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;
29 static int xbt_thread_create_wrapper(int argc, char *argv[]) {
30 xbt_thread_t t = (xbt_thread_t)SIMIX_process_get_data(SIMIX_process_self());
31 (*t->code)(t->userparam);
35 xbt_thread_t xbt_thread_create(void_f_pvoid_t* code, void* param) {
36 xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
37 res->userparam = param;
39 res->s_process = SIMIX_process_create(NULL,
40 xbt_thread_create_wrapper, res,
41 SIMIX_host_get_name(SIMIX_host_self()),
47 xbt_thread_join(xbt_thread_t thread) {
48 THROW_UNIMPLEMENTED; /* FIXME */
52 xbt_thread_destroy(xbt_thread_t thread) {
53 SIMIX_process_kill(thread->s_process);
57 void xbt_thread_exit() {
58 xbt_thread_destroy(xbt_thread_self());
61 xbt_thread_t xbt_thread_self(void) {
62 return SIMIX_process_get_data(SIMIX_process_self());
65 void xbt_thread_yield(void) {
66 THROW_UNIMPLEMENTED; /* FIXME */
69 /****** mutex related functions ******/
72 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
73 xbt_swag_t sleeping; /* list of sleeping process */
75 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
79 xbt_mutex_t xbt_mutex_init(void) {
80 return (xbt_mutex_t)SIMIX_mutex_init();
83 void xbt_mutex_lock(xbt_mutex_t mutex) {
84 SIMIX_mutex_lock( (smx_mutex_t)mutex) ;
87 void xbt_mutex_unlock(xbt_mutex_t mutex) {
88 SIMIX_mutex_unlock( (smx_mutex_t)mutex );
91 void xbt_mutex_destroy(xbt_mutex_t mutex) {
92 SIMIX_mutex_destroy( (smx_mutex_t)mutex );
95 /***** condition related functions *****/
98 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
99 xbt_swag_t sleeping; /* list of sleeping process */
101 xbt_fifo_t actions; /* list of actions */
102 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
106 xbt_cond_t xbt_cond_init(void) {
107 return (xbt_cond_t)SIMIX_cond_init();
110 void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
111 SIMIX_cond_wait( (smx_cond_t)cond , (smx_mutex_t)mutex );
114 void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay) {
115 SIMIX_cond_wait_timeout( (smx_cond_t)cond , (smx_mutex_t)mutex, delay );
118 void xbt_cond_signal(xbt_cond_t cond) {
119 SIMIX_cond_signal( (smx_cond_t)cond );
122 void xbt_cond_broadcast(xbt_cond_t cond){
123 SIMIX_cond_broadcast( (smx_cond_t)cond );
125 void xbt_cond_destroy(xbt_cond_t cond){
126 SIMIX_cond_destroy( (smx_cond_t)cond );