1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
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. */
7 #ifndef _SIMIX_SMURF_PRIVATE_H
8 #define _SIMIX_SMURF_PRIVATE_H
10 /********************************* Simcalls *********************************/
12 /* we want to build the e_smx_simcall_t enumeration, the table of the
13 * corresponding simcalls string names, and the simcall handlers table
14 * automatically, using macros.
15 * To add a new simcall follow the following syntax:
17 * SIMCALL_ENUM_ELEMENT(<simcall_enumeration_id>, <simcall_handler_function>)
21 /****************************
22 * SIMCALL GENERATING MACRO *
23 ****************************
25 * action(ENUM_NAME, func_name, result_type, params…)
30 * Some macro machinery to get a MAP over the arguments of a variadic macro.
31 * It uses a FOLD to apply a macro to every argument, and because there is
32 * no recursion in the C preprocessor we must create a new macro for every
33 * depth of FOLD's recursion.
37 #define FE_0(WHAT, X, ...)
38 #define FE_1(I, WHAT, X) WHAT(I, X)
39 #define FE_2(I, WHAT, X, ...) WHAT(I, X), FE_1(I+1, WHAT, __VA_ARGS__)
40 #define FE_3(I, WHAT, X, ...) WHAT(I, X), FE_2(I+1, WHAT, __VA_ARGS__)
41 #define FE_4(I, WHAT, X, ...) WHAT(I, X), FE_3(I+1, WHAT, __VA_ARGS__)
42 #define FE_5(I, WHAT, X, ...) WHAT(I, X), FE_4(I+1, WHAT, __VA_ARGS__)
43 #define FE_6(I, WHAT, X, ...) WHAT(I, X), FE_5(I+1, WHAT, __VA_ARGS__)
44 #define FE_7(I, WHAT, X, ...) WHAT(I, X), FE_6(I+1, WHAT, __VA_ARGS__)
45 #define FE_8(I, WHAT, X, ...) WHAT(I, X), FE_7(I+1, WHAT, __VA_ARGS__)
46 #define FE_9(I, WHAT, X, ...) WHAT(I, X), FE_8(I+1, WHAT, __VA_ARGS__)
47 #define FE_10(I, WHAT, X, ...) WHAT(I, X), FE_9(I+1, WHAT, __VA_ARGS__)
50 /* NOTE: add as many FE_n as needed (maximum number of simcall arguments )*/
52 /* Make a MAP macro usgin FOLD (will apply 'action' to the arguments.
53 * GET_MACRO is a smart hack that counts the number of arguments passed to
54 * the variadic macro, and it is used to invoke the right FOLD depth.
56 #define GET_MACRO(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,NAME,...) NAME
57 #define MAP(action, ...) \
58 GET_MACRO(, ##__VA_ARGS__, FE_10,FE_9,FE_8,FE_7,FE_6,FE_5,FE_4,FE_3,FE_2,FE_1, FE_0) (0, action, __VA_ARGS__)
61 * Define scalar type wrappers to ease the use of simcalls.
62 * These are used to wrap the arguments in SIMIX_simcall macro.
64 #define TCHAR(n) (n, char, c)
65 #define TSTRING(n) (n, const char*, cc)
66 #define TSHORT(n) (n, short, s)
67 #define TINT(n) (n, int, i)
68 #define TLONG(n) (n, long, l)
69 #define TUCHAR(n) (n, unsigned char, uc)
70 #define TUSHORT(n) (n, unsigned short, us)
71 #define TUINT(n) (n, unsigned int, ui)
72 #define TULONG(n) (n, unsigned long, ul)
73 #define TFLOAT(n) (n, float, f)
74 #define TDOUBLE(n) (n, double, d)
75 #define TPTR(n) (n, void*, p)
76 #define TCPTR(n) (n, const void*, cp)
77 #define TSIZE(n) (n, size_t, si)
78 #define TSTAT(n) (n, s_file_stat_t, fs)
79 #define TVOID(n) (n, void)
80 #define TSPEC(n,t) (n, t, p)
82 /* use comma or nothing to separate elements*/
83 #define SIMCALL_SEP_COMMA ,
84 #define SIMCALL_SEP_NOTHING
86 /* get the name of the parameter */
87 #define SIMCALL_NAME_(name, type, field) name
88 #define SIMCALL_NAME(i, v) SIMCALL_NAME_ v
90 /* get the %s format code of the parameter */
91 #define SIMCALL_FORMAT_(name, type, field) %field
92 #define SIMCALL_FORMAT(i, v) SIMCALL_FORMAT_ v
