[kaffe] CVS kaffe (robilad): Resynced with GNU Classpath: VMSelector implementation merged in
Kaffe CVS
cvs-commits at kaffe.org
Mon Mar 21 09:24:35 PST 2005
PatchSet 5580
Date: 2005/03/21 17:14:58
Author: robilad
Branch: HEAD
Tag: (none)
Log:
Resynced with GNU Classpath: VMSelector implementation merged in
2005-03-21 Dalibor Topic <robilad at kaffe.org>
Resynced with GNU Classpath.
2005-03-18 Robert Schuster <thebohemian at gmx>
* native/jni/java-nio/gnu_java_nio_VMSelector.c: Implemented
Java_gnu_java_nio_VMSelector_select.
* configure.ac: Added check for sys/select.h and strerro_r().
* libraries/clib/nio/SelectorImpl.c: Removed. Replaced by
gnu_java_nio_VMSelector.c.
Members:
ChangeLog:1.3754->1.3755
configure:1.436->1.437
configure.ac:1.126->1.127
config/config.h.in:1.137->1.138
libraries/clib/nio/Makefile.am:1.10->1.11
libraries/clib/nio/Makefile.in:1.66->1.67
libraries/clib/nio/SelectorImpl.c:1.3->1.4(DEAD)
libraries/clib/nio/gnu_java_nio_VMSelector.c:INITIAL->1.1
Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.3754 kaffe/ChangeLog:1.3755
--- kaffe/ChangeLog:1.3754 Mon Mar 21 16:36:56 2005
+++ kaffe/ChangeLog Mon Mar 21 17:14:58 2005
@@ -2,6 +2,19 @@
Resynced with GNU Classpath.
+ 2005-03-18 Robert Schuster <thebohemian at gmx>
+
+ * native/jni/java-nio/gnu_java_nio_VMSelector.c: Implemented
+ Java_gnu_java_nio_VMSelector_select.
+ * configure.ac: Added check for sys/select.h and strerro_r().
+
+ * libraries/clib/nio/SelectorImpl.c: Removed. Replaced by
+ gnu_java_nio_VMSelector.c.
+
+2005-03-21 Dalibor Topic <robilad at kaffe.org>
+
+ Resynced with GNU Classpath.
+
2005-03-17 Chris Burdess <dog at gnu.org>
* gnu/xml/dom/html2/DomHTMLDocument.java: Fixed element creation and
Index: kaffe/configure
diff -u kaffe/configure:1.436 kaffe/configure:1.437
--- kaffe/configure:1.436 Mon Mar 21 01:21:33 2005
+++ kaffe/configure Mon Mar 21 17:15:02 2005
@@ -44095,7 +44095,8 @@
-for ac_func in strerror hstrerror
+
+for ac_func in strerror hstrerror strerror_r
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
echo "$as_me:$LINENO: checking for $ac_func" >&5
Index: kaffe/configure.ac
diff -u kaffe/configure.ac:1.126 kaffe/configure.ac:1.127
--- kaffe/configure.ac:1.126 Mon Mar 21 01:21:36 2005
+++ kaffe/configure.ac Mon Mar 21 17:15:09 2005
@@ -1488,7 +1488,7 @@
AC_DEFINE(STRTOD_m0_BROKEN, 1, [Define if strtod(\"-0.0\") is broken])
fi
-AC_CHECK_FUNCS([strerror hstrerror])
+AC_CHECK_FUNCS([strerror hstrerror strerror_r])
AC_CHECK_FUNCS([fcntl ioctl])
AC_CHECK_FUNCS([alarm setitimer])
AC_CHECK_FUNCS([sigprocmask sigsetmask sigemptyset sigaddset signal sigaction])
Index: kaffe/config/config.h.in
diff -u kaffe/config/config.h.in:1.137 kaffe/config/config.h.in:1.138
--- kaffe/config/config.h.in:1.137 Wed Mar 16 10:30:55 2005
+++ kaffe/config/config.h.in Mon Mar 21 17:15:09 2005
@@ -512,6 +512,9 @@
/* Define to 1 if you have the `strerror' function. */
#undef HAVE_STRERROR
+/* Define to 1 if you have the `strerror_r' function. */
+#undef HAVE_STRERROR_R
+
/* Define to 1 if you have the `strftime' function. */
#undef HAVE_STRFTIME
Index: kaffe/libraries/clib/nio/Makefile.am
diff -u kaffe/libraries/clib/nio/Makefile.am:1.10 kaffe/libraries/clib/nio/Makefile.am:1.11
