external/bsd/bind/dist/lib/isc/unix/app.c
author martin <martin@NetBSD.org>
Sun, 13 Mar 2016 08:00:24 +0000
branchnetbsd-7-0
changeset 275887 e6987d6aadcd
parent 254459 55ed515db7df
permissions -rw-r--r--
Pull up following revision(s) (requested by snj in ticket #1140): distrib/sets/lists/base/ad.aarch64: patch distrib/sets/lists/base/ad.arm: patch distrib/sets/lists/base/ad.mips: patch distrib/sets/lists/base/ad.powerpc: patch distrib/sets/lists/base/md.amd64: patch distrib/sets/lists/base/md.sparc64: patch distrib/sets/lists/base/shl.mi: patch distrib/sets/lists/debug/ad.aarch64: patch distrib/sets/lists/debug/ad.arm: patch distrib/sets/lists/debug/ad.mips: patch distrib/sets/lists/debug/ad.powerpc: patch distrib/sets/lists/debug/md.amd64: patch distrib/sets/lists/debug/md.sparc64: patch distrib/sets/lists/debug/shl.mi: patch doc/3RDPARTY: patch external/bsd/bind/bind2netbsd: up to 1.3 external/bsd/bind/dist/CHANGES: up to 1.20 external/bsd/bind/dist/COPYRIGHT: up to 1.1.1.10 external/bsd/bind/dist/README: up to 1.8 external/bsd/bind/dist/bin/check/check-tool.c: up to 1.8 external/bsd/bind/dist/bin/check/named-checkconf.c: up to 1.12 external/bsd/bind/dist/bin/check/named-checkzone.c: up to 1.8 external/bsd/bind/dist/bin/confgen/keygen.c: up to 1.7 external/bsd/bind/dist/bin/confgen/util.c: up to 1.5 external/bsd/bind/dist/bin/dig/dig.1: up to 1.11 external/bsd/bind/dist/bin/dig/dig.c: up to 1.11 external/bsd/bind/dist/bin/dig/dig.docbook: up to 1.1.1.12 external/bsd/bind/dist/bin/dig/dig.html: up to 1.1.1.12 external/bsd/bind/dist/bin/dig/dighost.c: up to 1.17 external/bsd/bind/dist/bin/dig/include/dig/dig.h: up to 1.12 external/bsd/bind/dist/bin/dig/nslookup.c: up to 1.12 external/bsd/bind/dist/bin/dnssec/dnssec-dsfromkey.8: up to 1.8 external/bsd/bind/dist/bin/dnssec/dnssec-dsfromkey.c: up to 1.12 external/bsd/bind/dist/bin/dnssec/dnssec-dsfromkey.docbook: up to 1.1.1.9 external/bsd/bind/dist/bin/dnssec/dnssec-dsfromkey.html: up to 1.1.1.10 external/bsd/bind/dist/bin/dnssec/dnssec-keygen.c: up to 1.17 external/bsd/bind/dist/bin/dnssec/dnssec-revoke.c: up to 1.9 external/bsd/bind/dist/bin/dnssec/dnssec-settime.c: up to 1.13 external/bsd/bind/dist/bin/dnssec/dnssec-signzone.c: up to 1.16 external/bsd/bind/dist/bin/named/bind9.xsl: up to 1.1.1.8 external/bsd/bind/dist/bin/named/bind9.xsl.h: up to 1.9 external/bsd/bind/dist/bin/named/client.c: up to 1.15 external/bsd/bind/dist/bin/named/config.c: up to 1.12 external/bsd/bind/dist/bin/named/control.c: up to 1.10 external/bsd/bind/dist/bin/named/controlconf.c: up to 1.11 external/bsd/bind/dist/bin/named/include/named/lwdclient.h: up to 1.5 external/bsd/bind/dist/bin/named/include/named/main.h: up to 1.6 external/bsd/bind/dist/bin/named/include/named/server.h: up to 1.10 external/bsd/bind/dist/bin/named/interfacemgr.c: up to 1.11 external/bsd/bind/dist/bin/named/logconf.c: up to 1.8 external/bsd/bind/dist/bin/named/lwdclient.c: up to 1.5 external/bsd/bind/dist/bin/named/lwresd.c: up to 1.7 external/bsd/bind/dist/bin/named/main.c: up to 1.19 external/bsd/bind/dist/bin/named/named.8: up to 1.8 external/bsd/bind/dist/bin/named/named.docbook: up to 1.1.1.8 external/bsd/bind/dist/bin/named/named.html: up to 1.1.1.9 external/bsd/bind/dist/bin/named/query.c: up to 1.21 external/bsd/bind/dist/bin/named/server.c: up to 1.20 external/bsd/bind/dist/bin/named/statschannel.c: up to 1.11 external/bsd/bind/dist/bin/named/update.c: up to 1.12 external/bsd/bind/dist/bin/named/win32/named.dsp.in: up to 1.1.1.3 external/bsd/bind/dist/bin/named/win32/named.mak.in: up to 1.1.1.3 external/bsd/bind/dist/bin/named/win32/named.vcxproj.in: up to 1.1.1.3 external/bsd/bind/dist/bin/named/win32/ntservice.c: up to 1.7 external/bsd/bind/dist/bin/named/win32/os.c: up to 1.9 external/bsd/bind/dist/bin/named/xfrout.c: up to 1.10 external/bsd/bind/dist/bin/nsupdate/nsupdate.1: up to 1.7 external/bsd/bind/dist/bin/nsupdate/nsupdate.c: up to 1.14 external/bsd/bind/dist/bin/nsupdate/nsupdate.docbook: up to 1.1.1.8 external/bsd/bind/dist/bin/nsupdate/nsupdate.html: up to 1.1.1.10 external/bsd/bind/dist/bin/pkcs11/Makefile.in: up to 1.1.1.7 external/bsd/bind/dist/bin/pkcs11/openssl-0.9.8zc-patch delete external/bsd/bind/dist/bin/pkcs11/openssl-0.9.8ze-patch: up to 1.1.1.1 external/bsd/bind/dist/bin/pkcs11/openssl-1.0.0o-patch delete external/bsd/bind/dist/bin/pkcs11/openssl-1.0.0q-patch: up to 1.1.1.1 external/bsd/bind/dist/bin/pkcs11/openssl-1.0.1j-patch delete external/bsd/bind/dist/bin/pkcs11/openssl-1.0.1l-patch: up to 1.1.1.1 external/bsd/bind/dist/bin/pkcs11/pkcs11-destroy.c: up to 1.8 external/bsd/bind/dist/bin/pkcs11/pkcs11-keygen.c: up to 1.8 external/bsd/bind/dist/bin/pkcs11/pkcs11-list.c: up to 1.8 external/bsd/bind/dist/bin/pkcs11/pkcs11-tokens.c: up to 1.1.1.5 external/bsd/bind/dist/bin/python/dnssec-coverage.py.in: up to 1.1.1.6 external/bsd/bind/dist/bin/rndc/rndc.8: up to 1.8 external/bsd/bind/dist/bin/rndc/rndc.c: up to 1.14 external/bsd/bind/dist/bin/rndc/rndc.docbook: up to 1.1.1.8 external/bsd/bind/dist/bin/rndc/rndc.html: up to 1.1.1.9 external/bsd/bind/dist/bin/rndc/util.c: up to 1.5 external/bsd/bind/dist/bin/tests/Makefile.in: up to 1.1.1.9 external/bsd/bind/dist/bin/tests/adb_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/backtrace_test.c: up to 1.8 external/bsd/bind/dist/bin/tests/byaddr_test.c: up to 1.8 external/bsd/bind/dist/bin/tests/byname_test.c: up to 1.8 external/bsd/bind/dist/bin/tests/cfg_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/compress_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/db/t_db.c: up to 1.8 external/bsd/bind/dist/bin/tests/db_test.c: up to 1.8 external/bsd/bind/dist/bin/tests/dst/dst_test.c: up to 1.8 external/bsd/bind/dist/bin/tests/entropy2_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/entropy_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/fromhex.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/fsaccess_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/gxba_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/gxbn_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/hash_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/inter_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/keyboard_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/lex_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/lfsr_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/log_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/lwres_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/lwresconf_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/makejournal.c: up to 1.4 external/bsd/bind/dist/bin/tests/master_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/name_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/names/t_names.c: up to 1.10 external/bsd/bind/dist/bin/tests/net/driver.c: up to 1.7 external/bsd/bind/dist/bin/tests/net/netaddr_multicast.c: up to 1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/find.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/genrsa.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/login.c: up to 1.1.1.4 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/random.