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


/*
 * Copyright (c) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup init Init
 * @brief Init process for user space environment configuration.
 * @{
 */
/**
 * @file
 */
 
#include <stdio.h>
#include <unistd.h>
#include <ipc/ipc.h>
#include <vfs/vfs.h>
#include <bool.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <task.h>
#include <malloc.h>
#include <macros.h>
#include <string.h>
#include <devmap.h>
#include "init.h"
 
static void info_print(void)
{
    printf(NAME ": HelenOS init\n");
}
 
static bool mount_root(const char *fstype)
{
    char *opts = "";
    const char *root_dev = "initrd";
   
    if (str_cmp(fstype, "tmpfs") == 0)
        opts = "restore";
   
    int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
   
    switch (rc) {
    case EOK:
        printf(NAME ": Root filesystem mounted, %s at %s\n",
            fstype, root_dev);
        break;
    case EBUSY:
        printf(NAME ": Root filesystem already mounted\n");
        return false;
    case ELIMIT:
        printf(NAME ": Unable to mount root filesystem\n");
        return false;
    case ENOENT:
        printf(NAME ": Unknown filesystem type (%s)\n", fstype);
        return false;
    default:
        printf(NAME ": Error mounting root filesystem (%d)\n", rc);
        return false;
    }
   
    return true;
}
 
static bool mount_devfs(void)
{
    char null[MAX_DEVICE_NAME];
    int null_id = devmap_null_create();
   
    if (null_id == -1) {
        printf(NAME ": Unable to create null device\n");
        return false;
    }
   
    snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
    int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
   
    switch (rc) {
    case EOK:
        printf(NAME ": Device filesystem mounted\n");
        break;
    case EBUSY:
        printf(NAME ": Device filesystem already mounted\n");
        devmap_null_destroy(null_id);
        return false;
    case ELIMIT:
        printf(NAME ": Unable to mount device filesystem\n");
        devmap_null_destroy(null_id);
        return false;
    case ENOENT:
        printf(NAME ": Unknown filesystem type (devfs)\n");
        devmap_null_destroy(null_id);
        return false;
    default:
        printf(NAME ": Error mounting device filesystem (%d)\n", rc);
        devmap_null_destroy(null_id);
        return false;
    }
   
    return true;
}
 
static void spawn(char *fname)
{
    char *argv[2];
    struct stat s;
   
    if (stat(fname, &s) == ENOENT)
        return;
   
    printf(NAME ": Spawning %s\n", fname);
   
    argv[0] = fname;
    argv[1] = NULL;
   
    if (!task_spawn(fname, argv))
        printf(NAME ": Error spawning %s\n", fname);
}
 
static void srv_start(char *fname)
{
    char *argv[2];
    task_id_t id;
    task_exit_t texit;
    int rc, retval;
    struct stat s;
   
    if (stat(fname, &s) == ENOENT)
        return;
   
    printf(NAME ": Starting %s\n", fname);
   
    argv[0] = fname;
    argv[1] = NULL;
   
    id = task_spawn(fname, argv);
    if (!id) {
        printf(NAME ": Error spawning %s\n", fname);
        return;
    }
 
    rc = task_wait(id, &texit, &retval);
    if (rc != EOK) {
        printf(NAME ": Error waiting for %s\n", fname);
        return;
    }
 
    if (texit != TASK_EXIT_NORMAL || retval != 0) {
        printf(NAME ": Server %s failed to start (returned %d)\n",
            fname, retval);
    }
}
 
static void getvc(char *dev, char *app)
{
    char *argv[4];
    char vc[MAX_DEVICE_NAME];
    int rc;
   
    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
   
    printf(NAME ": Spawning getvc on %s\n", vc);
   
    dev_handle_t handle;
    rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
   
    if (rc == EOK) {
        argv[0] = "/app/getvc";
        argv[1] = vc;
        argv[2] = app;
        argv[3] = NULL;
       
        if (!task_spawn("/app/getvc", argv))
            printf(NAME ": Error spawning getvc on %s\n", vc);
    } else {
        printf(NAME ": Error waiting on %s\n", vc);
    }
}
 
void mount_data(void)
{
    int rc;
 
    printf("Trying to mount disk0 on /data... ");
    fflush(stdout);
 
    rc = mount("fat", "/data", "disk0", "wtcache", 0);
    if (rc == EOK)
        printf("OK\n");
    else
        printf("Failed\n");
}
 
int main(int argc, char *argv[])
{
    info_print();
   
    if (!mount_root(STRING(RDFMT))) {
        printf(NAME ": Exiting\n");
        return -1;
    }
   
    spawn("/srv/devfs");
   
    if (!mount_devfs()) {
        printf(NAME ": Exiting\n");
        return -2;
    }
   
    spawn("/srv/fb");
    spawn("/srv/kbd");
    spawn("/srv/console");
    spawn("/srv/fhc");
    spawn("/srv/obio");
 
