1 # Copyright (C) 2002-2025 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <https://www.gnu.org/licenses/>.
19 # Sub-makefile for NPTL portion of the library.
26 bits
/atomic_wide_counter.h \
29 bits
/struct_rwlock.h \
34 extra-libs
:= libpthread
35 extra-libs-others
:= $(extra-libs
)
43 cleanup_defer_compat \
60 old_pthread_cond_broadcast \
61 old_pthread_cond_destroy \
62 old_pthread_cond_init \
63 old_pthread_cond_signal \
64 old_pthread_cond_timedwait \
65 old_pthread_cond_wait \
67 pthread_attr_destroy \
68 pthread_attr_extension \
69 pthread_attr_getaffinity \
70 pthread_attr_getdetachstate \
71 pthread_attr_getguardsize \
72 pthread_attr_getinheritsched \
73 pthread_attr_getschedparam \
74 pthread_attr_getschedpolicy \
75 pthread_attr_getscope \
76 pthread_attr_getsigmask \
77 pthread_attr_getstack \
78 pthread_attr_getstackaddr \
79 pthread_attr_getstacksize \
81 pthread_attr_setaffinity \
82 pthread_attr_setdetachstate \
83 pthread_attr_setguardsize \
84 pthread_attr_setinheritsched \
85 pthread_attr_setschedparam \
86 pthread_attr_setschedpolicy \
87 pthread_attr_setscope \
88 pthread_attr_setsigmask \
89 pthread_attr_setsigmask_internal \
90 pthread_attr_setstack \
91 pthread_attr_setstackaddr \
92 pthread_attr_setstacksize \
93 pthread_barrier_destroy \
94 pthread_barrier_init \
95 pthread_barrier_wait \
96 pthread_barrierattr_destroy \
97 pthread_barrierattr_getpshared \
98 pthread_barrierattr_init \
99 pthread_barrierattr_setpshared \
101 pthread_cleanup_upto \
103 pthread_cond_broadcast \
104 pthread_cond_destroy \
106 pthread_cond_signal \
108 pthread_condattr_destroy \
109 pthread_condattr_getclock \
110 pthread_condattr_getpshared \
111 pthread_condattr_init \
112 pthread_condattr_setclock \
113 pthread_condattr_setpshared \
118 pthread_getaffinity \
119 pthread_getattr_default_np \
121 pthread_getconcurrency \
122 pthread_getcpuclockid \
124 pthread_getschedparam \
125 pthread_getspecific \
128 pthread_join_common \
133 pthread_kill_other_threads \
134 pthread_mutex_cond_lock \
136 pthread_mutex_consistent \
137 pthread_mutex_destroy \
138 pthread_mutex_getprioceiling \
141 pthread_mutex_setprioceiling \
142 pthread_mutex_timedlock \
143 pthread_mutex_trylock \
144 pthread_mutex_unlock \
145 pthread_mutexattr_destroy \
146 pthread_mutexattr_getprioceiling \
147 pthread_mutexattr_getprotocol \
148 pthread_mutexattr_getpshared \
149 pthread_mutexattr_getrobust \
150 pthread_mutexattr_gettype \
151 pthread_mutexattr_init \
152 pthread_mutexattr_setprioceiling \
153 pthread_mutexattr_setprotocol \
154 pthread_mutexattr_setpshared \
155 pthread_mutexattr_setrobust \
156 pthread_mutexattr_settype \
158 pthread_rwlock_clockrdlock \
159 pthread_rwlock_clockwrlock \
160 pthread_rwlock_destroy \
161 pthread_rwlock_init \
162 pthread_rwlock_rdlock \
163 pthread_rwlock_timedrdlock \
164 pthread_rwlock_timedwrlock \
165 pthread_rwlock_tryrdlock \
166 pthread_rwlock_trywrlock \
167 pthread_rwlock_unlock \
168 pthread_rwlock_wrlock \
169 pthread_rwlockattr_destroy \
170 pthread_rwlockattr_getkind_np \
171 pthread_rwlockattr_getpshared \
172 pthread_rwlockattr_init \
173 pthread_rwlockattr_setkind_np \
174 pthread_rwlockattr_setpshared \
176 pthread_setaffinity \
177 pthread_setattr_default_np \
178 pthread_setcancelstate \
179 pthread_setcanceltype \
180 pthread_setconcurrency \
182 pthread_setschedparam \
183 pthread_setschedprio \
184 pthread_setspecific \
187 pthread_spin_destroy \
190 pthread_spin_trylock \
191 pthread_spin_unlock \
213 libpthread-routines
= libpthread-compat
214 libpthread-shared-only-routines
= libpthread-compat
216 # Pretend that libpthread.so is a linker script, so that the symbolic
217 # link is not installed.