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/session.c: up to 1.1.1.4 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/sha1.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/sign.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/benchmarks/verify.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/pkcs11-hmacmd5.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/pkcs11/pkcs11-md5sum.c: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/printmsg.c: delete external/bsd/bind/dist/bin/tests/printmsg.h: delete external/bsd/bind/dist/bin/tests/ratelimiter_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/rbt/t_rbt.c: up to 1.8 external/bsd/bind/dist/bin/tests/rbt_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/rdata_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/serial_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/sig0_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/sock_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/sym_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/system/Makefile.in: up to 1.1.1.10 external/bsd/bind/dist/bin/tests/system/README: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/addzone/tests.sh: up to 1.1.1.9 external/bsd/bind/dist/bin/tests/system/builtin/Makefile.in: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/builtin/gethostname.c: up to 1.1.1.4 external/bsd/bind/dist/bin/tests/system/builtin/tests.sh: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/system/checkconf/good-class.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/tests.sh: up to 1.1.1.8 external/bsd/bind/dist/bin/tests/system/checkzone/zones/bad-caa-rr.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/bad-dns-sd-reverse.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/bad-nsap-empty.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/bad-nsap-odd-nibble.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/bad-unspec.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/good-dns-sd-reverse.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/good-gc-msdcs.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/checkzone/zones/good-nsap.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/cleanall.sh: up to 1.1.1.7 external/bsd/bind/dist/bin/tests/system/conf.sh.in: up to 1.1.1.16 external/bsd/bind/dist/bin/tests/system/ditch.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dlzexternal/driver.c: up to 1.4 external/bsd/bind/dist/bin/tests/system/dnssec/clean.sh: up to 1.1.1.16 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cdnskey-auto.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cdnskey-update.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cdnskey.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cds-auto.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cds-update.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/cds.secure.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/named.conf: up to 1.1.1.7 external/bsd/bind/dist/bin/tests/system/dnssec/ns2/sign.sh: up to 1.1.1.16 external/bsd/bind/dist/bin/tests/system/dnssec/prereq.sh: up to 1.1.1.9 external/bsd/bind/dist/bin/tests/system/dnssec/tests.sh: up to 1.1.1.16 external/bsd/bind/dist/bin/tests/system/ednscompliance/clean.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/ednscompliance/ns1/named.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/ednscompliance/ns1/root.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/ednscompliance/tests.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/Makefile.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ans4/ans.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/clean.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/fetchlimit.c: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns1/named.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns1/root.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns2/example.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns2/named.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns3/named.args: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns3/named1.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns3/named2.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns3/named3.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/ns3/root.hint: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/prereq.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/setup.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/fetchlimit/tests.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/filter-aaaa/tests.sh: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/system/inline/clean.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/inline/ns3/named.conf: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/lwresd/lwtest.c: up to 1.8 external/bsd/bind/dist/bin/tests/system/masterfile/clean.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/masterfile/tests.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/masterfile/zone/inheritownerafterinclude.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/masterfile/zone/inheritownerafterinclude.good: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/masterfile/zone/nameservers.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/nsupdate/prereq.sh: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/nsupdate/tests.sh: up to 1.1.1.10 external/bsd/bind/dist/bin/tests/system/reclimit/ans2/ans.pl: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/reclimit/prereq.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/reclimit/tests.sh: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/resolver/ns4/named.conf: up to 1.1.1.7 external/bsd/bind/dist/bin/tests/system/resolver/ns6/named.conf: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/resolver/tests.sh: up to 1.1.1.13 external/bsd/bind/dist/bin/tests/system/rndc/tests.sh: up to 1.1.1.7 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns1/named.conf: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns1/test1.example.net.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns1/test2.example.net.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/db.wildcard1: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/db.wildcard2a: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/db.wildcard2b: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/db.wildcard3: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/named.wildcard1.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/named.wildcard2.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/ns2/named.wildcard3.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rpzrecurse/tests.sh: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/rrsetorder/ns4/named.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/rrsetorder/tests.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/rsabigexponent/Makefile.in: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/rsabigexponent/bigkey.c: up to 1.7 external/bsd/bind/dist/bin/tests/system/sit/tests.sh: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/start.pl: up to 1.1.1.13 external/bsd/bind/dist/bin/tests/system/staticstub/clean.sh: up to 1.1.1.5 external/bsd/bind/dist/bin/tests/system/staticstub/ns2/named.conf.in: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/staticstub/ns3/named.conf.in: up to 1.1.1.4 external/bsd/bind/dist/bin/tests/system/staticstub/ns3/sign.