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--- Libc/Libc-825.26/stdlib/FreeBSD/atexit.c
+++ Libc/Libc-583/stdlib/FreeBSD/atexit.c
@@ -13,6 +13,10 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
@@ -34,30 +38,21 @@
static char sccsid[] = "@(#)atexit.c 8.2 (Berkeley) 7/3/94";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/atexit.c,v 1.8 2007/01/09 00:28:09 imp Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdlib/atexit.c,v 1.7 2003/12/19 17:11:20 kan Exp $");
#include "namespace.h"
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
-#if defined(__DYNAMIC__) || defined (__BLOCKS__)
-#include <dlfcn.h>
-#endif /* defined(__DYNAMIC__) */
#include "atexit.h"
#include "un-namespace.h"
-#ifdef __BLOCKS__
-#include <Block.h>
-#endif /* __BLOCKS__ */
#include "libc_private.h"
#define ATEXIT_FN_EMPTY 0
#define ATEXIT_FN_STD 1
#define ATEXIT_FN_CXA 2
-#ifdef __BLOCKS__
-#define ATEXIT_FN_BLK 3
-#endif /* __BLOCKS__ */
static pthread_mutex_t atexit_mutex = PTHREAD_MUTEX_INITIALIZER;
@@ -72,9 +67,6 @@
union {
void (*std_func)(void);
void (*cxa_func)(void *);
-#ifdef __BLOCKS__
- void (^block)(void);
-#endif /* __BLOCKS__ */
} fn_ptr; /* function pointer */
void *fn_arg; /* argument for CXA callback */
void *fn_dso; /* shared module handle */
@@ -82,7 +74,6 @@
};
static struct atexit *__atexit; /* points to head of LIFO stack */
-static int new_registration;
/*
* Register the function described by 'fptr' to be called at application
@@ -118,7 +109,6 @@
__atexit = p;
}
p->fns[p->ind++] = *fptr;
- new_registration = 1;
_MUTEX_UNLOCK(&atexit_mutex);
return 0;
}
@@ -130,49 +120,16 @@
atexit(void (*func)(void))
{
struct atexit_fn fn;
- struct dl_info info;
int error;
fn.fn_type = ATEXIT_FN_STD;
- fn.fn_ptr.std_func = func;
+ fn.fn_ptr.std_func = func;;
fn.fn_arg = NULL;
-#if defined(__DYNAMIC__)
- if ( dladdr(func, &info) )
- fn.fn_dso = info.dli_fbase;
- else
- fn.fn_dso = NULL;
-#else /* ! defined(__DYNAMIC__) */
fn.fn_dso = NULL;
-#endif /* defined(__DYNAMIC__) */
error = atexit_register(&fn);
return (error);
}
-
-#ifdef __BLOCKS__
-int
-atexit_b(void (^block)(void))
-{
- struct atexit_fn fn;
- struct dl_info info;
- int error;
-
- fn.fn_type = ATEXIT_FN_BLK;
- fn.fn_ptr.block = Block_copy(block);
- fn.fn_arg = NULL;
-#if defined(__DYNAMIC__)
- if ( dladdr(block, &info) )
- fn.fn_dso = info.dli_fbase;
- else
- fn.fn_dso = NULL;
-#else /* ! defined(__DYNAMIC__) */
- fn.fn_dso = NULL;
-#endif /* defined(__DYNAMIC__) */
-
- error = atexit_register(&fn);
- return (error);
-}
-#endif /* __BLOCKS__ */
/*
* Register a function to be performed at exit or when an shared object
@@ -199,14 +156,13 @@
* handlers are called.
*/
void
-__cxa_finalize(const void *dso)
+__cxa_finalize(void *dso)
{
struct atexit *p;
struct atexit_fn fn;
int n;
_MUTEX_LOCK(&atexit_mutex);
-restart:
for (p = __atexit; p; p = p->next) {
for (n = p->ind; --n >= 0;) {
if (p->fns[n].fn_type == ATEXIT_FN_EMPTY)
@@ -219,7 +175,6 @@
has already been called.
*/
p->fns[n].fn_type = ATEXIT_FN_EMPTY;
- new_registration = 0;
_MUTEX_UNLOCK(&atexit_mutex);
/* Call the function of correct type. */
@@ -227,13 +182,7 @@
fn.fn_ptr.cxa_func(fn.fn_arg);
else if (fn.fn_type == ATEXIT_FN_STD)
fn.fn_ptr.std_func();
-#ifdef __BLOCKS__
- else if (fn.fn_type == ATEXIT_FN_BLK)
- fn.fn_ptr.block();
-#endif /* __BLOCKS__ */
_MUTEX_LOCK(&atexit_mutex);
- if (new_registration)
- goto restart;
}
}
_MUTEX_UNLOCK(&atexit_mutex);