94 /* get the parameter declaration */
95 #define SIMCALL_ARG_(name, type, field) type name
96 #define SIMCALL_ARG(i, v) SIMCALL_ARG_ v
98 /* get the parameter initialisation field */
99 #define SIMCALL_INIT_FIELD_(name, type, field) {.field = name}
100 #define SIMCALL_INIT_FIELD(i, v) SIMCALL_INIT_FIELD_ v
102 /* get the case of the parameter */
103 #define SIMCALL_CASE_PARAM_(name, type, field) field
104 #define SIMCALL_CASE_PARAM(i, v) simcall->args[i].SIMCALL_CASE_PARAM_ v
106 /* generate some code for SIMCALL_CASE if the simcall has an answer */
107 #define MAYBE2(_0, _1, func, ...) func
109 #define SIMCALL_WITH_RESULT_BEGIN(name, type, field) simcall->result.field =
110 #define SIMCALL_WITHOUT_RESULT_BEGIN(name, type, field)
111 #define SIMCALL_RESULT_BEGIN_(name, type, ...)\
112 MAYBE2(,##__VA_ARGS__, SIMCALL_WITH_RESULT_BEGIN, SIMCALL_WITHOUT_RESULT_BEGIN)\
113 (name, type, __VA_ARGS__)
114 #define SIMCALL_RESULT_BEGIN(answer, res) answer(SIMCALL_RESULT_BEGIN_ res)
116 #define SIMCALL_RESULT_END_(name, type, ...)\
117 SIMIX_simcall_answer(simcall);
118 #define SIMCALL_RESULT_END(answer, res) answer(SIMCALL_RESULT_END_ res)
120 /* generate some code for BODY function */
121 #define SIMCALL_FUNC_RETURN_TYPE_(name, type, ...) type
122 #define SIMCALL_FUNC_RETURN_TYPE(res) SIMCALL_FUNC_RETURN_TYPE_ res
124 #define SIMCALL_WITH_FUNC_SIMCALL(name, type, field) smx_simcall_t simcall =
125 #define SIMCALL_WITHOUT_FUNC_SIMCALL(name, type, field)
126 #define SIMCALL_FUNC_SIMCALL_(name, type, ...)\
127 MAYBE2(,##__VA_ARGS__, SIMCALL_WITH_FUNC_SIMCALL, SIMCALL_WITHOUT_FUNC_SIMCALL)\
128 (name, type, __VA_ARGS__)
129 #define SIMCALL_FUNC_SIMCALL(res) SIMCALL_FUNC_SIMCALL_ res
131 #define SIMCALL_WITH_FUNC_RETURN(name, type, field) return simcall->result.field;
132 #define SIMCALL_WITHOUT_FUNC_RETURN(name, type, field)
133 #define SIMCALL_FUNC_RETURN_(name, type, ...)\
134 MAYBE2(,##__VA_ARGS__, SIMCALL_WITH_FUNC_RETURN, SIMCALL_WITHOUT_FUNC_RETURN)\
135 (name, type, __VA_ARGS__)
136 #define SIMCALL_FUNC_RETURN(res) SIMCALL_FUNC_RETURN_ res
139 /* generate the simcall enumeration */
140 #define SIMCALL_ENUM(type, ...)\
143 /* generate strings from the enumeration values */
144 #define SIMCALL_TYPE(type, name, answer, res, ...)\
145 [type] = STRINGIFY(MAP(SIMCALL_FORMAT, __VA_ARGS__))
147 /* generate the simcalls functions */
148 #define SIMCALL_FUNC(type, name, answer, res, ...)\
149 SIMCALL_FUNC_RETURN_TYPE(res) simcall_BODY_##name(MAP(SIMCALL_ARG, ##__VA_ARGS__)) { \
150 SIMCALL_FUNC_SIMCALL(res) __SIMIX_simcall(type, (u_smx_scalar_t[]){MAP(SIMCALL_INIT_FIELD, ##__VA_ARGS__)}); \
151 SIMCALL_FUNC_RETURN(res)\
154 /* generate the simcalls prototypes functions */
155 #define VOID_IF_EMPTY(...) GET_CLEAN(,##__VA_ARGS__,,,,,,,,,,,void)
156 #define SIMCALL_FUNC_PROTO(type, name, answer, res, ...)\
157 SIMCALL_FUNC_RETURN_TYPE(res) simcall_BODY_##name(VOID_IF_EMPTY(__VA_ARGS__) MAP(SIMCALL_ARG, ##__VA_ARGS__));
160 /* generate a comma if there is an argument*/
161 #define WITHOUT_COMMA
163 #define GET_CLEAN(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10, NAME,...) NAME
164 #define MAYBE_COMMA(...) GET_CLEAN(,##__VA_ARGS__,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITH_COMMA,WITHOUT_COMMA)
166 /* generate the simcalls cases for the SIMIX_simcall_pre function */
167 #define WITH_ANSWER(...) __VA_ARGS__
168 #define WITHOUT_ANSWER(...)