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/staticstub/ns3/undelegated.db.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/staticstub/tests.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/statistics/Makefile.in: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statistics/clean.sh: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/statistics/ns1/named.conf: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/statistics/ns1/zone.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statistics/tests.sh: up to 1.1.1.2 external/bsd/bind/dist/bin/tests/system/statistics/xmlstats.c: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/clean.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/fetch.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/ns2/example.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/ns2/named.conf: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/prereq.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/server-json.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/server-xml.pl: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/statschannel/tests.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/stress/prereq.sh: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/stress/tests.sh: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/tkey/Makefile.in: up to 1.1.1.8 external/bsd/bind/dist/bin/tests/system/tkey/keycreate.c: up to 1.8 external/bsd/bind/dist/bin/tests/system/tkey/keydelete.c: up to 1.7 external/bsd/bind/dist/bin/tests/system/views/ns2/1.10.in-addr.arpa.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/views/ns2/named2.conf: up to 1.1.1.6 external/bsd/bind/dist/bin/tests/system/xfer/tests.sh: up to 1.1.1.10 external/bsd/bind/dist/bin/tests/system/zonechecks/bigserial.db: up to 1.1.1.1 external/bsd/bind/dist/bin/tests/system/zonechecks/ns1/named.conf: up to 1.1.1.3 external/bsd/bind/dist/bin/tests/system/zonechecks/setup.sh: up to 1.1.1.4 external/bsd/bind/dist/bin/tests/system/zonechecks/tests.sh: up to 1.1.1.7 external/bsd/bind/dist/bin/tests/task_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/tasks/t_tasks.c: up to 1.8 external/bsd/bind/dist/bin/tests/timer_test.c: up to 1.9 external/bsd/bind/dist/bin/tests/wire_test.c: up to 1.7 external/bsd/bind/dist/bin/tests/zone_test.c: up to 1.9 external/bsd/bind/dist/bin/tools/arpaname.c: up to 1.5 external/bsd/bind/dist/bin/tools/isc-hmac-fixup.c: up to 1.8 external/bsd/bind/dist/bin/tools/named-journalprint.c: up to 1.7 external/bsd/bind/dist/bin/tools/named-rrchecker.c: up to 1.1.1.4 external/bsd/bind/dist/bin/win32/BINDInstall/BINDInstallDlg.cpp: up to 1.1.1.10 external/bsd/bind/dist/bin/win32/BINDInstall/VersionInfo.cpp: up to 1.1.1.2 external/bsd/bind/dist/config.h.in: up to 1.12 external/bsd/bind/dist/config.h.win32: up to 1.1.1.12 external/bsd/bind/dist/configure: up to 1.5 external/bsd/bind/dist/configure.in: up to 1.8 external/bsd/bind/dist/contrib/README: up to 1.1.1.3 external/bsd/bind/dist/contrib/scripts/dnssec-keyset.sh: up to 1.1.1.1 external/bsd/bind/dist/doc/arm/Bv9ARM-book.xml: up to 1.1.1.19 external/bsd/bind/dist/doc/arm/Bv9ARM.ch01.html: up to 1.1.1.18 external/bsd/bind/dist/doc/arm/Bv9ARM.ch02.html: up to 1.1.1.15 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external/bsd/bind/dist/lib/isc/task.c: up to 1.12 external/bsd/bind/dist/lib/isc/tests/Makefile.in: up to 1.1.1.10 external/bsd/bind/dist/lib/isc/tests/hash_test.c: up to 1.1.1.8 external/bsd/bind/dist/lib/isc/tests/mem_test.c: up to 1.1.1.2 external/bsd/bind/dist/lib/isc/tests/print_test.c: up to 1.1.1.5 external/bsd/bind/dist/lib/isc/tests/regex_test.c: up to 1.1.1.4 external/bsd/bind/dist/lib/isc/tests/safe_test.c: up to 1.4 external/bsd/bind/dist/lib/isc/tests/socket_test.c: up to 1.1.1.7 external/bsd/bind/dist/lib/isc/timer.c: up to 1.11 external/bsd/bind/dist/lib/isc/unix/app.c: up to 1.14 external/bsd/bind/dist/lib/isc/unix/file.c: up to 1.10 external/bsd/bind/dist/lib/isc/unix/ifiter_ioctl.c: up to 1.6 external/bsd/bind/dist/lib/isc/unix/ifiter_sysctl.c: up to 1.6 external/bsd/bind/dist/lib/isc/unix/include/isc/offset.h: up to 1.5 external/bsd/bind/dist/lib/isc/unix/net.c: up to 1.9 external/bsd/bind/dist/lib/isc/unix/socket.c: up to 1.18 external/bsd/bind/dist/lib/isc/win32/interfaceiter.c: up to 1.7 external/bsd/bind/dist/lib/isc/win32/libisc.def.exclude: up to 1.1.1.1 external/bsd/bind/dist/lib/isc/win32/libisc.def.in: up to 1.1.1.7 external/bsd/bind/dist/lib/isc/win32/libisc.vcxproj.in: up to 1.1.1.6 external/bsd/bind/dist/lib/isc/win32/net.c: up to 1.9 external/bsd/bind/dist/lib/isc/win32/win32os.c: up to 1.7 external/bsd/bind/dist/lib/isccc/Makefile.in: up to 1.1.1.10 external/bsd/bind/dist/lib/isccc/alist.c: up to 1.5 external/bsd/bind/dist/lib/isccc/api: up to 1.1.1.11 external/bsd/bind/dist/lib/isccc/cc.c: up to 1.10 external/bsd/bind/dist/lib/isccc/sexpr.c: up to 1.6 external/bsd/bind/dist/lib/isccfg/api: up to 1.1.1.17 external/bsd/bind/dist/lib/isccfg/include/isccfg/cfg.h: up to 1.7 external/bsd/bind/dist/lib/isccfg/include/isccfg/grammar.h: up to 1.6 external/bsd/bind/dist/lib/isccfg/namedconf.c: up to 1.12 external/bsd/bind/dist/lib/isccfg/parser.c: up to 1.10 external/bsd/bind/dist/lib/isccfg/win32/libisccfg.def: up to 1.1.1.8 external/bsd/bind/dist/lib/lwres/api: up to 1.1.1.14 external/bsd/bind/dist/lib/lwres/herror.c: up to 1.7 external/bsd/bind/dist/lib/lwres/print.c: up to 1.7 external/bsd/bind/dist/lib/lwres/win32/socket.c: up to 1.5 external/bsd/bind/dist/lib/samples/nsprobe.c: up to 1.1.1.6 external/bsd/bind/dist/lib/samples/resolve.c: up to 1.1.1.5 external/bsd/bind/dist/lib/samples/sample-async.c: up to 1.1.1.5 external/bsd/bind/dist/lib/samples/sample-gai.c: up to 1.1.1.5 external/bsd/bind/dist/lib/samples/sample-request.c: up to 1.1.1.6 external/bsd/bind/dist/lib/samples/sample-update.c: up to 1.1.1.6 external/bsd/bind/dist/srcid: up to 1.14 external/bsd/bind/dist/version: up to 1.18 external/bsd/bind/dist/win32utils/Configure: up to 1.1.1.5 external/bsd/bind/dist/win32utils/index.html: up to 1.1.1.7 external/bsd/bind/dist/win32utils/legacy/BuildSetup.bat.in: up to 1.1.1.5 external/bsd/bind/include/config.h: up to 1.18 external/bsd/bind/include/dns/enumclass.h: up to 1.8 external/bsd/bind/include/dns/enumtype.h: up to 1.11 external/bsd/bind/include/dns/rdatastruct.h: up to 1.11 external/bsd/bind/include/isc/platform.h: up to 1.21 external/bsd/bind/include/lwres/platform.h: up to 1.7 external/bsd/bind/lib/libbind9/shlib_version: up to 1.16 external/bsd/bind/lib/libdns/shlib_version: up to 1.18 external/bsd/bind/lib/libirs/shlib_version: up to 1.5 external/bsd/bind/lib/libisc/shlib_version: up to 1.18 external/bsd/bind/lib/libisccc/shlib_version: up to 1.16 external/bsd/bind/lib/libisccfg/shlib_version: up to 1.16 external/bsd/bind/lib/liblwres/shlib_version: up to 1.16 Update BIND to 9.10.3-P4.

