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 = "";
3089	decky	60
4305	jermar	61	if (str_cmp(fstype, "tmpfs") == 0)
		62	opts = "restore";
		63
3089	decky	64	while (rc < 0) {
4305	jermar	65	rc = mount(fstype, "/", "initrd", opts, IPC_FLAG_BLOCKING);
3998	decky	66
3089	decky	67	switch (rc) {
		68	case EOK:
		69	printf(NAME ": Root filesystem mounted\n");
		70	break;
		71	case EBUSY:
		72	printf(NAME ": Root filesystem already mounted\n");
		73	break;
		74	case ELIMIT:
		75	printf(NAME ": Unable to mount root filesystem\n");
		76	return false;
3256	jermar	77	case ENOENT:
		78	printf(NAME ": Unknown filesystem type (%s)\n", fstype);
		79	return false;
3089	decky	80	}
		81	}
		82
		83	return true;
1465	cejka	84	}
		85
4417	decky	86	static bool mount_devfs(void)
		87	{
		88	int rc = -1;
		89
		90	while (rc < 0) {
		91	rc = mount("devfs", "/dev", "null", "", IPC_FLAG_BLOCKING);
		92
		93	switch (rc) {
		94	case EOK:
		95	printf(NAME ": Device filesystem mounted\n");
		96	break;
		97	case EBUSY:
		98	printf(NAME ": Device filesystem already mounted\n");
		99	break;
		100	case ELIMIT:
		101	printf(NAME ": Unable to mount device filesystem\n");
		102	return false;
		103	case ENOENT:
		104	printf(NAME ": Unknown filesystem type (devfs)\n");
		105	return false;
		106	}
		107	}
		108
		109	return true;
		110	}
		111
3089	decky	112	static void spawn(char *fname)
		113	{
3222	svoboda	114	char *argv[2];
3998	decky	115
3089	decky	116	printf(NAME ": Spawning %s\n", fname);
3998	decky	117
3222	svoboda	118	argv[0] = fname;
		119	argv[1] = NULL;
3998	decky	120
4317	decky	121	if (!task_spawn(fname, argv))
3998	decky	122	printf(NAME ": Error spawning %s\n", fname);
3089	decky	123	}
		124
4485	decky	125	static void getvc(char dev, char app)
		126	{
		127	char *argv[4];
		128	char vc[MAX_DEVICE_NAME];
		129
		130	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
		131
		132	printf(NAME ": Spawning getvc on %s\n", vc);
		133
		134	dev_handle_t handle;
		135	devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
		136
		137	if (handle >= 0) {
		138	argv[0] = "/app/getvc";
		139	argv[1] = vc;
		140	argv[2] = app;
		141	argv[3] = NULL;
		142
		143	if (!task_spawn("/app/getvc", argv))
		144	printf(NAME ": Error spawning getvc on %s\n", vc);
		145	} else
		146	printf(NAME ": Error waiting on %s\n", vc);
		147	}
		148
447	decky	149	int main(int argc, char *argv[])
		150	{
3089	decky	151	info_print();
		152
4485	decky	153	if (!mount_root(STRING(RDFMT))) {
3089	decky	154	printf(NAME ": Exiting\n");
		155	return -1;
		156	}
		157
4417	decky	158	spawn("/srv/devfs");
		159
		160	if (!mount_devfs()) {
		161	return(NAME ": Exiting\n");
		162	return -2;
		163	}
		164
3410	svoboda	165	spawn("/srv/fb");
		166	spawn("/srv/kbd");
		167	spawn("/srv/console");
3969	jermar	168	spawn("/srv/fhc");
3979	jermar	169	spawn("/srv/obio");
3089	decky	170
4485	decky	171	getvc("vc0", "/app/bdsh");
		172	getvc("vc1", "/app/bdsh");
		173	getvc("vc2", "/app/bdsh");
		174	getvc("vc3", "/app/bdsh");
		175	getvc("vc4", "/app/bdsh");
		176	getvc("vc5", "/app/bdsh");
		177	getvc("vc6", "/app/klog");
1465	cejka	178
447	decky	179	return 0;
		180	}
1653	cejka	181
		182	/** @}
		183	*/

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(root)/trunk/uspace/app/init/init.c – Rev 4521