218 install-lib-ldscripts
= libpthread.so
219 $(inst_libdir
)/libpthread.so
:
221 # Since cancellation handling is in large parts handled using exceptions
222 # we have to compile some files with exception handling enabled, some
223 # even with asynchronous unwind tables.
225 # nptl-init.c contains sigcancel_handler().
226 CFLAGS-nptl-init.c
+= -fexceptions
-fasynchronous-unwind-tables
227 # The unwind code itself,
228 CFLAGS-unwind.c
+= -fexceptions
229 CFLAGS-unwind-forcedunwind.c
+= -fexceptions
-fasynchronous-unwind-tables
231 # The following three functions must be async-cancel safe.
232 CFLAGS-pthread_cancel.c
+= -fexceptions
-fasynchronous-unwind-tables
233 CFLAGS-pthread_setcancelstate.c
+= -fexceptions
-fasynchronous-unwind-tables
234 CFLAGS-pthread_setcanceltype.c
+= -fexceptions
-fasynchronous-unwind-tables
236 # These are internal functions which similar functionality as setcancelstate
238 CFLAGS-cancellation.c
+= -fexceptions
-fasynchronous-unwind-tables
239 CFLAGS-syscall_cancel.c
+= -fexceptions
-fasynchronous-unwind-tables
241 # Calling pthread_exit() must cause the registered cancel handlers to
242 # be executed. Therefore exceptions have to be thrown through this
244 CFLAGS-pthread_exit.c
+= -fexceptions
246 # Among others, __pthread_unwind is forwarded. This function must handle
248 CFLAGS-forward.c
+= -fexceptions
250 # The following are cancellation points. Some of the functions can
251 # block and therefore temporarily enable asynchronous cancellation.
252 # Those must be compiled asynchronous unwind tables.
253 CFLAGS-pthread_testcancel.c
+= -fexceptions
254 CFLAGS-pthread_join.c
+= -fexceptions
-fasynchronous-unwind-tables
255 CFLAGS-pthread_timedjoin.c
+= -fexceptions
-fasynchronous-unwind-tables
256 CFLAGS-pthread_clockjoin.c
+= -fexceptions
-fasynchronous-unwind-tables
257 CFLAGS-pthread_once.c
+= $(uses-callbacks
) -fexceptions \
258 -fasynchronous-unwind-tables
259 CFLAGS-pthread_cond_wait.c
+= -fexceptions
-fasynchronous-unwind-tables
260 CFLAGS-pthread_kill.c
= -fexceptions
-fasynchronous-unwind-tables
261 CFLAGS-sem_wait.c
+= -fexceptions
-fasynchronous-unwind-tables
262 CFLAGS-sem_timedwait.c
+= -fexceptions
-fasynchronous-unwind-tables
263 CFLAGS-sem_clockwait.c
= -fexceptions
-fasynchronous-unwind-tables
265 CFLAGS-futex-internal.c
+= -fexceptions
-fasynchronous-unwind-tables
267 LDLIBS-tst-once5
= -lstdc
++
268 CFLAGS-tst-thread_local1.o
= -std
=gnu
++11
269 LDLIBS-tst-thread_local1
= -lstdc
++
270 CFLAGS-tst-thread-exit-clobber.o
= -std
=gnu
++11
271 LDLIBS-tst-thread-exit-clobber
= -lstdc
++
