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/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_pfn_smxprocess_t cleanup_func,
23 static void smx_ctx_ruby_stop(smx_context_t context);
24 static void smx_ctx_ruby_suspend(smx_context_t context);
25 static void smx_ctx_ruby_resume(smx_context_t new_context);
26 static void smx_ctx_ruby_runall(xbt_dynar_t processes);
28 void SIMIX_ctx_ruby_factory_init(smx_context_factory_t * factory)
30 smx_ctx_base_factory_init(factory);
32 (*factory)->create_context = smx_ctx_ruby_create_context;
33 /* Do not overload that method (*factory)->finalize */
34 /* Do not overload that method (*factory)->free */
35 (*factory)->stop = smx_ctx_ruby_stop;
36 (*factory)->suspend = smx_ctx_ruby_suspend;
37 (*factory)->name = "smx_ruby_context_factory";
38 (*factory)->runall = smx_ctx_ruby_runall;
44 smx_ctx_ruby_create_context(xbt_main_func_t code, int argc, char **argv,
45 void_pfn_smxprocess_t cleanup_func, void *data)
48 smx_ctx_ruby_t context = (smx_ctx_ruby_t)
49 smx_ctx_base_factory_create_context_sized(sizeof(s_smx_ctx_ruby_t),
53 /* if the user provided a function for the process , then use it
54 Otherwise it's the context for maestro */
56 context->process = (VALUE) code;
58 DEBUG1("smx_ctx_ruby_create_context(%s)...Done", argv[0]);
61 return (smx_context_t) context;
64 static void smx_ctx_ruby_stop(smx_context_t context)
66 DEBUG0("smx_ctx_ruby_stop()");
68 smx_ctx_ruby_t ctx_ruby, current;
70 smx_ctx_base_stop(context);
72 ctx_ruby = (smx_ctx_ruby_t) context;
74 if (smx_current_context->iwannadie) {
75 if (ctx_ruby->process) {
77 //if the Ruby Process still Alive ,let's Schedule it
78 if (rb_process_isAlive(ctx_ruby->process)) {
80 current = (smx_ctx_ruby_t) smx_current_context;
81 rb_process_schedule(current->process);
82 process = ctx_ruby->process;
83 // interupt/kill The Ruby Process
84 rb_process_kill_up(process);
89 if (ctx_ruby->process)
90 ctx_ruby->process = Qnil;
95 static void smx_ctx_ruby_suspend(smx_context_t context)
98 DEBUG1("smx_ctx_ruby_suspend(%s)", context->argv[0]);
99 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) context;
100 if (ctx_ruby->process)
101 rb_process_unschedule(ctx_ruby->process);
104 static void smx_ctx_ruby_resume(smx_context_t new_context)
106 DEBUG1("smx_ctx_ruby_resume(%s)",
107 (new_context->argc ? new_context->argv[0] : "maestro"));
109 smx_ctx_ruby_t ctx_ruby = (smx_ctx_ruby_t) new_context;
110 rb_process_schedule(ctx_ruby->process);
113 static void smx_ctx_ruby_runall(xbt_dynar_t processes)
115 smx_process_t process;
116 smx_context_t old_context;
119 xbt_dynar_foreach(processes, cursor, process) {
120 old_context = smx_current_context;
121 smx_current_context = process->context;
122 smx_ctx_ruby_resume(smx_current_context);
123 smx_current_context = old_context;
125 xbt_dynar_reset(processes);