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History log of /src/tests/lib/libpthread/Makefile
RevisionDateAuthorComments
 1.22  18-Oct-2025  riastradh tests/lib/libpthread: Fix tests in subdirectory.

Need to use TESTS_SUBDIRS for this, not SUBDIR. Avoid the extra
nesting level while here; can make the library be a subdirectory of
the directory where the tests live.

PR lib/59685: libcrypto should not depend on libpthread
 1.21  06-Oct-2025  leot libpthread: append to SUBDIR instead of overwrite it

Noticed and from <riastradh>, thanks!

PR lib/59685: libcrypto should not depend on libpthread
 1.20  06-Oct-2025  riastradh libpthread: Test pthread stubs in threaded vs non-threaded programs.

PR lib/59685: libcrypto should not depend on libpthread
 1.19  08-Apr-2025  riastradh tests/lib/libpthread/t_compat_cancel: Make linker warnings non-fatal.

We will get warnings like:

/home/riastradh/netbsd/current/src/tests/lib/libpthread/t_compat_cancel.c:233: warning: warning: reference to compatibility sigsuspend(); include <signal.h> for correct reference

This is intended -- t_compat_cancel deliberately uses the compat
symbols, not the modern symbols, in order to test the compat symbols.

Fixes clang build because bsd.sys.mk enables -Wl,--fatal-warnings in
LDFLAGS by default.

PR lib/59240: POSIX.1-2024: cancellation point audit
PR lib/59247: pthread_cancelstub.c is inadequately tested
 1.18  05-Apr-2025  riastradh Add tests for compat functions as cancellation points.

While here, test kevent too.

PR lib/59240: POSIX.1-2024: cancellation point audit
PR lib/59247: pthread_cancelstub.c is inadequately tested
 1.17  31-Mar-2025  riastradh pthread_cancel(3): Add some automatic tests.

PR lib/59240: POSIX.1-2024: cancellation point audit
PR lib/59134: POSIX-1.2024: pthread_setcancelstate must be
async-signal-safe
 1.16  24-Nov-2023  riastradh branches: 1.16.2;
pthread: Add tests for pthread user stack allocation.

PR lib/57721

XXX pullup-10
XXX pullup-9
XXX pullup-8
 1.15  21-Jun-2020  lukem branches: 1.15.6;
fix build of h_thread_local_dtor.cpp
 1.14  24-Apr-2019  kamil branches: 1.14.2;
Add a complete C11 threads(3) implementation

C11 Thread support library is a portable threading C API between OSs,
similar to std::threads in the C++ world.

The library is implemented as a thin shim over POSIX interfaces.

NetBSD implements the API as a part of the POSIX threading library
(libpthread(3)).

C11 threads(3) are in the process of making them an integral part
of the POSIX standard. The interface has been implemented in major
OSs and used with stopgap libraries for older versions of them.

C11 threading library is already used (with a stopgap implementation)
in the NetBSD distribution in MESA.

Original implementation by myself from 2016.

ATF tests are new and cover almost all interfaces.

Proposed on tech-userlevel@.
 1.13  11-Jul-2017  joerg branches: 1.13.6;
Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This
functions are used for destructors of thread_local objects.

If a pending destructor exists, prevent unloading of shared objects.
Introduce __dl_cxa_refcount interface for this purpose. When the last
reference is gone and the object has been dlclose'd before, the
unloading is finalized.

Ideally, __cxa_thread_atexit_impl wouldn't exist, but libstdc++ insists
on providing __cxa_thread_atexit as direct wrapper without further
patching.
 1.12  30-Oct-2016  kamil branches: 1.12.6;
Add new test t_timedmutex

This test is a clone on t_mutex with additional two tests for timed-mutex
specific block.

All simple-mutex (not with the timed property according to the C11 wording)
specific tests are covered by pthread_mutex_timedlock(3) with parameter
ts_lengthy of sufficiently large tv_sec value (right now UINT16_MAX). If,
a test will hang, it won't wait UINT16_MAX seconds, but will be terminated
within the default timeout for ATF tests (right now 300 [sec] in my
NetBSD/amd64 setup).