/*	$NetBSD: app.c,v 1.11.2.1.2.1 2016/03/13 08:00:38 martin Exp $	*/

/*
 * Copyright (C) 2004, 2005, 2007-2009, 2013-2015  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1999-2003  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/*! \file */

#include <config.h>

#include <sys/param.h>	/* Openserver 5.0.6A and FD_SETSIZE */
#include <sys/types.h>

#include <stddef.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <sys/time.h>
#ifdef HAVE_EPOLL
#include <sys/epoll.h>
#endif

#include <isc/app.h>
#include <isc/boolean.h>
#include <isc/condition.h>
#include <isc/mem.h>
#include <isc/msgs.h>
#include <isc/mutex.h>
#include <isc/event.h>
#include <isc/platform.h>
#include <isc/strerror.h>
#include <isc/string.h>
#include <isc/task.h>
#include <isc/time.h>
#include <isc/util.h>

#ifdef ISC_PLATFORM_USETHREADS
#include <pthread.h>
#endif

/*%
 * For BIND9 internal applications built with threads, we use a single app
 * context and let multiple worker, I/O, timer threads do actual jobs.
 * For other cases (including BIND9 built without threads) an app context acts
 * as an event loop dispatching various events.
 */
#ifndef ISC_PLATFORM_USETHREADS
#include "../timer_p.h"
#include "../task_p.h"
#include "socket_p.h"
#endif /* ISC_PLATFORM_USETHREADS */

#ifdef ISC_PLATFORM_USETHREADS
static pthread_t		blockedthread;
#endif /* ISC_PLATFORM_USETHREADS */

/*%
 * The following are intended for internal use (indicated by "isc__"
 * prefix) but are not declared as static, allowing direct access from
 * unit tests etc.
 */
isc_result_t isc__app_start(void);
isc_result_t isc__app_ctxstart(isc_appctx_t *ctx);
isc_result_t isc__app_onrun(isc_mem_t *mctx, isc_task_t *task,
			    isc_taskaction_t action, void *arg);
isc_result_t isc__app_ctxrun(isc_appctx_t *ctx);
isc_result_t isc__app_run(void);
isc_result_t isc__app_ctxshutdown(isc_appctx_t *ctx);
isc_result_t isc__app_shutdown(void);
isc_result_t isc__app_reload(void);
isc_result_t isc__app_ctxsuspend(isc_appctx_t *ctx);
void isc__app_ctxfinish(isc_appctx_t *ctx);
void isc__app_finish(void);
void isc__app_block(void);
void isc__app_unblock(void);
isc_result_t isc__appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp);
void isc__appctx_destroy(isc_appctx_t **ctxp);
void isc__appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr);
void isc__appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr);
void isc__appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr);
isc_result_t isc__app_ctxonrun(isc_appctx_t *ctx, isc_mem_t *mctx,
			       isc_task_t *task, isc_taskaction_t action,
			       void *arg);

/*
 * The application context of this module.  This implementation actually
 * doesn't use it. (This may change in the future).
 */
#define APPCTX_MAGIC		ISC_MAGIC('A', 'p', 'c', 'x')
#define VALID_APPCTX(c)		ISC_MAGIC_VALID(c, APPCTX_MAGIC)

typedef struct isc__appctx {
	isc_appctx_t		common;
	isc_mem_t		*mctx;
	isc_mutex_t		lock;
	isc_eventlist_t		on_run;
	isc_boolean_t		shutdown_requested;
	isc_boolean_t		running;

	/*!
	 * We assume that 'want_shutdown' can be read and written atomically.
	 */
	isc_boolean_t		want_shutdown;
	/*
	 * We assume that 'want_reload' can be read and written atomically.
	 */
	isc_boolean_t		want_reload;

	isc_boolean_t		blocked;

	isc_taskmgr_t		*taskmgr;
	isc_socketmgr_t		*socketmgr;
	isc_timermgr_t		*timermgr;
#ifdef ISC_PLATFORM_USETHREADS
	isc_mutex_t		readylock;
	isc_condition_t		ready;
#endif /* ISC_PLATFORM_USETHREADS */
} isc__appctx_t;

static isc__appctx_t isc_g_appctx;

static struct {
	isc_appmethods_t methods;

	/*%
	 * The following are defined just for avoiding unused static functions.
	 */
	void *run, *shutdown, *start, *reload, *finish, *block, *unblock;
} appmethods = {
	{
		isc__appctx_destroy,
		isc__app_ctxstart,
		isc__app_ctxrun,
		isc__app_ctxsuspend,
		isc__app_ctxshutdown,
		isc__app_ctxfinish,
		isc__appctx_settaskmgr,
		isc__appctx_setsocketmgr,
		isc__appctx_settimermgr,
		isc__app_ctxonrun
	},
	(void *)isc__app_run,
	(void *)isc__app_shutdown,
	(void *)isc__app_start,
	(void *)isc__app_reload,
	(void *)isc__app_finish,
	(void *)isc__app_block,
	(void *)isc__app_unblock
};

#ifdef HAVE_LINUXTHREADS
/*!
 * Linux has sigwait(), but it appears to prevent signal handlers from
 * running, even if they're not in the set being waited for.  This makes
 * it impossible to get the default actions for SIGILL, SIGSEGV, etc.
 * Instead of messing with it, we just use sigsuspend() instead.
 */
#undef HAVE_SIGWAIT
/*!
 * We need to remember which thread is the main thread...
 */
static pthread_t		main_thread;
#endif

