diff options
Diffstat (limited to 'lib/libthr/tests')
-rw-r--r-- | lib/libthr/tests/Makefile | 59 | ||||
-rw-r--r-- | lib/libthr/tests/Makefile.depend | 21 | ||||
-rw-r--r-- | lib/libthr/tests/atfork_test.c | 280 | ||||
-rw-r--r-- | lib/libthr/tests/dlopen/Makefile | 27 | ||||
-rw-r--r-- | lib/libthr/tests/dlopen/Makefile.depend | 19 | ||||
-rw-r--r-- | lib/libthr/tests/dlopen/dso/Makefile | 16 | ||||
-rw-r--r-- | lib/libthr/tests/dlopen/dso/Makefile.depend | 17 | ||||
-rw-r--r-- | lib/libthr/tests/pthread_sigqueue_test.c | 120 | ||||
-rw-r--r-- | lib/libthr/tests/umtx_op_test.c | 105 |
9 files changed, 664 insertions, 0 deletions
diff --git a/lib/libthr/tests/Makefile b/lib/libthr/tests/Makefile new file mode 100644 index 000000000000..017b740157dc --- /dev/null +++ b/lib/libthr/tests/Makefile @@ -0,0 +1,59 @@ +PACKAGE= tests + +WARNS?= 3 + +TESTSRC= ${SRCTOP}/contrib/netbsd-tests/lib/libpthread + +# TODO: t_name (missing pthread_getname_np support in FreeBSD) +NETBSD_ATF_TESTS_C= barrier_test +NETBSD_ATF_TESTS_C+= cond_test +NETBSD_ATF_TESTS_C+= condwait_test +NETBSD_ATF_TESTS_C+= detach_test +NETBSD_ATF_TESTS_C+= equal_test +NETBSD_ATF_TESTS_C+= fork_test +NETBSD_ATF_TESTS_C+= fpu_test +NETBSD_ATF_TESTS_C+= join_test +NETBSD_ATF_TESTS_C+= kill_test +NETBSD_ATF_TESTS_C+= mutex_test +NETBSD_ATF_TESTS_C+= once_test +NETBSD_ATF_TESTS_C+= preempt_test +NETBSD_ATF_TESTS_C+= rwlock_test +NETBSD_ATF_TESTS_C+= sem_test +NETBSD_ATF_TESTS_C+= sigmask_test +NETBSD_ATF_TESTS_C+= sigsuspend_test +NETBSD_ATF_TESTS_C+= siglongjmp_test +NETBSD_ATF_TESTS_C+= sleep_test +.if ${MACHINE_CPUARCH} != "aarch64" # ARM64TODO: Missing makecontext +NETBSD_ATF_TESTS_C+= swapcontext_test +.endif +NETBSD_ATF_TESTS_C+= timedmutex_test + +NETBSD_ATF_TESTS_SH= atexit_test +NETBSD_ATF_TESTS_SH+= cancel_test +NETBSD_ATF_TESTS_SH+= exit_test +NETBSD_ATF_TESTS_SH+= resolv_test + +ATF_TESTS_C+= atfork_test +ATF_TESTS_C+= umtx_op_test +ATF_TESTS_C+= pthread_sigqueue_test + +LIBADD+= pthread +LIBADD.fpu_test+= m +LIBADD.sem_test+= rt + +BINDIR= ${TESTSDIR} + +PROGS= h_atexit +PROGS+= h_cancel +PROGS+= h_exit +PROGS+= h_resolv + +${PACKAGE}FILES+= d_mach + +TESTS_SUBDIRS= dlopen + +.include <netbsd-tests.test.mk> + +CFLAGS.condwait_test+= -I${SRCTOP}/contrib/netbsd-tests/lib/libc/gen + +.include <bsd.test.mk> diff --git a/lib/libthr/tests/Makefile.depend b/lib/libthr/tests/Makefile.depend new file mode 100644 index 000000000000..c48ed7f958dd --- /dev/null +++ b/lib/libthr/tests/Makefile.depend @@ -0,0 +1,21 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + gnu/lib/csu \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/atf/libatf-c \ + lib/libc \ + lib/libcompiler_rt \ + lib/libnetbsd \ + lib/librt \ + lib/libthr \ + lib/msun \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/libthr/tests/atfork_test.c b/lib/libthr/tests/atfork_test.c new file mode 100644 index 000000000000..cb0fcb7e62db --- /dev/null +++ b/lib/libthr/tests/atfork_test.c @@ -0,0 +1,280 @@ +/*- + * + * Copyright (C) 2024 Kyle Evans <kevans@FreeBSD.org> + * + * SPDX-License-Identifier: BSD-2-Clause + * + */ + +#include <sys/wait.h> +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <stdbool.h> +#include <stdio.h> +#include <unistd.h> + +#include <atf-c.h> + +#define EXIT_NOPREPARE 1 +#define EXIT_CALLEDPARENT 2 +#define EXIT_NOCHILD 3 +#define EXIT_BADORDER 4 + +static int child; +static int forked; +static int parent; + +/* + * We'll disable prefork unless we're specifically running the preinit test to + * be sure that we don't mess up any other tests' results. + */ +static bool prefork_enabled; + +static void +prefork(void) +{ + if (prefork_enabled) + forked++; +} + +static void +registrar(void) +{ + pthread_atfork(prefork, NULL, NULL); +} + +static __attribute__((section(".preinit_array"), used)) +void (*preinitfn)(void) = ®istrar; + +/* + * preinit_atfork() just enables the prepare handler that we registered in a + * .preinit_array entry and checks that forking actually invoked that callback. + * We don't bother testing all three callbacks here because the implementation + * doesn't really lend itself to the kind of error where we only have a partial + * set of callbacks registered. + */ +ATF_TC(preinit_atfork); +ATF_TC_HEAD(preinit_atfork, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks that atfork callbacks may be registered in .preinit_array functions"); +} +ATF_TC_BODY(preinit_atfork, tc) +{ + pid_t p; + + (void)signal(SIGCHLD, SIG_IGN); + prefork_enabled = true; + p = fork(); + + ATF_REQUIRE(p >= 0); + if (p == 0) + _exit(0); + + prefork_enabled = false; + + ATF_REQUIRE(forked != 0); +} + +static void +basic_prepare(void) +{ + ATF_REQUIRE(parent == 0); + forked++; +} + +static void +basic_parent(void) +{ + ATF_REQUIRE(forked != 0); + parent++; +} + +static void +basic_child(void) +{ + if (!forked) + _exit(EXIT_NOPREPARE); + if (parent != 0) + _exit(EXIT_CALLEDPARENT); + child++; +} + +/* + * In the basic test, we'll register just once and set some globals to confirm + * that the prepare/parent callbacks were executed as expected. The child will + * use its exit status to communicate to us if the callback was not executed + * properly since we cannot assert there. This is a subset of the + * multi-callback test, but separated out so that it's more obvious from running + * the atfork_test if pthread_atfork() is completely broken or just + * out-of-order. + */ +ATF_TC(basic_atfork); +ATF_TC_HEAD(basic_atfork, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks invocation of all three atfork callbacks"); +} +ATF_TC_BODY(basic_atfork, tc) +{ + pid_t p, wpid; + int status; + + pthread_atfork(basic_prepare, basic_parent, basic_child); + + p = fork(); + + ATF_REQUIRE(p >= 0); + if (p == 0) + _exit(child != 0 ? 0 : EXIT_NOCHILD); + + /* + * The child can't use any of our standard atf-c(3) macros, so we have + * to rely on the exit status to convey any shenanigans. + */ + while ((wpid = waitpid(p, &status, 0)) != p) { + ATF_REQUIRE_ERRNO(EINTR, wpid == -1); + if (wpid == -1) + continue; + } + + ATF_REQUIRE_MSG(WIFEXITED(status), + "child did not exit cleanly, status %x", status); + + status = WEXITSTATUS(status); + ATF_REQUIRE_MSG(status == 0, "atfork in child %s", + status == EXIT_NOPREPARE ? "did not see `prepare` execute" : + (status == EXIT_CALLEDPARENT ? "observed `parent` executing" : + (status == EXIT_NOCHILD ? "did not see `child` execute" : + "mystery"))); + + ATF_REQUIRE(forked != 0); + ATF_REQUIRE(parent != 0); + ATF_REQUIRE(child == 0); +} + +static void +multi_assert(bool cond, bool can_assert) +{ + if (can_assert) + ATF_REQUIRE((cond)); + else if (!