| 1 | /*
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| 2 | * Copyright (c) 2005 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup lc Libc
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| 30 | * @brief HelenOS C library
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| 31 | * @{
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| 32 | * @}
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| 33 | */
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| 34 |
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| 35 | /** @addtogroup libc generic
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| 36 | * @ingroup lc
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| 37 | * @{
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| 38 | */
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| 39 |
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| 40 | /** @file
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| 41 | */
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| 42 |
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| 43 | #include <libc.h>
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| 44 | #include <stdio.h>
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| 45 | #include <unistd.h>
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| 46 | #include <malloc.h>
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| 47 | #include <tls.h>
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| 48 | #include <thread.h>
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| 49 | #include <fibril.h>
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| 50 | #include <ipc/ipc.h>
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| 51 | #include <async.h>
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| 52 | #include <as.h>
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| 53 | #include <loader/pcb.h>
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| 54 |
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| 55 | extern int main(int argc, char *argv[]);
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| 56 |
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| 57 | void _exit(int status)
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| 58 | {
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| 59 | thread_exit(status);
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| 60 | }
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| 61 |
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| 62 | void __main(void *pcb_ptr)
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| 63 | {
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| 64 | /* Initialize user task run-time environment */
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| 65 | __heap_init();
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| 66 | __async_init();
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| 67 | fibril_t *fibril = fibril_setup();
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| 68 | __tcb_set(fibril->tcb);
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| 69 |
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| 70 | /* Save the PCB pointer */
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| 71 | __pcb = (pcb_t *) pcb_ptr;
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| 72 |
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| 73 | int argc;
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| 74 | char **argv;
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| 75 |
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| 76 | /* Get command line arguments and initialize
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| 77 | standard input and output */
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| 78 | if (__pcb == NULL) {
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| 79 | argc = 0;
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| 80 | argv = NULL;
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| 81 | __stdio_init(0, NULL);
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| 82 | } else {
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| 83 | argc = __pcb->argc;
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| 84 | argv = __pcb->argv;
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| 85 | __stdio_init(__pcb->filc, __pcb->filv);
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| 86 | (void) chdir(__pcb->cwd);
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| 87 | }
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| 88 |
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| 89 | /* Run main() and set task return value
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| 90 | according the result */
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| 91 | (void) task_retval(main(argc, argv));
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| 92 | }
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| 93 |
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| 94 | void __exit(void)
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| 95 | {
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| 96 | __stdio_done();
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| 97 | fibril_teardown(__tcb_get()->fibril_data);
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| 98 | _exit(0);
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| 99 | }
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| 100 |
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| 101 | /** @}
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| 102 | */
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