169 #define SIMCALL_CASE(type, name, answer, res, ...)\
171 SIMCALL_RESULT_BEGIN(answer, res) SIMIX_pre_ ## name(simcall MAYBE_COMMA(__VA_ARGS__) MAP(SIMCALL_CASE_PARAM, ##__VA_ARGS__));\
172 SIMCALL_RESULT_END(answer, res)\
175 /* stringify arguments */
176 #define STRINGIFY_(...) #__VA_ARGS__
177 #define STRINGIFY(...) STRINGIFY_(__VA_ARGS__)
179 /* the list of simcalls definitions */
180 #define SIMCALL_LIST1(action, sep) \
181 action(SIMCALL_HOST_GET_BY_NAME, host_get_by_name, WITH_ANSWER, TSPEC(result, smx_host_t), TSTRING(NAME)) sep \
182 action(SIMCALL_HOST_GET_NAME, host_get_name, WITH_ANSWER, TSTRING(result), TSPEC(host, smx_host_t)) sep \
183 action(SIMCALL_HOST_GET_PROPERTIES, host_get_properties, WITH_ANSWER, TSPEC(result, xbt_dict_t), TSPEC(host, smx_host_t)) sep \
184 action(SIMCALL_HOST_GET_SPEED, host_get_speed, WITH_ANSWER, TDOUBLE(result), TSPEC(host, smx_host_t)) sep \
185 action(SIMCALL_HOST_GET_AVAILABLE_SPEED, host_get_available_speed, WITH_ANSWER, TDOUBLE(result), TSPEC(result, smx_host_t)) sep \
186 action(SIMCALL_HOST_GET_STATE, host_get_state, WITH_ANSWER, TINT(result), TSPEC(host, smx_host_t)) sep \
187 action(SIMCALL_HOST_GET_DATA, host_get_data, WITH_ANSWER, TPTR(result), TSPEC(host, smx_host_t)) sep \
188 action(SIMCALL_HOST_SET_DATA, host_set_data, WITH_ANSWER, TVOID(result), TSPEC(host, smx_host_t), TPTR(data)) sep \
189 action(SIMCALL_HOST_EXECUTE, host_execute, WITH_ANSWER, TSPEC(result, smx_action_t), TSTRING(name), TSPEC(host, smx_host_t), TDOUBLE(computation_amount), TDOUBLE(priority)) sep \
190 action(SIMCALL_HOST_PARALLEL_EXECUTE, host_parallel_execute, WITH_ANSWER, TSPEC(result, smx_action_t), TSTRING(name), TINT(host_nb), TSPEC(host_list, smx_host_t*), TSPEC(computation_amount, double*), TSPEC(communication_amount, double*), TDOUBLE(amount), TDOUBLE(rate)) sep \
191 action(SIMCALL_HOST_EXECUTION_DESTROY, host_execution_destroy, WITH_ANSWER, TVOID(result), TSPEC(execution, smx_action_t)) sep \
192 action(SIMCALL_HOST_EXECUTION_CANCEL, host_execution_cancel, WITH_ANSWER, TVOID(result), TSPEC(execution, smx_action_t)) sep \
193 action(SIMCALL_HOST_EXECUTION_GET_REMAINS, host_execution_get_remains, WITH_ANSWER, TDOUBLE(result), TSPEC(execution, smx_action_t)) sep \
194 action(SIMCALL_HOST_EXECUTION_GET_STATE, host_execution_get_state, WITH_ANSWER, TINT(result), TSPEC(execution, smx_action_t)) sep \
195 action(SIMCALL_HOST_EXECUTION_SET_PRIORITY, host_execution_set_priority, WITH_ANSWER, TVOID(result), TSPEC(execution, smx_action_t), TDOUBLE(priority)) sep \
196 action(SIMCALL_HOST_EXECUTION_WAIT, host_execution_wait, WITHOUT_ANSWER, TINT(result), TSPEC(execution, smx_action_t)) sep \
197 action(SIMCALL_PROCESS_CREATE, process_create, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t*), TSTRING(name), TSPEC(code, xbt_main_func_t), TPTR(data), TSTRING(hostname), TDOUBLE(kill_time), TINT(argc), TSPEC(argv, char**), TSPEC(properties, xbt_dict_t), TINT(auto_restart)) sep \
198 action(SIMCALL_PROCESS_KILL, process_kill, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t)) sep \
199 action(SIMCALL_PROCESS_KILLALL, process_killall, WITH_ANSWER, TVOID(result)) sep \
