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Our variants print stack traces on failures. This will make locating
errors much easier.
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* libpager/pager-memcpy.c (pager_memcpy): Pass 1 as second parameter to
sigsetjmp.
* libstore/memobj.c (memobj_memcpy): Likewise.
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We need to save blocked signals, otherwise longjmp will not unblock
SIGSEGV/SIGBUS, and thus next exception will kill us. Also, we need to
make sure that the preemptor is set at the right window in main memory
before letting a handler see it.
* libpager/pager-memcpy.c (do_memcpy): Call __sync_synchronize()
between aligning the fault preemptor and actually accessing data.
(fault): Use siglongjmp instead of longjmp.
(pager_memcpy): Use sigsetjmp instead of setjmp.
* libstore/memobj.c (copy, fault, memobj_memcpy): Likewise.
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Some versions of gnumach actually take address as a mapping hint, and would fail
if the hint is bogus. Make sure to pass 0 for those versions.
* libstore/memobj.c (memobj_read): Make sure to set *buf to 0 before
calling vm_map.
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2002-12-03 Marcus Brinkmann <marcus@gnu.org>
* hurd.texi (Store I/O): Add store_set_size.
libstore/
2002-10-01 Ludovic Courtès <ludovic.courtes@utbm.fr>
* store.h: New type store_set_size_meth_t: New type. New
prototype store_set_size.
(struct store_class): Added a set_size () method.
* rdwr.c (store_set_size): New function.
* file.c (file_store_set_size): New function.
(store_file_class): Add file_store_set_size.
* concat.c (concat_set_size): New function.
(store_concat_class): concat_set_size.
* copy.c (copy_set_size): New function.
(store_copy_class): copy_set_size.
* device.c (device_set_size): New function.
(store_device_class): device_set_size.
* memobj.c (memobj_set_size): New function.
(store_memobj_class): memobj_set_size.
* mvol.c (mvol_set_size): New function.
(store_mvol_class): mvol_set_size.
* nbd.c (nbd_set_size): New function.
(store_nbd_class): nbd_set_size.
* remap.c (remap_set_size): New function.
(store_remap_class): remap_set_size.
* stripe.c (stripe_set_size): New function.
(store_stripe_class): stripe_set_size.
* unknown.c (unknown_set_size): New function.
(store_unknown_class): unknown_set_size.
* zero.c (zero_set_size): New function.
(store_zero_class): zero_set_size.
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* Makefile (store-types): New variable.
(all): Depend on $(store-types:%=libstore_%.a).
(libstore_%.so.$(hurd-version)): New pattern rule.
($(store-types:%=libstore_%.a): libstore_%.a): New static pattern rule
to create `-lstore_TYPE' pseudo-objects (linker scripts) for each type.
(libstore.so-LDLIBS): New variable, adds -ldl.
(GUNZIP_OBJS, BUNZIP2_OBJS): New variables.
(UNZIP_OBJS): Variable removed, replaced by those two.
(OBJS): Update use.
(libstore_gunzip.so.$(hurd-version)): Depend on PIC $(GUNZIP_OBJS).
(libstore_bunzip2.so.$(hurd-version)): Depend on PIC $(BUNZIP2_OBJS).
* unknown.c: Add STORE_STD_CLASS decl.
* bunzip2.c: Likewise.
* copy.c: Likewise.
* device.c: Likewise.
* file.c: Likewise.
* gunzip.c: Likewise.
* memobj.c: Likewise.
* module.c: Likewise.
* mvol.c: Likewise.
* nbd.c: Likewise.
* open.c: Likewise.
* part.c: Likewise.
* remap.c: Likewise.
* stripe.c: Likewise.
* stripe.c: Likewise.
* task.c: Likewise.
* typed.c: Likewise.
* typed.c: Likewise.
* unknown.c: Likewise.
* url.c: Likewise.
* zero.c: Likewise.
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* memobj.c: Include "store.h", not <hurd/store.h>.
* nbd.c: Likewise.
* parted.c: Likewise.
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* device.c (dev_error): Add a break to silence gcc warning.
(store_device_class): Add const to type.
* typed.c (store_typed_open_class): Likewise.
* file.c (store_file_class): Likewise.
* stripe.c (store_concat_class): Likewise.
(store_ileave_class): Likewise.
* zero.c (store_zero_class): Likewise.
* open.c (store_open_class): Likewise.
* remap.c (store_remap_class): Likewise.
* task.c (store_task_class): Likewise.
* copy.c (store_copy_class): Likewise.
* gunzip.c (store_gunzip_class): Likewise.
* bunzip2.c (store_bunzip2_class): Likewise.
* mvol.c (store_mvol_class): Likewise.
* memobj.c (store_memobj_class): Likewise.
* nbd.c (store_nbd_class): Likewise.
Submitted by Maurizio Boriani <baux@debian.org>.
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* memobj.c: New file.
* Makefile (SRCS): Add it.
* store.h (store_memobj_class, store_memobj_create): Declare them.
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