1 /* context_Ruby - implementation of context switching with/for ruby */
3 /* Copyright (c) 2010, the SimGrid team. All right reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "xbt/function_types.h"
10 #include "xbt/sysdep.h"
12 #include "xbt/asserts.h"
14 #include "bindings/ruby_bindings.h"
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ruby);
19 smx_ctx_ruby_create_context(xbt_main_func_t code,int argc,char** argv,
20 void_f_pvoid_t cleanup_func,void *cleanup_arg);
22 static int smx_ctx_ruby_factory_finalize(smx_context_factory_t *factory);
23 static void smx_ctx_ruby_free(smx_context_t context);
24 static void smx_ctx_ruby_start(smx_context_t context);
25 static void smx_ctx_ruby_stop(smx_context_t context);
26 static void smx_ctx_ruby_suspend(smx_context_t context);
28 smx_ctx_ruby_resume(smx_context_t old_context,smx_context_t new_context);
29 static void smx_ctx_ruby_wrapper(void);
32 void SIMIX_ctx_ruby_factory_init(smx_context_factory_t *factory) {
33 *factory = xbt_new0(s_smx_context_factory_t,1);
35 (*factory)->create_context = smx_ctx_ruby_create_context;
36 (*factory)->finalize = smx_ctx_ruby_factory_finalize;
37 (*factory)->free = smx_ctx_ruby_free;
38 (*factory)->start = smx_ctx_ruby_start;
39 (*factory)->stop = smx_ctx_ruby_stop;
40 (*factory)->suspend = smx_ctx_ruby_suspend;
41 (*factory)->resume = smx_ctx_ruby_resume;
42 (*factory)->name = "smx_ruby_context_factory";
47 static int smx_ctx_ruby_factory_finalize(smx_context_factory_t *factory) {
54 smx_ctx_ruby_create_context(xbt_main_func_t code,int argc,char** argv,
55 void_f_pvoid_t cleanup_func,void* cleanup_arg) {
57 smx_ctx_ruby_t context = xbt_new0(s_smx_ctx_ruby_t,1);
59 /* if the user provided a function for the process , then use it
60 Otherwise it's the context for maestro */
62 context->cleanup_func = cleanup_func;
63 context->cleanup_arg = cleanup_arg;
64 context->process = (VALUE)code;
68 DEBUG1("smx_ctx_ruby_create_context(%s)...Done",argv[0]);
70 return (smx_context_t) context;
73 static void smx_ctx_ruby_free(smx_context_t context) {
77 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) context;
79 if (ctx_ruby->process){
80 // if the Ruby Process is Alive , Join it
81 // if ( process_isAlive(ctx_ruby->process))
83 process = ctx_ruby->process;
84 ctx_ruby->process = Qnil;
85 process_join(process);
93 DEBUG1("smx_ctx_ruby_free_context(%p)",context);
99 static void smx_ctx_ruby_start(smx_context_t context) {
100 DEBUG1("smx_ctx_ruby_start(%s) (nothing to do)",context->argv[0]);
101 /* Already Done .. Since a Ruby process is launched within initialization
102 We Start it Within the Initializer ... We Use the Semaphore To Keep
103 the thread alive waiting for mutex signal to execute the main*/
106 static void smx_ctx_ruby_stop(smx_context_t context) {
107 DEBUG0("smx_ctx_ruby_stop()");
109 VALUE process = Qnil;
110 smx_ctx_ruby_t ctx_ruby,current;
112 if ( context->cleanup_func)
113 (*(context->cleanup_func)) (context->cleanup_arg);
115 ctx_ruby = (smx_ctx_ruby_t) context;
117 // Well , Let's Do The Same as JNI Stoppin' Process
118 if ( simix_global->current_process->iwannadie ) {
119 if( ctx_ruby->process ) {
120 //if the Ruby Process still Alive ,let's Schedule it
121 if ( rb_process_isAlive( ctx_ruby->process ) ) {
122 current = (smx_ctx_ruby_t)simix_global->current_process->context;
123 rb_process_schedule(current->process);
124 process = ctx_ruby->process;
125 // interupt/kill The Ruby Process
126 rb_process_kill_up(process);
130 process = ctx_ruby->process;
131 ctx_ruby->process = Qnil;
135 static void smx_ctx_ruby_suspend(smx_context_t context) {
137 DEBUG1("smx_ctx_ruby_suspend(%s)",context->argv[0]);
138 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) context;
139 if (ctx_ruby->process)
140 rb_process_unschedule(ctx_ruby->process);
143 static void smx_ctx_ruby_resume(smx_context_t old_context,smx_context_t new_context) {
144 DEBUG2("smx_ctx_ruby_resume(%s,%s)",
145 (old_context->argc?old_context->argv[0]:"maestro"),
146 (new_context->argc?new_context->argv[0]:"maestro"));
148 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) new_context;
149 rb_process_schedule(ctx_ruby->process);
151 // DEBUG1("smx_ctx_ruby_schedule(%s)...Done",
152 // (new_context->argc?new_context->argv[0]:"maestro"));