#ifndef HAVE_SIGWAIT
static void
exit_action(int arg) {
	UNUSED(arg);
	isc_g_appctx.want_shutdown = ISC_TRUE;
}

static void
reload_action(int arg) {
	UNUSED(arg);
	isc_g_appctx.want_reload = ISC_TRUE;
}
#endif

static isc_result_t
handle_signal(int sig, void (*handler)(int)) {
	struct sigaction sa;
	char strbuf[ISC_STRERRORSIZE];

	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = handler;

	if (sigfillset(&sa.sa_mask) != 0 ||
	    sigaction(sig, &sa, NULL) < 0) {
		isc__strerror(errno, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 isc_msgcat_get(isc_msgcat, ISC_MSGSET_APP,
					       ISC_MSG_SIGNALSETUP,
					       "handle_signal() %d setup: %s"),
				 sig, strbuf);
		return (ISC_R_UNEXPECTED);
	}

	return (ISC_R_SUCCESS);
}

isc_result_t
isc__app_ctxstart(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	isc_result_t result;
	int presult;
	sigset_t sset;
	char strbuf[ISC_STRERRORSIZE];

	REQUIRE(VALID_APPCTX(ctx));

	/*
	 * Start an ISC library application.
	 */

#ifdef NEED_PTHREAD_INIT
	/*
	 * BSDI 3.1 seg faults in pthread_sigmask() if we don't do this.
	 */
	presult = pthread_init();
	if (presult != 0) {
		isc__strerror(presult, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_app_start() pthread_init: %s", strbuf);
		return (ISC_R_UNEXPECTED);
	}
#endif

#ifdef ISC_PLATFORM_USETHREADS
#ifdef HAVE_LINUXTHREADS
	main_thread = pthread_self();
#endif /* HAVE_LINUXTHREADS */

	result = isc_mutex_init(&ctx->readylock);
	if (result != ISC_R_SUCCESS)
		return (result);

	result = isc_condition_init(&ctx->ready);
	if (result != ISC_R_SUCCESS)
		goto cleanup_rlock;

	result = isc_mutex_init(&ctx->lock);
	if (result != ISC_R_SUCCESS)
		goto cleanup_rcond;
#else /* ISC_PLATFORM_USETHREADS */
	result = isc_mutex_init(&ctx->lock);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
#endif /* ISC_PLATFORM_USETHREADS */

	ISC_LIST_INIT(ctx->on_run);

	ctx->shutdown_requested = ISC_FALSE;
	ctx->running = ISC_FALSE;
	ctx->want_shutdown = ISC_FALSE;
	ctx->want_reload = ISC_FALSE;
	ctx->blocked = ISC_FALSE;

#ifndef HAVE_SIGWAIT
	/*
	 * Install do-nothing handlers for SIGINT and SIGTERM.
	 *
	 * We install them now because BSDI 3.1 won't block
	 * the default actions, regardless of what we do with
	 * pthread_sigmask().
	 */
	result = handle_signal(SIGINT, exit_action);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
	result = handle_signal(SIGTERM, exit_action);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
#endif

	/*
	 * Always ignore SIGPIPE.
	 */
	result = handle_signal(SIGPIPE, SIG_IGN);
	if (result != ISC_R_SUCCESS)
		goto cleanup;

	/*
	 * On Solaris 2, delivery of a signal whose action is SIG_IGN
	 * will not cause sigwait() to return. We may have inherited
	 * unexpected actions for SIGHUP, SIGINT, and SIGTERM from our parent
	 * process (e.g, Solaris cron).  Set an action of SIG_DFL to make
	 * sure sigwait() works as expected.  Only do this for SIGTERM and
	 * SIGINT if we don't have sigwait(), since a different handler is
	 * installed above.
	 */
	result = handle_signal(SIGHUP, SIG_DFL);
	if (result != ISC_R_SUCCESS)
		goto cleanup;

#ifdef HAVE_SIGWAIT
	result = handle_signal(SIGTERM, SIG_DFL);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
	result = handle_signal(SIGINT, SIG_DFL);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
#endif

#ifdef ISC_PLATFORM_USETHREADS
	if (isc_bind9) {
	/*
	 * Block SIGHUP, SIGINT, SIGTERM.
	 *
	 * If isc_app_start() is called from the main thread before any other
	 * threads have been created, then the pthread_sigmask() call below
	 * will result in all threads having SIGHUP, SIGINT and SIGTERM
	 * blocked by default, ensuring that only the thread that calls
	 * sigwait() for them will get those signals.
	 */
	if (sigemptyset(&sset) != 0 ||
	    sigaddset(&sset, SIGHUP) != 0 ||
	    sigaddset(&sset, SIGINT) != 0 ||
	    sigaddset(&sset, SIGTERM) != 0) {
		isc__strerror(errno, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_app_start() sigsetops: %s", strbuf);
		result = ISC_R_UNEXPECTED;
		goto cleanup;
	}
	presult = pthread_sigmask(SIG_BLOCK, &sset, NULL);
	if (presult != 0) {
		isc__strerror(presult, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_app_start() pthread_sigmask: %s",
				 strbuf);
		result = ISC_R_UNEXPECTED;
		goto cleanup;
	}
	}
#else /* ISC_PLATFORM_USETHREADS */
	/*
	 * Unblock SIGHUP, SIGINT, SIGTERM.
	 *
	 * If we're not using threads, we need to make sure that SIGHUP,
	 * SIGINT and SIGTERM are not inherited as blocked from the parent
	 * process.
	 */
	if (sigemptyset(&sset) != 0 ||
	    sigaddset(&sset, SIGHUP) != 0 ||
	    sigaddset(&sset, SIGINT) != 0 ||
	    sigaddset(&sset, SIGTERM) != 0) {
		isc__strerror(errno, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_app_start() sigsetops: %s", strbuf);
		result = ISC_R_UNEXPECTED;
		goto cleanup;
	}
	presult = sigprocmask(SIG_UNBLOCK, &sset, NULL);
	if (presult != 0) {
		isc__strerror(errno, strbuf, sizeof(strbuf));
		UNEXPECTED_ERROR(__FILE__, __LINE__,
				 "isc_app_start() sigprocmask: %s", strbuf);
		result = ISC_R_UNEXPECTED;
		goto cleanup;
	}
#endif /* ISC_PLATFORM_USETHREADS */

	return (ISC_R_SUCCESS);

 cleanup:
#ifdef ISC_PLATFORM_USETHREADS
 cleanup_rcond:
	(void)isc_condition_destroy(&ctx->ready);

 cleanup_rlock:
	(void)isc_mutex_destroy(&ctx->readylock);
#endif /* ISC_PLATFORM_USETHREADS */
	return (result);
}

isc_result_t
isc__app_start(void) {
	isc_g_appctx.common.impmagic = APPCTX_MAGIC;
	isc_g_appctx.common.magic = ISCAPI_APPCTX_MAGIC;
	isc_g_appctx.common.methods = &appmethods.methods;
	isc_g_appctx.mctx = NULL;
	/* The remaining members will be initialized in ctxstart() */

	return (isc__app_ctxstart((isc_appctx_t *)&isc_g_appctx));
}

isc_result_t
isc__app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
	      void *arg)
{
	return (isc__app_ctxonrun((isc_appctx_t *)&isc_g_appctx, mctx,
				  task, action, arg));
}

isc_result_t
isc__app_ctxonrun(isc_appctx_t *ctx0, isc_mem_t *mctx, isc_task_t *task,
		  isc_taskaction_t action, void *arg)
{
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	isc_event_t *event;
	isc_task_t *cloned_task = NULL;
	isc_result_t result;

