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  1. /*
  2.  * Copyright (c) 2005 Martin Decky
  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.
  27.  */
  28.  
  29. /** @addtogroup lc Libc
  30.  * @brief HelenOS C library
  31.  * @{
  32.  * @}
  33.  */
  34.  
  35. /** @addtogroup libc generic
  36.  * @ingroup lc
  37.  * @{
  38.  */
  39.  
  40. /** @file
  41.  */
  42.  
  43. #include <libc.h>
  44. #include <stdio.h>
  45. #include <unistd.h>
  46. #include <malloc.h>
  47. #include <tls.h>
  48. #include <thread.h>
  49. #include <fibril.h>
  50. #include <ipc/ipc.h>
  51. #include <async.h>
  52. #include <as.h>
  53. #include <loader/pcb.h>
  54.  
  55. extern char _heap;
  56. extern int main(int argc, char *argv[]);
  57.  
  58. int _errno;
  59.  
  60. void _exit(int status)
  61. {
  62.     thread_exit(status);
  63. }
  64.  
  65. void __main(void *pcb_ptr)
  66. {
  67.     (void) as_area_create(&_heap, 1, AS_AREA_WRITE | AS_AREA_READ);
  68.    
  69.     _async_init();
  70.     fibril_t *fibril = fibril_setup();
  71.     __tcb_set(fibril->tcb);
  72.    
  73.     /* Save the PCB pointer */
  74.     __pcb = (pcb_t *) pcb_ptr;
  75.    
  76.     int argc;
  77.     char **argv;
  78.    
  79.     if (__pcb == NULL) {
  80.         argc = 0;
  81.         argv = NULL;
  82.     } else {
  83.         argc = __pcb->argc;
  84.         argv = __pcb->argv;
  85.        
  86.         if (__pcb->filc > 0)
  87.             stdin = fopen_node(__pcb->filv[0], "r");
  88.        
  89.         if (__pcb->filc > 1)
  90.             stdout = fopen_node(__pcb->filv[1], "w");
  91.        
  92.         if (__pcb->filc > 2)
  93.             stderr = fopen_node(__pcb->filv[2], "w");
  94.     }
  95.    
  96.     main(argc, argv);
  97.    
  98.     if (stdin != NULL)
  99.         fclose(stdin);
  100.    
  101.     if (stdout != NULL)
  102.         fclose(stdout);
  103.    
  104.     if (stderr != NULL)
  105.         fclose(stderr);
  106. }
  107.  
  108. void __exit(void)
  109. {
  110.     fibril_teardown(__tcb_get()->fibril_data);
  111.     _exit(0);
  112. }
  113.  
  114. /** @}
  115.  */
  116.