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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-open.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-open.c')
-rw-r--r--elf/dl-open.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 2f4c97b..9d21a50 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -58,15 +58,6 @@ extern int _dl_lazy; /* Do we do lazy relocations? */
static void show_scope (struct link_map *new);
#endif
-/* During the program run we must not modify the global data of
- loaded shared object simultanously in two threads. Therefore we
- protect `_dl_open' and `_dl_close' in dl-close.c.
-
- This must be a recursive lock since the initializer function of
- the loaded object might as well require a call to this function.
- At this time it is not anymore a problem to modify the tables. */
-__libc_lock_define (extern, _dl_load_lock)
-
extern size_t _dl_platformlen;
/* We must be carefull not to leave us in an inconsistent state. Thus we
@@ -349,7 +340,7 @@ _dl_open (const char *file, int mode, const void *caller)
_dl_signal_error (EINVAL, file, N_("invalid mode for dlopen()"));
/* Make sure we are alone. */
- __libc_lock_lock (_dl_load_lock);
+ __libc_lock_lock_recursive (_dl_load_lock);
args.file = file;
args.mode = mode;
@@ -363,7 +354,7 @@ _dl_open (const char *file, int mode, const void *caller)
#endif
/* Release the lock. */
- __libc_lock_unlock (_dl_load_lock);
+ __libc_lock_unlock_recursive (_dl_load_lock);
if (errstring)
{