272 CFLAGS-tst-minstack-throw.o
= -std
=gnu
++11
273 LDLIBS-tst-minstack-throw
= -lstdc
++
293 tst-initializers1-c11 \
294 tst-initializers1-c89 \
295 tst-initializers1-c99 \
296 tst-initializers1-gnu11 \
297 tst-initializers1-gnu89 \
298 tst-initializers1-gnu99 \
299 tst-minstack-cancel \
316 tst-pthread-affinity-inheritance \
317 tst-pthread-attr-affinity \
318 tst-pthread-attr-affinity-fail \
319 tst-pthread-attr-sigmask \
320 tst-pthread-defaultattr-free \
321 tst-pthread-gdb-attach \
322 tst-pthread-gdb-attach-static \
323 tst-pthread-getcpuclockid-invalid \
324 tst-pthread-key1-static \
325 tst-pthread-timedlock-lockloop \
326 tst-pthread_exit-nothreads \
327 tst-pthread_exit-nothreads-static \
328 tst-pthread_gettid_np \
358 tst-thread-affinity-pthread \
359 tst-thread-affinity-pthread2 \
360 tst-thread-affinity-sched \
361 tst-thread-exit-clobber \
362 tst-thread-setspecific \
368 tests-nolibpthread
= \
369 tst-pthread_exit-nothreads \
370 tst-pthread_exit-nothreads-static \
373 tests-container
= tst-pthread-getattr
381 tst-mutexpi8-static \
408 # This test can run into task limits because of a linux kernel bug
409 # and then cause the make process to fail too, see bug 24537.
412 test-srcs
= tst-oddstacklimit
414 gen-as-const-headers
= \
417 # gen-as-const-headers
419 gen-py-const-headers
:= nptl_lock_constants.pysym
420 pretty-printers
:= nptl-printers.py
423 test-condattr-printers \
424 test-mutex-printers \
425 test-mutexattr-printers \
426 test-rwlock-printers \
427 test-rwlockattr-printers \
430 # We must specify both CFLAGS and CPPFLAGS to override any
431 # compiler options the user might have provided that conflict
432 # with what we need e.g. user specifies CPPFLAGS with -O2 and
434 CFLAGS-test-mutexattr-printers.c
:= $(CFLAGS-printers-tests
)
435 CFLAGS-test-mutex-printers.c
:= $(CFLAGS-printers-tests
)
436 CFLAGS-test-condattr-printers.c
:= $(CFLAGS-printers-tests
)
437 CFLAGS-test-cond-printers.c
:= $(CFLAGS-printers-tests
)
438 CFLAGS-test-rwlockattr-printers.c
:= $(CFLAGS-printers-tests
)
439 CFLAGS-test-rwlock-printers.c
:= $(CFLAGS-printers-tests
)
440 CPPFLAGS-test-mutexattr-printers.c
:= $(CFLAGS-printers-tests
)
441 CPPFLAGS-test-mutex-printers.c
:= $(CFLAGS-printers-tests
)
442 CPPFLAGS-test-condattr-printers.c
:= $(CFLAGS-printers-tests
)
443 CPPFLAGS-test-cond-printers.c
:= $(CFLAGS-printers-tests
)
444 CPPFLAGS-test-rwlockattr-printers.c
:= $(CFLAGS-printers-tests
)
445 CPPFLAGS-test-rwlock-printers.c
:= $(CFLAGS-printers-tests
)
447 # Reuse the CFLAGS setting for the GDB attaching test. It needs
448 # debugging information.