	LOCK(&ctx->lock);

	if (ctx->running) {
		result = ISC_R_ALREADYRUNNING;
		goto unlock;
	}

	/*
	 * Note that we store the task to which we're going to send the event
	 * in the event's "sender" field.
	 */
	isc_task_attach(task, &cloned_task);
	event = isc_event_allocate(mctx, cloned_task, ISC_APPEVENT_SHUTDOWN,
				   action, arg, sizeof(*event));
	if (event == NULL) {
		result = ISC_R_NOMEMORY;
		goto unlock;
	}

	ISC_LIST_APPEND(ctx->on_run, event, ev_link);

	result = ISC_R_SUCCESS;

 unlock:
	UNLOCK(&ctx->lock);

	return (result);
}

#ifndef ISC_PLATFORM_USETHREADS
/*!
 * Event loop for nonthreaded programs.
 */
static isc_result_t
evloop(isc__appctx_t *ctx) {
	isc_result_t result;

	while (!ctx->want_shutdown) {
		int n;
		isc_time_t when, now;
		struct timeval tv, *tvp;
		isc_socketwait_t *swait;
		isc_boolean_t readytasks;
		isc_boolean_t call_timer_dispatch = ISC_FALSE;

		/*
		 * Check the reload (or suspend) case first for exiting the
		 * loop as fast as possible in case:
		 *   - the direct call to isc__taskmgr_dispatch() in
		 *     isc__app_ctxrun() completes all the tasks so far,
		 *   - there is thus currently no active task, and
		 *   - there is a timer event
		 */
		if (ctx->want_reload) {
			ctx->want_reload = ISC_FALSE;
			return (ISC_R_RELOAD);
		}

		readytasks = isc__taskmgr_ready(ctx->taskmgr);
		if (readytasks) {
			tv.tv_sec = 0;
			tv.tv_usec = 0;
			tvp = &tv;
			call_timer_dispatch = ISC_TRUE;
		} else {
			result = isc__timermgr_nextevent(ctx->timermgr, &when);
			if (result != ISC_R_SUCCESS)
				tvp = NULL;
			else {
				isc_uint64_t us;

				TIME_NOW(&now);
				us = isc_time_microdiff(&when, &now);
				if (us == 0)
					call_timer_dispatch = ISC_TRUE;
				tv.tv_sec = us / 1000000;
				tv.tv_usec = us % 1000000;
				tvp = &tv;
			}
		}

		swait = NULL;
		n = isc__socketmgr_waitevents(ctx->socketmgr, tvp, &swait);

		if (n == 0 || call_timer_dispatch) {
			/*
			 * We call isc__timermgr_dispatch() only when
			 * necessary, in order to reduce overhead.  If the
			 * select() call indicates a timeout, we need the
			 * dispatch.  Even if not, if we set the 0-timeout
			 * for the select() call, we need to check the timer
			 * events.  In the 'readytasks' case, there may be no
			 * timeout event actually, but there is no other way
			 * to reduce the overhead.
			 * Note that we do not have to worry about the case
			 * where a new timer is inserted during the select()
			 * call, since this loop only runs in the non-thread
			 * mode.
			 */
			isc__timermgr_dispatch(ctx->timermgr);
		}
		if (n > 0)
			(void)isc__socketmgr_dispatch(ctx->socketmgr, swait);
		(void)isc__taskmgr_dispatch(ctx->taskmgr);
	}
	return (ISC_R_SUCCESS);
}

/*
 * This is a gross hack to support waiting for condition
 * variables in nonthreaded programs in a limited way;
 * see lib/isc/nothreads/include/isc/condition.h.
 * We implement isc_condition_wait() by entering the
 * event loop recursively until the want_shutdown flag
 * is set by isc_condition_signal().
 */

/*!
 * \brief True if we are currently executing in the recursive
 * event loop.
 */
static isc_boolean_t in_recursive_evloop = ISC_FALSE;

/*!
 * \brief True if we are exiting the event loop as the result of
 * a call to isc_condition_signal() rather than a shutdown
 * or reload.
 */
static isc_boolean_t signalled = ISC_FALSE;

isc_result_t
isc__nothread_wait_hack(isc_condition_t *cp, isc_mutex_t *mp) {
	isc_result_t result;

	UNUSED(cp);
	UNUSED(mp);

	INSIST(!in_recursive_evloop);
	in_recursive_evloop = ISC_TRUE;

	INSIST(*mp == 1); /* Mutex must be locked on entry. */
	--*mp;

	result = evloop(&isc_g_appctx);
	if (result == ISC_R_RELOAD)
		isc_g_appctx.want_reload = ISC_TRUE;
	if (signalled) {
		isc_g_appctx.want_shutdown = ISC_FALSE;
		signalled = ISC_FALSE;
	}

	++*mp;
	in_recursive_evloop = ISC_FALSE;
	return (ISC_R_SUCCESS);
}

isc_result_t
isc__nothread_signal_hack(isc_condition_t *cp) {

	UNUSED(cp);

	INSIST(in_recursive_evloop);

	isc_g_appctx.want_shutdown = ISC_TRUE;
	signalled = ISC_TRUE;
	return (ISC_R_SUCCESS);
}
#endif /* ISC_PLATFORM_USETHREADS */

isc_result_t
isc__app_ctxrun(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	int result;
	isc_event_t *event, *next_event;
	isc_task_t *task;
#ifdef ISC_PLATFORM_USETHREADS
	sigset_t sset;
	char strbuf[ISC_STRERRORSIZE];
#ifdef HAVE_SIGWAIT
	int sig;
#endif /* HAVE_SIGWAIT */
#endif /* ISC_PLATFORM_USETHREADS */

	REQUIRE(VALID_APPCTX(ctx));

#ifdef HAVE_LINUXTHREADS
	REQUIRE(main_thread == pthread_self());
#endif

	LOCK(&ctx->lock);

	if (!ctx->running) {
		ctx->running = ISC_TRUE;

