source: mainline/uspace/lib/c/generic/libc.c@ a676574

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a676574 was 4791e3c, checked in by Jiri Svoboda <jiri@…>, 15 years ago

No need to include async_sess.h directly anymore.

  • Property mode set to 100644
File size: 2.6 KB
RevLine 
[3eddaff]1/*
[df4ed85]2 * Copyright (c) 2005 Martin Decky
[3eddaff]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.
[b2951e2]27 */
[a46da63]28
29/** @addtogroup lc Libc
[433131d]30 * @brief HelenOS C library
[a46da63]31 * @{
32 * @}
33 */
[433131d]34
[a46da63]35/** @addtogroup libc generic
36 * @ingroup lc
[b2951e2]37 * @{
38 */
[433131d]39
[b2951e2]40/** @file
[433131d]41 */
[3eddaff]42
43#include <libc.h>
[433131d]44#include <stdio.h>
[3eddaff]45#include <unistd.h>
[29a9f62]46#include <malloc.h>
[fa23560]47#include <tls.h>
48#include <thread.h>
[bc1f1c2]49#include <fibril.h>
[04552a80]50#include <ipc/ipc.h>
[80649a91]51#include <async.h>
[07d960a]52#include <as.h>
[c98e6ee]53#include <loader/pcb.h>
[07d960a]54
[c98e6ee]55extern int main(int argc, char *argv[]);
[35509652]56
[a46da63]57void _exit(int status)
58{
[c05290e]59 thread_exit(status);
[350514c]60}
61
[c98e6ee]62void __main(void *pcb_ptr)
[a46da63]63{
[3292623]64 /* Initialize user task run-time environment */
[db24058]65 __heap_init();
66 __async_init();
[433131d]67 fibril_t *fibril = fibril_setup();
68 __tcb_set(fibril->tcb);
[663c5a6]69
[c98e6ee]70 /* Save the PCB pointer */
[433131d]71 __pcb = (pcb_t *) pcb_ptr;
72
73 int argc;
74 char **argv;
75
[3292623]76 /* Get command line arguments and initialize
77 standard input and output */
[c98e6ee]78 if (__pcb == NULL) {
79 argc = 0;
80 argv = NULL;
[db24058]81 __stdio_init(0, NULL);
[c98e6ee]82 } else {
83 argc = __pcb->argc;
84 argv = __pcb->argv;
[db24058]85 __stdio_init(__pcb->filc, __pcb->filv);
[7591b27d]86 (void) chdir(__pcb->cwd);
[c98e6ee]87 }
[433131d]88
[3292623]89 /* Run main() and set task return value
90 according the result */
91 (void) task_retval(main(argc, argv));
[3eddaff]92}
93
[a46da63]94void __exit(void)
95{
[3292623]96 __stdio_done();
[bc1f1c2]97 fibril_teardown(__tcb_get()->fibril_data);
[350514c]98 _exit(0);
[3eddaff]99}
[b2951e2]100
[a46da63]101/** @}
[b2951e2]102 */
Note: See TracBrowser for help on using the repository browser.