1 /* context_Ruby - implementation of context switching with/for ruby */
3 /* Copyright (c) 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * 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/smx_context.h"
15 #include "bindings/ruby_bindings.h"
17 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ruby);
20 smx_ctx_ruby_create_context(xbt_main_func_t code, int argc, char **argv,
21 void_pfn_smxprocess_t cleanup_func,
24 static void smx_ctx_ruby_stop(smx_context_t context);
25 static void smx_ctx_ruby_suspend(smx_context_t context);
26 static void smx_ctx_ruby_resume(smx_context_t new_context);
27 static void smx_ctx_ruby_runall(xbt_swag_t processes);
29 void SIMIX_ctx_ruby_factory_init(smx_context_factory_t * factory)
31 smx_ctx_base_factory_init(factory);
33 (*factory)->create_context = smx_ctx_ruby_create_context;
34 /* Do not overload that method (*factory)->finalize */
35 /* Do not overload that method (*factory)->free */
36 (*factory)->stop = smx_ctx_ruby_stop;
37 (*factory)->suspend = smx_ctx_ruby_suspend;
38 (*factory)->name = "smx_ruby_context_factory";
39 (*factory)->runall = smx_ctx_ruby_runall;
45 smx_ctx_ruby_create_context(xbt_main_func_t code, int argc, char **argv,
46 void_pfn_smxprocess_t cleanup_func, void *data)
49 smx_ctx_ruby_t context = (smx_ctx_ruby_t)
50 smx_ctx_base_factory_create_context_sized(sizeof(s_smx_ctx_ruby_t),
54 /* if the user provided a function for the process , then use it
55 Otherwise it's the context for maestro */
57 context->process = (VALUE) code;
59 DEBUG1("smx_ctx_ruby_create_context(%s)...Done", argv[0]);
62 return (smx_context_t) context;
65 static void smx_ctx_ruby_stop(smx_context_t context)
67 DEBUG0("smx_ctx_ruby_stop()");
69 smx_ctx_ruby_t ctx_ruby, current;
71 smx_ctx_base_stop(context);
73 ctx_ruby = (smx_ctx_ruby_t) context;
75 if (((smx_process_t)smx_current_context->data)->iwannadie) {
76 if (ctx_ruby->process) {
78 //if the Ruby Process still Alive ,let's Schedule it
79 if (rb_process_isAlive(ctx_ruby->process)) {
81 current = (smx_ctx_ruby_t) smx_current_context;
82 rb_process_schedule(current->process);
83 process = ctx_ruby->process;
84 // interupt/kill The Ruby Process
85 rb_process_kill_up(process);
90 if (ctx_ruby->process)
91 ctx_ruby->process = Qnil;
96 static void smx_ctx_ruby_suspend(smx_context_t context)
99 DEBUG1("smx_ctx_ruby_suspend(%s)", context->argv[0]);
100 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) context;
101 if (ctx_ruby->process)
102 rb_process_unschedule(ctx_ruby->process);
105 static void smx_ctx_ruby_resume(smx_context_t new_context)
107 DEBUG1("smx_ctx_ruby_resume(%s)",
108 (new_context->argc ? new_context->argv[0] : "maestro"));
110 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) new_context;
111 rb_process_schedule(ctx_ruby->process);
114 static void smx_ctx_ruby_runall(xbt_swag_t processes)
116 smx_process_t process;
117 smx_context_t old_context;
118 while ((process = xbt_swag_extract(processes))) {
119 old_context = smx_current_context;
120 smx_current_context = process->context;
121 smx_ctx_ruby_resume(smx_current_context);
122 smx_current_context = old_context;