X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/03d36345c4247a907709b86c189a53f5f85bea88..2a40fc047aa61d2fce966a98fe37945e4942b346:/src/simix/popping_private.h diff --git a/src/simix/popping_private.h b/src/simix/popping_private.h index 8eefe725ac..c04b0b2d1a 100644 --- a/src/simix/popping_private.h +++ b/src/simix/popping_private.h @@ -1,69 +1,230 @@ -/* Copyright (c) 2007-2010, 2012-2014. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2007-2017. 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. */ -#ifndef _POPPING_PRIVATE_H -#define _POPPING_PRIVATE_H +#ifndef SG_POPPING_PRIVATE_H +#define SG_POPPING_PRIVATE_H + +#include +#include + +#include +#include + +#include SG_BEGIN_DECL() /********************************* Simcalls *********************************/ -XBT_PUBLIC(const char*) simcall_names[]; /* Name of each simcall */ +XBT_PUBLIC_DATA(const char*) simcall_names[]; /* Name of each simcall */ #include "popping_enum.h" /* Definition of e_smx_simcall_t, with one value per simcall */ -#include "mc/mc_interface.h" /* Definition of mc_snapshot_t, used by one simcall */ -typedef int (*simix_match_func_t)(void *, void *, smx_synchro_t); -typedef void (*simix_copy_data_func_t)(smx_synchro_t, void*, size_t); +typedef int (*simix_match_func_t)(void *, void *, smx_activity_t); +typedef void (*simix_copy_data_func_t)(smx_activity_t, void*, size_t); typedef void (*simix_clean_func_t)(void *); typedef void (*FPtr)(void); // Hide the ugliness /* Pack all possible scalar types in an union */ union u_smx_scalar { char c; - const char* cc; short s; int i; long l; + long long ll; unsigned char uc; unsigned short us; unsigned int ui; unsigned long ul; - float f; + unsigned long long ull; double d; - size_t sz; - sg_size_t sgsz; - sg_offset_t sgoff; void* dp; FPtr fp; - const void* cp; }; /** * \brief Represents a simcall to the kernel. */ -typedef struct s_smx_simcall { +struct s_smx_simcall { e_smx_simcall_t call; - smx_process_t issuer; + smx_actor_t issuer; + smx_timer_t timer; int mc_value; union u_smx_scalar args[11]; union u_smx_scalar result; -} s_smx_simcall_t, *smx_simcall_t; +}; #define SIMCALL_SET_MC_VALUE(simcall, value) ((simcall)->mc_value = (value)) #define SIMCALL_GET_MC_VALUE(simcall) ((simcall)->mc_value) -#include "popping_accessors.h" - /******************************** General *************************************/ -void SIMIX_simcall_answer(smx_simcall_t); -void SIMIX_simcall_handle(smx_simcall_t, int); -void SIMIX_simcall_exit(smx_synchro_t); -const char *SIMIX_simcall_name(e_smx_simcall_t kind); +XBT_PRIVATE void SIMIX_simcall_answer(smx_simcall_t simcall); +XBT_PRIVATE void SIMIX_simcall_handle(smx_simcall_t simcall, int value); +XBT_PRIVATE void SIMIX_simcall_exit(smx_activity_t synchro); +XBT_PRIVATE const char *SIMIX_simcall_name(e_smx_simcall_t kind); +XBT_PRIVATE void SIMIX_run_kernel(std::function const* code); +XBT_PRIVATE void SIMIX_run_blocking(std::function const* code); SG_END_DECL() +#ifdef __cplusplus + +/* Defines the marshal/unmarshal functions for each type of parameters. + * + * They will be used in popping_accessors.h to define the functions allowing + * to retrieve/set each parameter of each simcall. + * + * There is a unmarshal_raw() function, which is exactly similar to unmarshal() + * for all types but boost::intrusive_ptr(T). For that type, the unmarshal() + * function builds a new intrusive_ptr wrapping the pointer (that is stored raw + * within the simcall) while the unmarshal_raw retrieves the raw pointer. + * + * This is used in _getraw_ functions, that allow the + * model-checker, to read the data in the remote memory of the MCed. + */ + +namespace simgrid { +namespace simix { + +template +class type { + constexpr bool operator==(type) const { return true; } + template + constexpr bool operator==(type) const { return false; } + constexpr bool operator!