3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #ifndef _XBT_CONTEXT_PRIVATE_H
9 #define _XBT_CONTEXT_PRIVATE_H
12 #include "xbt/sysdep.h"
14 #include "xbt/dynar.h" /* void_f_pvoid_t */
15 #include "portable.h" /* loads context system definitions */
17 #if !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32) && !defined(__TOS_WIN__)
18 #include "ucontext_stack.h" /* loads context system definitions */
21 #include "xbt/context.h"
24 #ifdef CONTEXT_THREADS
25 # include "xbt/xbt_os_thread.h"
27 # include <ucontext.h>
28 # define STACK_SIZE 128*1024 /* Lower this if you want to reduce the memory consumption */
29 #endif /* not CONTEXT_THREADS */
32 typedef struct s_xbt_context {
33 s_xbt_swag_hookup_t hookup;
35 /* Declaration of the thread running the process */
36 #ifdef JAVA_SIMGRID /* come first because other ones are defined too */
37 jobject jprocess; /* the java process instance */
38 JNIEnv* jenv; /* jni interface pointer for this thread */
40 # ifdef CONTEXT_THREADS
41 xbt_os_thread_t thread; /* a plain dumb thread (portable to posix or windows) */
43 ucontext_t uc; /* the thread that execute the code */
44 char stack[STACK_SIZE];
45 struct s_xbt_context *save;
46 # endif /* CONTEXT_THREADS */
47 #endif /* JAVA_SIMGRID */
49 /* What we need to synchronize the process */
50 #if defined(JAVA_SIMGRID) || defined(CONTEXT_THREADS)
51 xbt_os_cond_t cond; /* the condition used to synchronize the process */
52 xbt_os_mutex_t mutex; /* the mutex used to synchronize the process */
56 xbt_main_func_t code; /* the scheduled fonction */
60 /* Init/exit functions */
61 void_f_pvoid_t *startup_func;
63 void_f_pvoid_t *cleanup_func;
66 ex_ctx_t *exception; /* exception container */
67 int iwannadie; /* Set to true by the context when it wants to commit suicide */
73 #endif /* !_XBT_CONTEXT_PRIVATE_H */