200 action(SIMCALL_PROCESS_CLEANUP, process_cleanup, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t)) sep \
201 action(SIMCALL_PROCESS_CHANGE_HOST, process_change_host, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t), TSPEC(dest, smx_host_t)) sep \
202 action(SIMCALL_PROCESS_SUSPEND, process_suspend, WITHOUT_ANSWER, TVOID(result), TSPEC(process, smx_process_t)) sep \
203 action(SIMCALL_PROCESS_RESUME, process_resume, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t)) sep \
204 action(SIMCALL_PROCESS_COUNT, process_count, WITH_ANSWER, TINT(result)) sep \
205 action(SIMCALL_PROCESS_GET_DATA, process_get_data, WITH_ANSWER, TPTR(result), TSPEC(process, smx_process_t)) sep \
206 action(SIMCALL_PROCESS_SET_DATA, process_set_data, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t), TPTR(data)) sep \
207 action(SIMCALL_PROCESS_GET_HOST, process_get_host, WITH_ANSWER, TSPEC(result, smx_host_t), TSPEC(process, smx_process_t)) sep \
208 action(SIMCALL_PROCESS_GET_NAME, process_get_name, WITH_ANSWER, TSTRING(result), TSPEC(process, smx_process_t)) sep \
209 action(SIMCALL_PROCESS_IS_SUSPENDED, process_is_suspended, WITH_ANSWER, TINT(result), TSPEC(process, smx_process_t)) sep \
210 action(SIMCALL_PROCESS_GET_PROPERTIES, process_get_properties, WITH_ANSWER, TSPEC(result, xbt_dict_t), TSPEC(process, smx_process_t)) sep \
211 action(SIMCALL_PROCESS_SLEEP, process_sleep, WITHOUT_ANSWER, TINT(result), TDOUBLE(duration)) sep \
212 action(SIMCALL_PROCESS_ON_EXIT, process_on_exit, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t), TSPEC(fun, int_f_pvoid_t), TPTR(data)) sep \
213 action(SIMCALL_PROCESS_AUTO_RESTART_SET, process_auto_restart_set, WITH_ANSWER, TVOID(result), TSPEC(process, smx_process_t), TINT(auto_restart)) sep \
214 action(SIMCALL_PROCESS_RESTART, process_restart, WITH_ANSWER, TSPEC(result, smx_process_t), TSPEC(process, smx_process_t)) sep \
215 action(SIMCALL_RDV_CREATE, rdv_create, WITH_ANSWER, TSPEC(result, smx_rdv_t), TSTRING(name)) sep \
216 action(SIMCALL_RDV_DESTROY, rdv_destroy, WITH_ANSWER, TVOID(result), TSPEC(rdv, smx_rdv_t)) sep \
217 action(SIMCALL_RDV_GET_BY_NAME, rdv_get_by_name, WITH_ANSWER, TSPEC(result, smx_host_t), TSTRING(name)) sep \
218 action(SIMCALL_RDV_COMM_COUNT_BY_HOST, rdv_comm_count_by_host, WITH_ANSWER, TUINT(result), TSPEC(rdv, smx_rdv_t), TSPEC(host, smx_host_t)) sep \
219 action(SIMCALL_RDV_GET_HEAD, rdv_get_head, WITH_ANSWER, TSPEC(result, smx_action_t), TSPEC(rdv, smx_rdv_t)) sep \
220 action(SIMCALL_RDV_SET_RECV, rdv_set_receiver, WITH_ANSWER, TVOID(result), TSPEC(rdv, smx_rdv_t), TSPEC(receiver, smx_process_t)) sep \
221 action(SIMCALL_RDV_GET_RECV, rdv_get_receiver, WITH_ANSWER, TSPEC(result, smx_process_t), TSPEC(rdv, smx_rdv_t)) sep \
222 action(SIMCALL_COMM_IPROBE, comm_iprobe, WITH_ANSWER, TSPEC(result, smx_action_t), TSPEC(rdv, smx_rdv_t), TINT(src), TINT(tag), TSPEC(match_fun, simix_match_func_t), TPTR(data)) sep \
223 action(SIMCALL_COMM_SEND, comm_send, WITHOUT_ANSWER, TVOID(result), TSPEC(rdv, smx_rdv_t), TDOUBLE(task_size), TDOUBLE(rate), TPTR(src_buff), TSIZE(src_buff_size), TSPEC(match_fun, simix_match_func_t), TPTR(data), TDOUBLE(timeout)) sep \
