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