Update.
2001-01-11 Jakub Jelinek <jakub@redhat.com> * stdlib/cxa_atexit.c (__cxa_atexit): Cast to (void *, int) func. * stdlib/cxa_finalize.c (__cxa_finalize): Add hidden second argument. * stdlib/cxa_on_exit.c: Remove. * stdlib/Makefile: Revert last patch. * stdlib/Versions: Likewise. * include/stdlib.h: Likewise. * stdlib/exit.h: Revert last patch. (struct exit_function): Add second argument to cxa fn. * stdlib/exit.c: Revert last patch. (exit): Add hidden second argument.
This commit is contained in:
Ulrich Drepper
parent
7e36861e77
commit
5ef50d00de
13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2001-01-11 Jakub Jelinek <jakub@redhat.com>
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* stdlib/cxa_atexit.c (__cxa_atexit): Cast to (void *, int) func.
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* stdlib/cxa_finalize.c (__cxa_finalize): Add hidden second argument.
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* stdlib/cxa_on_exit.c: Remove.
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* stdlib/Makefile: Revert last patch.
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* stdlib/Versions: Likewise.
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* include/stdlib.h: Likewise.
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* stdlib/exit.h: Revert last patch.
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(struct exit_function): Add second argument to cxa fn.
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* stdlib/exit.c: Revert last patch.
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(exit): Add hidden second argument.
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2001-01-11 H.J. Lu <hjl@gnu.org>
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* elf/dl-libc.c (do_dlopen): Move DL_STATIC_INIT to ...
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9
FAQ
9
FAQ
@ -827,7 +827,7 @@ you got with your distribution.
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glibc 2.x?
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{AJ} There's only correct support for glibc 2.0.x in gcc 2.7.2.3 or later.
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But you should get at least gcc 2.95.2 (or later versions) instead.
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But you should get at least gcc 2.95.2.1 (or later versions) instead.
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2.10. The `gencat' utility cannot process the catalog sources which
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@ -1245,10 +1245,9 @@ http://clisp.cons.org/~haible/gccinclude-glibc-2.2-compat.diff
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2.35. When recompiling GCC, I get compilation errors in libio.
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{BH} You are trying to recompile gcc 2.95.2? After upgrading to glibc 2.2,
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you need to apply a patch to the gcc sources, because the fpos_t type and
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a few libio internals have changed in glibc 2.2. T he patch is at
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http://clisp.cons.org/~haible/gcc-glibc-2.2-compat.diff
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{BH} You are trying to recompile gcc 2.95.2? Use gcc 2.95.2.1 instead.
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This version is needed because the fpos_t type and a few libio internals
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have changed in glibc 2.2, and gcc 2.95.2.1 contains a corresponding patch.
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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9
FAQ.in
9
FAQ.in
@ -626,7 +626,7 @@ you got with your distribution.
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glibc 2.x?
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{AJ} There's only correct support for glibc 2.0.x in gcc 2.7.2.3 or later.
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But you should get at least gcc 2.95.2 (or later versions) instead.
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But you should get at least gcc 2.95.2.1 (or later versions) instead.
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?? The `gencat' utility cannot process the catalog sources which
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were used on my Linux libc5 based system. Why?
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@ -1020,10 +1020,9 @@ http://clisp.cons.org/~haible/gccinclude-glibc-2.2-compat.diff
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?? When recompiling GCC, I get compilation errors in libio.
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{BH} You are trying to recompile gcc 2.95.2? After upgrading to glibc 2.2,
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you need to apply a patch to the gcc sources, because the fpos_t type and
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a few libio internals have changed in glibc 2.2. T he patch is at
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http://clisp.cons.org/~haible/gcc-glibc-2.2-compat.diff
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{BH} You are trying to recompile gcc 2.95.2? Use gcc 2.95.2.1 instead.
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This version is needed because the fpos_t type and a few libio internals
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have changed in glibc 2.2, and gcc 2.95.2.1 contains a corresponding patch.