224 action(SIMCALL_COMM_ISEND, comm_isend, WITH_ANSWER, TSPEC(result, smx_action_t), TSPEC(rdv, smx_rdv_t), TDOUBLE(task_size), TDOUBLE(rate), TPTR(src_buff), TSIZE(src_buff_size), TSPEC(match_fun, simix_match_func_t), TSPEC(clean_fun, simix_clean_func_t), TPTR(data), TINT(detached)) sep \
225 action(SIMCALL_COMM_RECV, comm_recv, WITHOUT_ANSWER, TVOID(result), TSPEC(rdv, smx_rdv_t), TPTR(dst_buff), TSPEC(dst_buff_size, size_t*), TSPEC(match_fun, simix_match_func_t), TPTR(data), TDOUBLE(timeout)) sep \
226 action(SIMCALL_COMM_IRECV, comm_irecv, WITH_ANSWER, TSPEC(result, smx_action_t), TSPEC(rdv, smx_rdv_t), TPTR(dst_buff), TSPEC(dst_buff_size, size_t*), TSPEC(match_fun, simix_match_func_t), TPTR(data)) sep \
227 action(SIMCALL_COMM_DESTROY, comm_destroy, WITH_ANSWER, TVOID(result), TSPEC(comm, smx_action_t)) sep \
228 action(SIMCALL_COMM_CANCEL, comm_cancel, WITH_ANSWER, TVOID(result), TSPEC(comm, smx_action_t)) sep \
229 action(SIMCALL_COMM_WAITANY, comm_waitany, WITHOUT_ANSWER, TINT(result), TSPEC(comms, xbt_dynar_t)) sep \
230 action(SIMCALL_COMM_WAIT, comm_wait, WITHOUT_ANSWER, TVOID(result), TSPEC(comm, smx_action_t), TDOUBLE(timeout)) sep \
231 action(SIMCALL_COMM_TEST, comm_test, WITHOUT_ANSWER, TINT(result), TSPEC(comm, smx_action_t)) sep \
232 action(SIMCALL_COMM_TESTANY, comm_testany, WITHOUT_ANSWER, TINT(result), TSPEC(comms, xbt_dynar_t)) sep \
233 action(SIMCALL_COMM_GET_REMAINS, comm_get_remains, WITH_ANSWER, TDOUBLE(result), TSPEC(comm, smx_action_t)) sep \
234 action(SIMCALL_COMM_GET_STATE, comm_get_state, WITH_ANSWER, TINT(result), TSPEC(comm, smx_action_t)) sep \
235 action(SIMCALL_COMM_GET_SRC_DATA, comm_get_src_data, WITH_ANSWER, TPTR(result), TSPEC(comm, smx_action_t)) sep \
236 action(SIMCALL_COMM_GET_DST_DATA, comm_get_dst_data, WITH_ANSWER, TPTR(result), TSPEC(comm, smx_action_t)) sep \
237 action(SIMCALL_COMM_GET_SRC_PROC, comm_get_src_proc, WITH_ANSWER, TSPEC(result, smx_process_t), TSPEC(comm, smx_action_t)) sep \
238 action(SIMCALL_COMM_GET_DST_PROC, comm_get_dst_proc, WITH_ANSWER, TSPEC(result, smx_process_t), TSPEC(comm, smx_action_t)) sep \
239 action(SIMCALL_MUTEX_INIT, mutex_init, WITH_ANSWER, TSPEC(result, smx_mutex_t)) sep \
240 action(SIMCALL_MUTEX_DESTROY, mutex_destroy, WITH_ANSWER, TVOID(result), TSPEC(mutex, smx_mutex_t)) sep \
241 action(SIMCALL_MUTEX_LOCK, mutex_lock, WITHOUT_ANSWER, TVOID(result), TSPEC(mutex, smx_mutex_t)) sep \
242 action(SIMCALL_MUTEX_TRYLOCK, mutex_trylock, WITH_ANSWER, TINT(result), TSPEC(mutex, smx_mutex_t)) sep \
243 action(SIMCALL_MUTEX_UNLOCK, mutex_unlock, WITH_ANSWER, TVOID(result), TSPEC(mutex, smx_mutex_t)) sep \
244 action(SIMCALL_COND_INIT, cond_init, WITH_ANSWER, TSPEC(result, smx_cond_t)) sep \
245 action(SIMCALL_COND_DESTROY, cond_destroy, WITH_ANSWER, TVOID(result), TSPEC(cond, smx_cond_t)) sep \
246 action(SIMCALL_COND_SIGNAL, cond_signal, WITH_ANSWER, TVOID(result), TSPEC(cond, smx_cond_t)) sep \
247 action(SIMCALL_COND_WAIT, cond_wait, WITHOUT_ANSWER, TVOID(result), TSPEC(cond, smx_cond_t), TSPEC(mutex, smx_mutex_t)) sep \
248 action(SIMCALL_COND_WAIT_TIMEOUT, cond_wait_timeout, WITHOUT_ANSWER, TVOID(result), TSPEC(cond, smx_cond_t), TSPEC(mutex, smx_mutex_t), TDOUBLE(timeout)) sep \
