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_ {
24 smx_process_t s_process;
30 static int xbt_thread_create_wrapper(int argc, char *argv[]) {
31 xbt_thread_t t = (xbt_thread_t)SIMIX_process_get_data(SIMIX_process_self());
32 SIMIX_process_set_data(SIMIX_process_self(),t->father_data);
33 (*t->code)(t->userparam);
37 xbt_thread_t xbt_thread_create(void_f_pvoid_t* code, void* param) {
38 xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
39 res->userparam = param;
41 res->father_data = SIMIX_process_get_data(SIMIX_process_self());
42 char*name = bprintf("%s#%p",SIMIX_process_get_name(SIMIX_process_self()), param);
43 res->s_process = SIMIX_process_create(name,
44 xbt_thread_create_wrapper, res,
45 SIMIX_host_get_name(SIMIX_host_self()),
52 xbt_thread_join(xbt_thread_t thread) {
53 THROW_UNIMPLEMENTED; /* FIXME */
57 xbt_thread_cancel(xbt_thread_t thread) {
58 SIMIX_process_kill(thread->s_process);
62 void xbt_thread_exit() {
63 xbt_thread_t me=SIMIX_process_get_data(SIMIX_process_self());
64 SIMIX_process_kill(me->s_process);
68 xbt_thread_t xbt_thread_self(void) {
69 return SIMIX_process_get_data(SIMIX_process_self());
72 void xbt_thread_yield(void) {
73 THROW_UNIMPLEMENTED; /* FIXME */
76 /****** mutex related functions ******/
79 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
80 xbt_swag_t sleeping; /* list of sleeping process */
82 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
86 xbt_mutex_t xbt_mutex_init(void) {
87 return (xbt_mutex_t)SIMIX_mutex_init();
90 void xbt_mutex_lock(xbt_mutex_t mutex) {
91 SIMIX_mutex_lock( (smx_mutex_t)mutex) ;
94 void xbt_mutex_unlock(xbt_mutex_t mutex) {
95 SIMIX_mutex_unlock( (smx_mutex_t)mutex );
98 void xbt_mutex_destroy(xbt_mutex_t mutex) {
99 SIMIX_mutex_destroy( (smx_mutex_t)mutex );
102 /***** condition related functions *****/
105 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
106 xbt_swag_t sleeping; /* list of sleeping process */
108 xbt_fifo_t actions; /* list of actions */
109 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
113 xbt_cond_t xbt_cond_init(void) {
114 return (xbt_cond_t)SIMIX_cond_init();
117 void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
118 SIMIX_cond_wait( (smx_cond_t)cond , (smx_mutex_t)mutex );
121 void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay) {
122 SIMIX_cond_wait_timeout( (smx_cond_t)cond , (smx_mutex_t)mutex, delay );
125 void xbt_cond_signal(xbt_cond_t cond) {
126 SIMIX_cond_signal( (smx_cond_t)cond );
129 void xbt_cond_broadcast(xbt_cond_t cond){
130 SIMIX_cond_broadcast( (smx_cond_t)cond );
132 void xbt_cond_destroy(xbt_cond_t cond){
133 SIMIX_cond_destroy( (smx_cond_t)cond );