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-rw-r--r--initd/init.h96
-rw-r--r--initd/main.c17
-rw-r--r--initd/mksock.c17
-rw-r--r--initd/runlst.c17
-rw-r--r--initd/setup_tty.c17
-rw-r--r--initd/shutdown.c17
-rw-r--r--initd/status.c17
-rw-r--r--initd/svclist.c17
8 files changed, 215 insertions, 0 deletions
diff --git a/initd/init.h b/initd/init.h
index 0bfed6c..dee0b00 100644
--- a/initd/init.h
+++ b/initd/init.h
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#ifndef INIT_H
#define INIT_H
@@ -14,22 +31,101 @@ enum {
STATUS_WAIT,
};
+/********** runlst.c **********/
+
+/*
+ Plow through an array of strings and execute each one, i.e. do
+ a fork() and exec().
+
+ In the parent process, wait() until the child is done before
+ continuing through the list.
+
+ If ctty is not NULL, open it and redirect all I/O of the child
+ process to that file.
+
+ If everyhing works, the function returns EXIT_SUCCESS. If one child
+ does not exit with EXIT_SUCCESS, processing of the list is aborted
+ and the function returns the exit status of the failed process.
+*/
int runlst_wait(char **exec, size_t num, const char *ctty);
+/*
+ Does basically the same as runlst_wait, but asynchronously.
+
+ A child process is created that calls runlst_wait exits with the
+ result of runlst_wait. In the parent process, the function returns
+ immediately with the PID of the child process.
+
+ Alternatively, if num is 1, the child process directly exec()s the
+ given command.
+*/
pid_t runlst(char **exec, size_t num, const char *ctty);
+/********** setup_tty.c **********/
+
+/*
+ Initial tty setup for init. Makes /dev/console our controlling tty and
+ reroutes all output there. Closes stdin because we presumably won't
+ need it anymore.
+
+ Returns 0 on success, -1 on failure. The function takes care of
+ printing error messages on failure.
+*/
int setup_tty(void);
+/********** status.c **********/
+
+/*
+ Print a status message. Type is either STATUS_OK, STATUS_FAIL or
+ STATUS_WAIT.
+
+ A new-line is appended to the mssage, UNLESS type is STATUS_WAIT.
+
+ If update is true, print a carriage return first to overwrite the
+ current line (e.g. after a STATUS_WAIT message).
+*/
void print_status(const char *msg, int type, bool update);
+/********** mksock.c **********/
+
+/*
+ Create a UNIX socket that programs can use to pass messages to init.
+
+ Returns the socked fd or -1 on failure. The function takes care of
+ printing error messages on failure.
+
+ The socket has the CLOEXEC flag set.
+*/
int mksock(void);
+/********** shutdown.c **********/
+
+/*
+ Kindly tell all processes to go kill themselves, then send
+ a SIGKILL if they don't and perform system shutdown.
+
+ The argument is passed directly to the reboot() syscall.
+*/
NORETURN void do_shutdown(int type);
+/********** svclist.c **********/
+
+/*
+ Returns true if the list of running services contains
+ single shot processes.
+*/
bool svclist_have_singleshot(void);
+/* Add a service to the list of running services */
void svclist_add(service_t *svc);
+/*
+ Remove a service, identifierd by PID, from the list of
+ running services.
+
+ Returns the service identified by the PID or NULL if there
+ is no such service.
+*/
service_t *svclist_remove(pid_t pid);
#endif /* INIT_H */
diff --git a/initd/main.c b/initd/main.c
index 211188e..be9fc0d 100644
--- a/initd/main.c
+++ b/initd/main.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/socket.h>
diff --git a/initd/mksock.c b/initd/mksock.c
index ab26e51..6a9cab0 100644
--- a/initd/mksock.c
+++ b/initd/mksock.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
diff --git a/initd/runlst.c b/initd/runlst.c
index cf75126..908ec15 100644
--- a/initd/runlst.c
+++ b/initd/runlst.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
diff --git a/initd/setup_tty.c b/initd/setup_tty.c
index cec663b..807b69d 100644
--- a/initd/setup_tty.c
+++ b/initd/setup_tty.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
diff --git a/initd/shutdown.c b/initd/shutdown.c
index 45af1c2..1ee68c2 100644
--- a/initd/shutdown.c
+++ b/initd/shutdown.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
diff --git a/initd/status.c b/initd/status.c
index 280670b..67b049b 100644
--- a/initd/status.c
+++ b/initd/status.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include <stdio.h>
#include "init.h"
diff --git a/initd/svclist.c b/initd/svclist.c
index 590091e..4ed897f 100644
--- a/initd/svclist.c
+++ b/initd/svclist.c
@@ -1,3 +1,20 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * Copyright (C) 2018 - David Oberhollenzer
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
#include "init.h"
static service_t *running = NULL; /* currently supervised services */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 23:04:42 +0000