249 action(SIMCALL_COND_BROADCAST, cond_broadcast, WITH_ANSWER, TVOID(result), TSPEC(cond, smx_cond_t)) sep \
250 action(SIMCALL_SEM_INIT, sem_init, WITH_ANSWER, TSPEC(result, smx_sem_t), TINT(capacity)) sep \
251 action(SIMCALL_SEM_DESTROY, sem_destroy, WITH_ANSWER, TVOID(result), TSPEC(sem, smx_sem_t)) sep \
252 action(SIMCALL_SEM_RELEASE, sem_release, WITH_ANSWER, TVOID(result), TSPEC(sem, smx_sem_t)) sep \
253 action(SIMCALL_SEM_WOULD_BLOCK, sem_would_block, WITH_ANSWER, TINT(result), TSPEC(sem, smx_sem_t)) sep \
254 action(SIMCALL_SEM_ACQUIRE, sem_acquire, WITHOUT_ANSWER, TVOID(result), TSPEC(sem, smx_sem_t)) sep \
255 action(SIMCALL_SEM_ACQUIRE_TIMEOUT, sem_acquire_timeout, WITHOUT_ANSWER, TVOID(result), TSPEC(sem, smx_sem_t), TDOUBLE(timeout)) sep \
256 action(SIMCALL_SEM_GET_CAPACITY, sem_get_capacity, WITH_ANSWER, TINT(result), TSPEC(sem, smx_sem_t)) sep \
257 action(SIMCALL_FILE_READ, file_read, WITHOUT_ANSWER, TDOUBLE(result), TPTR(ptr), TSIZE(size), TSIZE(nmemb), TSPEC(stream, smx_file_t)) sep \
258 action(SIMCALL_FILE_WRITE, file_write, WITHOUT_ANSWER, TSIZE(result), TCPTR(ptr), TSIZE(size), TSIZE(nmemb), TSPEC(stream, smx_file_t)) sep \
259 action(SIMCALL_FILE_OPEN, file_open, WITHOUT_ANSWER, TSPEC(result, smx_file_t), TSTRING(mount), TSTRING(path), TSTRING(mode)) sep \
260 action(SIMCALL_FILE_CLOSE, file_close, WITHOUT_ANSWER, TINT(result), TSPEC(fp, smx_file_t)) sep \
261 action(SIMCALL_FILE_STAT, file_stat, WITHOUT_ANSWER, TINT(result), TSPEC(fd, smx_file_t), TSTAT(buf)) sep \
262 action(SIMCALL_FILE_UNLINK, file_unlink, WITHOUT_ANSWER, TINT(result), TSPEC(fd, smx_file_t)) sep \
263 action(SIMCALL_FILE_LS, file_ls, WITHOUT_ANSWER, TSPEC(result, xbt_dict_t), TSTRING(mount), TSTRING(path)) sep \
264 action(SIMCALL_ASR_GET_PROPERTIES, asr_get_properties, WITH_ANSWER, TSPEC(result, xbt_dict_t), TSTRING(name)) sep
266 /* SIMCALL_COMM_IS_LATENCY_BOUNDED and SIMCALL_SET_CATEGORY make things complicated
267 * because they are not always present */
268 #ifdef HAVE_LATENCY_BOUND_TRACKING
269 #define SIMCALL_LIST2(action, sep) \
270 action(SIMCALL_COMM_IS_LATENCY_BOUNDED, comm_is_latency_bounded, WITH_ANSWER, TINT(result), TSPEC(comm, smx_action_t)) sep
272 #define SIMCALL_LIST2(action, sep)
276 #define SIMCALL_LIST3(action, sep) \
277 action(SIMCALL_SET_CATEGORY, set_category, WITH_ANSWER, TVOID(result), TSPEC(action, smx_action_t), TSTRING(category)) sep
279 #define SIMCALL_LIST3(action, sep)
283 #define SIMCALL_LIST4(action, sep) \
284 action(SIMCALL_MC_SNAPSHOT, mc_snapshot, WITH_ANSWER, TPTR(result)) sep \
285 action(SIMCALL_MC_COMPARE_SNAPSHOTS, mc_compare_snapshots, WITH_ANSWER, TINT(result), TPTR(s1), TPTR(s2)) sep
287 #define SIMCALL_LIST4(action, sep)
290 /* SIMCALL_LIST is the final macro to use */
291 #define SIMCALL_LIST(action, ...) \
292 SIMCALL_LIST1(action, ##__VA_ARGS__)\
293 SIMCALL_LIST2(action, ##__VA_ARGS__)\
294 SIMCALL_LIST3(action, ##__VA_ARGS__)\
295 SIMCALL_LIST4(action, ##__VA_ARGS__)
298 /* you can redefine the following macro differently to generate something else
299 * with the list of enumeration values (e.g. a table of strings or a table of function pointers) */
300 #define SIMCALL_ENUM_ELEMENT(x, y) x
303 * \brief All possible simcalls.
