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authorRoland McGrath <roland@gnu.org>2001-08-23 06:03:42 +0000
committerRoland McGrath <roland@gnu.org>2001-08-23 06:03:42 +0000
commitc12aa8015699d66a193c3c183b4f1d1a72bb92c1 (patch)
treea20c1864b74c8471aa7aaf675da180546b16c537 /elf/dl-close.c
parent8179dcc10808cf2a515cf19d445789193a763ec4 (diff)
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* sysdeps/generic/ldsodefs.h (_dl_load_lock): Declare it here with
__libc_lock_define_recursive. * elf/dl-open.c: Don't declare it here any more. * elf/dl-close.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-iteratephdr.c: Likewise. * elf/dl-lookup.c (add_dependency): Use __libc_lock_lock_recursive and __libc_lock_unlock_recursive. * elf/dl-close.c (_dl_close): Likewise * elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise * elf/dl-open.c (_dl_open): Likewise * sysdeps/generic/bits/libc-lock.h (__libc_lock_define_recursive): New macro. * sysdeps/generic/bits/stdio-lock.h (_IO_lock_t): Use it. (_IO_lock_lock): Use __libc_lock_lock_recursive. (_IO_lock_unlock): Use __libc_lock_unlock_recursive.
Diffstat (limited to 'elf/dl-close.c')
-rw-r--r--elf/dl-close.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 3d24892..66c88b2 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -32,11 +32,6 @@
typedef void (*fini_t) (void);
-/* During the program run we must not modify the global data of
- loaded shared object simultanously in two threads. Therefore we
- protect `dlopen' and `dlclose' in dlclose.c. */
-__libc_lock_define (extern, _dl_load_lock)
-
void
internal_function
_dl_close (void *_map)
@@ -61,7 +56,7 @@ _dl_close (void *_map)
_dl_signal_error (0, map->l_name, N_("shared object not open"));
/* Acquire the lock. */
- __libc_lock_lock (_dl_load_lock);
+ __libc_lock_lock_recursive (_dl_load_lock);
/* Decrement the reference count. */
if (map->l_opencount > 1 || map->l_type != lt_loaded)
@@ -80,7 +75,7 @@ _dl_close (void *_map)
/* One decrement the object itself, not the dependencies. */
--map->l_opencount;
- __libc_lock_unlock (_dl_load_lock);
+ __libc_lock_unlock_recursive (_dl_load_lock);
return;
}
@@ -277,7 +272,7 @@ _dl_close (void *_map)
free (list);
/* Release the lock. */
- __libc_lock_unlock (_dl_load_lock);
+ __libc_lock_unlock_recursive (_dl_load_lock);
}