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* tests/gpgscm/scheme-private.h (struct scheme): New fields 'inhibit_gc', 'reserved_cells', and 'reserved_lineno'. * tests/gpgscm/scheme.c (GC_ENABLED): New macro. (USE_GC_LOCKING): Likewise. (gc_reservations): Likewise. (gc_reservation_failure): New function. (_gc_disable): Likewise. (gc_disable): New macro. (gc_enable): Likewise. (gc_enabled): Likewise. (gc_consume): Likewise. (get_cell_x): Consume reserved cell if garbage collection is disabled. (_get_cell): Assert that gc is enabled. (get_cell): Only record cell in the list of recently allocated cells if gc is enabled. (get_vector_object): Likewise. (gc): Assert that gc is enabled. (s_return): Add comment, adjust call to '_s_return'. (s_return_enable_gc): New macro. (_s_return): Add flag 'enable_gc' and re-enable gc if set. (oblist_add_by_name): Use the new facilities to protect the allocations. (new_frame_in_env): Likewise. (new_slot_spec_in_env): Likewise. (s_save): Likewise. (opexe_0): Likewise. (opexe_1): Likewise. (opexe_2): Likewise. (opexe_5): Likewise. (opexe_6): Likewise. (scheme_init_custom_alloc): Initialize the new fields. -- Every time a cell is allocated, the interpreter may run out of free cells and do a garbage collection. This is problematic because it might garbage collect objects that have been allocated, but are not yet made available to the interpreter. Previously, we would plug such newly allocated cells into the list of newly allocated objects rooted at car(sc->sink), but that requires allocating yet another cell increasing pressure on the memory management system. A faster alternative is to preallocate the cells needed for an operation and make sure the garbage collection is not run until all allocated objects are plugged in. This can be done with gc_disable and gc_enable. This optimization can be applied incrementally. This commit picks all low-hanging fruits. Signed-off-by: Justus Winter <justus@g10code.com> |
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| .. | ||
| extrasamples | ||
| fake-pinentries | ||
| gpgscm | ||
| migrations | ||
| openpgp | ||
| pkits | ||
| samplekeys | ||
| samplemsgs | ||
| 567064FE6D14A17B2D811ABB407728BC558AA455 | ||
| asschk.c | ||
| cert_cci_sphinx_ca.pem | ||
| cert_cci_test_wzs.pem | ||
| cert_cci_test_zs.pem | ||
| cert_cci_user02.pem | ||
| cert_cci_user03.pem | ||
| cert_cci_user04.pem | ||
| cert_cci_user06.pem | ||
| cert_cci_user07.pem | ||
| cert_testpki_testpca.pem | ||
| ChangeLog-2011 | ||
| crl_testpki_testpca.pem | ||
| inittests | ||
| key_g10code_pete1.pem | ||
| key_g10code_theo1.pem | ||
| Makefile.am | ||
| runtest | ||
| skey_g10code_test1.pem | ||
| sm-sign+verify | ||
| sm-verify | ||
| text-1.dsig.pem | ||
| text-1.osig-bad.pem | ||
| text-1.osig-badusage.pem | ||
| text-1.osig.pem | ||
| text-1.txt | ||
| text-2.osig-bad.pem | ||
| text-2.osig.pem | ||
| text-2.txt | ||
| text-3.txt | ||