449 CFLAGS-tst-pthread-gdb-attach.c
:= $(CFLAGS-printers-tests
)
450 CPPFLAGS-tst-pthread-gdb-attach.c
:= $(CFLAGS-printers-tests
)
451 ifeq ($(build-shared
)$(build-hardcoded-path-in-tests
),yesno
)
452 CPPFLAGS-tst-pthread-gdb-attach.c
+= -DDO_ADD_SYMBOL_FILE
=1
454 CPPFLAGS-tst-pthread-gdb-attach.c
+= -DDO_ADD_SYMBOL_FILE
=0
456 CFLAGS-tst-pthread-gdb-attach-static.c
:= $(CFLAGS-printers-tests
)
457 CPPFLAGS-tst-pthread-gdb-attach-static.c
:= \
458 $(CFLAGS-printers-tests
) -DDO_ADD_SYMBOL_FILE
=0
459 # As of version 9.2, GDB cannot attach properly to PIE programs that
460 # were launched with an explicit ld.so invocation.
461 tst-pthread-gdb-attach-no-pie
= yes
468 ifeq ($(build-shared
),yes
)
471 tst-compat-forwarder \
479 ifeq ($(have-z-execstack
)$(have-test-cc-trampoline
),yesyes
)
480 tests
+= tst-execstack-threads
485 tst-audit-threads-mod1 \
486 tst-audit-threads-mod2 \
487 tst-compat-forwarder-mod \
499 $(addsuffix .os
,$(strip $(modules-names
))) \
508 ifneq ($(have-test-clang
),yes
)
510 tst-execstack-threads-mod \
514 # This test exercises compat symbols removed in glibc 2.34.
515 ifdef have-GLIBC_2.33
516 tests
+= tst-cleanup4
517 ifeq ($(build-shared
),yes
)
518 tests
+= tst-cleanupx4
522 tst-tls3mod.so-no-z-defs
= yes
523 tst-tls5mod.so-no-z-defs
= yes
524 tst-tls5moda.so-no-z-defs
= yes
525 tst-tls5modb.so-no-z-defs
= yes
526 tst-tls5modc.so-no-z-defs
= yes
527 tst-tls5modd.so-no-z-defs
= yes
528 tst-tls5mode.so-no-z-defs
= yes
529 tst-tls5modf.so-no-z-defs
= yes
531 ifeq ($(build-shared
),yes
)
533 # Set the `multidir' variable by grabbing the variable from the compiler.
534 # We do it once and save the result in a generated makefile.
535 -include $(objpfx
)multidir.mk
536 $(objpfx
)multidir.mk
: $(common-objpfx
)config.make
537 $(make-target-directory
)
538 dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
539 echo
"multidir := $$dir" > $@T
544 CFLAGS-ftrylockfile.c
+= $(libio-mtsafe
)
545 CFLAGS-funlockfile.c
+= $(libio-mtsafe
)
547 link-libc-static
:= $(common-objpfx
)libc.a
$(static-gnulib
) \
548 $(common-objpfx
)libc.a
551 tst-cancel24-static \
553 tst-mutexpi8-static \
554 tst-pthread-gdb-attach-static \
555 tst-pthread-key1-static \
556 tst-pthread_exit-nothreads-static \
558 tst-sem12-static tst-cond11-static \
559 tst-stackguard1-static \
562 tests
+= tst-cancel24-static
563 ifeq ($(static-cxx-tests
),no
)
564 tests-unsupported
+= tst-cancel24-static
570 tst-stackguard1-static \
572 xtests-static
+= tst-setuid1-static
574 ifeq ($(run-built-tests
),yes
)
576 $(objpfx
)tst-oddstacklimit.out \
578 ifeq ($(build-shared
),yes
)
579 tests-special
+= $(objpfx
)tst-tls6.out
581 tests-special
+= $(objpfx
)tst-stack3-mem.out
587 # These tests require a C++ compiler and runtime.
588 tests-unsupported
+= \
590 tst-cancel24-static \
593 tst-thread-exit-clobber \
596 # These tests require a C++ compiler and runtime with thread_local support.