--- kaffe/libraries/clib/nio/Makefile.am:1.10 Thu Jan 13 11:16:34 2005
+++ kaffe/libraries/clib/nio/Makefile.am Mon Mar 21 17:15:10 2005
@@ -23,7 +23,7 @@
libnio_la_SOURCES = \
java_nio_VMDirectByteBuffer.c \
- SelectorImpl.c \
+ gnu_java_nio_VMSelector.c \
FileChannelImpl.c
libnio_la_DEPENDENCIES = \
Index: kaffe/libraries/clib/nio/Makefile.in
diff -u kaffe/libraries/clib/nio/Makefile.in:1.66 kaffe/libraries/clib/nio/Makefile.in:1.67
--- kaffe/libraries/clib/nio/Makefile.in:1.66 Wed Mar 16 10:31:25 2005
+++ kaffe/libraries/clib/nio/Makefile.in Mon Mar 21 17:15:10 2005
@@ -85,7 +85,8 @@
am__DEPENDENCIES_1 = \
$(top_builddir)/libraries/clib/classpath/libclasspath.la
am_libnio_la_OBJECTS = libnio_la-java_nio_VMDirectByteBuffer.lo \
- libnio_la-SelectorImpl.lo libnio_la-FileChannelImpl.lo
+ libnio_la-gnu_java_nio_VMSelector.lo \
+ libnio_la-FileChannelImpl.lo
libnio_la_OBJECTS = $(am_libnio_la_OBJECTS)
DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)/config -I$(top_builddir)/include/kaffe
depcomp = $(SHELL) $(top_srcdir)/scripts/depcomp
@@ -395,7 +396,7 @@
libnio_la_SOURCES = \
java_nio_VMDirectByteBuffer.c \
- SelectorImpl.c \
+ gnu_java_nio_VMSelector.c \
FileChannelImpl.c
libnio_la_DEPENDENCIES = \
@@ -475,7 +476,7 @@
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/libnio_la-FileChannelImpl.Plo at am__quote@
- at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/libnio_la-SelectorImpl.Plo at am__quote@
+ at AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/libnio_la-gnu_java_nio_VMSelector.Plo at am__quote@
@AMDEP_TRUE@@am__include@ @am__quote at ./$(DEPDIR)/libnio_la-java_nio_VMDirectByteBuffer.Plo at am__quote@
.c.o:
@@ -506,12 +507,12 @@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -c -o libnio_la-java_nio_VMDirectByteBuffer.lo `test -f 'java_nio_VMDirectByteBuffer.c' || echo '$(srcdir)/'`java_nio_VMDirectByteBuffer.c
-libnio_la-SelectorImpl.lo: SelectorImpl.c
- at am__fastdepCC_TRUE@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -MT libnio_la-SelectorImpl.lo -MD -MP -MF "$(DEPDIR)/libnio_la-SelectorImpl.Tpo" -c -o libnio_la-SelectorImpl.lo `test -f 'SelectorImpl.c' || echo '$(srcdir)/'`SelectorImpl.c; \
- at am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libnio_la-SelectorImpl.Tpo" "$(DEPDIR)/libnio_la-SelectorImpl.Plo"; else rm -f "$(DEPDIR)/libnio_la-SelectorImpl.Tpo"; exit 1; fi
- at AMDEP_TRUE@@am__fastdepCC_FALSE@ source='SelectorImpl.c' object='libnio_la-SelectorImpl.lo' libtool=yes @AMDEPBACKSLASH@
+libnio_la-gnu_java_nio_VMSelector.lo: gnu_java_nio_VMSelector.c
+ at am__fastdepCC_TRUE@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -MT libnio_la-gnu_java_nio_VMSelector.lo -MD -MP -MF "$(DEPDIR)/libnio_la-gnu_java_nio_VMSelector.Tpo" -c -o libnio_la-gnu_java_nio_VMSelector.lo `test -f 'gnu_java_nio_VMSelector.c' || echo '$(srcdir)/'`gnu_java_nio_VMSelector.c; \
+ at am__fastdepCC_TRUE@ then mv -f "$(DEPDIR)/libnio_la-gnu_java_nio_VMSelector.Tpo" "$(DEPDIR)/libnio_la-gnu_java_nio_VMSelector.Plo"; else rm -f "$(DEPDIR)/libnio_la-gnu_java_nio_VMSelector.Tpo"; exit 1; fi
+ at AMDEP_TRUE@@am__fastdepCC_FALSE@ source='gnu_java_nio_VMSelector.c' object='libnio_la-gnu_java_nio_VMSelector.lo' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