This test was inspired by a classic selflock test failure of
pthread_mutex_timedlock(3) of the following form:

#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <time.h>

int main(int argc, char **argv)
{
pthread_mutex_t mtx;
struct timespec ts;

ts.tv_sec = 0;
ts.tv_nsec = 1000;
printf("ts{.tv_sec = %d, .tv_nsec=%ld}\n", ts.tv_sec, ts.tv_nsec);
fflush(stdout);

printf("mtx_init\n");
assert(pthread_mutex_init(&mtx, NULL) == 0);

printf("mtx_lock\n");
assert(pthread_mutex_lock(&mtx) == 0);

printf("mtx_timedlock\n");
assert(pthread_mutex_timedlock(&mtx, &ts) == ETIMEDOUT);

printf("mtx_unlock\n");
assert(pthread_mutex_unlock(&mtx) == 0);

printf("mtx_destroy\n");
assert(pthread_mutex_destroy(&mtx) == 0);

return 0;
}

Current NetBSD implementation wrongly hangs on this test.

The issue was detected during development of the C11 portable threads.

My local tests in chroot presents that the are further issues:

t_timedmutex (21/25): 10 test cases
mutex1: [0.001142s] Failed: /usr/src/tests/lib/libpthread/t_timedmutex.c:75: *param != 20
mutex2: [0.261499s] Passed.
mutex3: [0.261496s] Passed.
mutex4: [0.001204s] Failed: /usr/src/tests/lib/libpthread/t_timedmutex.c:265: pthread_mutex_timedlock(&mutex, &ts_lengthy): Connection timed out
mutex5: [0.001235s] Failed: /usr/src/tests/lib/libpthread/t_timedmutex.c:337: pthread_mutex_timedlock(&mutex5, &ts_lengthy): Connection timed out
mutex6: [21.218497s] Failed: /usr/src/tests/lib/libpthread/t_timedmutex.c:512: start != 1
mutexattr1: [0.001328s] Passed.
mutexattr2: [0.001175s] Passed.
timedmutex1: [301.119397s] Failed: Test case timed out after 300 seconds
timedmutex2: [301.123081s] Failed: Test case timed out after 300 seconds
[623.990659s]

I'm also receiveing the same failure in the mutex6 test in t_mutex, so
there might be a false positives due to local chroot(8) issues.

Commit approved by <christos>.
 1.11  12-Apr-2013  christos branches: 1.11.10;
loosen the test only for qemu.
 1.10  28-Mar-2013  christos Add pthread_cond_timedwait(3) test from PR/47703
 1.9  21-Mar-2013  christos new dlopen tests for libpthread from manu@
 1.8  12-Sep-2012  manu branches: 1.8.2;
setcontext() used to be incompatible with -lpthread since it affected
the TLS pointer, therefore wrecking the pthread environement.

Some ports had _UC_TLSBASE flag or equivalent (_UC_UNIQUE on alpha)
that controlled whether setcontext() would change the TLS pointer.
This change let libpthread override setcontext() with its own version
that unsets _UC_TLSBASE, enabling safe usage of setcontext() with
-lpthread.

We also have the following required changes here:
- rename alpha's _UC_UNIQUE into _UC_TLSBASE
- add _UC_TLSBASE definition in header file for all ports
(powerpc, sh3, sparc and sparc64 lack the implementation for now)
- introduce a libc stub that can be overriden for setcontext()
- modify MD libcs swapcontext() implementations so that they use the
setcontext() libc stub instead of doing a plain system call.

While we are there:
- document various MD _UC_* flags in header file
- add libc and libpthread tests for swapcontext() behavior
(hopefully helpful to spot MD problems introduced with this change)

Future work:
- Deciding whether kernel support or _UC_TLSBASE should be added for
powerpc, sh3, sparc and sparc64 is left to portmasters
sparc64

Approved by core@
 1.7  06-Apr-2011  jruoho branches: 1.7.4;
As per PR lib/44818, remove 'lib/libpthread/t_status'. It takes two minutes
to rewrite this properly if someone misses this.
 1.6  24-Mar-2011  jruoho A dummy conformance-test for pthread_detach(3). I will extend this later.
 1.5  24-Mar-2011  jruoho A dummy conformance-test of pthread_equal(3).
 1.4  08-Dec-2010  joerg Link t_fpu against libm if the compiler doesn't want to inline sin/cos.
 1.3  30-Nov-2010  joerg Test alignment of constructor / destructor calls as well as the stack
of new threads. Currently implement for i386 and AMD64.
 1.2  28-Jul-2010  jruoho Add a simple test for pthread_join(3).
 1.1  16-Jul-2010  jmmv Convert the libpthread tests to atf.
Initial work from the GSoC 2008 project by Lukasz Strzygowski.

