The branch, v3-6-test has been updated via 2698b40 s3-selftest Rename s3 DC environment to s3dc via 2df698f selftest: put the target on the environment via 4aba6e4 s3: Run pthreadpooltest in make test via 37d9636 s3: Add pthreadpooltest to main build (cherry picked from commit 39375de8354b676904e1fea097a68178acd987e4) via 28394b9 s3: pthreadpool_sig_fd->pthreadpool_signal_fd (cherry picked from commit f4a0f856f31291dd316a937f8060d2f205e8d4d6) via 39ab4b0 s3: Tiny doc for pthreadpool (cherry picked from commit 3c405f5e1d81d33a01ab822aeba93634338d5b25) via 2caf8e0 s3: Many pthreadpool fixes from 5f21737 s3: Fix Coverity ID 2478, UNINIT
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-6-test - Log ----------------------------------------------------------------- commit 2698b40a3d920cfc5bb85333818d98f2fced9d9d Author: Jeremy Allison <j...@samba.org> Date: Mon Apr 25 13:12:23 2011 -0700 s3-selftest Rename s3 DC environment to s3dc This should avoid a clash with the s4 DC environment in a future combined 'make test'. commit 2df698ffec823938566de0a3c7120d149b57bf0a Author: Andrew Bartlett <abart...@samba.org> Date: Mon Apr 18 13:44:36 2011 +1000 selftest: put the target on the environment This will allow us to have a 'switch' target type that creates environments from Samba3 or Samba4 as required. Andrew Bartlett (cherry picked from commit d041ed233d1b10604ef1b9f7f1e68f6f5cd96132) commit 4aba6e44cbd2d3cb3b20d864008971f424d99878 Author: Volker Lendecke <v...@samba.org> Date: Sun Apr 24 10:36:56 2011 +0200 s3: Run pthreadpooltest in make test Autobuild-User: Volker Lendecke <vlen...@samba.org> Autobuild-Date: Mon Apr 25 10:39:12 CEST 2011 on sn-devel-104 (cherry picked from commit 422b2fa0d064f2afeeec400223bb8a47deecc4a5) commit 37d963684aae4c80c4a3286bb22503592156b630 Author: Volker Lendecke <v...@samba.org> Date: Sat Apr 23 16:49:04 2011 +0200 s3: Add pthreadpooltest to main build (cherry picked from commit 39375de8354b676904e1fea097a68178acd987e4) commit 28394b98affe38650c56cf37e110d08c71145f0f Author: Volker Lendecke <v...@samba.org> Date: Sun Apr 24 10:09:45 2011 +0200 s3: pthreadpool_sig_fd->pthreadpool_signal_fd (cherry picked from commit f4a0f856f31291dd316a937f8060d2f205e8d4d6) commit 39ab4b06f8fde50489d68a554102fdcea78c1fec Author: Volker Lendecke <v...@samba.org> Date: Sat Apr 23 22:25:36 2011 +0200 s3: Tiny doc for pthreadpool (cherry picked from commit 3c405f5e1d81d33a01ab822aeba93634338d5b25) commit 2caf8e097cd8f724c7cd93c3f8e1fc3cd095d8ff Author: Volker Lendecke <v...@samba.org> Date: Fri Apr 22 11:47:11 2011 +0200 s3: Many pthreadpool fixes In particular, this makes it fork-safe (cherry picked from commit 62689d8166b8e070f855e6910470796dd7e1b2c8) ----------------------------------------------------------------------- Summary of changes: selftest/selftest.pl | 16 +- selftest/target/Samba3.pm | 58 +++--- source3/Makefile.in | 14 +- source3/configure.in | 4 +- source3/include/pthreadpool.h | 42 --- source3/lib/fncall.c | 4 +- source3/lib/pthreadpool/Makefile | 9 + source3/lib/{ => pthreadpool}/pthreadpool.c | 259 +++++++++++++------- source3/lib/pthreadpool/pthreadpool.h | 94 +++++++ source3/lib/pthreadpool/tests.c | 362 +++++++++++++++++++++++++++ source3/script/tests/test_pthreadpool.sh | 17 ++ source3/selftest/tests.py | 49 ++-- 12 files changed, 738 insertions(+), 190 deletions(-) delete mode 100644 source3/include/pthreadpool.h