+/* Copyright (c) 2002-2023. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
/* SimGrid's pthread interposer. Redefinition of the pthread symbols (see the comment in sthread.h) */
#define _GNU_SOURCE
static int (*raw_sem_init)(sem_t*, int, unsigned int);
static int (*raw_sem_wait)(sem_t*);
static int (*raw_sem_post)(sem_t*);
+static int (*raw_sem_destroy)(sem_t*);
+static int (*raw_sem_trywait)(sem_t*);
+static int (*raw_sem_timedwait)(sem_t*, const struct timespec*);
static void intercepter_init()
{
raw_sem_init = dlsym(RTLD_NEXT, "sem_init");
raw_sem_wait = dlsym(RTLD_NEXT, "sem_wait");
raw_sem_post = dlsym(RTLD_NEXT, "sem_post");
+ raw_sem_destroy = dlsym(RTLD_NEXT, "sem_destroy");
+ raw_sem_trywait = dlsym(RTLD_NEXT, "sem_trywait");
+ raw_sem_timedwait = dlsym(RTLD_NEXT, "sem_timedwait");
}
static int sthread_inside_simgrid = 1;
sthread_enable();
return res;
}
+int sem_init(sem_t* sem, int pshared, unsigned int value)
+{
+ if (raw_sem_init == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_init(sem, pshared, value);
+
+ sthread_disable();
+ int res = sthread_sem_init((sthread_sem_t*)sem, pshared, value);
+ sthread_enable();
+ return res;
+}
+int sem_destroy(sem_t* sem)
+{
+ if (raw_sem_destroy == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_destroy(sem);
+
+ sthread_disable();
+ int res = sthread_sem_destroy((sthread_sem_t*)sem);
+ sthread_enable();
+ return res;
+}
+int sem_post(sem_t* sem)
+{
+ if (raw_sem_post == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_post(sem);
+
+ sthread_disable();
+ int res = sthread_sem_post((sthread_sem_t*)sem);
+ sthread_enable();
+ return res;
+}
+int sem_wait(sem_t* sem)
+{
+ if (raw_sem_wait == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_wait(sem);
+
+ sthread_disable();
+ int res = sthread_sem_wait((sthread_sem_t*)sem);
+ sthread_enable();
+ return res;
+}
+int sem_trywait(sem_t* sem)
+{
+ if (raw_sem_trywait == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_trywait(sem);
+
+ sthread_disable();
+ int res = sthread_sem_trywait((sthread_sem_t*)sem);
+ sthread_enable();
+ return res;
+}
+int sem_timedwait(sem_t* sem, const struct timespec* abs_timeout)
+{
+ if (raw_sem_timedwait == NULL)
+ intercepter_init();
+
+ if (sthread_inside_simgrid)
+ return raw_sem_timedwait(sem, abs_timeout);
+
+ sthread_disable();
+ int res = sthread_sem_timedwait((sthread_sem_t*)sem, abs_timeout);
+ sthread_enable();
+ return res;
+}
/* Glibc < 2.31 uses type "struct timezone *" for the second parameter of gettimeofday.
Other implementations use "void *" instead. */
}
#if 0
-int sem_init(sem_t *sem, int pshared, unsigned int value) {
- int res;
-
- res=raw_sem_init(sem,pshared,value);
- return res;
-}
-
-int sem_wait(sem_t *sem) {
- int res;
-
- res = raw_sem_wait(sem);
- return res;
-}
-
-int sem_post(sem_t *sem) {
- return raw_sem_post(sem);
-}
-
int pthread_cond_init(pthread_cond_t *cond, pthread_condattr_t *cond_attr) {
*cond = sg_cond_init();
return 0;