I think that this, together with the previous conversion of librt, obsoletes
the tests in the semaphore/ directory. Will investigate later.
 1.7.4.2  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.7.4.1  30-Oct-2012  yamt sync with head
 1.8.2.1  23-Jun-2013  tls resync from head
 1.11.10.1  04-Nov-2016  pgoyette Sync with HEAD
 1.12.6.2  09-Dec-2023  martin Pull up following revision(s) (requested by riastradh in ticket #1924):

tests/lib/libpthread/Makefile: revision 1.16
lib/libpthread/pthread.c: revision 1.184
distrib/sets/lists/debug/mi: revision 1.424
distrib/sets/lists/tests/mi: revision 1.1297
tests/lib/libpthread/t_stack.c: revision 1.1
tests/lib/libpthread/t_stack.c: revision 1.2
tests/lib/libpthread/t_stack.c: revision 1.3
tests/lib/libpthread/t_stack.c: revision 1.4
tests/lib/libpthread/t_stack.c: revision 1.5
tests/lib/libpthread/t_stack.c: revision 1.6

pthread: Add tests for pthread user stack allocation.
PR lib/57721

libpthread/t_stack: Make this more robust to the guard size bug.
Make sure to allocate enough space for the thread's stack for a guard
even though there shouldn't be one, so that when we run the thread,
it doesn't start with the stack pointer pointing into someone else's
allocation (like malloc) causing stack frames to trash another data
structure -- or causing the user of that data structure to trash the
stack frames.
PR lib/57721

libpthread/t_stack: Omit needless cast in previous.
Arose from an earlier draft of the change.
PR lib/57721

libpthread/t_stack: Appease gcc12 maybe-uninitialized warning.
The jmp_buf is not, in fact, uninitialized at the point of use, but
it doesn't hurt to narrow the scope a bit to between when the jmp_buf
is initialized by setjmp, and when the signal handler might be called
after sigaction.
Noted by prlw1.
PR lib/57721

libpthread/t_stack: Fix format string for size_t.
Tested this on i386 since that had been crashing before, but i386
doesn't see %zu for unsigned int as a problem.
PR lib/57721