597 ifneq ($(have-cxx-thread_local
),yes
)
598 tests-unsupported
+= tst-thread_local1
603 ifeq (yes
,$(build-shared
))
604 # Make sure these things are built in the `make lib' pass so they can be used
605 # to run programs during the `make others' pass.
606 lib-noranlib
: $(addprefix $(objpfx
),$(extra-objs
))
610 # 'pthread_self' is a simple memory or register load. Setting up the
611 # stack frame is more work than the actual operation. Disable the
612 # frame creation entirely. This will help applications which call the
613 # function frequently to get a thread-specific handle.
614 CFLAGS-pthread_self.os
+= -fomit-frame-pointer
616 # Run the cancellation and cleanup tests also for the modern, exception-based
617 # implementation. For this we have to pass the -fexceptions parameter.
618 CFLAGS-tst-cancelx7.c
+= -fexceptions
619 CFLAGS-tst-cancelx17.c
+= -fexceptions
620 CFLAGS-tst-cleanupx4.c
+= -fexceptions
621 CFLAGS-tst-cleanupx4aux.c
+= -fexceptions
622 CFLAGS-tst-initializers1.c
+= -W
-Wall
-Werror
623 CFLAGS-tst-initializers1-
< = $(CFLAGS-tst-initializers1.c
) \
624 $(patsubst tst-initializers1-
%.c
,-std
=%,$<)
625 CFLAGS-tst-initializers1-c89.c
+= $(CFLAGS-tst-initializers1-
<)
626 CFLAGS-tst-initializers1-c99.c
+= $(CFLAGS-tst-initializers1-
<)
627 CFLAGS-tst-initializers1-c11.c
+= $(CFLAGS-tst-initializers1-
<)
628 CFLAGS-tst-initializers1-gnu89.c
+= $(CFLAGS-tst-initializers1-
<)
629 CFLAGS-tst-initializers1-gnu99.c
+= $(CFLAGS-tst-initializers1-
<)
630 CFLAGS-tst-initializers1-gnu11.c
+= $(CFLAGS-tst-initializers1-
<)
632 tst-cancel7-ARGS
= --command
"exec $(host-test-program-cmd)"
633 tst-cancelx7-ARGS
= $(tst-cancel7-ARGS
)
635 tst-stack3-ENV
= MALLOC_TRACE
=$(objpfx
)tst-stack3.mtrace \
636 LD_PRELOAD
=$(common-objpfx
)/malloc
/libc_malloc_debug.so
637 $(objpfx
)tst-stack3-mem.out
: $(objpfx
)tst-stack3.out
638 $(common-objpfx
)malloc
/mtrace
$(objpfx
)tst-stack3.mtrace
> $@
; \
641 ifeq ($(run-built-tests
),yes
)
642 ifeq (yes
,$(build-shared
))
652 tst-stack4mod.sos
=$(shell for i in
0 1 2 3 4 5 6 7 8 9 10 \
653 11 12 13 14 15 16 17 18 19; do \
654 for j in
0 1 2 3 4 5 6 7 8 9 10 \
655 11 12 13 14 15 16 17 18 19; do \
656 echo
$(objpfx
)tst-stack4mod-
$$i-$$j.so
; \
658 $(objpfx
)tst-stack4.out
: $(tst-stack4mod.sos
)
659 $(tst-stack4mod.sos
): $(objpfx
)tst-stack4mod.so
662 rm -f
$(tst-stack4mod.sos
)
664 $(objpfx
)tst-cleanup4
: $(objpfx
)tst-cleanup4aux.o
665 $(objpfx
)tst-cleanupx4
: $(objpfx
)tst-cleanupx4aux.o
667 LDFLAGS-tst-tls3
= -rdynamic
668 LDFLAGS-tst-tls3mod.so
= -Wl
,-z
,lazy
669 $(objpfx
)tst-tls3.out
: $(objpfx
