1 files changed, 158 insertions, 0 deletions

diff --git a/src/include/gnunet_os_lib.h b/src/include/gnunet_os_lib.h
new file mode 100644
index 000000000..dfab4a747
--- /dev/null
+++ b/src/include/gnunet_os_lib.h
@@ -0,0 +1,158 @@
+/*
+     This file is part of GNUnet.
+     (C) 2001, 2002, 2003, 2004, 2005, 2006 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file include/gnunet_os_lib.h
+ * @brief low level process routines
+ * @author Christian Grothoff
+ * @author Krista Bennett
+ * @author Gerd Knorr <kraxel@bytesex.org>
+ * @author Ioana Patrascu
+ * @author Tzvetan Horozov
+ * @author Milan
+ */
+
+#ifndef GNUNET_OS_LIB_H
+#define GNUNET_OS_LIB_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+#include "gnunet_common.h"
+#include "gnunet_configuration_lib.h"
+#include "gnunet_scheduler_lib.h"
+
+
+/**
+ * Possible installation paths to request
+ */
+enum GNUNET_OS_InstallationPathKind
+{
+  GNUNET_OS_IPK_PREFIX,
+  GNUNET_OS_IPK_BINDIR,
+  GNUNET_OS_IPK_LIBDIR,
+  GNUNET_OS_IPK_DATADIR,
+  GNUNET_OS_IPK_LOCALEDIR,
+  GNUNET_OS_IPK_SELF_PREFIX
+};
+
+
+/**
+ * Get the path to a specific GNUnet installation directory or, with
+ * GNUNET_OS_IPK_SELF_PREFIX, the current running apps installation
+ * directory.
+ *
+ * @param dirkind what kind of directory is desired?
+ * @return a pointer to the dir path (to be freed by the caller)
+ */
+char *GNUNET_OS_installation_get_path (enum GNUNET_OS_InstallationPathKind
+                                       dirkind);
+
+
+/**
+ * Callback function invoked for each interface found.
+ *
+ * @param cls closure
+ * @param name name of the interface (can be NULL for unknown)
+ * @param isDefault is this presumably the default interface
+ * @param addr address of this interface (can be NULL for unknown or unassigned)
+ * @param addrlen length of the address
+ * @return GNUNET_OK to continue iteration, GNUNET_SYSERR to abort
+ */
+typedef int (*GNUNET_OS_NetworkInterfaceProcessor) (void *cls,
+                                                    const char *name,
+                                                    int isDefault,
+                                                    const struct sockaddr *
+                                                    addr, socklen_t addrlen);
+
+
+/**
+ * @brief Enumerate all network interfaces
+ * @param callback the callback function
+ */
+void GNUNET_OS_network_interfaces_list (GNUNET_OS_NetworkInterfaceProcessor
+                                        proc, void *cls);
+
+/**
+ * Get the current CPU load.
+ *
+ * @param cfg to determine acceptable load level (LOAD::MAXCPULOAD)
+ * @return -1 on error, otherwise load value (between 0 and 100,
+ *        (100 is equivalent to full load for one CPU)
+ */
+int GNUNET_OS_load_cpu_get (struct GNUNET_CONFIGURATION_Handle *cfg);
+
+/**
+ * Get the current IO load.
+ *
+ * @param cfg to determine acceptable load level (LOAD::MAXIOLOAD)
+ * @return -1 on error, otherwise load value (between 0 and 100,
+ *       100 means that we spend all of our cycles waiting for
+ *       the disk)
+ */
+int GNUNET_OS_load_disk_get (struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Set process priority
+ *
+ * @param proc id of the process
+ * @param prio priority value
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
+int GNUNET_OS_set_process_priority (pid_t proc,
+                                    enum GNUNET_SCHEDULER_Priority prio);
+
+
+/**
+ * Start a process.
+ *
+ * @param filename name of the binary
+ * @param ... NULL-terminated list of arguments to the process
+ * @return process ID of the new process, -1 on error
+ */
+pid_t GNUNET_OS_start_process (const char *filename, ...);
+
+/**
+ * Start a process.
+ *
+ * @param filename name of the binary
+ * @param argv NULL-terminated list of arguments to the process,
+ *             including the process name as the first argument
+ * @return process ID of the new process, -1 on error
+ */
+pid_t GNUNET_OS_start_process_v (const char *filename, char *const argv[]);
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+
+/* ifndef GNUNET_OS_LIB_H */
+#endif
+/* end of gnunet_os_lib.h */