CFLAGS=$CFLAGS_hold
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking epoll_event size" >&5
+$as_echo_n "checking epoll_event size... " >&6; }
+if test "${libgo_cv_c_epoll_event_size+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if ac_fn_c_compute_int "$LINENO" "sizeof (struct epoll_event)" "libgo_cv_c_epoll_event_size" "#include <sys/epoll.h>"; then :
+
+else
+ libgo_cv_c_epoll_event_size=0
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgo_cv_c_epoll_event_size" >&5
+$as_echo "$libgo_cv_c_epoll_event_size" >&6; }
+SIZEOF_STRUCT_EPOLL_EVENT=${libgo_cv_c_epoll_event_size}
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking epoll_event data.fd offset" >&5
+$as_echo_n "checking epoll_event data.fd offset... " >&6; }
+if test "${libgo_cv_c_epoll_event_fd_offset+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if ac_fn_c_compute_int "$LINENO" "offsetof (struct epoll_event, data.fd)" "libgo_cv_c_epoll_event_fd_offset" "#include <stddef.h>
+#include <sys/epoll.h>"; then :
+
+else
+ libgo_cv_c_epoll_event_fd_offset=0
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgo_cv_c_epoll_event_fd_offset" >&5
+$as_echo "$libgo_cv_c_epoll_event_fd_offset" >&6; }
+STRUCT_EPOLL_EVENT_FD_OFFSET=${libgo_cv_c_epoll_event_fd_offset}
+
+
cat >confcache <<\_ACEOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
AC_CHECK_TYPES(off64_t)
CFLAGS=$CFLAGS_hold
+dnl Work out the size of the epoll_events struct on GNU/Linux.
+AC_CACHE_CHECK([epoll_event size],
+[libgo_cv_c_epoll_event_size],
+[AC_COMPUTE_INT(libgo_cv_c_epoll_event_size,
+[sizeof (struct epoll_event)],
+[#include <sys/epoll.h>],
+[libgo_cv_c_epoll_event_size=0])])
+SIZEOF_STRUCT_EPOLL_EVENT=${libgo_cv_c_epoll_event_size}
+AC_SUBST(SIZEOF_STRUCT_EPOLL_EVENT)
+
+dnl Work out the offset of the fd field in the epoll_events struct on
+dnl GNU/Linux.
+AC_CACHE_CHECK([epoll_event data.fd offset],
+[libgo_cv_c_epoll_event_fd_offset],
+[AC_COMPUTE_INT(libgo_cv_c_epoll_event_fd_offset,
+[offsetof (struct epoll_event, data.fd)],
+[#include <stddef.h>
+#include <sys/epoll.h>],
+[libgo_cv_c_epoll_event_fd_offset=0])])
+STRUCT_EPOLL_EVENT_FD_OFFSET=${libgo_cv_c_epoll_event_fd_offset}
+AC_SUBST(STRUCT_EPOLL_EVENT_FD_OFFSET)
+
AC_CACHE_SAVE
if test ${multilib} = yes; then
return nil, EAFNOSUPPORT
}
-// We don't take this type directly from the header file because it
-// uses a union. FIXME.
-
-type EpollEvent struct {
- Events uint32
- Fd int32
- Pad int32
-}
-
//sysnb EpollCreate(size int) (fd int, errno int)
//epoll_create(size int) int
SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
+SIZEOF_STRUCT_EPOLL_EVENT = @SIZEOF_STRUCT_EPOLL_EVENT@
SPLIT_STACK = @SPLIT_STACK@
STRINGOPS_FLAG = @STRINGOPS_FLAG@
STRIP = @STRIP@
+STRUCT_EPOLL_EVENT_FD_OFFSET = @STRUCT_EPOLL_EVENT_FD_OFFSET@
VERSION = @VERSION@
WARN_FLAGS = @WARN_FLAGS@
WERROR = @WERROR@
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