Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot/simgrid/simgrid
[simgrid.git] / src / simix / smx_private.h
1 /* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
2  * All rights reserved.                                                     */
3
4 /* This program is free software; you can redistribute it and/or modify it
5  * under the terms of the license (GNU LGPL) which comes with this package. */
6
7 #ifndef _SIMIX_PRIVATE_H
8 #define _SIMIX_PRIVATE_H
9
10 #include <functional>
11
12 #include "src/internal_config.h"
13 #include "simgrid/simix.h"
14 #include "surf/surf.h"
15 #include "xbt/base.h"
16 #include "xbt/fifo.h"
17 #include "xbt/swag.h"
18 #include "xbt/dict.h"
19 #include "xbt/mallocator.h"
20 #include "xbt/config.h"
21 #include "xbt/xbt_os_time.h"
22 #include "xbt/function_types.h"
23 #include "src/xbt/ex_interface.h"
24 #include "src/instr/instr_private.h"
25 #include "smx_process_private.h"
26 #include "smx_host_private.h"
27 #include "smx_io_private.h"
28 #include "smx_network_private.h"
29 #include "popping_private.h"
30 #include "smx_synchro_private.h"
31
32 #include <signal.h>
33
34 #ifdef __cplusplus
35
36 #include <simgrid/simix.hpp>
37
38 namespace simgrid {
39 namespace simix {
40
41 /* This allows Java to hijack the context factory (Java induces factories of factory :) */
42 typedef ContextFactory* (*ContextFactoryInitializer)(void);
43 XBT_PUBLIC_DATA(ContextFactoryInitializer) factory_initializer;
44
45 XBT_PRIVATE ContextFactory* thread_factory();
46 XBT_PRIVATE ContextFactory* sysv_factory();
47 XBT_PRIVATE ContextFactory* raw_factory();
48 XBT_PRIVATE ContextFactory* boost_factory();
49
50 }
51 }
52
53 typedef simgrid::simix::ContextFactory *smx_context_factory_t;
54
55 #else
56
57 typedef struct s_smx_context_factory *smx_context_factory_t;
58
59 #endif
60
61 SG_BEGIN_DECL()
62
63 /********************************** Simix Global ******************************/
64 typedef struct s_smx_global {
65   smx_context_factory_t context_factory;
66   xbt_dynar_t process_to_run;
67   xbt_dynar_t process_that_ran;
68   xbt_swag_t process_list;
69   xbt_swag_t process_to_destroy;
70   smx_process_t maestro_process;
71   xbt_dict_t registered_functions;
72   smx_creation_func_t create_process_function;
73   void_pfn_smxprocess_t kill_process_function;
74   /** Callback used when killing a SMX_process */
75   void_pfn_smxprocess_t cleanup_process_function;
76
77   xbt_os_mutex_t mutex;
78 } s_smx_global_t, *smx_global_t;
79
80 XBT_PUBLIC_DATA(smx_global_t) simix_global;
81 extern XBT_PRIVATE unsigned long simix_process_maxpid;
82
83 XBT_PUBLIC(void) SIMIX_clean(void);
84
85 /******************************** Exceptions *********************************/
86 /** @brief Ask to the provided simix process to raise the provided exception */
87 #define SMX_EXCEPTION(issuer, cat, val, msg) \
88   if (1) { \
89   smx_process_t _smx_throw_issuer = (issuer); /* evaluate only once */ \
90   xbt_ex e(msg); \
91   e.category = cat; \
92   e.value = val; \
93   e.procname = xbt_procname(); \
94   e.pid = xbt_getpid(); \
95   e.file = __FILE__; \
96   e.line = __LINE__; \
97   e.func = __func__; \
98   _smx_throw_issuer->exception = std::make_exception_ptr(e); \
99   } else ((void)0)
100
101 /* ******************************** File ************************************ */
102 typedef struct s_smx_file {
103   surf_file_t surf_file;
104   void* data;                   /**< @brief user data */
105 } s_smx_file_t;
106
107 XBT_PRIVATE void SIMIX_context_mod_init(void);
108 XBT_PRIVATE void SIMIX_context_mod_exit(void);
109
110 XBT_PRIVATE smx_context_t SIMIX_context_new(
111   std::function<void()> code,
112   void_pfn_smxprocess_t cleanup_func,
113   smx_process_t simix_process);
114
115 #ifndef WIN32
116 XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
117 #endif
118
119 /* We are using the bottom of the stack to save some information, like the
120  * valgrind_stack_id. Define smx_context_usable_stack_size to give the remaining
121  * size for the stack. */
122 #if HAVE_VALGRIND_H
123 # define smx_context_usable_stack_size                                  \
124   (smx_context_stack_size - sizeof(unsigned int)) /* for valgrind_stack_id */
125 #else
126 # define smx_context_usable_stack_size smx_context_stack_size
127 #endif
128
129 /** @brief Executes all the processes to run (in parallel if possible). */
130 static inline void SIMIX_context_runall(void)
131 {
132   if (!xbt_dynar_is_empty(simix_global->process_to_run))
133     simix_global->context_factory->run_all();
134 }
135
136 /** @brief returns the current running context */
137 static inline smx_context_t SIMIX_context_self(void)
138 {
139   if (simix_global && simix_global->context_factory)
140     return simix_global->context_factory->self();
141   else
142     return nullptr;
143 }
144
145 XBT_PRIVATE void *SIMIX_context_stack_new(void);
146 XBT_PRIVATE void SIMIX_context_stack_delete(void *stack);
147
148 XBT_PRIVATE void SIMIX_context_set_current(smx_context_t context);
149 XBT_PRIVATE smx_context_t SIMIX_context_get_current(void);
150
151 XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
152
153 XBT_PRIVATE void SIMIX_post_create_environment(void);
154
155 // FIXME, Dirty hack for SMPI+MSG
156 XBT_PRIVATE void SIMIX_process_set_cleanup_function(smx_process_t process, void_pfn_smxprocess_t cleanup);
157
158 SG_END_DECL()
159
160 #endif