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? Source and binary incompatibilities, and what to do about them
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@ -55,7 +55,6 @@ extern void _quicksort (void *const pbase, size_t total_elems,
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size_t size, __compar_fn_t cmp);
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extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
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extern int __cxa_on_exit (void (*func) (int, void *), void *arg, void *d);
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extern void __cxa_finalize (void *d);
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@ -1,3 +1,15 @@
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2001-01-11 Jakub Jelinek <jakub@redhat.com>
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* Makefile (CFLAGS-pthread.c): Pass -DHAVE_Z_NODELETE if ld supports
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-z nodelete.
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* pthread.c (pthread_exit_process): Rename to...
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(pthread_onexit_process): ...this.
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(pthread_atexit_process, pthread_atexit_retcode): New.
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(pthread_initialize): Call __cxa_atexit instead of __cxa_on_exit
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and only if HAVE_Z_NODELETE is not defined.
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(__pthread_initialize_manager): Register pthread_atexit_retcode
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with __cxa_atexit.
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2001-01-11 Ulrich Drepper <drepper@redhat.com>
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* pthread.c (pthread_initialize): Use __cxs_on_exit not __cxa_atexit.
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@ -54,9 +54,10 @@ endif
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include ../Rules
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znodelete-yes = -DHAVE_Z_NODELETE
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CFLAGS-mutex.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-specific.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete))
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CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES
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CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\"
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@ -216,7 +216,11 @@ const int __linuxthread_pthread_sizeof_descr
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/* Forward declarations */
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static void pthread_exit_process(int retcode, void *arg);
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static void pthread_onexit_process(int retcode, void *arg);
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#ifndef HAVE_Z_NODELETE
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static void pthread_atexit_process(void *arg, int retcode);
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static void pthread_atexit_retcode(void *arg, int retcode);
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#endif
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static void pthread_handle_sigcancel(int sig);
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static void pthread_handle_sigrestart(int sig);
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static void pthread_handle_sigdebug(int sig);
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@ -433,12 +437,14 @@ static void pthread_initialize(void)
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sigprocmask(SIG_BLOCK, &mask, NULL);
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/* Register an exit function to kill all other threads. */
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/* Do it early so that user-registered atexit functions are called
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before pthread_exit_process. */
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before pthread_*exit_process. */
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#ifndef HAVE_Z_NODELETE
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if (__builtin_expect (&__dso_handle != NULL, 1))
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__cxa_on_exit((void (*) (void *)) pthread_exit_process, NULL,
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__cxa_atexit ((void (*) (void *)) pthread_atexit_process, NULL,
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__dso_handle);
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else
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__on_exit (pthread_exit_process, NULL);
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#endif
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__on_exit (pthread_onexit_process, NULL);
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/* How many processors. */
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__pthread_smp_kernel = is_smp_system ();
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}
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@ -456,6 +462,12 @@ int __pthread_initialize_manager(void)
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struct rlimit limit;
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int max_stack;
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#ifndef HAVE_Z_NODELETE
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if (__builtin_expect (&__dso_handle != NULL, 1))
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__cxa_atexit ((void (*) (void *)) pthread_atexit_retcode, NULL,
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__dso_handle);
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#endif
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getrlimit(RLIMIT_STACK, &limit);
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#ifdef FLOATING_STACKS
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if (limit.rlim_cur == RLIM_INFINITY)
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@ -723,7 +735,7 @@ weak_alias (__pthread_yield, pthread_yield)
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/* Process-wide exit() request */
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static void pthread_exit_process(int retcode, void *arg)
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static void pthread_onexit_process(int retcode, void *arg)
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{
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if (__builtin_expect (__pthread_manager_request, 0) >= 0) {
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struct pthread_request request;
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@ -745,6 +757,20 @@ static void pthread_exit_process(int retcode, void *arg)
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}
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}
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#ifndef HAVE_Z_NODELETE
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static int __pthread_atexit_retcode;
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static void pthread_atexit_process(void *arg, int retcode)
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{
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pthread_onexit_process (retcode ?: __pthread_atexit_retcode, arg);
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}
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static void pthread_atexit_retcode(void *arg, int retcode)
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{
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__pthread_atexit_retcode = retcode;
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}
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#endif
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/* The handler for the RESTART signal just records the signal received
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in the thread descriptor, and optionally performs a siglongjmp
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(for pthread_cond_timedwait). */
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@ -851,7 +877,7 @@ void __pthread_kill_other_threads_np(void)
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{
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struct sigaction sa;
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/* Terminate all other threads and thread manager */
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pthread_exit_process(0, NULL);
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pthread_onexit_process(0, NULL);
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/* Make current thread the main thread in case the calling thread
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changes its mind, does not exec(), and creates new threads instead. */
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__pthread_reset_main_thread();
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@ -1,4 +1,4 @@
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# Copyright (C) 1991-1999, 2000, 2001 Free Software Foundation, Inc.
