3 /* xbt_synchro -- Synchronization virtualized depending on whether we are */
4 /* in simulation or real life (act on simulated processes) */
6 /* This is the simulation implementation, using simix. */
8 /* Copyright 2006,2007 Malek Cherier, Martin Quinson
9 * All right reserved. */
11 /* This program is free software; you can redistribute it and/or modify it
12 * under the terms of the license (GNU LGPL) which comes with this package. */
16 #include "xbt/synchro.h" /* This module */
18 #include "simix/simix.h" /* used implementation */
19 #include "simix/datatypes.h"
21 /* the implementation would be cleaner (and faster) with ELF symbol aliasing */
23 typedef struct s_xbt_thread_ {
25 smx_process_t s_process;
31 static int xbt_thread_create_wrapper(int argc, char *argv[]) {
32 xbt_thread_t t = (xbt_thread_t)SIMIX_process_get_data(SIMIX_process_self());
33 SIMIX_process_set_data(SIMIX_process_self(),t->father_data);
34 (*t->code)(t->userparam);
40 xbt_thread_t xbt_thread_create(const char*name,void_f_pvoid_t code, void* param) {
41 xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
42 res->name = xbt_strdup(name);
43 res->userparam = param;
45 res->father_data = SIMIX_process_get_data(SIMIX_process_self());
46 // char*name = bprintf("%s#%p",SIMIX_process_get_name(SIMIX_process_self()), param);
47 res->s_process = SIMIX_process_create(name,
48 xbt_thread_create_wrapper, res,
49 SIMIX_host_get_name(SIMIX_host_self()),
50 0,NULL,/*props*/NULL);
55 const char* xbt_thread_name(xbt_thread_t t) {
59 const char* xbt_thread_self_name(void) {
60 xbt_thread_t me = xbt_thread_self();
61 return me ? me->name : "maestro";
66 xbt_thread_join(xbt_thread_t thread) {
67 THROW_UNIMPLEMENTED; /* FIXME */
71 xbt_thread_cancel(xbt_thread_t thread) {
72 SIMIX_process_kill(thread->s_process);
77 void xbt_thread_exit() {
78 xbt_thread_t me=SIMIX_process_get_data(SIMIX_process_self());
79 SIMIX_process_kill(me->s_process);
83 xbt_thread_t xbt_thread_self(void) {
84 smx_process_t p = SIMIX_process_self();
85 return p ? SIMIX_process_get_data(p) : NULL;
88 void xbt_thread_yield(void) {
89 THROW_UNIMPLEMENTED; /* FIXME */
92 /****** mutex related functions ******/
95 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
96 xbt_swag_t sleeping; /* list of sleeping process */
98 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
102 xbt_mutex_t xbt_mutex_init(void) {
103 return (xbt_mutex_t)SIMIX_mutex_init();
106 void xbt_mutex_acquire(xbt_mutex_t mutex) {
107 SIMIX_mutex_lock( (smx_mutex_t)mutex) ;
110 void xbt_mutex_release(xbt_mutex_t mutex) {
111 SIMIX_mutex_unlock( (smx_mutex_t)mutex );
114 void xbt_mutex_destroy(xbt_mutex_t mutex) {
115 SIMIX_mutex_destroy( (smx_mutex_t)mutex );
118 /***** condition related functions *****/
121 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
122 xbt_swag_t sleeping; /* list of sleeping process */
124 xbt_fifo_t actions; /* list of actions */
125 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
129 xbt_cond_t xbt_cond_init(void) {
130 return (xbt_cond_t)SIMIX_cond_init();
133 void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
134 SIMIX_cond_wait( (smx_cond_t)cond , (smx_mutex_t)mutex );
137 void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay) {
138 SIMIX_cond_wait_timeout( (smx_cond_t)cond , (smx_mutex_t)mutex, delay );
141 void xbt_cond_signal(xbt_cond_t cond) {
142 SIMIX_cond_signal( (smx_cond_t)cond );
145 void xbt_cond_broadcast(xbt_cond_t cond){
146 SIMIX_cond_broadcast( (smx_cond_t)cond );
148 void xbt_cond_destroy(xbt_cond_t cond){
149 SIMIX_cond_destroy( (smx_cond_t)cond );