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Use a dynar instead of a swag to implement the process_to_run list.
[simgrid.git] / 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 */