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[])
34 (xbt_thread_t) SIMIX_process_get_data(SIMIX_process_self());
35 SIMIX_process_set_data(SIMIX_process_self(), t->father_data);
36 (*t->code) (t->userparam);
42 xbt_thread_t xbt_thread_create(const char *name, void_f_pvoid_t code,
45 xbt_thread_t res = xbt_new0(s_xbt_thread_t, 1);
46 res->name = xbt_strdup(name);
47 res->userparam = param;
49 res->father_data = SIMIX_process_get_data(SIMIX_process_self());
50 // char*name = bprintf("%s#%p",SIMIX_process_get_name(SIMIX_process_self()), param);
51 res->s_process = SIMIX_process_create(name,
52 xbt_thread_create_wrapper, res,
53 SIMIX_host_get_name(SIMIX_host_self
60 const char *xbt_thread_name(xbt_thread_t t)
65 const char *xbt_thread_self_name(void)
67 xbt_thread_t me = xbt_thread_self();
68 return me ? me->name : "maestro";
72 void xbt_thread_join(xbt_thread_t thread)
74 THROW_UNIMPLEMENTED; /* FIXME */
77 void xbt_thread_cancel(xbt_thread_t thread)
79 SIMIX_process_kill(thread->s_process);
84 void xbt_thread_exit()
86 xbt_thread_t me = SIMIX_process_get_data(SIMIX_process_self());
87 SIMIX_process_kill(me->s_process);
91 xbt_thread_t xbt_thread_self(void)
93 smx_process_t p = SIMIX_process_self();
94 return p ? SIMIX_process_get_data(p) : NULL;
97 void xbt_thread_yield(void)
99 THROW_UNIMPLEMENTED; /* FIXME */
102 /****** mutex related functions ******/
103 struct s_xbt_mutex_ {
105 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
106 xbt_swag_t sleeping; /* list of sleeping process */
108 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_mutex */
112 xbt_mutex_t xbt_mutex_init(void)
114 return (xbt_mutex_t) SIMIX_mutex_init();
117 void xbt_mutex_acquire(xbt_mutex_t mutex)
119 SIMIX_mutex_lock((smx_mutex_t) mutex);
122 void xbt_mutex_release(xbt_mutex_t mutex)
124 SIMIX_mutex_unlock((smx_mutex_t) mutex);
127 void xbt_mutex_destroy(xbt_mutex_t mutex)
129 SIMIX_mutex_destroy((smx_mutex_t) mutex);
132 /***** condition related functions *****/
135 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
136 xbt_swag_t sleeping; /* list of sleeping process */
138 xbt_fifo_t actions; /* list of actions */
139 /* KEEP IT IN SYNC WITH src/simix/private.h::struct s_smx_cond */
143 xbt_cond_t xbt_cond_init(void)
145 return (xbt_cond_t) SIMIX_cond_init();
148 void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex)
150 SIMIX_cond_wait((smx_cond_t) cond, (smx_mutex_t) mutex);
153 void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay)
155 SIMIX_cond_wait_timeout((smx_cond_t) cond, (smx_mutex_t) mutex, delay);
158 void xbt_cond_signal(xbt_cond_t cond)
160 SIMIX_cond_signal((smx_cond_t) cond);
163 void xbt_cond_broadcast(xbt_cond_t cond)
165 SIMIX_cond_broadcast((smx_cond_t) cond);
168 void xbt_cond_destroy(xbt_cond_t cond)
170 SIMIX_cond_destroy((smx_cond_t) cond);