Continue restructure

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/kernel.h b/src/kernel.h
new file mode 100644
index 0000000..2cc0430
--- /dev/null
+++ b/src/kernel.h
@@ -0,0 +1,85 @@
+/**
+ * coopgammad -- Cooperative gamma server
+ * Copyright (C) 2016  Mattias Andrée (maandree@kth.se)
+ * 
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef KERNEL_H
+#define KERNEL_H
+
+
+#ifndef GCC_ONLY
+# if defined(__GNUC__) && !defined(__clang__)
+#  define GCC_ONLY(...)  __VA_ARGS__
+# else
+#  define GCC_ONLY(...)  /* nothing */
+# endif
+#endif
+
+
+
+/**
+ * Get the pathname of the socket
+ * 
+ * @return  The pathname of the socket, `NULL` on error
+ */
+GCC_ONLY(__attribute__((malloc)))
+char* get_socket_pathname(void);
+
+/**
+ * Get the pathname of the PID file
+ * 
+ * @return  The pathname of the PID file, `NULL` on error
+ */
+GCC_ONLY(__attribute__((malloc)))
+char* get_pidfile_pathname(void);
+
+/**
+ * Get the pathname of the state file
+ * 
+ * @return  The pathname of the state file, `NULL` on error
+ */
+GCC_ONLY(__attribute__((malloc)))
+char* get_state_pathname(void);
+
+/**
+ * Create PID file
+ * 
+ * @param   pidpath  The pathname of the PID file
+ * @return           Zero on success, -1 on error,
+ *                   -2 if the service is already running
+ */
+GCC_ONLY(__attribute__((nonnull)))
+int create_pidfile(char* pidpath);
+
+/**
+ * Create socket and start listening
+ * 
+ * @param   socketpath  The pathname of the socket
+ * @return              Zero on success, -1 on error
+ */
+GCC_ONLY(__attribute__((nonnull)))
+int create_socket(const char* socketpath);
+
+/**
+ * Close and unlink the socket
+ * 
+ * @param  socketpath  The pathname of the socket
+ */
+GCC_ONLY(__attribute__((nonnull)))
+void close_socket(const char* socketpath);
+
+
+#endif
+