- at am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -c -o libnio_la-SelectorImpl.lo `test -f 'SelectorImpl.c' || echo '$(srcdir)/'`SelectorImpl.c
+ at am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -c -o libnio_la-gnu_java_nio_VMSelector.lo `test -f 'gnu_java_nio_VMSelector.c' || echo '$(srcdir)/'`gnu_java_nio_VMSelector.c
libnio_la-FileChannelImpl.lo: FileChannelImpl.c
@am__fastdepCC_TRUE@ if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libnio_la_CFLAGS) $(CFLAGS) -MT libnio_la-FileChannelImpl.lo -MD -MP -MF "$(DEPDIR)/libnio_la-FileChannelImpl.Tpo" -c -o libnio_la-FileChannelImpl.lo `test -f 'FileChannelImpl.c' || echo '$(srcdir)/'`FileChannelImpl.c; \
===================================================================
Checking out kaffe/libraries/clib/nio/SelectorImpl.c
RCS: /home/cvs/kaffe/kaffe/libraries/clib/nio/Attic/SelectorImpl.c,v
VERS: 1.3
***************
--- kaffe/libraries/clib/nio/SelectorImpl.c Mon Mar 21 17:24:35 2005
+++ /dev/null Sun Aug 4 19:57:58 2002
@@ -1,82 +0,0 @@
-/*
- * SelectorImpl.c
- *
- * Copyright (c) 2003, 2004.
- * The Kaffe.org's developers. See ChangeLog for details.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file.
- */
-
-#include "config.h"
-#include "config-std.h"
-#include "config-io.h"
-#include "files.h"
-#include "gnu_java_nio_SelectorImpl.h"
-#include "jsyscall.h"
-#include "native.h"
-#include "Arrays.h"
-
-static void checkInSelectTable(HArrayOfInt* fdArray, fd_set *set, int *num_fd)
-{
- jint *iarray;
- int i;
-
- FD_ZERO(set);
-
- iarray = unhand_int_array(fdArray);
- for (i=0;i<obj_length(fdArray);i++)
- {
- FD_SET(iarray[i], set);
- if (iarray[i] >= (*num_fd))
- *num_fd = iarray[i]+1;
- }
-}
-
-static void checkOutSelectTable(HArrayOfInt* fdArray, fd_set *set, int *num_fd)
-{
- int i;
- jint *iarray;
-
- iarray = unhand_int_array(fdArray);
- for (i=0;i<obj_length(fdArray);i++)
- {
- if (!FD_ISSET(iarray[i], set))
- iarray[i] = 0;
- else
- (*num_fd)++;
- }
-}
-
-jint
-gnu_java_nio_VMSelector_select(HArrayOfInt* readA, HArrayOfInt* writeA,
- HArrayOfInt* exceptA, jlong timeout)
-{
- fd_set read_set, write_set, except_set;
- int num_fd = 0;
- int ret, r;
- struct timeval tval;
-
- checkInSelectTable(readA, &read_set, &num_fd);
- checkInSelectTable(writeA, &write_set, &num_fd);
- checkInSelectTable(exceptA, &except_set, &num_fd);
-
- if (timeout < 0)
- r = KSELECT(num_fd, &read_set, &write_set, &except_set, NULL, &ret);
- else
- {
- tval.tv_sec = timeout / 1000;
- tval.tv_usec = timeout * 1000;
- r = KSELECT(num_fd, &read_set, &write_set, &except_set, &tval, &ret);
- }
-
- if (r != 0)
- SignalError("java.io.IOException", SYS_ERROR(r));
-
- num_fd = 0;
- checkOutSelectTable(readA, &read_set, &num_fd);
- checkOutSelectTable(writeA, &write_set, &num_fd);
- checkOutSelectTable(exceptA, &except_set, &num_fd);
-
- return num_fd;
-}
===================================================================
Checking out kaffe/libraries/clib/nio/gnu_java_nio_VMSelector.c
RCS: /home/cvs/kaffe/kaffe/libraries/clib/nio/gnu_java_nio_VMSelector.c,v
VERS: 1.1
***************
--- /dev/null Sun Aug 4 19:57:58 2002
+++ kaffe/libraries/clib/nio/gnu_java_nio_VMSelector.c Mon Mar 21 17:24:35 2005
@@ -0,0 +1,282 @@
