diff -up libjingle-0.6.10/talk/base/linuxfdwalk.c.fdwalk libjingle-0.6.10/talk/base/linuxfdwalk.c
--- libjingle-0.6.10/talk/base/linuxfdwalk.c.fdwalk	2012-02-13 22:27:40.573710020 -0500
+++ libjingle-0.6.10/talk/base/linuxfdwalk.c	2012-02-13 22:27:40.573710020 -0500
@@ -0,0 +1,98 @@
+/*
+ * libjingle
+ * Copyright 2004--2009, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "talk/base/linuxfdwalk.h"
+
+// Parses a file descriptor number in base 10, requiring the strict format used
+// in /proc/*/fd. Returns the value, or -1 if not a valid string.
+static int parse_fd(const char *s) {
+  if (!*s) {
+    // Empty string is invalid.
+    return -1;
+  }
+  int val = 0;
+  do {
+    if (*s < '0' || *s > '9') {
+      // Non-numeric characters anywhere are invalid.
+      return -1;
+    }
+    int digit = *s++ - '0';
+    val = val * 10 + digit;
+  } while (*s);
+  return val;
+}
+
+int fdwalk(void (*func)(void *, int), void *opaque) {
+  DIR *dir = opendir("/proc/self/fd");
+  if (!dir) {
+    return -1;
+  }
+  int opendirfd = dirfd(dir);
+  int parse_errors = 0;
+  struct dirent *ent;
+  // Have to clear errno to distinguish readdir() completion from failure.
+  while (errno = 0, (ent = readdir(dir)) != NULL) {
+    if (strcmp(ent->d_name, ".") == 0 ||
+        strcmp(ent->d_name, "..") == 0) {
+      continue;
+    }
+    // We avoid atoi or strtol because those are part of libc and they involve
+    // locale stuff, which is probably not safe from a post-fork context in a
+    // multi-threaded app.
+    int fd = parse_fd(ent->d_name);
+    if (fd < 0) {
+      parse_errors = 1;
+      continue;
+    }
+    if (fd != opendirfd) {
+      (*func)(opaque, fd);
+    }
+  }
+  int saved_errno = errno;
+  if (closedir(dir) < 0) {
+    if (!saved_errno) {
+      // Return the closedir error.
+      return -1;
+    }
+    // Else ignore it because we have a more relevant error to return.
+  }
+  if (saved_errno) {
+    errno = saved_errno;
+    return -1;
+  } else if (parse_errors) {
+    errno = EBADF;
+    return -1;
+  } else {
+    return 0;
+  }
+}
diff -up libjingle-0.6.10/talk/base/Makefile.am.fdwalk libjingle-0.6.10/talk/base/Makefile.am
--- libjingle-0.6.10/talk/base/Makefile.am.fdwalk	2012-02-13 22:28:41.816095350 -0500
+++ libjingle-0.6.10/talk/base/Makefile.am	2012-02-13 22:29:00.871904092 -0500
@@ -32,6 +32,7 @@ libjinglebase_la_SOURCES = asyncfile.cc
                             latebindingsymboltable.cc \
                             libdbusglibsymboltable.cc \
                             linux.cc \
+                            linuxfdwalk.c \
                             logging.cc \
                             md5c.c \
                             messagehandler.cc \