(cond)) + _exit(EXIT_BADORDER); +} + +static void +multi_bump(int *var, int bit, bool can_assert) +{ + int mask, val; + + mask = (1 << (bit - 1)); + val = *var; + + /* + * Every bit below this one must be set, and none of the upper bits + * should be set. + */ + multi_assert((val & mask) == 0, can_assert); + if (bit == 1) + multi_assert(val == 0, can_assert); + else + multi_assert((val & ~mask) == (mask - 1), can_assert); + + *var |= mask; +} + +static void +multi_prepare1(void) +{ + /* + * The bits are flipped for prepare because it's supposed to be called + * in the reverse order of registration. + */ + multi_bump(&forked, 2, true); +} +static void +multi_prepare2(void) +{ + multi_bump(&forked, 1, true); +} + +static void +multi_parent1(void) +{ + multi_bump(&parent, 1, true); +} +static void +multi_parent2(void) +{ + multi_bump(&parent, 2, true); +} + +static void +multi_child1(void) +{ + multi_bump(&child, 1, false); +} +static void +multi_child2(void) +{ + multi_bump(&child, 2, false); +} + +/* + * The multi-atfork test works much like the basic one, but it registers + * multiple times and enforces an order. The child still does just as strict + * of tests as the parent and continues to communicate the results of those + * tests back via its exit status. + */ +ATF_TC(multi_atfork); +ATF_TC_HEAD(multi_atfork, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks that multiple callbacks are called in the documented order"); +} +ATF_TC_BODY(multi_atfork, tc) +{ + pid_t p, wpid; + int status; + + pthread_atfork(multi_prepare1, multi_parent1, multi_child1); + pthread_atfork(multi_prepare2, multi_parent2, multi_child2); + + p = fork(); + + ATF_REQUIRE(p >= 0); + if (p == 0) + _exit(child != 0 ? 0 : EXIT_NOCHILD); + + /* + * The child can't use any of our standard atf-c(3) macros, so we have + * to rely on the exit status to convey any shenanigans. + */ + while ((wpid = waitpid(p, &status, 0)) != p) { + ATF_REQUIRE_ERRNO(EINTR, wpid == -1); + if (wpid == -1) + continue; + } + + ATF_REQUIRE_MSG(WIFEXITED(status), + "child did not exit cleanly, status %x", status); + + status = WEXITSTATUS(status); + ATF_REQUIRE_MSG(status == 0, "atfork in child %s", + status == EXIT_BADORDER ? "called in wrong order" : + (status == EXIT_NOCHILD ? "did not see `child` execute" : + "mystery")); + + ATF_REQUIRE(forked != 0); + ATF_REQUIRE(parent != 0); + ATF_REQUIRE(child == 0); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, preinit_atfork); + ATF_TP_ADD_TC(tp, basic_atfork); + ATF_TP_ADD_TC(tp, multi_atfork); + return (atf_no_error()); +} diff --git a/lib/libthr/tests/dlopen/Makefile b/lib/libthr/tests/dlopen/Makefile new file mode 100644 index 000000000000..3427f67025b2 --- /dev/null +++ b/lib/libthr/tests/dlopen/Makefile @@ -0,0 +1,27 @@ +TESTSRC= ${SRCTOP}/contrib/netbsd-tests/lib/libpthread/dlopen + +WARNS?