X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dc061ae1d3507d0e3b7d3569553b31cb6709702e..a6a397ff4796b51612a295c39ce1f762ea9933e6:/src/simix/smx_context_sysv.c diff --git a/src/simix/smx_context_sysv.c b/src/simix/smx_context_sysv.c index fe0f7ac161..afa54030fe 100644 --- a/src/simix/smx_context_sysv.c +++ b/src/simix/smx_context_sysv.c @@ -22,7 +22,7 @@ XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_context); typedef struct s_smx_ctx_sysv { - SMX_CTX_BASE_T; + s_smx_ctx_base_t super; /* Fields of super implementation */ ucontext_t uc; /* the thread that execute the code */ char stack[STACK_SIZE]; /* the thread stack size */ #ifdef HAVE_VALGRIND_VALGRIND_H @@ -34,8 +34,6 @@ static smx_context_t smx_ctx_sysv_factory_create_context(xbt_main_func_t code, int argc, char** argv, void_f_pvoid_t cleanup_func, void* cleanup_arg); -static int smx_ctx_sysv_factory_finalize(smx_context_factory_t *factory); - static void smx_ctx_sysv_free(smx_context_t context); static void smx_ctx_sysv_stop(smx_context_t context); static void smx_ctx_sysv_suspend(smx_context_t context); @@ -43,12 +41,12 @@ static void smx_ctx_sysv_resume(smx_context_t new_context); static void smx_ctx_sysv_wrapper(void); -void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory) -{ - *factory = xbt_new0(s_smx_context_factory_t, 1); +void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory) { + + smx_ctx_base_factory_init(factory); (*factory)->create_context = smx_ctx_sysv_factory_create_context; - (*factory)->finalize = smx_ctx_sysv_factory_finalize; + /* Do not overload that method (*factory)->finalize */ (*factory)->free = smx_ctx_sysv_free; (*factory)->stop = smx_ctx_sysv_stop; (*factory)->suspend = smx_ctx_sysv_suspend; @@ -56,23 +54,16 @@ void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory) (*factory)->name = "smx_sysv_context_factory"; } -static int smx_ctx_sysv_factory_finalize(smx_context_factory_t * factory) -{ - free(*factory); - *factory = NULL; - return 0; -} - static smx_context_t smx_ctx_sysv_factory_create_context(xbt_main_func_t code, int argc, char** argv, void_f_pvoid_t cleanup_func, void* cleanup_arg) { - smx_ctx_sysv_t context = xbt_new0(s_smx_ctx_sysv_t, 1); + smx_ctx_sysv_t context = (smx_ctx_sysv_t)smx_ctx_base_factory_create_context_sized + (sizeof(s_smx_ctx_sysv_t), code,argc,argv,cleanup_func,cleanup_arg); /* If the user provided a function for the process then use it otherwise is the context for maestro */ if(code){ - context->code = code; xbt_assert2(getcontext(&(context->uc)) == 0, "Error in context saving: %d (%s)", errno, strerror(errno)); @@ -92,49 +83,28 @@ smx_ctx_sysv_factory_create_context(xbt_main_func_t code, int argc, char** argv, context->uc.uc_stack.ss_size); #endif /* HAVE_VALGRIND_VALGRIND_H */ - context->argc = argc; - context->argv = argv; - context->cleanup_func = cleanup_func; - context->cleanup_arg = cleanup_arg; - makecontext(&((smx_ctx_sysv_t)context)->uc, smx_ctx_sysv_wrapper, 0); } return (smx_context_t)context; } -static void smx_ctx_sysv_free(smx_context_t pcontext) -{ - int i; - smx_ctx_sysv_t context = (smx_ctx_sysv_t)pcontext; +static void smx_ctx_sysv_free(smx_context_t context) { + if (context){ #ifdef HAVE_VALGRIND_VALGRIND_H VALGRIND_STACK_DEREGISTER(((smx_ctx_sysv_t) context)->valgrind_stack_id); #endif /* HAVE_VALGRIND_VALGRIND_H */ - /* free argv */ - if (context->argv) { - for (i = 0; i < context->argc; i++) - if (context->argv[i]) - free(context->argv[i]); - - free(context->argv); - } - - /* destroy the context */ - free(context); } + smx_ctx_base_free(context); } -static void smx_ctx_sysv_stop(smx_context_t pcontext) -{ - smx_ctx_sysv_t context = (smx_ctx_sysv_t)pcontext; - - if (context->cleanup_func) - (*context->cleanup_func) (context->cleanup_arg); +static void smx_ctx_sysv_stop(smx_context_t context) { + smx_ctx_base_stop(context); - smx_ctx_sysv_suspend(pcontext); + smx_ctx_sysv_suspend(context); } static void smx_ctx_sysv_wrapper() @@ -149,26 +119,24 @@ static void smx_ctx_sysv_wrapper() smx_ctx_sysv_t context = (smx_ctx_sysv_t)simix_global->current_process->context; - (context->code) (context->argc, context->argv); + (context->super.code) (context->super.argc, context->super.argv); smx_ctx_sysv_stop((smx_context_t)context); } static void smx_ctx_sysv_suspend(smx_context_t context) { - int rv; ucontext_t maestro_ctx = ((smx_ctx_sysv_t)simix_global->maestro_process->context)->uc; - rv = swapcontext(&((smx_ctx_sysv_t) context)->uc, &maestro_ctx); + int rv = swapcontext(&((smx_ctx_sysv_t) context)->uc, &maestro_ctx); xbt_assert0((rv == 0), "Context swapping failure"); } static void smx_ctx_sysv_resume(smx_context_t new_context) { - int rv; smx_ctx_sysv_t maestro = (smx_ctx_sysv_t)simix_global->maestro_process->context; - rv = swapcontext(&(maestro->uc), &((smx_ctx_sysv_t)new_context)->uc); + int rv = swapcontext(&(maestro->uc), &((smx_ctx_sysv_t)new_context)->uc); xbt_assert0((rv == 0), "Context swapping failure"); }