pthread: Don't adjust user-allocated stack addresses by guardsize.
PR lib/57721
 1.12.6.1  29-Aug-2017  bouyer Pull up following revision(s) (requested by joerg in ticket #127):
tests/libexec/ld.elf_so/h_thread_local_dtor.c: revision 1.1
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6/c++config.h: revision 1.14
external/gpl3/gcc/lib/libstdc++-v3/arch/earmeb/c++config.h: revision 1.17
lib/libc/stdlib/atexit.h: file removal
lib/libc/stdlib/exit.c: revision 1.16
external/gpl3/gcc/lib/libstdc++-v3/arch/powerpc64/c++config.h: revision 1.8
lib/libc/stdlib/exit.c: revision 1.17
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7hf/c++config.h: revision 1.14
distrib/sets/lists/debug/shl.mi: revision 1.178
external/gpl3/gcc/lib/libstdc++-v3/arch/sh3el/c++config.h: revision 1.21
distrib/sets/lists/debug/shl.mi: revision 1.179
distrib/sets/lists/debug/mi: revision 1.219
lib/libpthread/pthread.c: revision 1.150
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7/c++config.h: revision 1.14
libexec/ld.elf_so/symbols.map: revision 1.2
include/dlfcn.h: revision 1.25
external/gpl3/gcc/lib/libstdc++-v3/arch/arm/c++config.h: revision 1.21
external/gpl3/gcc/lib/libstdc++-v3/arch/x86_64/c++config.h: revision 1.23
external/gpl3/gcc/lib/libstdc++-v3/arch/mips64el/c++config.h: revision 1.18
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv4eb/c++config.h: revision 1.14
external/gpl3/gcc/lib/libstdc++-v3/arch/earm/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/mipsel/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/ia64/c++config.h: revision 1.5
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6eb/c++config.h: revision 1.14
external/gpl3/gcc/lib/libstdc++-v3/arch/earmhf/c++config.h: revision 1.17
distrib/sets/lists/tests/mi: revision 1.755
external/gpl3/gcc/lib/libstdc++-v3/arch/mips64eb/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/i386/c++config.h: revision 1.20
external/gpl3/gcc/lib/libstdc++-v3/arch/vax/c++config.h: revision 1.21
external/gpl3/gcc/lib/libstdc++-v3/arch/armeb/c++config.h: revision 1.21
external/gpl3/gcc/lib/libstdc++-v3/arch/sparc/c++config.h: revision 1.20
lib/libc/dlfcn/dlfcn_elf.c: revision 1.14
tests/libexec/ld.elf_so/t_thread_local_dtor.sh: revision 1.1
tests/lib/libpthread/t_thread_local_dtor.sh: revision 1.1
lib/libc/stdlib/Makefile.inc: revision 1.93
lib/libc/include/atexit.h: revision 1.1
lib/libc/include/atexit.h: revision 1.2
external/gpl3/gcc/lib/libstdc++-v3/arch/m68k/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6hf/c++config.h: revision 1.14
distrib/sets/lists/debug/shl.mi: revision 1.180
external/gpl3/gcc/lib/libstdc++-v3/arch/sparc64/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv6hfeb/c++config.h: revision 1.14
external/gpl3/gcc/lib/libstdc++-v3/arch/hppa/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7hfeb/c++config.h: revision 1.14
lib/libc/stdlib/cxa_thread_atexit.c: revision 1.1
tests/libexec/ld.elf_so/helper_dso3/h_helper_dso3.cpp: revision 1.1
tests/libexec/ld.elf_so/helper_dso3/Makefile: revision 1.1
external/gpl3/gcc/lib/libstdc++-v3/arch/riscv64/c++config.h: revision 1.5
libexec/ld.elf_so/rtld.c: revision 1.185
external/gpl3/gcc/lib/libstdc++-v3/arch/sh3eb/c++config.h: revision 1.19
external/gpl3/gcc/lib/libstdc++-v3/arch/riscv32/c++config.h: revision 1.5
external/gpl3/gcc/lib/libstdc++-v3/arch/m68000/c++config.h: revision 1.15
external/gpl3/gcc/lib/libstdc++-v3/arch/mipseb/c++config.h: revision 1.21
external/gpl3/gcc/lib/libstdc++-v3/arch/coldfire/c++config.h: revision 1.12
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv4/c++config.h: revision 1.14
external/gpl3/gcc/lib/libstdc++-v3/arch/earmhfeb/c++config.h: revision 1.15
external/gpl3/gcc/lib/libstdc++-v3/arch/alpha/c++config.h: revision 1.19
tests/libexec/ld.elf_so/Makefile: revision 1.9
external/gpl3/gcc/lib/libstdc++-v3/arch/powerpc/c++config.h: revision 1.20
external/gpl3/gcc/lib/libstdc++-v3/arch/earmv7eb/c++config.h: revision 1.14
tests/lib/libpthread/h_thread_local_dtor.cpp: revision 1.1
distrib/sets/lists/tests/shl.mi: revision 1.11
tests/lib/libpthread/Makefile: revision 1.13
libexec/ld.elf_so/rtld.h: revision 1.129
external/gpl3/gcc/lib/libstdc++-v3/arch/or1k/c++config.h: revision 1.6
Implement __cxa_thread_atexit and __cxa_thread_atexit_impl. This
functions are used for destructors of thread_local objects.
If a pending destructor exists, prevent unloading of shared objects.
Introduce __dl_cxa_refcount interface for this purpose. When the last
reference is gone and the object has been dlclose'd before, the
unloading is finalized.
Ideally, __cxa_thread_atexit_impl wouldn't exist, but libstdc++ insists
on providing __cxa_thread_atexit as direct wrapper without further
patching.
Fix filename of new debug file
Add misising DEBUGLIB file
Avoid common declaration.
Drop TLS variant checks, emutls is enough for VAX and Sun2.
 1.13.6.1  10-Jun-2019  christos Sync with HEAD
 1.14.2.1  09-Dec-2023  martin Pull up following revision(s) (requested by riastradh in ticket #1775):