		/*
		 * Post any on-run events (in FIFO order).
		 */
		for (event = ISC_LIST_HEAD(ctx->on_run);
		     event != NULL;
		     event = next_event) {
			next_event = ISC_LIST_NEXT(event, ev_link);
			ISC_LIST_UNLINK(ctx->on_run, event, ev_link);
			task = event->ev_sender;
			event->ev_sender = NULL;
			isc_task_sendanddetach(&task, &event);
		}

	}

	UNLOCK(&ctx->lock);

#ifndef ISC_PLATFORM_USETHREADS
	if (isc_bind9 && ctx == &isc_g_appctx) {
		result = handle_signal(SIGHUP, reload_action);
		if (result != ISC_R_SUCCESS)
			return (ISC_R_SUCCESS);
	}

	(void) isc__taskmgr_dispatch(ctx->taskmgr);
	result = evloop(ctx);
	return (result);
#else /* ISC_PLATFORM_USETHREADS */
	/*
	 * BIND9 internal tools using multiple contexts do not
	 * rely on signal.
	 */
	if (isc_bind9 && ctx != &isc_g_appctx)
		return (ISC_R_SUCCESS);

	/*
	 * There is no danger if isc_app_shutdown() is called before we
	 * wait for signals.  Signals are blocked, so any such signal will
	 * simply be made pending and we will get it when we call
	 * sigwait().
	 */
	while (!ctx->want_shutdown) {
#ifdef HAVE_SIGWAIT
		if (isc_bind9) {
			/*
			 * BIND9 internal; single context:
			 * Wait for SIGHUP, SIGINT, or SIGTERM.
			 */
			if (sigemptyset(&sset) != 0 ||
			    sigaddset(&sset, SIGHUP) != 0 ||
			    sigaddset(&sset, SIGINT) != 0 ||
			    sigaddset(&sset, SIGTERM) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}

#ifndef HAVE_UNIXWARE_SIGWAIT
			result = sigwait(&sset, &sig);
			if (result == 0) {
				if (sig == SIGINT || sig == SIGTERM)
					ctx->want_shutdown = ISC_TRUE;
				else if (sig == SIGHUP)
					ctx->want_reload = ISC_TRUE;
			}

#else /* Using UnixWare sigwait semantics. */
			sig = sigwait(&sset);
			if (sig >= 0) {
				if (sig == SIGINT || sig == SIGTERM)
					ctx->want_shutdown = ISC_TRUE;
				else if (sig == SIGHUP)
					ctx->want_reload = ISC_TRUE;
			}
#endif /* HAVE_UNIXWARE_SIGWAIT */
		} else {
			/*
			 * External, or BIND9 using multiple contexts:
			 * wait until woken up.
			 */
			LOCK(&ctx->readylock);
			if (ctx->want_shutdown) {
				/* shutdown() won the race. */
				UNLOCK(&ctx->readylock);
				break;
			}
			if (!ctx->want_reload)
				WAIT(&ctx->ready, &ctx->readylock);
			UNLOCK(&ctx->readylock);
		}
#else  /* Don't have sigwait(). */
		if (isc_bind9) {
			/*
			 * BIND9 internal; single context:
			 * Install a signal handler for SIGHUP, then wait for
			 * all signals.
			 */
			result = handle_signal(SIGHUP, reload_action);
			if (result != ISC_R_SUCCESS)
				return (ISC_R_SUCCESS);

			if (sigemptyset(&sset) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}
#ifdef HAVE_GPERFTOOLS_PROFILER
			if (sigaddset(&sset, SIGALRM) != 0) {
				isc__strerror(errno, strbuf, sizeof(strbuf));
				UNEXPECTED_ERROR(__FILE__, __LINE__,
						 "isc_app_run() sigsetops: %s",
						 strbuf);
				return (ISC_R_UNEXPECTED);
			}
#endif
			(void)sigsuspend(&sset);
		} else {
			/*
			 * External, or BIND9 using multiple contexts:
			 * wait until woken up.
			 */
			LOCK(&ctx->readylock);
			if (ctx->want_shutdown) {
				/* shutdown() won the race. */
				UNLOCK(&ctx->readylock);
				break;
			}
			if (!ctx->want_reload)
				WAIT(&ctx->ready, &ctx->readylock);
			UNLOCK(&ctx->readylock);
		}
#endif /* HAVE_SIGWAIT */

		if (ctx->want_reload) {
			ctx->want_reload = ISC_FALSE;
			return (ISC_R_RELOAD);
		}

		if (ctx->want_shutdown && ctx->blocked)
			exit(1);
	}

	return (ISC_R_SUCCESS);
#endif /* ISC_PLATFORM_USETHREADS */
}

isc_result_t
isc__app_run(void) {
	return (isc__app_ctxrun((isc_appctx_t *)&isc_g_appctx));
}

isc_result_t
isc__app_ctxshutdown(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	isc_boolean_t want_kill = ISC_TRUE;
#ifdef ISC_PLATFORM_USETHREADS
	char strbuf[ISC_STRERRORSIZE];
#endif /* ISC_PLATFORM_USETHREADS */

	REQUIRE(VALID_APPCTX(ctx));

	LOCK(&ctx->lock);

	REQUIRE(ctx->running);

	if (ctx->shutdown_requested)
		want_kill = ISC_FALSE;
	else
		ctx->shutdown_requested = ISC_TRUE;

	UNLOCK(&ctx->lock);

	if (want_kill) {
		if (isc_bind9 && ctx != &isc_g_appctx)
			/* BIND9 internal, but using multiple contexts */
			ctx->want_shutdown = ISC_TRUE;
		else {
#ifndef ISC_PLATFORM_USETHREADS
			ctx->want_shutdown = ISC_TRUE;
#else /* ISC_PLATFORM_USETHREADS */
#ifdef HAVE_LINUXTHREADS
			if (isc_bind9) {
				/* BIND9 internal, single context */
				int result;

				result = pthread_kill(main_thread, SIGTERM);
				if (result != 0) {
					isc__strerror(result,
						      strbuf, sizeof(strbuf));
					UNEXPECTED_ERROR(__FILE__, __LINE__,
							 "isc_app_shutdown() "
							 "pthread_kill: %s",
							 strbuf);
					return (ISC_R_UNEXPECTED);
				}
			}
#else
			if (isc_bind9) {
				/* BIND9 internal, single context */
				if (kill(getpid(), SIGTERM) < 0) {
					isc__strerror(errno,
						      strbuf, sizeof(strbuf));
					UNEXPECTED_ERROR(__FILE__, __LINE__,
							 "isc_app_shutdown() "
							 "kill: %s", strbuf);
					return (ISC_R_UNEXPECTED);
				}
			}
#endif /* HAVE_LINUXTHREADS */
			else {
				/* External, multiple contexts */
				LOCK(&ctx->readylock);
				ctx->want_shutdown = ISC_TRUE;
				UNLOCK(&ctx->readylock);
				SIGNAL(&ctx->ready);
			}
#endif /* ISC_PLATFORM_USETHREADS */
		}
	}

	return (ISC_R_SUCCESS);
}

isc_result_t
isc__app_shutdown(void) {
	return (isc__app_ctxshutdown((isc_appctx_t *)&isc_g_appctx));
}

isc_result_t
isc__app_ctxsuspend(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
	isc_boolean_t want_kill = ISC_TRUE;
#ifdef ISC_PLATFORM_USETHREADS
	char strbuf[ISC_STRERRORSIZE];
#endif