    /*
     * Start these synchronously so that mount_data() can be
     * non-blocking.
     */
    srv_start("/srv/ata_bd");
    srv_start("/srv/gxe_bd");
   
    mount_data();
   
    getvc("vc0", "/app/bdsh");
    getvc("vc1", "/app/bdsh");
    getvc("vc2", "/app/bdsh");
    getvc("vc3", "/app/bdsh");
    getvc("vc4", "/app/bdsh");
    getvc("vc5", "/app/bdsh");
    getvc("vc6", "/app/klog");
   
    return 0;
}
 
/** @}
 */
 

Rev 4621	Rev 4622
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup init Init	29	/** @addtogroup init Init
30	* @brief Init process for user space environment configuration.	30	* @brief Init process for user space environment configuration.
31	* @{	31	* @{
32	*/	32	*/
33	/**	33	/**
34	* @file	34	* @file
35	*/	35	*/
36		36
37	#include <stdio.h>	37	#include <stdio.h>
38	#include <unistd.h>	38	#include <unistd.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <vfs/vfs.h>	40	#include <vfs/vfs.h>
41	#include <bool.h>	41	#include <bool.h>
42	#include <errno.h>	42	#include <errno.h>
43	#include <fcntl.h>	43	#include <fcntl.h>
-		44	#include <sys/stat.h>
44	#include <task.h>	45	#include <task.h>
45	#include <malloc.h>	46	#include <malloc.h>
46	#include <macros.h>	47	#include <macros.h>
47	#include <string.h>	48	#include <string.h>
48	#include <devmap.h>	49	#include <devmap.h>
49	#include "init.h"	50	#include "init.h"
50		51
51	static void info_print(void)	52	static void info_print(void)
52	{	53	{
53	printf(NAME ": HelenOS init\n");	54	printf(NAME ": HelenOS init\n");
54	}	55	}
55		56
56	static bool mount_root(const char *fstype)	57	static bool mount_root(const char *fstype)
57	{	58	{
58	char *opts = "";	59	char *opts = "";
59	const char *root_dev = "initrd";	60	const char *root_dev = "initrd";
60		61
61	if (str_cmp(fstype, "tmpfs") == 0)	62	if (str_cmp(fstype, "tmpfs") == 0)
62	opts = "restore";	63	opts = "restore";
63		64
64	int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);	65	int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
65		66
66	switch (rc) {	67	switch (rc) {
67	case EOK:	68	case EOK:
68	printf(NAME ": Root filesystem mounted, %s at %s\n",	69	printf(NAME ": Root filesystem mounted, %s at %s\n",
69	fstype, root_dev);	70	fstype, root_dev);
70	break;	71	break;
71	case EBUSY:	72	case EBUSY:
72	printf(NAME ": Root filesystem already mounted\n");	73	printf(NAME ": Root filesystem already mounted\n");
73	return false;	74	return false;
74	case ELIMIT:	75	case ELIMIT:
75	printf(NAME ": Unable to mount root filesystem\n");	76	printf(NAME ": Unable to mount root filesystem\n");
76	return false;	77	return false;
77	case ENOENT:	78	case ENOENT:
78	printf(NAME ": Unknown filesystem type (%s)\n", fstype);	79	printf(NAME ": Unknown filesystem type (%s)\n", fstype);
79	return false;	80	return false;
80	default:	81	default:
81	printf(NAME ": Error mounting root filesystem (%d)\n", rc);	82	printf(NAME ": Error mounting root filesystem (%d)\n", rc);
82	return false;	83	return false;
83	}	84	}
84		85
85	return true;	86	return true;
86	}	87	}
87		88
88	static bool mount_devfs(void)	89	static bool mount_devfs(void)
89	{	90	{
90	char null[MAX_DEVICE_NAME];	91	char null[MAX_DEVICE_NAME];
91	int null_id = devmap_null_create();	92	int null_id = devmap_null_create();
92		93
93	if (null_id == -1) {	94	if (null_id == -1) {
94	printf(NAME ": Unable to create null device\n");	95	printf(NAME ": Unable to create null device\n");
95	return false;	96	return false;
96	}	97	}
97		98
