X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/54d4db7b7c8fa95028c7c279b87abaed1ba6c646..0b2b203572323552d916d5d2c60d100a27ca7f72:/src/simix/smx_context_raw.c

diff --git a/src/simix/smx_context_raw.c b/src/simix/smx_context_raw.c
index 829f47e714..37e07636b8 100644
--- a/src/simix/smx_context_raw.c
+++ b/src/simix/smx_context_raw.c
@@ -1,6 +1,6 @@
 /* context_raw - fast context switching inspired from System V ucontexts   */
 
-/* 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
@@ -10,10 +10,6 @@
 #include "xbt/parmap.h"
 #include "mc/mc.h"
 
-#ifdef HAVE_VALGRIND_VALGRIND_H
-#  include <valgrind/valgrind.h>
-#endif                          /* HAVE_VALGRIND_VALGRIND_H */
-
 typedef char * raw_stack_t;
 typedef void (*rawctx_entry_point_t)(void *);
 
@@ -21,9 +17,6 @@ typedef struct s_smx_ctx_raw {
   s_smx_ctx_base_t super;         /* Fields of super implementation */
   char *malloced_stack;           /* malloced area containing the stack */
   raw_stack_t stack_top;          /* pointer to stack top (within previous area) */
-#ifdef HAVE_VALGRIND_VALGRIND_H
-  unsigned int valgrind_stack_id; /* the valgrind stack id */
-#endif
 #ifdef TIME_BENCH_PER_SR
   unsigned int thread;            /* Just for measuring purposes */
 #endif
@@ -62,6 +55,7 @@ __asm__ (
 #endif
    "   mov %rdi,%rax\n"      /* stack */
    "   add %rsi,%rax\n"      /* size  */
+   "   andq $-16, %rax\n"    /* align stack */
    "   movq $0,   -8(%rax)\n" /* @return for func */
    "   mov %rdx,-16(%rax)\n" /* func */
    "   mov %rcx,-24(%rax)\n" /* arg/rdi */
@@ -137,6 +131,7 @@ __asm__ (
 #endif
    "   movl 4(%esp),%eax\n"   /* stack */
    "   addl 8(%esp),%eax\n"   /* size  */
+   "   andl $-16, %eax\n"     /* align stack */
    "   movl 12(%esp),%ecx\n"  /* func  */
    "   movl 16(%esp),%edx\n"  /* arg   */
    "   movl %edx, -4(%eax)\n"
@@ -210,7 +205,7 @@ static char new_sr = 0;
 static void smx_ctx_raw_wrapper(smx_ctx_raw_t context);
 static int smx_ctx_raw_factory_finalize(smx_context_factory_t *factory);
 static smx_context_t smx_ctx_raw_create_context(xbt_main_func_t code, int argc,
-    char **argv, void_pfn_smxprocess_t cleanup_func, void *data);
+    char **argv, void_pfn_smxprocess_t cleanup_func, smx_process_t process);
 static void smx_ctx_raw_free(smx_context_t context);
 static void smx_ctx_raw_wrapper(smx_ctx_raw_t context);
 static void smx_ctx_raw_stop(smx_context_t context);
@@ -296,12 +291,12 @@ static int smx_ctx_raw_factory_finalize(smx_context_factory_t *factory)
  * \param argv arguments to pass to the main function
  * \param cleanup_func a function to call to free the user data when the
  * context finished
- * \param data user data
+ * \param process SIMIX process
  */
 static smx_context_t
 smx_ctx_raw_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)
 {
 
   smx_ctx_raw_t context =
@@ -311,24 +306,19 @@ smx_ctx_raw_create_context(xbt_main_func_t code, int argc, char **argv,
           argc,
           argv,
           cleanup_func,
-          data);
+          process);
 
   /* if the user provided a function for the process then use it,
      otherwise it is the context for maestro */
      if (code) {
-       context->malloced_stack = xbt_malloc0(smx_context_stack_size);
+       context->malloced_stack = SIMIX_context_stack_new();
        context->stack_top =
-           raw_makecontext(context->malloced_stack, smx_context_stack_size,
-               (void_f_pvoid_t) smx_ctx_raw_wrapper, context);
-
-#ifdef HAVE_VALGRIND_VALGRIND_H
-       context->valgrind_stack_id =
-           VALGRIND_STACK_REGISTER(context->malloced_stack,
-               context->malloced_stack + smx_context_stack_size);
-#endif                          /* HAVE_VALGRIND_VALGRIND_H */
+           raw_makecontext(context->malloced_stack,
+                           smx_context_usable_stack_size,
+                           (void_f_pvoid_t)smx_ctx_raw_wrapper, context);
 
      } else {
-       if(data != NULL && raw_maestro_context==NULL)
+       if(process != NULL && raw_maestro_context==NULL)
          raw_maestro_context = context;
 
        if(MC_is_active())
@@ -346,13 +336,7 @@ smx_ctx_raw_create_context(xbt_main_func_t code, int argc, char **argv,
 static void smx_ctx_raw_free(smx_context_t context)
 {
   if (context) {
-
-#ifdef HAVE_VALGRIND_VALGRIND_H
-    VALGRIND_STACK_DEREGISTER(((smx_ctx_raw_t)
-        context)->valgrind_stack_id);
-#endif                          /* HAVE_VALGRIND_VALGRIND_H */
-
-    free(((smx_ctx_raw_t) context)->malloced_stack);
+    SIMIX_context_stack_delete(((smx_ctx_raw_t) context)->malloced_stack);
   }
   smx_ctx_base_free(context);
 }