= 2 + +.include <bsd.own.mk> + +TESTSDIR= ${TESTSBASE}/lib/libthr/dlopen + +CFLAGS+= -DTESTDIR=\"${TESTSDIR:Q}/\" +LDFLAGS+= -L${.OBJDIR}/dso -Wl,-rpath=${TESTDIR} + +.if !defined(NO_PIC) +SUBDIR+= dso + +NETBSD_ATF_TESTS_C= dlopen_test +NETBSD_ATF_TESTS_C+= main_pthread_create_test +# XXX: this blocks running the testcase +#NETBSD_ATF_TESTS_C+= dso_pthread_create_test + +.for t in dlopen_test main_pthread_create_test +LIBADD.${t}+= pthread +.endfor +.endif + +.include <netbsd-tests.test.mk> + +.include <bsd.test.mk> diff --git a/lib/libthr/tests/dlopen/Makefile.depend b/lib/libthr/tests/dlopen/Makefile.depend new file mode 100644 index 000000000000..daaf971bd513 --- /dev/null +++ b/lib/libthr/tests/dlopen/Makefile.depend @@ -0,0 +1,19 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + gnu/lib/csu \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/atf/libatf-c \ + lib/libc \ + lib/libcompiler_rt \ + lib/libnetbsd \ + lib/libthr \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/libthr/tests/dlopen/dso/Makefile b/lib/libthr/tests/dlopen/dso/Makefile new file mode 100644 index 000000000000..74d8ada35ff1 --- /dev/null +++ b/lib/libthr/tests/dlopen/dso/Makefile @@ -0,0 +1,16 @@ +TESTSRC= ${SRCTOP}/contrib/netbsd-tests/lib/libpthread/dlopen/dso +WARNS?= 3 + +PACKAGE= tests +SHLIB= h_pthread_dlopen +SHLIB_MAJOR= 1 +SHLIB_NAME= h_pthread_dlopen.so.${SHLIB_MAJOR} +SRCS= h_pthread_dlopen.c + +LIBADD+= pthread + +LIBDIR= ${TESTSBASE}/lib/libthr/dlopen + +.include <netbsd-tests.test.mk> + +.include <bsd.lib.mk> diff --git a/lib/libthr/tests/dlopen/dso/Makefile.depend b/lib/libthr/tests/dlopen/dso/Makefile.depend new file mode 100644 index 000000000000..a6b2561a99a8 --- /dev/null +++ b/lib/libthr/tests/dlopen/dso/Makefile.depend @@ -0,0 +1,17 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + gnu/lib/csu \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/libc \ + lib/libcompiler_rt \ + lib/libthr \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/libthr/tests/pthread_sigqueue_test.c b/lib/libthr/tests/pthread_sigqueue_test.c new file mode 100644 index 000000000000..053a8dac4039 --- /dev/null +++ b/lib/libthr/tests/pthread_sigqueue_test.c @@ -0,0 +1,120 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright 2024 The FreeBSD Foundation + * + * This software was developed by Konstantin Belousov <kib@FreeBSD.org> + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <atf-c.h> +#include <err.h> +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <pthread.h> +#include <unistd.h> + +#define NTHREADS 330 +static int value[NTHREADS]; +static pthread_t thr[NTHREADS]; +static pthread_barrier_t barrier; + +static void +handler(int signo __unused, siginfo_t *info, void *data __unused) +{ + pthread_t self; + int i; + + /* + * Formally this is thread-unsafe but we know context from + * where the signal is sent. + */ + self = pthread_self(); + for (i = 0; i < NTHREADS; i++) { + if (pthread_equal(self, thr[i])) { + value[i] = info->si_value.sival_int; + pthread_exit(NULL); + } + } +} + +static void * +threadfunc(void *arg __unused) +{ + pthread_barrier_wait(&barrier); + for (;;) + pause(); +} + +ATF_TC(pthread_sigqueue); +ATF_TC_HEAD(pthread_sigqueue, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks pthread_sigqueue(3) sigval