tests/lib/libpthread/Makefile: revision 1.16
lib/libpthread/pthread.c: revision 1.184
distrib/sets/lists/debug/mi: revision 1.424
distrib/sets/lists/tests/mi: revision 1.1297
tests/lib/libpthread/t_stack.c: revision 1.1
tests/lib/libpthread/t_stack.c: revision 1.2
tests/lib/libpthread/t_stack.c: revision 1.3
tests/lib/libpthread/t_stack.c: revision 1.4
tests/lib/libpthread/t_stack.c: revision 1.5
tests/lib/libpthread/t_stack.c: revision 1.6

pthread: Add tests for pthread user stack allocation.
PR lib/57721

libpthread/t_stack: Make this more robust to the guard size bug.
Make sure to allocate enough space for the thread's stack for a guard
even though there shouldn't be one, so that when we run the thread,
it doesn't start with the stack pointer pointing into someone else's
allocation (like malloc) causing stack frames to trash another data
structure -- or causing the user of that data structure to trash the
stack frames.
PR lib/57721

libpthread/t_stack: Omit needless cast in previous.
Arose from an earlier draft of the change.
PR lib/57721

libpthread/t_stack: Appease gcc12 maybe-uninitialized warning.
The jmp_buf is not, in fact, uninitialized at the point of use, but
it doesn't hurt to narrow the scope a bit to between when the jmp_buf
is initialized by setjmp, and when the signal handler might be called
after sigaction.
Noted by prlw1.
PR lib/57721

libpthread/t_stack: Fix format string for size_t.
Tested this on i386 since that had been crashing before, but i386
doesn't see %zu for unsigned int as a problem.
PR lib/57721

pthread: Don't adjust user-allocated stack addresses by guardsize.
PR lib/57721
 1.15.6.1  28-Nov-2023  martin Pull up following revision(s) (requested by riastradh in ticket #478):

tests/lib/libpthread/Makefile: revision 1.16
lib/libpthread/pthread.c: revision 1.184
distrib/sets/lists/debug/mi: revision 1.424
distrib/sets/lists/tests/mi: revision 1.1297
tests/lib/libpthread/t_stack.c: revision 1.1
tests/lib/libpthread/t_stack.c: revision 1.2
tests/lib/libpthread/t_stack.c: revision 1.3
tests/lib/libpthread/t_stack.c: revision 1.4
tests/lib/libpthread/t_stack.c: revision 1.5
tests/lib/libpthread/t_stack.c: revision 1.6

pthread: Add tests for pthread user stack allocation.
PR lib/57721

libpthread/t_stack: Make this more robust to the guard size bug.
Make sure to allocate enough space for the thread's stack for a guard
even though there shouldn't be one, so that when we run the thread,
it doesn't start with the stack pointer pointing into someone else's
allocation (like malloc) causing stack frames to trash another data
structure -- or causing the user of that data structure to trash the
stack frames.
PR lib/57721

libpthread/t_stack: Omit needless cast in previous.
Arose from an earlier draft of the change.
PR lib/57721

libpthread/t_stack: Appease gcc12 maybe-uninitialized warning.
The jmp_buf is not, in fact, uninitialized at the point of use, but
it doesn't hurt to narrow the scope a bit to between when the jmp_buf
is initialized by setjmp, and when the signal handler might be called
after sigaction.
Noted by prlw1.
PR lib/57721

libpthread/t_stack: Fix format string for size_t.
Tested this on i386 since that had been crashing before, but i386
doesn't see %zu for unsigned int as a problem.
PR lib/57721

pthread: Don't adjust user-allocated stack addresses by guardsize.
PR lib/57721
 1.16.2.1  02-Aug-2025  perseant Sync with HEAD

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