98	snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);	99	snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
99	int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);	100	int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
100		101
101	switch (rc) {	102	switch (rc) {
102	case EOK:	103	case EOK:
103	printf(NAME ": Device filesystem mounted\n");	104	printf(NAME ": Device filesystem mounted\n");
104	break;	105	break;
105	case EBUSY:	106	case EBUSY:
106	printf(NAME ": Device filesystem already mounted\n");	107	printf(NAME ": Device filesystem already mounted\n");
107	devmap_null_destroy(null_id);	108	devmap_null_destroy(null_id);
108	return false;	109	return false;
109	case ELIMIT:	110	case ELIMIT:
110	printf(NAME ": Unable to mount device filesystem\n");	111	printf(NAME ": Unable to mount device filesystem\n");
111	devmap_null_destroy(null_id);	112	devmap_null_destroy(null_id);
112	return false;	113	return false;
113	case ENOENT:	114	case ENOENT:
114	printf(NAME ": Unknown filesystem type (devfs)\n");	115	printf(NAME ": Unknown filesystem type (devfs)\n");
115	devmap_null_destroy(null_id);	116	devmap_null_destroy(null_id);
116	return false;	117	return false;
117	default:	118	default:
118	printf(NAME ": Error mounting device filesystem (%d)\n", rc);	119	printf(NAME ": Error mounting device filesystem (%d)\n", rc);
119	devmap_null_destroy(null_id);	120	devmap_null_destroy(null_id);
120	return false;	121	return false;
121	}	122	}
122		123
123	return true;	124	return true;
124	}	125	}
125		126
126	static void spawn(char *fname)	127	static void spawn(char *fname)
127	{	128	{
128	char *argv[2];	129	char *argv[2];
-		130	struct stat s;
-		131
-		132	if (stat(fname, &s) == ENOENT)
-		133	return;
129		134
130	printf(NAME ": Spawning %s\n", fname);	135	printf(NAME ": Spawning %s\n", fname);
131		136
132	argv[0] = fname;	137	argv[0] = fname;
133	argv[1] = NULL;	138	argv[1] = NULL;
134		139
135	if (!task_spawn(fname, argv))	140	if (!task_spawn(fname, argv))
136	printf(NAME ": Error spawning %s\n", fname);	141	printf(NAME ": Error spawning %s\n", fname);
137	}	142	}
138		143
139	static void srv_start(char *fname)	144	static void srv_start(char *fname)
140	{	145	{
141	char *argv[2];	146	char *argv[2];
142	task_id_t id;	147	task_id_t id;
143	task_exit_t texit;	148	task_exit_t texit;
144	int rc, retval;	149	int rc, retval;
-		150	struct stat s;
-		151
-		152	if (stat(fname, &s) == ENOENT)
-		153	return;
145		154
146	printf(NAME ": Starting %s\n", fname);	155	printf(NAME ": Starting %s\n", fname);
147		156
148	argv[0] = fname;	157	argv[0] = fname;
149	argv[1] = NULL;	158	argv[1] = NULL;
150		159
151	id = task_spawn(fname, argv);	160	id = task_spawn(fname, argv);
152	if (!id) {	161	if (!id) {
153	printf(NAME ": Error spawning %s\n", fname);	162	printf(NAME ": Error spawning %s\n", fname);
154	return;	163	return;
155	}	164	}
156		165
157	rc = task_wait(id, &texit, &retval);	166	rc = task_wait(id, &texit, &retval);
158	if (rc != EOK) {	167	if (rc != EOK) {
159	printf(NAME ": Error waiting for %s\n", fname);	168	printf(NAME ": Error waiting for %s\n", fname);
160	return;	169	return;
161	}	170	}
162		171
163	if (texit != TASK_EXIT_NORMAL \|\| retval != 0) {	172	if (texit != TASK_EXIT_NORMAL \|\| retval != 0) {
164	printf(NAME ": Server %s failed to start (returned %d)\n",	173	printf(NAME ": Server %s failed to start (returned %d)\n",
165	fname, retval);	174	fname, retval);
166	}	175	}
167	}	176	}
168		177
