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2002-02-15  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-open.c (dl_open_worker): Catch wrap-around of TLS
	generation counter.
	* elf/dl-close.c (_dl_close): Likewise.
This commit is contained in:
Ulrich Drepper
2002-02-16 00:21:33 +00:00
parent ebda6173fc
commit b209e34ad6
3 changed files with 12 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2002-02-15 Ulrich Drepper <drepper@redhat.com>
* elf/dl-open.c (dl_open_worker): Catch wrap-around of TLS
generation counter.
* elf/dl-close.c (_dl_close): Likewise.
2002-02-14 Ulrich Drepper <drepper@redhat.com> 2002-02-14 Ulrich Drepper <drepper@redhat.com>
* elf/Makefile: Add rules to build and run tst-tls8. * elf/Makefile: Add rules to build and run tst-tls8.

4
elf/dl-close.c
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@ -20,6 +20,7 @@
#include <assert.h> #include <assert.h>
#include <dlfcn.h> #include <dlfcn.h>
#include <libintl.h> #include <libintl.h>
#include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <bits/libc-lock.h> #include <bits/libc-lock.h>
@ -352,7 +353,8 @@ _dl_close (void *_map)
/* If we removed any object which uses TLS bumnp the generation /* If we removed any object which uses TLS bumnp the generation
counter. */ counter. */
if (any_tls) if (any_tls)
++GL(dl_tls_generation); if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
__libc_fatal (gettext ("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
#endif #endif
/* Notify the debugger those objects are finalized and gone. */ /* Notify the debugger those objects are finalized and gone. */

4
elf/dl-open.c
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@ -21,6 +21,7 @@
#include <dlfcn.h> #include <dlfcn.h>
#include <errno.h> #include <errno.h>
#include <libintl.h> #include <libintl.h>
#include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
@ -431,7 +432,8 @@ dl_open_worker (void *a)
/* Bump the generation number if necessary. */ /* Bump the generation number if necessary. */
if (any_tls) if (any_tls)
++GL(dl_tls_generation); if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
__libc_fatal (gettext ("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
#endif #endif
/* Run the initializer functions of new objects. */ /* Run the initializer functions of new objects. */