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authorLennart Poettering <lennart@poettering.net>2013-11-22 14:30:52 +0100
committerLennart Poettering <lennart@poettering.net>2013-11-22 16:31:40 +0100
commitbaabc5776475f7313cdaa5f3bdb45c1c5d053f91 (patch)
treebee2f4582c1ae6e75c9d6e287bab17e69d3a1821 /src/shared/initreq.h
parent254ed85a8c6ff182133a9843125e541929ba8197 (diff)
build-sys: move more files from core/ to share/ that are generic enough
Diffstat (limited to 'src/shared/initreq.h')
-rw-r--r--src/shared/initreq.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/shared/initreq.h b/src/shared/initreq.h
new file mode 100644
index 0000000000..710037d84b
--- /dev/null
+++ b/src/shared/initreq.h
@@ -0,0 +1,77 @@
+/*
+ * initreq.h Interface to talk to init through /dev/initctl.
+ *
+ * Copyright (C) 1995-2004 Miquel van Smoorenburg
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * Version: @(#)initreq.h 1.28 31-Mar-2004 MvS
+ *
+ */
+#ifndef _INITREQ_H
+#define _INITREQ_H
+
+#include <sys/param.h>
+
+#if defined(__FreeBSD_kernel__)
+# define INIT_FIFO "/etc/.initctl"
+#else
+# define INIT_FIFO "/dev/initctl"
+#endif
+
+#define INIT_MAGIC 0x03091969
+#define INIT_CMD_START 0
+#define INIT_CMD_RUNLVL 1
+#define INIT_CMD_POWERFAIL 2
+#define INIT_CMD_POWERFAILNOW 3
+#define INIT_CMD_POWEROK 4
+#define INIT_CMD_BSD 5
+#define INIT_CMD_SETENV 6
+#define INIT_CMD_UNSETENV 7
+
+#define INIT_CMD_CHANGECONS 12345
+
+#ifdef MAXHOSTNAMELEN
+# define INITRQ_HLEN MAXHOSTNAMELEN
+#else
+# define INITRQ_HLEN 64
+#endif
+
+/*
+ * This is what BSD 4.4 uses when talking to init.
+ * Linux doesn't use this right now.
+ */
+struct init_request_bsd {
+ char gen_id[8]; /* Beats me.. telnetd uses "fe" */
+ char tty_id[16]; /* Tty name minus /dev/tty */
+ char host[INITRQ_HLEN]; /* Hostname */
+ char term_type[16]; /* Terminal type */
+ int signal; /* Signal to send */
+ int pid; /* Process to send to */
+ char exec_name[128]; /* Program to execute */
+ char reserved[128]; /* For future expansion. */
+};
+
+
+/*
+ * Because of legacy interfaces, "runlevel" and "sleeptime"
+ * aren't in a separate struct in the union.
+ *
+ * The weird sizes are because init expects the whole
+ * struct to be 384 bytes.
+ */
+struct init_request {
+ int magic; /* Magic number */
+ int cmd; /* What kind of request */
+ int runlevel; /* Runlevel to change to */
+ int sleeptime; /* Time between TERM and KILL */
+ union {
+ struct init_request_bsd bsd;
+ char data[368];
+ } i;
+};
+
+#endif