+/* gnu_java_nio_VMSelector.c - Native methods for SelectorImpl class
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+#include <sys/select.h>
+#include <sys/time.h>
+
+#include <string.h>
+
+#include <config.h>
+#include <errno.h>
+
+#include <jni.h>
+#include <jcl.h>
+
+#include "gnu_java_nio_VMSelector.h"
+
+/* Amount of characters in the error message buffer for strerror_r. */
+#define BUF_SIZE 250
+
+void
+helper_put_filedescriptors(JNIEnv *, jintArray, fd_set *, int *);
+
+void
+helper_get_filedescriptors (JNIEnv *, jintArray*, fd_set *);
+
+void
+helper_reset (JNIEnv *, jintArray*);
+
+int
+helper_select (JNIEnv *, jclass, jmethodID,
+ int, fd_set *, fd_set *, fd_set *,
+ struct timeval *);
+
+void
+helper_put_filedescriptors(JNIEnv *env, jintArray fdArray, fd_set *fds, int *max_fd)
+{
+ jint *tmpFDArray = (*env)->GetIntArrayElements(env, fdArray, 0);
+ int size = (*env)->GetArrayLength(env, fdArray);
+ int index, fd;
+
+ for( index = 0; index < size; index++)
+ {
+ fd = tmpFDArray [index];
+
+ if (fd > 0)
+ {
+ FD_SET (tmpFDArray [index], fds);
+
+ if (tmpFDArray [index] > (*max_fd))
+ (*max_fd) = tmpFDArray [index];
+ }
+ }
+}
+
+void
+helper_get_filedescriptors (JNIEnv *env, jintArray* fdArray, fd_set *fds)
+{
+ jint *tmpFDArray = (*env)->GetIntArrayElements(env, fdArray, 0);
+ int size = (*env)->GetArrayLength(env, fdArray);
+ int index, fd;
+
+ for (index = 0; index < size; index++)
+ {
+ fd = tmpFDArray [index];
+ if (fd < 0 || !FD_ISSET (fd, fds))
+ tmpFDArray [index] = 0;
+ }
+}
+
+void
+helper_reset (JNIEnv *env, jintArray* fdArray)
+{
+ jint* tmpFDArray = (*env)->GetIntArrayElements(env, fdArray, 0);
+ int size = (*env)->GetArrayLength(env, fdArray);
+ int index;
+
+ for (index = 0; index < size; index++)
+ tmpFDArray [index] = 0;
+}
+
+/* A wrapper for select() which ignores EINTR.
+ * Taken from gclib's posix.cc
+ */
+int
+helper_select (JNIEnv *env, jclass thread_class, jmethodID thread_interrupted,
+ int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+ struct timeval *timeout)
+{
+#ifdef HAVE_SYS_SELECT_H
+ /* If we have a timeout, compute the absolute ending time. */
+ struct timeval end, delay, after;
+ int r;
+
+ if (timeout)
+ {
+ gettimeofday (&end, NULL);
+
+ end.tv_usec += timeout->tv_usec;
+
+ if (end.tv_usec >= 1000000)
+ {
+ ++end.tv_sec;
+ end.tv_usec -= 1000000;
+ }
+
+ end.tv_sec += timeout->tv_sec;
+ delay = *timeout;
+ }
+ else
+ {
+ /* Placate compiler. */
+ delay.tv_sec = delay.tv_usec = 0;
+ }
+
+ while (1)
+ {
+ r = select (n, readfds, writefds, exceptfds,
+ timeout ? &delay : NULL);
+
+ if (r != -1 || errno != EINTR)
+ return r;
+
+ /* Here we know we got EINTR. */
+ if ( (*env)->CallStaticBooleanMethod(env, thread_class, thread_interrupted) )
+ {
+ return EINTR;
+ }
+
+ if (timeout)
+ {
+ gettimeofday (&after, NULL);
+
+ /* Now compute new timeout argument. */
+ delay.tv_usec = end.tv_usec - after.tv_usec;
+ delay.tv_sec = end.tv_sec - after.tv_sec;
+
+ if (delay.tv_usec < 0)
+ {
+ --delay.tv_sec;
+ delay.tv_usec += 1000000;
+ }
+
+ if (delay.tv_sec < 0)
+ {
+ /* We assume that the user wants a valid select() call
+ * more than precise timing. So if we get a series of
+ * EINTR we just keep trying with delay 0 until we get a
+ * valid result.
