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* include/libc-symbols.h (__libc_freeres_fn_section, libc_freeres_fn):

Browse Source 
New macros.
	* elf/dl-close.c (free_mem): Use libc_freeres_fn macro, remove
	text_set_element.
	* elf/dl-libc.c (free_mem): Likewise.
	* iconv/gconv_conf.c (free_mem): Likewise.
	* iconv/gconv_db.c (free_mem): Likewise.
	* iconv/gconv_dl.c (free_mem): Likewise.
	* iconv/gconv_cache.c (free_mem): Likewise.
	* intl/finddomain.c (free_mem): Likewise.
	* intl/dcigettext.c (free_mem): Likewise.
	* locale/setlocale.c (free_mem): Likewise.
	* misc/fstab.c (fstab_free): Likewise.
	* nss/nsswitch.c (free_mem): Likewise.
	* posix/regcomp.c (free_mem): Likewise.
	* resolv/gai_misc.c (free_res): Likewise.
	* stdlib/fmtmsg.c (free_mem): Likewise.
	* sunrpc/clnt_perr.c (free_mem): Likewise.
	* sysdeps/generic/setenv.c (free_mem): Likewise.
	* sysdeps/unix/sysv/linux/shm_open.c (freeit): Likewise.
	* sysdeps/pthread/aio_misc.c (free_res): Likewise.
	* time/tzset.c (free_mem): Likewise.
	* malloc/mtrace.c (release_libc_mem): Add __libc_freeres_fn_section.
	* locale/loadarchive.c (_nl_archive_subfreeres): Likewise.
	* malloc/set-freeres.c (__libc_freeres): Likewise.

	* login/getutent.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutent): Allocate buffer the first time it is run.
	* login/getutid.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutid): Allocate buffer the first time it is run.
	* login/getutline.c: Include stdlib.h instead of stddef.h.
	(buffer): Change into pointer to utmp, add libc_freeres_ptr.
	(__getutline): Allocate buffer the first time it is run.
	* malloc/mtrace.c (malloc_trace_buffer): Change into char *.
	(mtrace): Allocate malloc_trace_buffer.
	* resolv/nsap_addr.c (inet_nsap_ntoa): Decrease size of tmpbuf.
	* resolv/ns_print.c (ns_sprintrrf): Decrease size of t.
	* string/strerror.c: Include libintl.h and errno.h.
	(buf): New variable.
	(strerror): Only allocate buffer if actually needed (unknown error).
	* time/tzfile.c (transitions): Add libc_freeres_ptr.
	(freeres): Remove.

2002-10-25  Jakub Jelinek  <jakub@redhat.com>

	* include/libc-symbols.h (libc_freeres_ptr): New macro.
	* malloc/set-freeres.c (__libc_freeres_ptrs): Define using
	symbol_set_define.
	(__libc_freeres): Free all pointers in that section.
	* Makerules (build-shlib): Add $(LDSEDCMD-$(@F:lib%.so=%).so) to sed
	commands when creating .lds script.
	(LDSEDCMD-c.so): New variable.
	* inet/rcmd.c (ahostbuf): Change into char *.  Add libc_freeres_ptr.
	(rcmd_af): Use strdup to allocate ahostbuf.
	* inet/rexec.c (ahostbuf): Change into char *.  Add libc_freeres_ptr.
	(rexec_af): Use strdup to allocate ahostbuf.
	* stdio-common/reg-printf.c (printf_funcs): Remove.
	(__printf_arginfo_table): Change into printf_arginfo_function **.
	Add libc_freeres_ptr.
	(__register_printf_function): Allocate __printf_arginfo_table
	and __printf_function_table the first time it is called.
	* stdio-common/printf-parse.h (__printf_arginfo_table): Change into
	printf_arginfo_function **.
	(parse_one_spec): Add __builtin_expect.
	* grp/fgetgrent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* inet/getnetgrent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* intl/localealias.c (libc_freeres_ptr): Define if !_LIBC.
	(string_space, map): Add libc_freeres_ptr.
	(free_mem): Remove.
	* misc/efgcvt.c (FCVT_BUFPTR): Add libc_freeres_ptr.
	(free_mem): Remove.
	* misc/mntent.c (getmntent_buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* crypt/md5-crypt.c (libc_freeres_ptr): Define if !_LIBC.
	(buffer): Add libc_freeres_ptr.
	(free_mem): Remove for _LIBC.
	* nss/getXXbyYY.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* nss/getXXent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* pwd/fgetpwent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* resolv/res_hconf.c (ifaddrs): Add libc_freeres_ptr.
	(free_mem): Remove.
	* shadow/fgetspent.c (buffer): Add libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/posix/ttyname.c (getttyname_name): Add libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/unix/sysv/linux/getsysstats.c (mount_proc): Add
	libc_freeres_ptr.
	(free_mem): Remove.
	* sysdeps/unix/sysv/linux/ttyname.c (getttyname_name, ttyname_buf): Add
	libc_freeres_ptr.
	(free_mem): Remove.