create mode 100644 source3/lib/pthreadpool/Makefile rename source3/lib/{ => pthreadpool}/pthreadpool.c (70%) create mode 100644 source3/lib/pthreadpool/pthreadpool.h create mode 100644 source3/lib/pthreadpool/tests.c create mode 100755 source3/script/tests/test_pthreadpool.sh Changeset truncated at 500 lines: diff --git a/selftest/selftest.pl b/selftest/selftest.pl index 9db3f21..158ff48 100755 --- a/selftest/selftest.pl +++ b/selftest/selftest.pl @@ -846,12 +846,15 @@ sub setup_env($$) $testenv_vars = {}; } elsif (defined(get_running_env($envname))) { $testenv_vars = get_running_env($envname); - if (not $target->check_env($testenv_vars)) { - print $target->getlog_env($testenv_vars); + if (not $testenv_vars->{target}->check_env($testenv_vars)) { + print $testenv_vars->{target}->getlog_env($testenv_vars); $testenv_vars = undef; } } else { $testenv_vars = $target->setup_env($envname, $prefix); + if (defined($testenv_vars) && not defined($testenv_vars->{target})) { + $testenv_vars->{target} = $target; + } } return undef unless defined($testenv_vars); @@ -897,21 +900,24 @@ sub getlog_env($) { my ($envname) = @_; return "" if ($envname eq "none"); - return $target->getlog_env(get_running_env($envname)); + my $env = get_running_env($envname); + return $env->{target}->getlog_env($env); } sub check_env($) { my ($envname) = @_; return 1 if ($envname eq "none"); - return $target->check_env(get_running_env($envname)); + my $env = get_running_env($envname); + return $env->{target}->check_env($env); } sub teardown_env($) { my ($envname) = @_; return if ($envname eq "none"); - $target->teardown_env(get_running_env($envname)); + my $env = get_running_env($envname); + $env->{target}->teardown_env($env); delete $running_envs{$envname}; } diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm index 38148eb..864f3dc 100644 --- a/selftest/target/Samba3.pm +++ b/selftest/target/Samba3.pm @@ -98,20 +98,20 @@ sub setup_env($$$) { my ($self, $envname, $path) = @_; - if ($envname eq "dc") { - return $self->setup_dc("$path/dc"); + if ($envname eq "s3dc") { + return $self->setup_dc("$path/s3dc"); } elsif ($envname eq "secshare") { return $self->setup_secshare("$path/secshare"); } elsif ($envname eq "secserver") { - if (not defined($self->{vars}->{dc})) { - $self->setup_dc("$path/dc"); + if (not defined($self->{vars}->{s3dc})) { + $self->setup_dc("$path/s3dc"); } - return $self->setup_secserver("$path/secserver", $self->{vars}->{dc}); + return $self->setup_secserver("$path/secserver", $self->{vars}->{s3dc}); } elsif ($envname eq "member") { - if (not defined($self->{vars}->{dc})) { - $self->setup_dc("$path/dc"); + if (not defined($self->{vars}->{s3dc})) { + $self->setup_dc("$path/s3dc"); } - return $self->setup_member("$path/member", $self->{vars}->{dc}); + return $self->setup_member("$path/member", $self->{vars}->{s3dc}); } else { return undef; } @@ -121,19 +121,19 @@ sub setup_dc($$) { my ($self, $path) = @_; - print "PROVISIONING DC..."; + print "PROVISIONING S3DC..."; - my $dc_options = " + my $s3dc_options = " domain master = yes domain logons = yes lanman auth = yes "; my $vars = $self->provision($path, - "LOCALDC2", + "LOCALS3DC2", 2, - "localdc2pass", - $dc_options); + "locals3dc2pass", + $s3dc_options); $self->check_or_start($vars, ($ENV{SMBD_MAXTIME} or 2700), @@ -147,14 +147,14 @@ sub setup_dc($$) $vars->{DC_USERNAME} = $vars->{USERNAME}; $vars->{DC_PASSWORD} = $vars->{PASSWORD}; - $self->{vars}->{dc} = $vars; + $self->{vars}->{s3dc} = $vars; return $vars; } sub setup_member($$$) { - my ($self, $prefix, $dcvars) = @_; + my ($self, $prefix, $s3dcvars) = @_; print "PROVISIONING MEMBER..."; @@ -173,8 +173,8 @@ sub setup_member($$$) my $net = $self->binpath("net"); my $cmd = ""; $cmd .