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# Copyright (C) 1991-1999, 2000 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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@ -29,7 +29,7 @@ routines := \
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abort \
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bsearch qsort msort \
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getenv putenv setenv secure-getenv \
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exit on_exit atexit cxa_atexit cxa_on_exit cxa_finalize \
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exit on_exit atexit cxa_atexit cxa_finalize \
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abs labs llabs \
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div ldiv lldiv \
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mblen mbstowcs mbtowc wcstombs wctomb \
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@ -94,8 +94,4 @@ libc {
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# used by new G++ ABI
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__cxa_atexit; __cxa_finalize;
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}
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GLIBC_2.2.1 {
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# used in the thread library
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__cxa_on_exit;
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}
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}
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -31,7 +31,7 @@ __cxa_atexit (void (*func) (void *), void *arg, void *d)
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return -1;
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new->flavor = ef_cxa;
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new->func.cxa.fn = func;
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new->func.cxa.fn = (void (*) (void *, int)) func;
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new->func.cxa.arg = arg;
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new->func.cxa.dso_handle = d;
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return 0;
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -39,6 +39,6 @@ __cxa_finalize (void *d)
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if (d == f->func.cxa.dso_handle
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/* We don't want to run this cleanup more than once. */
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&& compare_and_swap (&f->flavor, ef_cxa, ef_free))
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(*f->func.cxa.fn) (f->func.cxa.arg);
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(*f->func.cxa.fn) (f->func.cxa.arg, 0);
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}
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}
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@ -1,38 +0,0 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdlib.h>
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#include "exit.h"
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/* Register a function to be called by exit or when a shared library
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is unloaded. This function is only called from code generated by
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the C++ compiler. */
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int
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__cxa_on_exit (void (*func) (int, void *), void *arg, void *d)
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{
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struct exit_function *new = __new_exitfn ();
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if (new == NULL)
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return -1;
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new->flavor = ef_cxa2;
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new->func.cxa2.fn = func;
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new->func.cxa2.arg = arg;
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new->func.cxa2.dso_handle = d;
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return 0;
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}
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@ -57,10 +57,7 @@ exit (int status)
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(*f->func.at) ();
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break;
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case ef_cxa:
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(*f->func.cxa.fn) (f->func.cxa.arg);
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break;
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case ef_cxa2:
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(*f->func.cxa2.fn) (status, f->func.cxa2.arg);
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(*f->func.cxa.fn) (f->func.cxa.arg, status);
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break;
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}
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}
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@ -26,8 +26,7 @@ enum
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ef_us,
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ef_on,
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ef_at,
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ef_cxa,
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ef_cxa2
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ef_cxa
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};
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struct exit_function
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@ -45,16 +44,10 @@ struct exit_function
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} on;
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struct
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{
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void (*fn) (void *arg);
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void (*fn) (void *arg, int status);
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void *arg;
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void *dso_handle;
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} cxa;
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struct
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{
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void (*fn) (int status, void *arg);
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void *arg;
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void *dso_handle;
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} cxa2;
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} func;
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};
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struct exit_function_list
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