2002-10-30  Jakub Jelinek  <jakub@redhat.com>

	* malloc/obstack.c [_LIBC] (obstack_free): Change into strong_alias
	instead of duplicating the whole function in libc.
This commit is contained in:
Roland McGrath
2002-11-01 20:44:15 +00:00
parent aa9937f78c
commit c877418f2e
51 changed files with 337 additions and 298 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
elf/dl-close.c
View File

@@ -247,6 +247,11 @@ _dl_close (void *_map)
_r_debug.r_state = RT_DELETE;
_dl_debug_state ();
#ifdef USE_TLS
size_t tls_free_start, tls_free_end;
tls_free_start = tls_free_end = GL(dl_tls_static_used);
#endif
/* Check each element of the search list to see if all references to
it are gone. */
for (i = 0; list[i] != NULL; ++i)
@@ -286,6 +291,30 @@ _dl_close (void *_map)
imap->l_init_called))
/* All dynamically loaded modules with TLS are unloaded. */
GL(dl_tls_max_dtv_idx) = GL(dl_tls_static_nelem);
if (imap->l_tls_offset != 0)
{
/* Collect a contiguous chunk built from the objects in
this search list, going in either direction. When the
whole chunk is at the end of the used area then we can
reclaim it. */
if (imap->l_tls_offset == tls_free_end)
/* Extend the contiguous chunk being reclaimed. */
tls_free_end += imap->l_tls_blocksize;
else if (imap->l_tls_offset + imap->l_tls_blocksize
== tls_free_start)
/* Extend the chunk backwards. */
tls_free_start = imap->l_tls_offset;
else
{
/* This isn't contiguous with the last chunk freed.
One of them will be leaked. */
if (tls_free_end == GL(dl_tls_static_used))
GL(dl_tls_static_used) = tls_free_start;
tls_free_start = imap->l_tls_offset;
tls_free_end = tls_free_start + imap->l_tls_blocksize;
}
}
}
#endif
@@ -363,11 +392,15 @@ _dl_close (void *_map)
}
#ifdef USE_TLS
/* If we removed any object which uses TLS bumnp the generation
counter. */
/* If we removed any object which uses TLS bump the generation counter. */
if (any_tls)
if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
__libc_fatal (_("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
{
if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
__libc_fatal (_("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
if (tls_free_end == GL(dl_tls_static_used))
GL(dl_tls_static_used) = tls_free_start;
}
#endif
/* Notify the debugger those objects are finalized and gone. */
@@ -424,8 +457,7 @@ free_slotinfo (struct dtv_slotinfo_list *elemp)
#endif
static void
free_mem (void)
libc_freeres_fn (free_mem)
{
if (__builtin_expect (GL(dl_global_scope_alloc), 0) != 0
&& GL(dl_main_searchlist)->r_nlist == GL(dl_initial_searchlist).r_nlist)
@@ -453,4 +485,3 @@ free_mem (void)
GL(dl_tls_dtv_slotinfo_list)->next = NULL;
#endif
}
text_set_element (__libc_subfreeres, free_mem);