307 SIMCALL_LIST(SIMCALL_ENUM, SIMCALL_SEP_COMMA)
308 SIMCALL_NEW_API_INIT,
312 typedef int (*simix_match_func_t)(void *, void *, smx_action_t);
313 typedef void (*simix_clean_func_t)(void *);
316 * \brief Prototypes of SIMIX
318 SIMCALL_LIST(SIMCALL_FUNC_PROTO, SIMCALL_SEP_NOTHING)
321 /* Pack all possible scalar types in an union */
341 * \brief Represents a simcall to the kernel.
343 typedef struct s_smx_simcall {
344 e_smx_simcall_t call;
345 smx_process_t issuer;
347 union u_smx_scalar *args;
348 union u_smx_scalar result;
349 //FIXME: union u_smx_scalar retval;
366 } host_get_properties;
376 } host_get_available_speed;
396 double computation_amount;
404 smx_host_t *host_list;
405 double *computation_amount;
406 double *communication_amount;
410 } host_parallel_execute;
413 smx_action_t execution;
414 } host_execution_destroy;
417 smx_action_t execution;
418 } host_execution_cancel;
421 smx_action_t execution;
423 } host_execution_get_remains;
426 smx_action_t execution;
427 e_smx_state_t result;
428 } host_execution_get_state;
431 smx_action_t execution;
433 } host_execution_set_priority;
436 smx_action_t execution;
437 struct s_smx_simcall *simcall;
438 e_smx_state_t result;
440 } host_execution_wait;
443 smx_process_t *process;
445 xbt_main_func_t code;
447 const char *hostname;
451 xbt_dict_t properties;
456 smx_process_t process;
460 smx_process_t process;
464 smx_process_t process;
466 } process_change_host;
469 smx_process_t process;
473 smx_process_t process;
481 smx_process_t process;
486 smx_process_t process;
491 smx_process_t process;
496 smx_process_t process;
501 smx_process_t process;
503 } process_is_suspended;
506 smx_process_t process;
508 } process_get_properties;
512 e_smx_state_t result;
516 smx_process_t process;
522 smx_process_t process;
524 } process_auto_restart;
527 smx_process_t process;
528 smx_process_t result;
549 } rdv_comm_count_by_host;
558 smx_process_t receiver;
563 smx_process_t result;
571 size_t src_buff_size;
572 int (*match_fun)(void *, void *, smx_action_t);
582 size_t src_buff_size;
583 int (*match_fun)(void *, void *, smx_action_t);
584 void (*clean_fun)(void *);
593 size_t *dst_buff_size;
594 int (*match_fun)(void *, void *, smx_action_t);
602 size_t *dst_buff_size;
603 int (*match_fun)(void *, void *, smx_action_t);
612 int (*match_fun)(void *, void *, smx_action_t);
652 e_smx_state_t result;
667 smx_process_t result;
672 smx_process_t result;
675 #ifdef HAVE_LATENCY_BOUND_TRACKING
679 } comm_is_latency_bounded;
685 const char *category;
762 } sem_acquire_timeout;
817 } asr_get_properties;
827 } mc_compare_snapshots;
829 /* ****************************************************************************************** */
830 /* TUTORIAL: New API */
831 /* ****************************************************************************************** */
839 } s_smx_simcall_t, *smx_simcall_t;
843 /******************************** General *************************************/
845 void SIMIX_simcall_push(smx_process_t self);
846 void SIMIX_simcall_answer(smx_simcall_t);
847 void SIMIX_simcall_pre(smx_simcall_t, int);
848 void SIMIX_simcall_post(smx_action_t);
849 smx_simcall_t SIMIX_simcall_mine(void);
850 const char *SIMIX_simcall_name(e_smx_simcall_t kind);
851 //TOFIX put it in a better place
852 xbt_dict_t SIMIX_pre_asr_get_properties(smx_simcall_t simcall, const char *name);
854 /*************************** New simcall interface ****************************/
856 #define SIMIX_pack_args(...) (u_smx_scalar_t[]){MAP(INIT_FIELD, __VA_ARGS__)}
860 * Define scalar type wrappers to ease the use of simcalls.
