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 res->s_process = SIMIX_process_create(NULL,
43 xbt_thread_create_wrapper, res,
44 SIMIX_host_get_name(SIMIX_host_self()),
50 xbt_thread_join(xbt_thread_t thread) {
51 THROW_UNIMPLEMENTED; /* FIXME */
55 xbt_thread_cancel(xbt_thread_t thread) {
56 SIMIX_process_kill(thread->s_process);
60 void xbt_thread_exit() {
61 xbt_thread_t me=SIMIX_process_get_data(SIMIX_process_self());
62 SIMIX_process_kill(me->s_process);
66 xbt_thread_t xbt_thread_self(void) {
67 return SIMIX_process_get_data(SIMIX_process_self());
70 void xbt_thread_yield(void) {
71 THROW_UNIMPLEMENTED; /* FIXME */
74 /****** mutex related functions ******/
77 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
78 xbt_swag_t sleeping; /* list of sleeping process */
80 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
84 xbt_mutex_t xbt_mutex_init(void) {
85 return (xbt_mutex_t)SIMIX_mutex_init();
88 void xbt_mutex_lock(xbt_mutex_t mutex) {
89 SIMIX_mutex_lock( (smx_mutex_t)mutex) ;
92 void xbt_mutex_unlock(xbt_mutex_t mutex) {
93 SIMIX_mutex_unlock( (smx_mutex_t)mutex );
96 void xbt_mutex_destroy(xbt_mutex_t mutex) {
97 SIMIX_mutex_destroy( (smx_mutex_t)mutex );
100 /***** condition related functions *****/
103 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
104 xbt_swag_t sleeping; /* list of sleeping process */
106 xbt_fifo_t actions; /* list of actions */
107 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
111 xbt_cond_t xbt_cond_init(void) {
112 return (xbt_cond_t)SIMIX_cond_init();
115 void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
116 SIMIX_cond_wait( (smx_cond_t)cond , (smx_mutex_t)mutex );
119 void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay) {
120 SIMIX_cond_wait_timeout( (smx_cond_t)cond , (smx_mutex_t)mutex, delay );
123 void xbt_cond_signal(xbt_cond_t cond) {
124 SIMIX_cond_signal( (smx_cond_t)cond );
127 void xbt_cond_broadcast(xbt_cond_t cond){
128 SIMIX_cond_broadcast( (smx_cond_t)cond );
130 void xbt_cond_destroy(xbt_cond_t cond){
131 SIMIX_cond_destroy( (smx_cond_t)cond );