/* 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>
#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
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, ...);
}
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;
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)
{
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);
}