X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dee60c06c65803e929391a0102697323bda033e4..ec16845133f5f1b5262d2d77d8ba22824fa8a446:/src/simix/smx_context_sysv.c

diff --git a/src/simix/smx_context_sysv.c b/src/simix/smx_context_sysv.c
index a168a7eb2b..5759fa60e9 100644
--- a/src/simix/smx_context_sysv.c
+++ b/src/simix/smx_context_sysv.c
@@ -19,14 +19,15 @@
 
 #ifdef _XBT_WIN32
 #include "win32_ucontext.h"
-#include "win32_ucontext.c"
 #else
 #include "ucontext.h"
 #endif
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context);
 
+#ifdef CONTEXT_THREADS
 static xbt_parmap_t parmap;
+#endif
 
 static smx_context_t
 smx_ctx_sysv_create_context(xbt_main_func_t code, int argc, char **argv,
@@ -52,7 +53,7 @@ union u_ctx_addr {
 void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory)
 {
   smx_ctx_base_factory_init(factory);
-  VERB0("Activating SYSV context factory");
+  XBT_VERB("Activating SYSV context factory");
 
   (*factory)->finalize = smx_ctx_sysv_factory_finalize;
   (*factory)->create_context = smx_ctx_sysv_create_context;
@@ -62,13 +63,14 @@ void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory)
   (*factory)->suspend = smx_ctx_sysv_suspend;
   (*factory)->name = "smx_sysv_context_factory";
 
-  if (smx_parallel_contexts) {
+  if (SIMIX_context_is_parallel()) {
 #ifdef CONTEXT_THREADS	/* To use parallel ucontexts a thread pool is needed */
     parmap = xbt_parmap_new(2);
     (*factory)->runall = smx_ctx_sysv_runall_parallel;
     (*factory)->self = smx_ctx_sysv_self_parallel;
+    (*factory)->get_thread_id = smx_ctx_sysv_get_thread_id;
 #else
-    THROW0(arg_error, 0, "No thread support for parallel context execution");
+    THROWF(arg_error, 0, "No thread support for parallel context execution");
 #endif
   }else{
     (*factory)->runall = smx_ctx_sysv_runall;
@@ -77,8 +79,10 @@ void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory)
 
 int smx_ctx_sysv_factory_finalize(smx_context_factory_t *factory)
 { 
+#ifdef CONTEXT_THREADS
   if(parmap)
     xbt_parmap_destroy(parmap);
+#endif
   return smx_ctx_base_factory_finalize(factory);
 }
 
@@ -101,7 +105,9 @@ smx_ctx_sysv_create_context_sized(size_t size, xbt_main_func_t code,
      otherwise is the context for maestro */
   if (code) {
 
-    xbt_assert2(getcontext(&(context->uc)) == 0,
+    int res;
+    res = getcontext(&(context->uc));
+    xbt_assert2(res == 0,
                 "Error in context saving: %d (%s)", errno,
                 strerror(errno));
 
@@ -185,7 +191,8 @@ void smx_ctx_sysv_wrapper(int first, ...)
 void smx_ctx_sysv_suspend(smx_context_t context)
 {
   smx_current_context = (smx_context_t)maestro_context;
-  int rv = swapcontext(&((smx_ctx_sysv_t) context)->uc, &((smx_ctx_sysv_t)context)->old_uc);
+  int rv;
+  rv = swapcontext(&((smx_ctx_sysv_t) context)->uc, &((smx_ctx_sysv_t)context)->old_uc);
 
   xbt_assert0((rv == 0), "Context swapping failure");
 }
@@ -193,7 +200,8 @@ void smx_ctx_sysv_suspend(smx_context_t context)
 void smx_ctx_sysv_resume(smx_context_t context)
 {
   smx_current_context = context; 
-  int rv = swapcontext(&((smx_ctx_sysv_t)context)->old_uc, &((smx_ctx_sysv_t) context)->uc);
+  int rv;
+  rv = swapcontext(&((smx_ctx_sysv_t)context)->old_uc, &((smx_ctx_sysv_t) context)->uc);
 
   xbt_assert0((rv == 0), "Context swapping failure");
 }
@@ -204,7 +212,7 @@ void smx_ctx_sysv_runall(xbt_dynar_t processes)
   unsigned int cursor;
 
   xbt_dynar_foreach(processes, cursor, process) {
-    DEBUG2("Schedule item %u of %lu",cursor,xbt_dynar_length(processes));
+    XBT_DEBUG("Schedule item %u of %lu",cursor,xbt_dynar_length(processes));
     smx_ctx_sysv_resume(process->context);
   }
   xbt_dynar_reset(processes);
@@ -213,21 +221,30 @@ void smx_ctx_sysv_runall(xbt_dynar_t processes)
 void smx_ctx_sysv_resume_parallel(smx_process_t process)
 {
   smx_context_t context = process->context;
-  xbt_os_thread_set_extra_data(context);
-  int rv = swapcontext(&((smx_ctx_sysv_t)context)->old_uc, &((smx_ctx_sysv_t) context)->uc);
-  xbt_os_thread_set_extra_data(NULL);
+  smx_current_context = (smx_context_t)context;
+  int rv;
+  rv = swapcontext(&((smx_ctx_sysv_t)context)->old_uc, &((smx_ctx_sysv_t) context)->uc);
+  smx_current_context = (smx_context_t)maestro_context;
 
   xbt_assert0((rv == 0), "Context swapping failure");
 }
 
 void smx_ctx_sysv_runall_parallel(xbt_dynar_t processes)
 {
+#ifdef CONTEXT_THREADS
   xbt_parmap_apply(parmap, (void_f_pvoid_t)smx_ctx_sysv_resume_parallel, processes);
+#endif
   xbt_dynar_reset(processes);
 }
 
 smx_context_t smx_ctx_sysv_self_parallel(void)
 {
-  smx_context_t self_context = (smx_context_t) xbt_os_thread_get_extra_data();
-  return self_context ? self_context : (smx_context_t) maestro_context;
+  /*smx_context_t self_context = (smx_context_t) xbt_os_thread_get_extra_data();
+  return self_context ? self_context : (smx_context_t) maestro_context;*/
+  return smx_current_context;
+}
+
+int smx_ctx_sysv_get_thread_id(void)
+{
+  return (int)(unsigned long)xbt_os_thread_get_extra_data();
 }