Relocate source files to an src/ subdirectory

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/sm.h

@@ -0,0 +1,58 @@
+/* Finit state machine
+ *
+ * Copyright (c) 2016  Jonas Johansson <jonas.johansson@westermo.se>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef FINIT_SM_H_
+#define FINIT_SM_H_
+
+typedef enum {
+	SM_BOOTSTRAP_STATE = 0,   /* Init state, bootstrap services */
+	SM_RUNNING_STATE,         /* Normal state, services running */
+	SM_RUNLEVEL_CHANGE_STATE, /* A runlevel change has occured */
+	SM_RUNLEVEL_WAIT_STATE,   /* Waiting for all stopped runlevel processes to be halted */
+	SM_RELOAD_CHANGE_STATE,   /* A reload event has occured */
+	SM_RELOAD_WAIT_STATE,     /* Waiting for all stopped reload processes to be halted */
+} sm_state_t;
+
+typedef struct sm {
+	sm_state_t state;         /* Running, Changed, Waiting, ... */
+	int newlevel;             /* Set on runlevel change to new runlevel, -1 if not change */
+	int reload;               /* Set on reload event, else 0  */
+	int in_teardown;          /* Set when waiting for all processes to be halted */
+} sm_t;
+
+extern sm_t  sm;
+
+void sm_init(sm_t *sm);
+void sm_step(sm_t *sm);
+void sm_set_runlevel(sm_t *sm, int newlevel);
+void sm_set_reload(sm_t *sm);
+int  sm_is_in_teardown(sm_t *sm);
+
+#endif	/* FINIT_SM_H_ */
+
+/**
+ * Local Variables:
+ *  indent-tabs-mode: t
+ *  c-file-style: "linux"
+ * End:
+ */