delivery"); +} + +ATF_TC_BODY(pthread_sigqueue, tc) +{ + struct sigaction sa; + union sigval sv; + int error, i; + + error = pthread_barrier_init(&barrier, NULL, NTHREADS + 1); + ATF_REQUIRE_EQ(0, error); + + memset(&sa, 0, sizeof(sa)); + sa.sa_sigaction = handler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_SIGINFO; + + if (sigaction(SIGUSR1, &sa, NULL) != 0) + atf_tc_fail("sigaction failed"); + + memset(&sv, 0, sizeof(sv)); + + for (i = 0; i < NTHREADS; i++) { + error = pthread_create(&thr[i], NULL, threadfunc, NULL); + ATF_REQUIRE_EQ(0, error); + } + error = pthread_barrier_wait(&barrier); + ATF_REQUIRE(error == 0 || error == PTHREAD_BARRIER_SERIAL_THREAD); + + for (i = 0; i < NTHREADS; i++) { + sv.sival_int = i + 1000; + error = pthread_sigqueue(thr[i], SIGUSR1, sv); + ATF_REQUIRE_EQ(0, error); + error = pthread_join(thr[i], NULL); + ATF_REQUIRE_EQ(0, error); + } + for (i = 0; i < NTHREADS; i++) + ATF_REQUIRE_EQ(i + 1000, value[i]); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, pthread_sigqueue); + return atf_no_error(); +} diff --git a/lib/libthr/tests/umtx_op_test.c b/lib/libthr/tests/umtx_op_test.c new file mode 100644 index 000000000000..8f964f9a923b --- /dev/null +++ b/lib/libthr/tests/umtx_op_test.c @@ -0,0 +1,105 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 Kyle Evans <kevans@FreeBSD.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/umtx.h> + +#include <pthread.h> + +#include <atf-c.h> + +/* + * This is an implementation detail of _umtx_op(2), pulled from + * sys/kern/kern_umtx.c. The relevant bug observed that requests above the + * batch size would not function as intended, so it's important that this + * reflects the BATCH_SIZE configured there. + */ +#define UMTX_OP_BATCH_SIZE 128 +#define THREAD_COUNT ((UMTX_OP_BATCH_SIZE * 3) / 2) + +static pthread_mutex_t static_mutex = PTHREAD_MUTEX_INITIALIZER; + +static int batched_waiting; + +static void * +batching_threadfunc(void *arg) +{ + + pthread_mutex_lock(&static_mutex); + ++batched_waiting; + pthread_mutex_unlock(&static_mutex); + _umtx_op(arg, UMTX_OP_WAIT_UINT_PRIVATE, 0, NULL, NULL); + + return (NULL); +} + +ATF_TC(batching); +ATF_TC_HEAD(batching, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Checks batching of UMTX_OP_NWAKE_PRIVATE"); +} +ATF_TC_BODY(batching, tc) +{ + uintptr_t addrs[THREAD_COUNT]; + uint32_t vals[THREAD_COUNT]; + pthread_t threads[THREAD_COUNT]; + + for (int i = 0; i < THREAD_COUNT; i++) { + addrs[i] = (uintptr_t)&vals[i]; + vals[i] = 0; + pthread_create(&threads[i], NULL, batching_threadfunc, + &vals[i]); + } + + pthread_mutex_lock(&static_mutex); + while (batched_waiting != THREAD_COUNT) { + pthread_mutex_unlock(&static_mutex); + pthread_yield(); + pthread_mutex_lock(&static_mutex); + } + + /* + * Spin for another .50 seconds to make sure they're all safely in the + * kernel. + */ + usleep(500000); + + pthread_mutex_unlock(&static_mutex); + _umtx_op(addrs, UMTX_OP_NWAKE_PRIVATE, THREAD_COUNT, NULL, NULL); + + for (int i = 0; i < THREAD_COUNT; i++) { + ATF_REQUIRE_EQ(0, pthread_join(threads[i], NULL)); + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, batching); + return (atf_no_error()); +} |