)tst-tls3mod.so
671 LDFLAGS-tst-tls3-malloc
= -rdynamic
672 $(objpfx
)tst-tls3-malloc.out
: $(objpfx
)tst-tls3mod.so
674 $(objpfx
)tst-tls5
: $(objpfx
)tst-tls5mod.so
675 LDFLAGS-tst-tls5
= -Wl
,--no-as-needed
676 LDFLAGS-tst-tls5mod.so
= -Wl
,-soname
,tst-tls5mod.so
678 ifeq ($(build-shared
),yes
)
679 $(objpfx
)tst-tls6.out
: tst-tls6.sh
$(objpfx
)tst-tls5 \
680 $(objpfx
)tst-tls5moda.so
$(objpfx
)tst-tls5modb.so \
681 $(objpfx
)tst-tls5modc.so
$(objpfx
)tst-tls5modd.so \
682 $(objpfx
)tst-tls5mode.so
$(objpfx
)tst-tls5modf.so
683 $(BASH
) $< $(common-objpfx
) '$(test-via-rtld-prefix)' \
684 '$(test-wrapper-env)' '$(run-program-env)'; \
688 LDLIBS-tst-cancel24
= -Wl
,--no-as-needed
-lstdc
++
689 LDLIBS-tst-cancel24-static
= $(LDLIBS-tst-cancel24
)
691 ifeq ($(build-shared
),yes
)
699 tst-exec4-ARGS
= $(host-test-program-cmd
)
701 $(objpfx
)tst-execstack-threads.out
: $(objpfx
)tst-execstack-threads-mod.so
702 LDFLAGS-tst-execstack-threads
= -Wl
,-z
,noexecstack
703 LDFLAGS-tst-execstack-threads-mod.so
= -Wl
,-z
,execstack
704 CFLAGS-tst-execstack-threads-mod.c
+= -Wno-trampolines
705 ifeq ($(have-no-error-execstack
),yes
)
706 LDFLAGS-tst-execstack-threads-mod.so
+= -Wl
,--no-error-execstack
709 tst-stackguard1-ARGS
= --command
"$(host-test-program-cmd) --child"
710 tst-stackguard1-static-ARGS
= --command
"$(objpfx)tst-stackguard1-static --child"
712 ifeq ($(run-built-tests
),yes
)
713 $(objpfx
)tst-oddstacklimit.out
: $(objpfx
)tst-oddstacklimit
$(objpfx
)tst-basic1
714 $(test-program-prefix
) $< --command
'$(host-test-program-cmd)' > $@
; \
718 $(objpfx
)tst-compat-forwarder
: $(objpfx
)tst-compat-forwarder-mod.so
720 tst-mutex10-ENV
= GLIBC_TUNABLES
=glibc.elision.enable
=1
722 # Protect against a build using -Wl,-z,now.
723 LDFLAGS-tst-audit-threads-mod1.so
= -Wl
,-z
,lazy
724 LDFLAGS-tst-audit-threads-mod2.so
= -Wl
,-z
,lazy
725 LDFLAGS-tst-audit-threads
= -Wl
,-z
,lazy
726 $(objpfx
)tst-audit-threads
: $(objpfx
)tst-audit-threads-mod2.so
727 $(objpfx
)tst-audit-threads.out
: $(objpfx
)tst-audit-threads-mod1.so
728 tst-audit-threads-ENV
= LD_AUDIT
=$(objpfx
)tst-audit-threads-mod1.so
730 # The test uses dlopen indirectly and would otherwise load system
732 tst-setuid1-static-ENV
= \
733 LD_LIBRARY_PATH
=$(ld-library-path
):$(common-objpfx
)elf
:$(common-objpfx
)nss
735 tst-pthread-proc-maps-ENV
= \
736 GLIBC_TUNABLES
=glibc.malloc.arena_max
=8:glibc.malloc.mmap_threshold
=1024
737 tst-pthread-proc-maps-ARGS
= 8
739 # The tests here better do not run in parallel.
740 ifeq ($(run-built-tests
),yes
)
741 ifneq ($(filter %tests
,$(MAKECMDGOALS
)),)