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[oweals/gnunet.git] / src / include / gnunet_os_lib.h

diff --git a/src/include/gnunet_os_lib.h b/src/include/gnunet_os_lib.h
index 02d1063f7e1741fad5012d20bef66e3ac4bb2d1b..87d9a8fb1700a438f704b4360a50bee306c3b2bb 100644 (file)
--- a/src/include/gnunet_os_lib.h
+++ b/src/include/gnunet_os_lib.h
@@ -154,6 +154,18 @@ typedef int (*GNUNET_OS_NetworkInterfaceProcessor) (void *cls,
 void GNUNET_OS_network_interfaces_list (GNUNET_OS_NetworkInterfaceProcessor
                                         proc, void *proc_cls);
 
+/**
+ * @brief Get maximum string length returned by gethostname()
+ */
+#if HAVE_SYSCONF && defined(_SC_HOST_NAME_MAX)
+#define GNUNET_OS_get_hostname_max_length() ({ int __sc_tmp = sysconf(_SC_HOST_NAME_MAX); __sc_tmp <= 0 ? 255 : __sc_tmp; })
+#elif defined(HOST_NAME_MAX)
+#define GNUNET_OS_get_hostname_max_length() HOST_NAME_MAX
+#else
+#define GNUNET_OS_get_hostname_max_length() 255
+#endif
+
+
 /**
  * Get the current CPU load.
  *
@@ -196,18 +208,23 @@ int GNUNET_OS_set_process_priority (pid_t proc,
  * @return process ID of the new process, -1 on error
  */
 pid_t
-GNUNET_OS_start_process (struct GNUNET_DISK_PipeHandle *pipe_stdin, struct GNUNET_DISK_PipeHandle *pipe_stdout, const char *filename, ...);
+GNUNET_OS_start_process (struct GNUNET_DISK_PipeHandle *pipe_stdin, 
+                        struct GNUNET_DISK_PipeHandle *pipe_stdout, 
+                        const char *filename, ...);
 
 
 /**
  * Start a process.
  *
+ * @param lsocks array of listen sockets to dup systemd-style (or NULL);
+ *         must be NULL on platforms where dup is not supported
  * @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[]);
+pid_t GNUNET_OS_start_process_v (const int *lsocks,
+                                const char *filename, char *const argv[]);
 
 
 /**