From c12aa8015699d66a193c3c183b4f1d1a72bb92c1 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 23 Aug 2001 06:03:42 +0000 Subject: * 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. --- elf/dl-close.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) (limited to 'elf/dl-close.c') diff --git a/elf/dl-close.c b/elf/dl-close.c index 3d24892d28..66c88b2641 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); } -- cgit v1.2.3