WebSVN – HelenOS – Blame – /trunk/uspace/app/init/init.c

Rev	Author	Line No.	Line
447	decky	1	/*
2071	jermar	2	* Copyright (c) 2005 Martin Decky
447	decky	3	* All rights reserved.
		4	*
		5	* Redistribution and use in source and binary forms, with or without
		6	* modification, are permitted provided that the following conditions
		7	* are met:
		8	*
		9	* - Redistributions of source code must retain the above copyright
		10	* notice, this list of conditions and the following disclaimer.
		11	* - Redistributions in binary form must reproduce the above copyright
		12	* notice, this list of conditions and the following disclaimer in the
		13	* documentation and/or other materials provided with the distribution.
		14	* - The name of the author may not be used to endorse or promote products
		15	* derived from this software without specific prior written permission.
		16	*
		17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
		18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
		19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
		23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
		24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
		25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
		26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*/
		28
1653	cejka	29	/** @addtogroup init Init
3998	decky	30	* @brief Init process for user space environment configuration.
1653	cejka	31	* @{
3998	decky	32	*/
1653	cejka	33	/**
		34	* @file
		35	*/
		36
3089	decky	37	#include <stdio.h>
		38	#include <unistd.h>
3998	decky	39	#include <ipc/ipc.h>
3089	decky	40	#include <vfs/vfs.h>
		41	#include <bool.h>
		42	#include <errno.h>
		43	#include <fcntl.h>
		44	#include <task.h>
		45	#include <malloc.h>
3998	decky	46	#include <macros.h>
4305	jermar	47	#include <string.h>
4485	decky	48	#include <devmap.h>
3089	decky	49	#include "init.h"
999	palkovsky	50
4485	decky	51	static void info_print(void)
3089	decky	52	{
4485	decky	53	printf(NAME ": HelenOS init\n");
		54	}
		55
		56	static bool mount_root(const char *fstype)
		57	{
3089	decky	58	int rc = -1;
4305	jermar	59	char *opts = "";
4536	svoboda	60	const char *root_dev = "initrd";
3089	decky	61
4305	jermar	62	if (str_cmp(fstype, "tmpfs") == 0)
		63	opts = "restore";
		64
3089	decky	65	while (rc < 0) {
4536	svoboda	66	rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
3998	decky	67
3089	decky	68	switch (rc) {
		69	case EOK:
4536	svoboda	70	printf(NAME ": Root filesystem mounted, %s at %s\n",
		71	fstype, root_dev);
3089	decky	72	break;
		73	case EBUSY:
		74	printf(NAME ": Root filesystem already mounted\n");
		75	break;
		76	case ELIMIT:
		77	printf(NAME ": Unable to mount root filesystem\n");
		78	return false;
3256	jermar	79	case ENOENT:
		80	printf(NAME ": Unknown filesystem type (%s)\n", fstype);
		81	return false;
3089	decky	82	}
		83	}
		84
		85	return true;
1465	cejka	86	}
		87
4417	decky	88	static bool mount_devfs(void)
		89	{
		90	int rc = -1;
		91
		92	while (rc < 0) {
		93	rc = mount("devfs", "/dev", "null", "", IPC_FLAG_BLOCKING);
		94
		95	switch (rc) {
		96	case EOK:
		97	printf(NAME ": Device filesystem mounted\n");
		98	break;
		99	case EBUSY:
		100	printf(NAME ": Device filesystem already mounted\n");
		101	break;
		102	case ELIMIT:
		103	printf(NAME ": Unable to mount device filesystem\n");
		104	return false;
		105	case ENOENT:
		106	printf(NAME ": Unknown filesystem type (devfs)\n");
		107	return false;
		108	}
		109	}
		110
		111	return true;
		112	}
		113
3089	decky	114	static void spawn(char *fname)
		115	{
3222	svoboda	116	char *argv[2];
3998	decky	117
3089	decky	118	printf(NAME ": Spawning %s\n", fname);
3998	decky	119
3222	svoboda	120	argv[0] = fname;
		121	argv[1] = NULL;
3998	decky	122
4317	decky	123	if (!task_spawn(fname, argv))
3998	decky	124	printf(NAME ": Error spawning %s\n", fname);
3089	decky	125	}
		126
4485	decky	127	static void getvc(char dev, char app)
		128	{
		129	char *argv[4];
		130	char vc[MAX_DEVICE_NAME];
		131
		132	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
		133
		134	printf(NAME ": Spawning getvc on %s\n", vc);
		135
		136	dev_handle_t handle;
		137	devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
		138
		139	if (handle >= 0) {
		140	argv[0] = "/app/getvc";
		141	argv[1] = vc;
		142	argv[2] = app;
		143	argv[3] = NULL;
		144
		145	if (!task_spawn("/app/getvc", argv))
		146	printf(NAME ": Error spawning getvc on %s\n", vc);
		147	} else
		148	printf(NAME ": Error waiting on %s\n", vc);
		149	}
		150
447	decky	151	int main(int argc, char *argv[])
		152	{
3089	decky	153	info_print();
		154
4485	decky	155	if (!mount_root(STRING(RDFMT))) {
3089	decky	156	printf(NAME ": Exiting\n");
		157	return -1;
		158	}
		159
4417	decky	160	spawn("/srv/devfs");
		161
		162	if (!mount_devfs()) {
		163	return(NAME ": Exiting\n");
		164	return -2;
		165	}
		166
3410	svoboda	167	spawn("/srv/fb");
		168	spawn("/srv/kbd");
		169	spawn("/srv/console");
3969	jermar	170	spawn("/srv/fhc");
3979	jermar	171	spawn("/srv/obio");
3089	decky	172
4485	decky	173	getvc("vc0", "/app/bdsh");
		174	getvc("vc1", "/app/bdsh");
		175	getvc("vc2", "/app/bdsh");
		176	getvc("vc3", "/app/bdsh");
		177	getvc("vc4", "/app/bdsh");
		178	getvc("vc5", "/app/bdsh");
		179	getvc("vc6", "/app/klog");
1465	cejka	180
447	decky	181	return 0;
		182	}
1653	cejka	183
		184	/** @}
		185	*/

Subversion Repositories HelenOS

(root)/trunk/uspace/app/init/init.c @ 4662 – Rev 4536