+ */
+ delay.tv_sec = 0;
+ }
+ }
+ }
+#else /* HAVE_SYS_SELECT_H */
+ return 0;
+#endif
+
+}
+
+JNIEXPORT jint JNICALL
+Java_gnu_java_nio_VMSelector_select (JNIEnv *env,
+ jclass obj __attribute__ ((__unused__)),
+ jintArray read,
+ jintArray write,
+ jintArray except,
+ jlong timeout)
+{
+ jint result;
+ jclass thread_class = (*env)->FindClass(env, "java/lang/Thread");
+ jmethodID thread_current_thread = (*env)->GetStaticMethodID(env, thread_class, "currentThread", "()Ljava/lang/Thread;");
+ jmethodID thread_interrupt = (*env)->GetMethodID(env, thread_class, "interrupt", "()V");
+ jmethodID thread_interrupted = (*env)->GetMethodID(env, thread_class, "interrupted", "()Z");
+ jobject current_thread;
+ int max_fd = 0;
+ fd_set read_fds;
+ fd_set write_fds;
+ fd_set except_fds;
+ struct timeval real_time_data;
+ struct timeval *time_data = NULL;
+ char message_buf[BUF_SIZE+1];
+
+ /* If a legal timeout value isn't given, use NULL.
+ * This means an infinite timeout. The specification
+ * also says that a zero timeout should be treated
+ * as infinite. Otherwise (if the timeout value is legal),
+ * fill our timeval struct and use it for the select.
+ */
+ if (timeout > 0)
+ {
+ real_time_data.tv_sec = timeout / 1000;
+ real_time_data.tv_usec = (timeout % 1000) * 1000;
+ time_data = &real_time_data;
+ }
+
+ /* Reset all fd_set structures */
+ FD_ZERO (&read_fds);
+ FD_ZERO (&write_fds);
+ FD_ZERO (&except_fds);
+
+ /* Fill the fd_set data structures for the _Jv_select() call. */
+ helper_put_filedescriptors (env, read, &read_fds, &max_fd);
+ helper_put_filedescriptors (env, write, &write_fds, &max_fd);
+ helper_put_filedescriptors (env, except, &except_fds, &max_fd);
+
+ /* Actually do the select */
+ result = helper_select (env, thread_class, thread_interrupted, max_fd + 1, &read_fds, &write_fds,
+ &except_fds, time_data);
+
+ if( result == EINTR ) {
+ /* The behavior of JRE 1.4.1 is that no exception is thrown
+ * when the thread is interrupted, but the thread's interrupt
+ * status is set. Clear all of our select sets and return 0,
+ * indicating that nothing was selected.
+ */
+ current_thread = (*env)->CallStaticObjectMethod(env, thread_class, thread_current_thread);
+ (*env)->CallVoidMethod(env, current_thread, thread_interrupt);
+
+ helper_reset (env, read);
+ helper_reset (env, write);
+ helper_reset (env, except);
+
+ return 0;
+ }
+
+ if (result < 0)
+ {
+ if( strerror_r(errno, message_buf, BUF_SIZE) )
+ {
+ /* This would mean that message_buf was to small
+ * to hold the error message.
+ */
+ JCL_ThrowException(env, "java/lang/InternalError",
+ "Not enough space in message buffer.");
+ return 0;
+ }
+
+ JCL_ThrowException (env, "java/io/IOException", message_buf);
+ return 0;
+ }
+
+ /* Set the file descriptors according to the values returned from select(). */
+ helper_get_filedescriptors (env, read, &read_fds);
+ helper_get_filedescriptors (env, write, &write_fds);
+ helper_get_filedescriptors (env, except, &except_fds);
+
+ return result;
+}
+
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