X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9b73466ada27682d1729f394549479da83ef4a99..edd9023755f5628abe30bdb2745dad951e487e67:/src/simix/smx_context_sysv.c

diff --git a/src/simix/smx_context_sysv.c b/src/simix/smx_context_sysv.c
index 3af7b3cef9..9db467f609 100644
--- a/src/simix/smx_context_sysv.c
+++ b/src/simix/smx_context_sysv.c
@@ -1,10 +1,10 @@
 /* context_sysv - context switching with ucontexts from System V           */
 
-/* Copyright (c) 2009-2013. The SimGrid Team.
+/* Copyright (c) 2009-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
- /* This program is free software; you can redistribute it and/or modify it
-  * under the terms of the license (GNU LGPL) which comes with this package. */
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include <stdarg.h>
 
@@ -32,7 +32,7 @@ typedef struct s_smx_ctx_sysv {
 #ifdef HAVE_VALGRIND_VALGRIND_H
   unsigned int valgrind_stack_id;       /* the valgrind stack id */
 #endif
-  char stack[0];                /* the thread stack (must remain the last element of the structure) */
+  char *stack;                  /* the thread stack */
 } s_smx_ctx_sysv_t, *smx_ctx_sysv_t;
 
 #ifdef CONTEXT_THREADS
@@ -46,16 +46,10 @@ static unsigned long sysv_process_index = 0;   /* index of the next process to r
 static smx_ctx_sysv_t sysv_maestro_context;
 
 static int smx_ctx_sysv_factory_finalize(smx_context_factory_t *factory);
-static smx_context_t
-smx_ctx_sysv_create_context_sized(size_t structure_size,
-                                  xbt_main_func_t code, int argc,
-                                  char **argv,
-                                  void_pfn_smxprocess_t cleanup_func,
-                                  void *data);
 static void smx_ctx_sysv_free(smx_context_t context);
 static smx_context_t
 smx_ctx_sysv_create_context(xbt_main_func_t code, int argc, char **argv,
-    void_pfn_smxprocess_t cleanup_func, void* data);
+    void_pfn_smxprocess_t cleanup_func, smx_process_t process);
 
 static void smx_ctx_sysv_wrapper(int count, ...);
 
@@ -117,24 +111,25 @@ static int smx_ctx_sysv_factory_finalize(smx_context_factory_t *factory)
 }
 
 static smx_context_t
-smx_ctx_sysv_create_context_sized(size_t size, xbt_main_func_t code,
-                                  int argc, char **argv,
-                                  void_pfn_smxprocess_t cleanup_func,
-                                  void *data)
+smx_ctx_sysv_create_context(xbt_main_func_t code, int argc, char **argv,
+                            void_pfn_smxprocess_t cleanup_func,
+                            smx_process_t process)
 {
   int ctx_addr[CTX_ADDR_LEN];
   smx_ctx_sysv_t context =
-      (smx_ctx_sysv_t) smx_ctx_base_factory_create_context_sized(size,
-                                                                 code,
-                                                                 argc,
-                                                                 argv,
-                                                                 cleanup_func,
-                                                                 data);
+    (smx_ctx_sysv_t) smx_ctx_base_factory_create_context_sized(
+      sizeof(s_smx_ctx_sysv_t),
+      code,
+      argc,
+      argv,
+      cleanup_func,
+      process);
 
   /* if the user provided a function for the process then use it,
      otherwise it is the context for maestro */
   if (code) {
 
+    context->stack = SIMIX_context_stack_new();
     getcontext(&(context->uc));
 
     context->uc.uc_link = NULL;
@@ -166,28 +161,17 @@ smx_ctx_sysv_create_context_sized(size_t size, xbt_main_func_t code,
               sizeof(smx_ctx_sysv_t), sizeof(int), CTX_ADDR_LEN);
     }
   } else {
-    if(data != NULL && sysv_maestro_context == NULL)
+    if (process != NULL && sysv_maestro_context == NULL)
       sysv_maestro_context = context;
   }
 
   if(MC_is_active() && code)
-    MC_new_stack_area(context, ((smx_process_t)((smx_context_t)context)->data)->name, &(context->uc), size);
+    MC_new_stack_area(context, ((smx_context_t)context)->process->name,
+                      &(context->uc), sizeof(s_smx_ctx_sysv_t));
 
   return (smx_context_t) context;
 }
 
-static smx_context_t
-smx_ctx_sysv_create_context(xbt_main_func_t code, int argc, char **argv,
-    void_pfn_smxprocess_t cleanup_func,
-    void *data)
-{
-
-  return smx_ctx_sysv_create_context_sized(sizeof(s_smx_ctx_sysv_t) + smx_context_stack_size,
-                                           code, argc, argv, cleanup_func,
-                                           data);
-
-}
-
 static void smx_ctx_sysv_free(smx_context_t context)
 {
 
@@ -197,7 +181,7 @@ static void smx_ctx_sysv_free(smx_context_t context)
     VALGRIND_STACK_DEREGISTER(((smx_ctx_sysv_t)
                                context)->valgrind_stack_id);
 #endif                          /* HAVE_VALGRIND_VALGRIND_H */
-
+    SIMIX_context_stack_delete(((smx_ctx_sysv_t)context)->stack);
   }
   smx_ctx_base_free(context);
 }