169	static void getvc(char dev, char app)	178	static void getvc(char dev, char app)
170	{	179	{
171	char *argv[4];	180	char *argv[4];
172	char vc[MAX_DEVICE_NAME];	181	char vc[MAX_DEVICE_NAME];
173	int rc;	182	int rc;
174		183
175	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);	184	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
176		185
177	printf(NAME ": Spawning getvc on %s\n", vc);	186	printf(NAME ": Spawning getvc on %s\n", vc);
178		187
179	dev_handle_t handle;	188	dev_handle_t handle;
180	rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);	189	rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
181		190
182	if (rc == EOK) {	191	if (rc == EOK) {
183	argv[0] = "/app/getvc";	192	argv[0] = "/app/getvc";
184	argv[1] = vc;	193	argv[1] = vc;
185	argv[2] = app;	194	argv[2] = app;
186	argv[3] = NULL;	195	argv[3] = NULL;
187		196
188	if (!task_spawn("/app/getvc", argv))	197	if (!task_spawn("/app/getvc", argv))
189	printf(NAME ": Error spawning getvc on %s\n", vc);	198	printf(NAME ": Error spawning getvc on %s\n", vc);
190	} else {	199	} else {
191	printf(NAME ": Error waiting on %s\n", vc);	200	printf(NAME ": Error waiting on %s\n", vc);
192	}	201	}
193	}	202	}
194		203
195	void mount_data(void)	204	void mount_data(void)
196	{	205	{
197	int rc;	206	int rc;
198		207
199	printf("Trying to mount disk0 on /data... ");	208	printf("Trying to mount disk0 on /data... ");
200	fflush(stdout);	209	fflush(stdout);
201		210
202	rc = mount("fat", "/data", "disk0", "wtcache", 0);	211	rc = mount("fat", "/data", "disk0", "wtcache", 0);
203	if (rc == EOK)	212	if (rc == EOK)
204	printf("OK\n");	213	printf("OK\n");
205	else	214	else
206	printf("Failed\n");	215	printf("Failed\n");
207	}	216	}
208		217
209	int main(int argc, char *argv[])	218	int main(int argc, char *argv[])
210	{	219	{
211	info_print();	220	info_print();
212		221
213	if (!mount_root(STRING(RDFMT))) {	222	if (!mount_root(STRING(RDFMT))) {
214	printf(NAME ": Exiting\n");	223	printf(NAME ": Exiting\n");
215	return -1;	224	return -1;
216	}	225	}
217		226
218	spawn("/srv/devfs");	227	spawn("/srv/devfs");
219		228
220	if (!mount_devfs()) {	229	if (!mount_devfs()) {
221	printf(NAME ": Exiting\n");	230	printf(NAME ": Exiting\n");
222	return -2;	231	return -2;
223	}	232	}
224		233
225	spawn("/srv/fb");	234	spawn("/srv/fb");
226	spawn("/srv/kbd");	235	spawn("/srv/kbd");
227	spawn("/srv/console");	236	spawn("/srv/console");
228	spawn("/srv/fhc");	237	spawn("/srv/fhc");
229	spawn("/srv/obio");	238	spawn("/srv/obio");
230		239
231	/*	240	/*
232	* Start these synchronously so that mount_data() can be	241	* Start these synchronously so that mount_data() can be
233	* non-blocking.	242	* non-blocking.
234	*/	243	*/
235	srv_start("/srv/ata_bd");	244	srv_start("/srv/ata_bd");
236	srv_start("/srv/gxe_bd");	245	srv_start("/srv/gxe_bd");
237		246
238	mount_data();	247	mount_data();
239		248
240	getvc("vc0", "/app/bdsh");	249	getvc("vc0", "/app/bdsh");
241	getvc("vc1", "/app/bdsh");	250	getvc("vc1", "/app/bdsh");
242	getvc("vc2", "/app/bdsh");	251	getvc("vc2", "/app/bdsh");
243	getvc("vc3", "/app/bdsh");	252	getvc("vc3", "/app/bdsh");
244	getvc("vc4", "/app/bdsh");	253	getvc("vc4", "/app/bdsh");
245	getvc("vc5", "/app/bdsh");	254	getvc("vc5", "/app/bdsh");
246	getvc("vc6", "/app/klog");	255	getvc("vc6", "/app/klog");
247		256
248	return 0;	257	return 0;
249	}	258	}
250		259
251	/** @}	260	/** @}
252	*/	261	*/
253		262

Subversion Repositories HelenOS

(root)/trunk/uspace/app/init/init.c @ 4662 – Rev 4621 → 4622