861 * These are used to wrap the arguments in SIMIX_simcall macro.
863 #define CHAR(x) (c,x)
864 #define STRING(x) (cc,x)
865 #define SHORT(x) (s,x)
867 #define LONG(x) (l,x)
868 #define UCHAR(x) (uc,x)
869 #define USHORT(x) (us,x)
870 #define UINT(x) (ui,x)
871 #define ULONG(x) (ul,x)
872 #define FLOAT(x) (f,x)
873 #define DOUBLE(x) (d,x)
877 * Some macro machinery to get a MAP over the arguments of a variadic macro.
878 * It uses a FOLD to apply a macro to every argument, and because there is
879 * no recursion in the C preprocessor we must create a new macro for every
880 * depth of FOLD's recursion.
884 #define FE_0(WHAT, X, ...)
885 #define FE_1(I, WHAT, X) WHAT(I, X)
886 #define FE_2(I, WHAT, X, ...) WHAT(I, X), FE_1(I+1, WHAT, __VA_ARGS__)
887 #define FE_3(I, WHAT, X, ...) WHAT(I, X), FE_2(I+1, WHAT, __VA_ARGS__)
888 #define FE_4(I, WHAT, X, ...) WHAT(I, X), FE_3(I+1, WHAT, __VA_ARGS__)
889 #define FE_5(I, WHAT, X, ...) WHAT(I, X), FE_4(I+1, WHAT, __VA_ARGS__)
890 #define FE_6(I, WHAT, X, ...) WHAT(I, X), FE_5(I+1, WHAT, __VA_ARGS__)
891 #define FE_7(I, WHAT, X, ...) WHAT(I, X), FE_6(I+1, WHAT, __VA_ARGS__)
892 #define FE_8(I, WHAT, X, ...) WHAT(I, X), FE_7(I+1, WHAT, __VA_ARGS__)
893 #define FE_9(I, WHAT, X, ...) WHAT(I, X), FE_8(I+1, WHAT, __VA_ARGS__)
894 #define FE_10(I, WHAT, X, ...) WHAT(I, X), FE_9(I+1, WHAT, __VA_ARGS__)
897 /* NOTE: add as many FE_n as needed (maximum number of simcall arguments )*/
899 /* Make a MAP macro usgin FOLD (will apply 'action' to the arguments.
900 * GET_MACRO is a smart hack that counts the number of arguments passed to
901 * the variadic macro, and it is used to invoke the right FOLD depth.
903 #define GET_MACRO(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,NAME,...) NAME
904 #define MAP(action, ...) \
905 GET_MACRO(, ##__VA_ARGS__, FE_10,FE_9,FE_8,FE_7,FE_6,FE_5,FE_4,FE_3,FE_2,FE_1, FE_0) (0, action, __VA_ARGS__)
907 /* Generate code to initialize the field 'x' with value 'y' of an structure or union */
908 #define INIT_FIELD_(x,y) {.x = y}
909 #define INIT_FIELD(t) INIT_FIELD_ t
911 /* Project the second element of a tuple */
912 #define SECOND_(x, y) y
913 #define SECOND(t) SECOND_ t
916 * \brief Simcall invocation macro
917 * It calls a dummy function that uses the format attribute to ensure typesafety (see
918 * gcc format attribute), then it invokes the real simcall function packing the
919 * user provided arguments in an array.
920 * \param id a simcall id (from the simcall enumeration ids)
923 #define SIMIX_simcall(id, ...) \
924 SIMIX_simcall_typecheck(simcall_types[id], MAP(SECOND, __VA_ARGS__)); \
925 __SIMIX_simcall(id, (u_smx_scalar_t[]){MAP(INIT_FIELD, __VA_ARGS__)})
927 smx_simcall_t __SIMIX_simcall(e_smx_simcall_t simcall_id, u_smx_scalar_t *args);
930 * \biref Dummy variadic function used to typecheck the arguments of a simcall
931 * \param fmt A format string following printf style
933 void SIMIX_simcall_typecheck(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
935 typedef smx_action_t (*simcall_handler_t)(u_smx_scalar_t *);
937 extern const char *simcall_types[];
938 extern simcall_handler_t simcall_table[];