=(type) const { return false; } + template + constexpr bool operator!=(type) const { return true; } +}; + +template struct marshal_t {}; +#define SIMIX_MARSHAL(T, field) \ + inline void marshal(type, u_smx_scalar& simcall, T value) { simcall.field = value; } \ + inline T unmarshal(type, u_smx_scalar const& simcall) { return simcall.field; } \ + inline T unmarshal_raw(type, u_smx_scalar const& simcall) \ + { /* Exactly same as unmarshal. It differs only for intrusive_ptr */ return simcall.field; } + +SIMIX_MARSHAL(char, c); +SIMIX_MARSHAL(short, s); +SIMIX_MARSHAL(int, i); +SIMIX_MARSHAL(long, l); +SIMIX_MARSHAL(unsigned char, uc); +SIMIX_MARSHAL(unsigned short, us); +SIMIX_MARSHAL(unsigned int, ui); +SIMIX_MARSHAL(unsigned long, ul); +SIMIX_MARSHAL(unsigned long long, ull); +SIMIX_MARSHAL(long long, ll); +SIMIX_MARSHAL(float, d); +SIMIX_MARSHAL(double, d); +SIMIX_MARSHAL(FPtr, fp); + +inline void unmarshal(type, u_smx_scalar const& simcall) +{ + /* Nothing to do for void data */ +} +inline void unmarshal_raw(type, u_smx_scalar const& simcall) +{ + /* Nothing to do for void data */ +} + +template inline +void marshal(type, u_smx_scalar& simcall, T* value) +{ + simcall.dp = (void*) value; +} +template inline +T* unmarshal(type, u_smx_scalar const& simcall) +{ + return static_cast(simcall.dp); +} +template inline T* unmarshal_raw(type, u_smx_scalar const& simcall) +{ + return static_cast(simcall.dp); +} + +template +inline void marshal(type>, u_smx_scalar& simcall, boost::intrusive_ptr value) +{ + if (value.get() == nullptr) { // Sometimes we return nullptr in an intrusive_ptr... + simcall.dp = nullptr; + } else { + intrusive_ptr_add_ref(&*value); + simcall.dp = static_cast(&*value); + } +} +template inline boost::intrusive_ptr unmarshal(type>, u_smx_scalar const& simcall) +{ + // refcount was already increased during the marshaling, thus the "false" as last argument + boost::intrusive_ptr res = boost::intrusive_ptr(static_cast(simcall.dp), false); + return res; +} +template inline T* unmarshal_raw(type>, u_smx_scalar const& simcall) +{ + return static_cast(simcall.dp); +} + +template inline +void marshal(type, u_smx_scalar& simcall, R(*value)(T...)) +{ + simcall.fp = (FPtr) value; +} +template inline +auto unmarshal(type, u_smx_scalar simcall) -> R(*)(T...) +{ + return (R(*)(T...)) simcall.fp; +} +template inline auto unmarshal_raw(type, u_smx_scalar simcall) -> R (*)(T...) +{ + return (R(*)(T...))simcall.fp; +} + +template inline +void marshal(u_smx_scalar& simcall, T const& value) +{ + return marshal(type(), simcall, value); +} +template inline +typename std::remove_reference::type unmarshal(u_smx_scalar& simcall) +{ + return unmarshal(type(), simcall); +} +template inline typename std::remove_reference::type unmarshal_raw(u_smx_scalar& simcall) +{ + return unmarshal(type(), simcall); +} + +template +inline void marshalArgs(smx_simcall_t simcall) {} + +template +inline void marshalArgs(smx_simcall_t simcall, A const& a) +{ + marshal(simcall->args[I], a); +} + +template +inline void marshalArgs(smx_simcall_t simcall, A const& a, B const&... b) +{ + marshal(simcall->args[I], a); + marshalArgs(simcall, b...); +} + +/** Initialize the simcall */ +template inline +void marshal(smx_simcall_t simcall, e_smx_simcall_t call, A const&... a) +{ + simcall->call = call; + memset(&simcall->result, 0, sizeof(simcall->result)); + memset(simcall->args, 0, sizeof(simcall->args)); + marshalArgs<0>(simcall, a...); +} + +} +} + +#endif + +#include "popping_accessors.h" + #endif