Trampoline.t.cpp

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #define _PTHREAD_ATTR_T
  41 #include <pthread_internals.h>
  42
  43 #include "Baton.hpp"
  44
  45 void *Routine(void *);
  46
  47 extern "C" void Start(Baton *baton) {
  48     struct _pthread self;
  49     baton->_pthread_set_self(&self);
  50
  51     pthread_t thread;
  52     baton->pthread_create(&thread, NULL, &Routine, baton);
  53
  54     void *result;
  55     baton->pthread_join(thread, &result);
  56
  57     baton->thread_terminate(baton->mach_thread_self());
  58 }
  59
  60 void *Routine(void *arg) {
  61     Baton *baton(reinterpret_cast<Baton *>(arg));
  62     void *handle(baton->dlopen(baton->library, RTLD_LAZY | RTLD_LOCAL));
  63     void (*HandleServer)(pid_t) = reinterpret_cast<void (*)(pid_t)>(baton->dlsym(handle, "CYHandleServer"));
  64     HandleServer(baton->pid);
  65     return arg;
  66 }