= "SOCKET_WRAPPER_DEFAULT_IFACE=\"$ret->{SOCKET_WRAPPER_DEFAULT_IFACE}\" "; - $cmd .= "$net join $ret->{CONFIGURATION} $dcvars->{DOMAIN} member"; - $cmd .= " -U$dcvars->{USERNAME}\%$dcvars->{PASSWORD}"; + $cmd .= "$net join $ret->{CONFIGURATION} $s3dcvars->{DOMAIN} member"; + $cmd .= " -U$s3dcvars->{USERNAME}\%$s3dcvars->{PASSWORD}"; system($cmd) == 0 or die("Join failed\n$cmd"); @@ -184,11 +184,11 @@ sub setup_member($$$) $self->wait_for_start($ret); - $ret->{DC_SERVER} = $dcvars->{SERVER}; - $ret->{DC_SERVER_IP} = $dcvars->{SERVER_IP}; - $ret->{DC_NETBIOSNAME} = $dcvars->{NETBIOSNAME}; - $ret->{DC_USERNAME} = $dcvars->{USERNAME}; - $ret->{DC_PASSWORD} = $dcvars->{PASSWORD}; + $ret->{DC_SERVER} = $s3dcvars->{SERVER}; + $ret->{DC_SERVER_IP} = $s3dcvars->{SERVER_IP}; + $ret->{DC_NETBIOSNAME} = $s3dcvars->{NETBIOSNAME}; + $ret->{DC_USERNAME} = $s3dcvars->{USERNAME}; + $ret->{DC_PASSWORD} = $s3dcvars->{PASSWORD}; return $ret; } @@ -223,13 +223,13 @@ sub setup_secshare($$) sub setup_secserver($$$) { - my ($self, $prefix, $dcvars) = @_; + my ($self, $prefix, $s3dcvars) = @_; print "PROVISIONING server with security=server..."; my $secserver_options = " security = server - password server = $dcvars->{SERVER_IP} + password server = $s3dcvars->{SERVER_IP} "; my $ret = $self->provision($prefix, @@ -246,11 +246,11 @@ sub setup_secserver($$$) $self->wait_for_start($ret); - $ret->{DC_SERVER} = $dcvars->{SERVER}; - $ret->{DC_SERVER_IP} = $dcvars->{SERVER_IP}; - $ret->{DC_NETBIOSNAME} = $dcvars->{NETBIOSNAME}; - $ret->{DC_USERNAME} = $dcvars->{USERNAME}; - $ret->{DC_PASSWORD} = $dcvars->{PASSWORD}; + $ret->{DC_SERVER} = $s3dcvars->{SERVER}; + $ret->{DC_SERVER_IP} = $s3dcvars->{SERVER_IP}; + $ret->{DC_NETBIOSNAME} = $s3dcvars->{NETBIOSNAME}; + $ret->{DC_USERNAME} = $s3dcvars->{USERNAME}; + $ret->{DC_PASSWORD} = $s3dcvars->{PASSWORD}; return $ret; } diff --git a/source3/Makefile.in b/source3/Makefile.in index 42af44c..53886e1 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -97,6 +97,7 @@ TDBTOOL = @TDBTOOL@ TDBDUMP = @TDBDUMP@ TDBRESTORE = @TDBRESTORE@ TDBTORTURE = @TDBTORTURE@ +PTHREADPOOLTEST = @PTHREADPOOLTEST@ INSTALLCMD=@INSTALL@ INSTALLLIBCMD_SH=@INSTALLLIBCMD_SH@ @@ -230,7 +231,7 @@ TORTURE_PROGS = bin/smbtorture@EXEEXT@ bin/msgtest@EXEEXT@ \ bin/masktest@EXEEXT@ bin/locktest@EXEEXT@ \ bin/locktest2@EXEEXT@ bin/nsstest@EXEEXT@ bin/vfstest@EXEEXT@ \ bin/pdbtest@EXEEXT@ $(TALLOCTORT) bin/replacetort@EXEEXT@ \ - $(TDBTORTURE) \ + $(TDBTORTURE) $(PTHREADPOOLTEST) \ bin/smbconftort@EXEEXT@ bin/vlp@EXEEXT@ BIN_PROGS = @EXTRA_BIN_PROGS@ \ @@ -1128,6 +1129,9 @@ SMBCONFTORT_OBJ = $(SMBCONFTORT_OBJ0) \ $(LIBSMB_ERR_OBJ) \ $(POPT_LIB_OBJ) +PTHREADPOOLTEST_OBJ = lib/pthreadpool/pthreadpool.o \ + lib/pthreadpool/tests.o + LIBNET_OBJ = libnet/libnet_join.o \ libnet/libnet_keytab.o \ librpc/gen_ndr/ndr_libnet_join.o @@ -1565,6 +1569,8 @@ replacetort : SHOWFLAGS bin/replacetort@EXEEXT@ smbconftort : SHOWFLAGS bin/smbconftort@EXEEXT@ +pthreadpooltest : SHOWFLAGS bin/pthreadpooltest@EXEEXT@ + timelimit : SHOWFLAGS bin/timelimit@EXEEXT@ nsswitch : SHOWFLAGS bin/winbindd@EXEEXT@ bin/wbinfo@EXEEXT@ @WINBIND_NSS@ \ @@ -1897,6 +1903,10 @@ bin/smbconftort@EXEEXT@: $(SMBCONFTORT_OBJ) @BUILD_POPT@ $(LIBTALLOC) $(LIBTDB) $(DYNEXP) $(LIBS) $(LDAP_LIBS) $(POPT_LIBS) \ $(LIBTALLOC_LIBS) $(LIBTDB_LIBS) +bin/pthreadpooltest@EXEEXT@: $(PTHREADPOOLTEST_OBJ) + @echo Linking $@ + @$(CC) -o $@ $(PTHREADPOOLTEST_OBJ) $(LDFLAGS) -lpthread + bin/masktest@EXEEXT@: $(BINARY_PREREQS) $(MASKTEST_OBJ) @BUILD_POPT@ $(LIBTALLOC) $(LIBTDB) $(LIBWBCLIENT) @echo Linking $@ @$(CC) -o $@ $(MASKTEST_OBJ) $(LDFLAGS) $(DYNEXP) \ @@ -3446,7 +3456,7 @@ buildfarm-test: subunit-test: $(MAKE) test SUBUNIT_FORMATTER=cat -SELFTEST_TESTENV = dc +SELFTEST_TESTENV = s3dc testenv: $(MAKE) test SELFTEST_TESTENV=$(SELFTEST_TESTENV) TESTS="--testenv" diff --git a/source3/configure.in b/source3/configure.in index c951828..f4df36d 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -6646,7 +6646,9 @@ if test x"$enable_pthreadpool" = x"yes" -a x"$samba_cv_HAVE_PTHREAD" = x"yes"; t LIBS="$LIBS $PTHREAD_LDFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" AC_DEFINE(WITH_PTHREADPOOL, 1, [Whether to include pthreadpool helpers]) - AC_SUBST(PTHREADPOOL_OBJ, "lib/pthreadpool.o") + AC_SUBST(PTHREADPOOL_OBJ, "lib/pthreadpool/pthreadpool.o") + PTHREADPOOLTEST="bin/pthreadpooltest\$(EXEEXT)" + AC_SUBST(PTHREADPOOLTEST) fi ################################################# diff --git a/source3/include/pthreadpool.h b/source3/include/pthreadpool.h deleted file mode 100644 index 7ef7ddf..0000000 --- a/source3/include/pthreadpool.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * threadpool implementation based on pthreads - * Copyright (C) Volker Lendecke 2009 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __PTHREADPOOL_H__ -#define __PTHREADPOOL_H__ - -struct pthreadpool; - -int pthreadpool_init(unsigned max_threads, struct pthreadpool **presult); -int pthreadpool_destroy(struct pthreadpool *pool); - -/* - * Add a job to a pthreadpool. - */ -int pthreadpool_add_job(struct pthreadpool *pool, int job_id, - void (*fn)(void *private_data), void *private_data); - -/* - * Get the signalling fd out of a thread pool. This fd will become readable - * when a job is finished. The job that finished can be retrieved via - * pthreadpool_finished_job(). - */ -int pthreadpool_sig_fd(struct pthreadpool *pool); -int pthreadpool_finished_job(struct pthreadpool *pool); - -#endif diff --git a/source3/lib/fncall.c b/source3/lib/fncall.c index e810b68..91377e0 100644 --- a/source3/lib/fncall.c +++ b/source3/lib/fncall.c @@ -21,7 +21,7 @@ #if WITH_PTHREADPOOL -#include "pthreadpool.h" +#include "lib/pthreadpool/pthreadpool.h" struct fncall_state { struct fncall_context *ctx; @@ -86,7 +86,7 @@ struct fncall_context *fncall_context_init(TALLOC_CTX *mem_ctx, } talloc_set_destructor(ctx, fncall_context_destructor); - ctx->sig_fd = pthreadpool_sig_fd(ctx->pool); + ctx->sig_fd = pthreadpool_signal_fd(ctx->pool); if (ctx->sig_fd == -1) { TALLOC_FREE(ctx); return NULL; diff --git a/source3/lib/pthreadpool/Makefile b/source3/lib/pthreadpool/Makefile new file mode 100644 index 0000000..48626bd --- /dev/null +++ b/source3/lib/pthreadpool/Makefile @@ -0,0 +1,9 @@ +all: tests + +CFLAGS=-O3 -g -Wall + +pthreadpool.o: pthreadpool.c pthreadpool.h + gcc -c -O3 -o pthreadpool.o pthreadpool.c -I../../.. + +tests: tests.o pthreadpool.o + gcc -o tests tests.o pthreadpool.o -lpthread \ No newline at end of file diff --git a/source3/lib/pthreadpool.c b/source3/lib/pthreadpool/pthreadpool.c similarity index 70% rename from source3/lib/pthreadpool.c rename to source3/lib/pthreadpool/pthreadpool.c index b62bab0..2a75a52 100644 --- a/source3/lib/pthreadpool.c +++ b/source3/lib/pthreadpool/pthreadpool.c @@ -26,8 +26,10 @@ #include <signal.h> #include <assert.h> #include <fcntl.h> +#include <sys/time.h> #include "pthreadpool.h" +#include "lib/util/dlinklist.h" struct pthreadpool_job { struct pthreadpool_job *next; @@ -38,6 +40,11 @@ struct pthreadpool_job { struct pthreadpool { /* + * List pthreadpools for fork safety + */ + struct pthreadpool *prev, *next; + + /* * Control access to this struct */ pthread_mutex_t mutex; @@ -85,6 +92,12 @@ struct pthreadpool { pthread_t exited[1]; /* We alloc more */ }; +static pthread_mutex_t pthreadpools_mutex = PTHREAD_MUTEX_INITIALIZER; +static struct pthreadpool *pthreadpools = NULL; +static pthread_once_t pthreadpool_atfork_initialized = PTHREAD_ONCE_INIT; + +static void pthreadpool_prep_atfork(void); + /* * Initialize a thread pool */ @@ -95,13 +108,21 @@ int pthreadpool_init(unsigned max_threads, struct pthreadpool **presult) size_t size; int ret; - size = sizeof(struct pthreadpool) + max_threads * sizeof(pthread_t); + size = sizeof(struct pthreadpool) + + (max_threads-1) * sizeof(pthread_t); pool = (struct pthreadpool *)malloc(size); if (pool == NULL) { return ENOMEM; } + ret = pipe(pool->sig_pipe); + if (ret == -1) { + int err = errno; + free(pool); + return err; + } + ret = pthread_mutex_init(&pool->mutex, NULL); if (ret != 0) { free(pool); @@ -121,44 +142,117 @@ int pthreadpool_init(unsigned max_threads, struct pthreadpool **presult) pool->num_exited = 0; pool->max_threads = max_threads; pool->num_idle = 0; - pool->sig_pipe[0] = -1; - pool->sig_pipe[1] = -1; + + ret = pthread_mutex_lock(&pthreadpools_mutex); + if (ret != 0) { + pthread_cond_destroy(&pool->condvar); + pthread_mutex_destroy(&pool->mutex); + free(pool); + return ret; + } + DLIST_ADD(pthreadpools, pool); + + ret = pthread_mutex_unlock(&pthreadpools_mutex); + assert(ret == 0); + + pthread_once(&pthreadpool_atfork_initialized, pthreadpool_prep_atfork); *presult = pool; + return 0; } -/* - * Create and return a file descriptor which becomes readable when a job has - * finished - */ - -int pthreadpool_sig_fd(struct pthreadpool *pool) +static void pthreadpool_prepare(void) { - int result, ret; + int ret; + struct pthreadpool *pool; - ret = pthread_mutex_lock(&pool->mutex); - if (ret != 0) { - errno = ret; - return -1; + ret = pthread_mutex_lock(&pthreadpools_mutex); + assert(ret == 0); + + pool = pthreadpools; + + while (pool != NULL) { + ret = pthread_mutex_lock(&pool->mutex); + assert(ret == 0); + pool = pool->next; } +} + +static void pthreadpool_parent(void) +{ + int ret; + struct pthreadpool *pool; + + pool = DLIST_TAIL(pthreadpools); + + while (1) { + ret = pthread_mutex_unlock(&pool->mutex); + assert(ret == 0); - if (pool->sig_pipe[0] != -1) { - result = pool->sig_pipe[0]; - goto done; + if (pool == pthreadpools) { + break; + } + pool = pool->prev; } - ret = pipe(pool->sig_pipe); - if (ret == -1) { - result = -1; - goto done; + ret = pthread_mutex_unlock(&pthreadpools_mutex); + assert(ret == 0); +} + +static void pthreadpool_child(void) +{ + int ret; + struct pthreadpool *pool; + -- Samba Shared Repository