	REQUIRE(VALID_APPCTX(ctx));

	LOCK(&ctx->lock);

	REQUIRE(ctx->running);

	/*
	 * Don't send the reload signal if we're shutting down.
	 */
	if (ctx->shutdown_requested)
		want_kill = ISC_FALSE;

	UNLOCK(&ctx->lock);

	if (want_kill) {
		if (isc_bind9 && ctx != &isc_g_appctx)
			/* BIND9 internal, but using multiple contexts */
			ctx->want_reload = ISC_TRUE;
		else {
#ifndef ISC_PLATFORM_USETHREADS
			ctx->want_reload = ISC_TRUE;
#else /* ISC_PLATFORM_USETHREADS */
#ifdef HAVE_LINUXTHREADS
			if (isc_bind9) {
				/* BIND9 internal, single context */
				int result;

				result = pthread_kill(main_thread, SIGHUP);
				if (result != 0) {
					isc__strerror(result,
						      strbuf, sizeof(strbuf));
					UNEXPECTED_ERROR(__FILE__, __LINE__,
							 "isc_app_reload() "
							 "pthread_kill: %s",
							 strbuf);
					return (ISC_R_UNEXPECTED);
				}
			}
#else
			if (isc_bind9) {
				/* BIND9 internal, single context */
				if (kill(getpid(), SIGHUP) < 0) {
					isc__strerror(errno,
						      strbuf, sizeof(strbuf));
					UNEXPECTED_ERROR(__FILE__, __LINE__,
							 "isc_app_reload() "
							 "kill: %s", strbuf);
					return (ISC_R_UNEXPECTED);
				}
			}
#endif /* HAVE_LINUXTHREADS */
			else {
				/* External, multiple contexts */
				LOCK(&ctx->readylock);
				ctx->want_reload = ISC_TRUE;
				UNLOCK(&ctx->readylock);
				SIGNAL(&ctx->ready);
			}
#endif /* ISC_PLATFORM_USETHREADS */
		}
	}

	return (ISC_R_SUCCESS);
}

isc_result_t
isc__app_reload(void) {
	return (isc__app_ctxsuspend((isc_appctx_t *)&isc_g_appctx));
}

void
isc__app_ctxfinish(isc_appctx_t *ctx0) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;

	REQUIRE(VALID_APPCTX(ctx));

	DESTROYLOCK(&ctx->lock);
}

void
isc__app_finish(void) {
	isc__app_ctxfinish((isc_appctx_t *)&isc_g_appctx);
}

void
isc__app_block(void) {
#ifdef ISC_PLATFORM_USETHREADS
	sigset_t sset;
#endif /* ISC_PLATFORM_USETHREADS */
	REQUIRE(isc_g_appctx.running);
	REQUIRE(!isc_g_appctx.blocked);

	isc_g_appctx.blocked = ISC_TRUE;
#ifdef ISC_PLATFORM_USETHREADS
	blockedthread = pthread_self();
	RUNTIME_CHECK(sigemptyset(&sset) == 0 &&
		      sigaddset(&sset, SIGINT) == 0 &&
		      sigaddset(&sset, SIGTERM) == 0);
	RUNTIME_CHECK(pthread_sigmask(SIG_UNBLOCK, &sset, NULL) == 0);
#endif /* ISC_PLATFORM_USETHREADS */
}

void
isc__app_unblock(void) {
#ifdef ISC_PLATFORM_USETHREADS
	sigset_t sset;
#endif /* ISC_PLATFORM_USETHREADS */

	REQUIRE(isc_g_appctx.running);
	REQUIRE(isc_g_appctx.blocked);

	isc_g_appctx.blocked = ISC_FALSE;

#ifdef ISC_PLATFORM_USETHREADS
	REQUIRE(blockedthread == pthread_self());

	RUNTIME_CHECK(sigemptyset(&sset) == 0 &&
		      sigaddset(&sset, SIGINT) == 0 &&
		      sigaddset(&sset, SIGTERM) == 0);
	RUNTIME_CHECK(pthread_sigmask(SIG_BLOCK, &sset, NULL) == 0);
#endif /* ISC_PLATFORM_USETHREADS */
}

isc_result_t
isc__appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
	isc__appctx_t *ctx;

	REQUIRE(mctx != NULL);
	REQUIRE(ctxp != NULL && *ctxp == NULL);

	ctx = isc_mem_get(mctx, sizeof(*ctx));
	if (ctx == NULL)
		return (ISC_R_NOMEMORY);

	ctx->common.impmagic = APPCTX_MAGIC;
	ctx->common.magic = ISCAPI_APPCTX_MAGIC;
	ctx->common.methods = &appmethods.methods;

	ctx->mctx = NULL;
	isc_mem_attach(mctx, &ctx->mctx);

	ctx->taskmgr = NULL;
	ctx->socketmgr = NULL;
	ctx->timermgr = NULL;

	*ctxp = (isc_appctx_t *)ctx;

	return (ISC_R_SUCCESS);
}

void
isc__appctx_destroy(isc_appctx_t **ctxp) {
	isc__appctx_t *ctx;

	REQUIRE(ctxp != NULL);
	ctx = (isc__appctx_t *)*ctxp;
	REQUIRE(VALID_APPCTX(ctx));

	isc_mem_putanddetach(&ctx->mctx, ctx, sizeof(*ctx));

	*ctxp = NULL;
}

void
isc__appctx_settaskmgr(isc_appctx_t *ctx0, isc_taskmgr_t *taskmgr) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;

	REQUIRE(VALID_APPCTX(ctx));

	ctx->taskmgr = taskmgr;
}

void
isc__appctx_setsocketmgr(isc_appctx_t *ctx0, isc_socketmgr_t *socketmgr) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;

	REQUIRE(VALID_APPCTX(ctx));

	ctx->socketmgr = socketmgr;
}

void
isc__appctx_settimermgr(isc_appctx_t *ctx0, isc_timermgr_t *timermgr) {
	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;

	REQUIRE(VALID_APPCTX(ctx));

	ctx->timermgr = timermgr;
}

isc_result_t
isc__app_register(void) {
	return (isc_app_register(isc__appctx_create));
}

#include "../app_api.c"