WebSVN – HelenOS – Diff – /tags/0.3.0/uspace/lib/libc/generic/io/stream.c


/*
 * Copyright (c) 2006 Josef Cejka
 * Copyright (c) 2006 Jakub Vana
 * 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 libc
 * @{
 */
/** @file
 */
 
#include <io/io.h>
#include <io/stream.h>
#include <string.h>
#include <malloc.h>
#include <libc.h>
#include <ipc/ipc.h>
#include <ipc/ns.h>
#include <ipc/fb.h>
#include <ipc/services.h>
#include <console.h>
#include <unistd.h>
#include <async.h>
#include <sys/types.h>
 
static int console_phone = -1;
 
ssize_t write_stderr(const void *buf, size_t count)
{
    return count;
}
 
ssize_t read_stdin(void *buf, size_t count)
{
    ipcarg_t r0, r1;
    size_t i = 0;
 
    while (i < count) {
        if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0,
            &r1) < 0) {
            return -1;
        }
        ((char *) buf)[i++] = r0;
    }
    return i;
}
 
ssize_t write_stdout(const void *buf, size_t count)
{
    int i;
 
    for (i = 0; i < count; i++)
        async_msg_1(console_phone, CONSOLE_PUTCHAR,
            ((const char *) buf)[i]);
   
    return count;
}
 
void open_stdin(void)
{
    if (console_phone < 0) {
        while ((console_phone = ipc_connect_me_to(PHONE_NS,
            SERVICE_CONSOLE, 0, 0)) < 0) {
            usleep(10000);
        }
    }
}
 
void open_stdout(void)
{
    if (console_phone < 0) {
        while ((console_phone = ipc_connect_me_to(PHONE_NS,
            SERVICE_CONSOLE, 0, 0)) < 0) {
            usleep(10000);
        }
    }
}
 
int get_cons_phone(void)
{
    return console_phone;
}
 
/** @}
 */
 

Rev 2670	Rev 2782
1	/*	1	/*
2	* Copyright (c) 2006 Josef Cejka	2	* Copyright (c) 2006 Josef Cejka
3	* Copyright (c) 2006 Jakub Vana	3	* Copyright (c) 2006 Jakub Vana
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	/** @addtogroup libc	30	/** @addtogroup libc
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	#include <io/io.h>	36	#include <io/io.h>
37	#include <io/stream.h>	37	#include <io/stream.h>
38	#include <string.h>	38	#include <string.h>
39	#include <malloc.h>	39	#include <malloc.h>
40	#include <libc.h>	40	#include <libc.h>
41	#include <ipc/ipc.h>	41	#include <ipc/ipc.h>
42	#include <ipc/ns.h>	42	#include <ipc/ns.h>
43	#include <ipc/fb.h>	43	#include <ipc/fb.h>
44	#include <ipc/services.h>	44	#include <ipc/services.h>
45	#include <console.h>	45	#include <console.h>
46	#include <unistd.h>	46	#include <unistd.h>
47	#include <async.h>	47	#include <async.h>
48	#include <sys/types.h>	48	#include <sys/types.h>
49		49
50	static int console_phone = -1;	50	static int console_phone = -1;
51		51
52	ssize_t write_stderr(const void *buf, size_t count)	52	ssize_t write_stderr(const void *buf, size_t count)
53	{	53	{
54	return count;	54	return count;
55	}	55	}
56		56
57	ssize_t read_stdin(void *buf, size_t count)	57	ssize_t read_stdin(void *buf, size_t count)
58	{	58	{
59	ipcarg_t r0, r1;	59	ipcarg_t r0, r1;
60	size_t i = 0;	60	size_t i = 0;
61		61
62	while (i < count) {	62	while (i < count) {
63	if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0,	63	if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0,
64	&r1) < 0) {	64	&r1) < 0) {
65	return -1;	65	return -1;
66	}	66	}
67	((char *) buf)[i++] = r0;	67	((char *) buf)[i++] = r0;
68	}	68	}
69	return i;	69	return i;
70	}	70	}
71		71
72	ssize_t write_stdout(const void *buf, size_t count)	72	ssize_t write_stdout(const void *buf, size_t count)
73	{	73	{
74	int i;	74	int i;
75		75
76	for (i = 0; i < count; i++)	76	for (i = 0; i < count; i++)
77	async_msg_1(console_phone, CONSOLE_PUTCHAR,	77	async_msg_1(console_phone, CONSOLE_PUTCHAR,
78	((const char *) buf)[i]);	78	((const char *) buf)[i]);
79		79
80	return count;	80	return count;
81	}	81	}
82		82
83	void open_stdin(void)	83	void open_stdin(void)
84	{	84	{
85	if (console_phone < 0) {	85	if (console_phone < 0) {
86	while ((console_phone = ipc_connect_me_to(PHONE_NS,	86	while ((console_phone = ipc_connect_me_to(PHONE_NS,
87	SERVICE_CONSOLE, 0, 0)) < 0) {	87	SERVICE_CONSOLE, 0, 0)) < 0) {
88	usleep(10000);	88	usleep(10000);
89	}	89	}
90	}	90	}
91	}	91	}
92		92
93	void open_stdout(void)	93	void open_stdout(void)
94	{	94	{
95	if (console_phone < 0) {	95	if (console_phone < 0) {
96	while ((console_phone = ipc_connect_me_to(PHONE_NS,	96	while ((console_phone = ipc_connect_me_to(PHONE_NS,
97	SERVICE_CONSOLE, 0, 0)) < 0) {	97	SERVICE_CONSOLE, 0, 0)) < 0) {
98	usleep(10000);	98	usleep(10000);
99	}	99	}
100	}	100	}
101	}	101	}
102		102
103	int get_cons_phone(void)	103	int get_cons_phone(void)
104	{	104	{
105	return console_phone;	105	return console_phone;
106	}	106	}
107		107
108	/** @}	108	/** @}
109	*/	109	*/
110		110

Subversion Repositories HelenOS

(root)/tags/0.3.0/uspace/lib/libc/generic/io/stream.c – Rev 2670 → 2782