WebSVN – HelenOS – Diff – /branches/dynload/uspace/lib/libc/generic/libc.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 lc Libc
 * @brief   HelenOS C library
 * @{
 * @}
 */
/** @addtogroup libc generic
 * @ingroup lc
 * @{
 */
/** @file
 */
 
#include <libc.h>
#include <unistd.h>
#include <malloc.h>
#include <tls.h>
#include <thread.h>
#include <fibril.h>
#include <io/stream.h>
#include <ipc/ipc.h>
#include <async.h>
#include <as.h>
#include <loader/pcb.h>
 
/* From librtld. */
#include <rtld.h>
#include <string.h>
 
extern char _heap;
extern int main(int argc, char *argv[]);
 
int _errno;
 
void _exit(int status)
{
    thread_exit(status);
}
 
void __main(void *pcb_ptr)
{
    fibril_t *f;
    int argc;
    char **argv;
 
    (void) as_area_create(&_heap, 1, AS_AREA_WRITE | AS_AREA_READ);
    _async_init();
    f = fibril_setup();
    __tcb_set(f->tcb);
   
    open_console();
 
    /* Save the PCB pointer */
    __pcb = (pcb_t *)pcb_ptr;
 
#ifdef __IN_SHARED_LIBC__
    if (__pcb != NULL && __pcb->rtld_runtime != NULL) {
        runtime_env = (runtime_env_t *) __pcb->rtld_runtime;
    }
#endif
 
    if (__pcb == NULL) {
        argc = 0;
        argv = NULL;
    } else {
        argc = __pcb->argc;
        argv = __pcb->argv;
    }
 
    main(argc, argv);
}
 
void __exit(void)
{
    fibril_teardown(__tcb_get()->fibril_data);
    _exit(0);
}
 
/** @}
 */
 

Rev 3686	Rev 4338
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 lc Libc	29	/** @addtogroup lc Libc
30	* @brief HelenOS C library	30	* @brief HelenOS C library
31	* @{	31	* @{
32	* @}	32	* @}
33	*/	33	*/
34	/** @addtogroup libc generic	34	/** @addtogroup libc generic
35	* @ingroup lc	35	* @ingroup lc
36	* @{	36	* @{
37	*/	37	*/
38	/** @file	38	/** @file
39	*/	39	*/
40		40
41	#include <libc.h>	41	#include <libc.h>
42	#include <unistd.h>	42	#include <unistd.h>
43	#include <malloc.h>	43	#include <malloc.h>
44	#include <tls.h>	44	#include <tls.h>
45	#include <thread.h>	45	#include <thread.h>
46	#include <fibril.h>	46	#include <fibril.h>
47	#include <io/stream.h>	47	#include <io/stream.h>
48	#include <ipc/ipc.h>	48	#include <ipc/ipc.h>
49	#include <async.h>	49	#include <async.h>
50	#include <as.h>	50	#include <as.h>
51	#include <loader/pcb.h>	51	#include <loader/pcb.h>
52		52
53	/* From librtld. */	53	/* From librtld. */
54	#include <rtld.h>	54	#include <rtld.h>
55	#include <string.h>	55	#include <string.h>
56		56
57	extern char _heap;	57	extern char _heap;
58	extern int main(int argc, char *argv[]);	58	extern int main(int argc, char *argv[]);
59		59
-		60	int _errno;
-		61
60	void _exit(int status)	62	void _exit(int status)
61	{	63	{
62	thread_exit(status);	64	thread_exit(status);
63	}	65	}
64		66
65	void __main(void *pcb_ptr)	67	void __main(void *pcb_ptr)
66	{	68	{
67	fibril_t *f;	69	fibril_t *f;
68	int argc;	70	int argc;
69	char **argv;	71	char **argv;
70		72
71	(void) as_area_create(&_heap, 1, AS_AREA_WRITE \| AS_AREA_READ);	73	(void) as_area_create(&_heap, 1, AS_AREA_WRITE \| AS_AREA_READ);
72	_async_init();	74	_async_init();
73	f = fibril_setup();	75	f = fibril_setup();
74	__tcb_set(f->tcb);	76	__tcb_set(f->tcb);
75		77
76	open_console();	78	open_console();
77		79
78	/* Save the PCB pointer */	80	/* Save the PCB pointer */
79	__pcb = (pcb_t *)pcb_ptr;	81	__pcb = (pcb_t *)pcb_ptr;
80		82
81	#ifdef __IN_SHARED_LIBC__	83	#ifdef __IN_SHARED_LIBC__
82	if (__pcb != NULL && __pcb->rtld_runtime != NULL) {	84	if (__pcb != NULL && __pcb->rtld_runtime != NULL) {
83	runtime_env = (runtime_env_t *) __pcb->rtld_runtime;	85	runtime_env = (runtime_env_t *) __pcb->rtld_runtime;
84	}	86	}
85	#endif	87	#endif
86		88
87	if (__pcb == NULL) {	89	if (__pcb == NULL) {
88	argc = 0;	90	argc = 0;
89	argv = NULL;	91	argv = NULL;
90	} else {	92	} else {
91	argc = __pcb->argc;	93	argc = __pcb->argc;
92	argv = __pcb->argv;	94	argv = __pcb->argv;
93	}	95	}
94		96
95	main(argc, argv);	97	main(argc, argv);
96	}	98	}
97		99
98	void __exit(void)	100	void __exit(void)
99	{	101	{
100	fibril_teardown(__tcb_get()->fibril_data);	102	fibril_teardown(__tcb_get()->fibril_data);
101	_exit(0);	103	_exit(0);
102	}	104	}
103		105
104	/** @}	106	/** @}
105	*/	107	*/
106		108

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/lib/libc/generic/libc.c – Rev 3686 → 4338