src/simix/smx_context_sysv_private.h

   1 /* Functions of sysv context mecanism: lua inherites them                   */
   2
   3 /* Copyright (c) 2010. The SimGrid Team.
   4  * All rights reserved.                                                     */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9 #ifndef _XBT_CONTEXT_SYSV_PRIVATE_H
  10 #define _XBT_CONTEXT_SYSV_PRIVATE_H
  11
  12 #include "xbt/swag.h"
  13 #include "simix/context.h"
  14 #include "portable.h"
  15
  16 SG_BEGIN_DECL()
  17
  18 /* lower this if you want to reduce the memory consumption  */
  19 #ifndef CONTEXT_STACK_SIZE      /* allow lua to override this */
  20 #define CONTEXT_STACK_SIZE 128*1024
  21 #endif                          /*CONTEXT_STACK_SIZE */
  22 #include "context_sysv_config.h"        /* loads context system definitions */
  23 #ifdef _XBT_WIN32
  24 #include <win32_ucontext.h>     /* context relative declarations */
  25 #else
  26 #include <ucontext.h>           /* context relative declarations */
  27 #endif
  28
  29 typedef struct s_smx_ctx_sysv {
  30   s_smx_ctx_base_t super;       /* Fields of super implementation */
  31   ucontext_t uc;                /* the thread that execute the code */
  32   ucontext_t old_uc;            /* the context that was swapped with */
  33 #ifdef HAVE_VALGRIND_VALGRIND_H
  34   unsigned int valgrind_stack_id;       /* the valgrind stack id */
  35 #endif
  36   char stack[CONTEXT_STACK_SIZE];       /* the thread stack size */
  37 } s_smx_ctx_sysv_t, *smx_ctx_sysv_t;
  38
  39 smx_ctx_sysv_t maestro_context;
  40
  41 void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory);
  42 int smx_ctx_sysv_factory_finalize(smx_context_factory_t *factory);
  43
  44 smx_context_t
  45 smx_ctx_sysv_create_context_sized(size_t structure_size,
  46                                   xbt_main_func_t code, int argc,
  47                                   char **argv,
  48                                   void_pfn_smxprocess_t cleanup_func,
  49                                   void *data);
  50 void smx_ctx_sysv_free(smx_context_t context);
  51 void smx_ctx_sysv_stop(smx_context_t context);
  52 void smx_ctx_sysv_suspend(smx_context_t context);
  53 void smx_ctx_sysv_resume(smx_context_t new_context);
  54 void smx_ctx_sysv_runall(xbt_dynar_t processes);
  55 void smx_ctx_sysv_resume_parallel(smx_process_t new_context);
  56 void smx_ctx_sysv_runall_parallel(xbt_dynar_t processes);
  57 smx_context_t smx_ctx_sysv_self_parallel(void);
  58
  59 SG_END_DECL()
  60
  61 #endif                          /* !_XBT_CONTEXT_SYSV_PRIVATE_H */