# Copyright (C) 2002-2024 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # The GNU C Library 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 # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, see # . # # Sub-makefile for NPTL portion of the library. # subdir := nptl include ../Makeconfig headers := \ bits/atomic_wide_counter.h \ bits/semaphore.h \ bits/struct_mutex.h \ bits/struct_rwlock.h \ pthread.h \ semaphore.h \ # headers extra-libs := libpthread extra-libs-others := $(extra-libs) routines = \ alloca_cutoff \ cancellation \ cleanup \ cleanup_compat \ cleanup_defer \ cleanup_defer_compat \ cleanup_routine \ elision-conf \ elision-lock \ elision-timed \ elision-trylock \ elision-unlock \ events \ futex-internal \ libc-cleanup \ lowlevellock \ nptl-stack \ nptl_deallocate_tsd \ nptl_free_tcb \ nptl_nthreads \ nptl_setxid \ nptlfreeres \ old_pthread_cond_broadcast \ old_pthread_cond_destroy \ old_pthread_cond_init \ old_pthread_cond_signal \ old_pthread_cond_timedwait \ old_pthread_cond_wait \ pthread_atfork \ pthread_attr_copy \ pthread_attr_destroy \ pthread_attr_extension \ pthread_attr_getaffinity \ pthread_attr_getdetachstate \ pthread_attr_getguardsize \ pthread_attr_getinheritsched \ pthread_attr_getschedparam \ pthread_attr_getschedpolicy \ pthread_attr_getscope \ pthread_attr_getsigmask \ pthread_attr_getstack \ pthread_attr_getstackaddr \ pthread_attr_getstacksize \ pthread_attr_init \ pthread_attr_setaffinity \ pthread_attr_setdetachstate \ pthread_attr_setguardsize \ pthread_attr_setinheritsched \ pthread_attr_setschedparam \ pthread_attr_setschedpolicy \ pthread_attr_setscope \ pthread_attr_setsigmask \ pthread_attr_setsigmask_internal \ pthread_attr_setstack \ pthread_attr_setstackaddr \ pthread_attr_setstacksize \ pthread_barrier_destroy \ pthread_barrier_init \ pthread_barrier_wait \ pthread_barrierattr_destroy \ pthread_barrierattr_getpshared \ pthread_barrierattr_init \ pthread_barrierattr_setpshared \ pthread_cancel \ pthread_cleanup_upto \ pthread_clockjoin \ pthread_cond_broadcast \ pthread_cond_destroy \ pthread_cond_init \ pthread_cond_signal \ pthread_cond_wait \ pthread_condattr_destroy \ pthread_condattr_getclock \ pthread_condattr_getpshared \ pthread_condattr_init \ pthread_condattr_setclock \ pthread_condattr_setpshared \ pthread_create \ pthread_detach \ pthread_equal \ pthread_exit \ pthread_getaffinity \ pthread_getattr_default_np \ pthread_getattr_np \ pthread_getconcurrency \ pthread_getcpuclockid \ pthread_getname \ pthread_getschedparam \ pthread_getspecific \ pthread_join \ pthread_join_common \ pthread_key_create \ pthread_key_delete \ pthread_keys \ pthread_kill \ pthread_kill_other_threads \ pthread_mutex_cond_lock \ pthread_mutex_conf \ pthread_mutex_consistent \ pthread_mutex_destroy \ pthread_mutex_getprioceiling \ pthread_mutex_init \ pthread_mutex_lock \ pthread_mutex_setprioceiling \ pthread_mutex_timedlock \ pthread_mutex_trylock \ pthread_mutex_unlock \ pthread_mutexattr_destroy \ pthread_mutexattr_getprioceiling \ pthread_mutexattr_getprotocol \ pthread_mutexattr_getpshared \ pthread_mutexattr_getrobust \ pthread_mutexattr_gettype \ pthread_mutexattr_init \ pthread_mutexattr_setprioceiling \ pthread_mutexattr_setprotocol \ pthread_mutexattr_setpshared \ pthread_mutexattr_setrobust \ pthread_mutexattr_settype \ pthread_once \ pthread_rwlock_clockrdlock \ pthread_rwlock_clockwrlock \ pthread_rwlock_destroy \ pthread_rwlock_init \ pthread_rwlock_rdlock \ pthread_rwlock_timedrdlock \ pthread_rwlock_timedwrlock \ pthread_rwlock_tryrdlock \ pthread_rwlock_trywrlock \ pthread_rwlock_unlock \ pthread_rwlock_wrlock \ pthread_rwlockattr_destroy \ pthread_rwlockattr_getkind_np \ pthread_rwlockattr_getpshared \ pthread_rwlockattr_init \ pthread_rwlockattr_setkind_np \ pthread_rwlockattr_setpshared \ pthread_self \ pthread_setaffinity \ pthread_setattr_default_np \ pthread_setcancelstate \ pthread_setcanceltype \ pthread_setconcurrency \ pthread_setname \ pthread_setschedparam \ pthread_setschedprio \ pthread_setspecific \ pthread_sigmask \ pthread_sigqueue \ pthread_spin_destroy \ pthread_spin_init \ pthread_spin_lock \ pthread_spin_trylock \ pthread_spin_unlock \ pthread_testcancel \ pthread_timedjoin \ pthread_tryjoin \ pthread_yield \ sem_clockwait \ sem_close \ sem_destroy \ sem_getvalue \ sem_init \ sem_open \ sem_post \ sem_routines \ sem_timedwait \ sem_unlink \ sem_wait \ tpp \ unwind \ vars \ # routines static-only-routines = pthread_atfork libpthread-routines = libpthread-compat libpthread-shared-only-routines = libpthread-compat # Pretend that libpthread.so is a linker script, so that the symbolic # link is not installed. install-lib-ldscripts = libpthread.so $(inst_libdir)/libpthread.so: # Since cancellation handling is in large parts handled using exceptions # we have to compile some files with exception handling enabled, some # even with asynchronous unwind tables. # nptl-init.c contains sigcancel_handler(). CFLAGS-nptl-init.c += -fexceptions -fasynchronous-unwind-tables # The unwind code itself, CFLAGS-unwind.c += -fexceptions CFLAGS-unwind-forcedunwind.c += -fexceptions -fasynchronous-unwind-tables # The following three functions must be async-cancel safe. CFLAGS-pthread_cancel.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_setcancelstate.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_setcanceltype.c += -fexceptions -fasynchronous-unwind-tables # These are internal functions which similar functionality as setcancelstate # and setcanceltype. CFLAGS-cancellation.c += -fasynchronous-unwind-tables # Calling pthread_exit() must cause the registered cancel handlers to # be executed. Therefore exceptions have to be thrown through this # function. CFLAGS-pthread_exit.c += -fexceptions # Among others, __pthread_unwind is forwarded. This function must handle # exceptions. CFLAGS-forward.c += -fexceptions # The following are cancellation points. Some of the functions can # block and therefore temporarily enable asynchronous cancellation. # Those must be compiled asynchronous unwind tables. CFLAGS-pthread_testcancel.c += -fexceptions CFLAGS-pthread_join.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_timedjoin.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_clockjoin.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_once.c += $(uses-callbacks) -fexceptions \ -fasynchronous-unwind-tables CFLAGS-pthread_cond_wait.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-pthread_kill.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-sem_wait.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-sem_timedwait.c += -fexceptions -fasynchronous-unwind-tables CFLAGS-sem_clockwait.c = -fexceptions -fasynchronous-unwind-tables CFLAGS-futex-internal.c += -fexceptions -fasynchronous-unwind-tables LDLIBS-tst-once5 = -lstdc++ CFLAGS-tst-thread_local1.o = -std=gnu++11 LDLIBS-tst-thread_local1 = -lstdc++ CFLAGS-tst-thread-exit-clobber.o = -std=gnu++11 LDLIBS-tst-thread-exit-clobber = -lstdc++ CFLAGS-tst-minstack-throw.o = -std=gnu++11 LDLIBS-tst-minstack-throw = -lstdc++ tests = \ tst-attr2 \ tst-attr3 \ tst-cancel4_1 \ tst-cancel4_2 \ tst-cancel7 \ tst-cancel17 \ tst-cancel24 \ tst-cond26 \ tst-context1 \ tst-default-attr \ tst-dlsym1 \ tst-exec4 \ tst-exec5 \ tst-initializers1 \ tst-initializers1-c11 \ tst-initializers1-c89 \ tst-initializers1-c99 \ tst-initializers1-gnu11 \ tst-initializers1-gnu89 \ tst-initializers1-gnu99 \ tst-minstack-cancel \ tst-minstack-exit \ tst-minstack-throw \ tst-mutex5a \ tst-mutex7a \ tst-mutexpi1 \ tst-mutexpi2 \ tst-mutexpi3 \ tst-mutexpi4 \ tst-mutexpi5 \ tst-mutexpi6 \ tst-mutexpi7 \ tst-mutexpi9 \ tst-mutexpi10 \ tst-mutexpi11 \ tst-mutexpi12 \ tst-once5 \ tst-pthread-attr-affinity \ tst-pthread-attr-affinity-fail \ tst-pthread-attr-sigmask \ tst-pthread-defaultattr-free \ tst-pthread-gdb-attach \ tst-pthread-gdb-attach-static \ tst-pthread-key1-static \ tst-pthread-timedlock-lockloop \ tst-pthread_exit-nothreads \ tst-pthread_exit-nothreads-static \ tst-robust-fork \ tst-robustpi1 \ tst-robustpi2 \ tst-robustpi3 \ tst-robustpi4 \ tst-robustpi5 \ tst-robustpi6 \ tst-robustpi7 \ tst-robustpi9 \ tst-rwlock-pwn \ tst-rwlock2 \ tst-rwlock3 \ tst-rwlock6 \ tst-rwlock7 \ tst-rwlock8 \ tst-rwlock9 \ tst-rwlock10 \ tst-rwlock11 \ tst-rwlock15 \ tst-rwlock17 \ tst-rwlock18 \ tst-rwlock21 \ tst-rwlock22 \ tst-sched1 \ tst-sem17 \ tst-signal3 \ tst-stack2 \ tst-stack3 \ tst-stack4 \ tst-thread-affinity-pthread \ tst-thread-affinity-pthread2 \ tst-thread-affinity-sched \ tst-thread-exit-clobber \ tst-thread-setspecific \ tst-thread_local1 \ tst-tsd3 \ tst-tsd4 \ # tests tests-nolibpthread = \ tst-pthread_exit-nothreads \ tst-pthread_exit-nothreads-static \ # tests-nolibpthread tests-container = tst-pthread-getattr tests-internal := \ tst-barrier5 \ tst-cond22 \ tst-mutex8 \ tst-mutex8-static \ tst-mutexpi8 \ tst-mutexpi8-static \ tst-robustpi8 \ tst-rwlock19 \ tst-rwlock20 \ tst-sem11 \ tst-sem12 \ tst-sem13 \ tst-setgetname \ tst-signal7 \ # tests-internal xtests = \ tst-mutexpp1 \ tst-mutexpp5 \ tst-mutexpp6 \ tst-mutexpp9 \ tst-mutexpp10 \ tst-setgroups \ tst-setuid1 \ tst-setuid1-static \ tst-setuid2 \ # xtests tests-time64 := \ tst-cancel4_2-time64 # tests-time64 # This test can run into task limits because of a linux kernel bug # and then cause the make process to fail too, see bug 24537. xtests += tst-eintr1 test-srcs = tst-oddstacklimit gen-as-const-headers = unwindbuf.sym gen-py-const-headers := nptl_lock_constants.pysym pretty-printers := nptl-printers.py tests-printers := \ test-cond-printers \ test-condattr-printers \ test-mutex-printers \ test-mutexattr-printers \ test-rwlock-printers \ test-rwlockattr-printers \ # tests-printers # We must specify both CFLAGS and CPPFLAGS to override any # compiler options the user might have provided that conflict # with what we need e.g. user specifies CPPFLAGS with -O2 and # we need -O0. CFLAGS-test-mutexattr-printers.c := $(CFLAGS-printers-tests) CFLAGS-test-mutex-printers.c := $(CFLAGS-printers-tests) CFLAGS-test-condattr-printers.c := $(CFLAGS-printers-tests) CFLAGS-test-cond-printers.c := $(CFLAGS-printers-tests) CFLAGS-test-rwlockattr-printers.c := $(CFLAGS-printers-tests) CFLAGS-test-rwlock-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-mutexattr-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-mutex-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-condattr-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-cond-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-rwlockattr-printers.c := $(CFLAGS-printers-tests) CPPFLAGS-test-rwlock-printers.c := $(CFLAGS-printers-tests) # Reuse the CFLAGS setting for the GDB attaching test. It needs # debugging information. CFLAGS-tst-pthread-gdb-attach.c := $(CFLAGS-printers-tests) CPPFLAGS-tst-pthread-gdb-attach.c := $(CFLAGS-printers-tests) ifeq ($(build-shared)$(build-hardcoded-path-in-tests),yesno) CPPFLAGS-tst-pthread-gdb-attach.c += -DDO_ADD_SYMBOL_FILE=1 else CPPFLAGS-tst-pthread-gdb-attach.c += -DDO_ADD_SYMBOL_FILE=0 endif CFLAGS-tst-pthread-gdb-attach-static.c := $(CFLAGS-printers-tests) CPPFLAGS-tst-pthread-gdb-attach-static.c := \ $(CFLAGS-printers-tests) -DDO_ADD_SYMBOL_FILE=0 # As of version 9.2, GDB cannot attach properly to PIE programs that # were launched with an explicit ld.so invocation. tst-pthread-gdb-attach-no-pie = yes tests += \ tst-cancelx7 \ tst-cancelx17 \ # tests ifeq ($(build-shared),yes) tests += \ tst-audit-threads \ tst-compat-forwarder \ # tests tests-internal += \ tst-stackguard1 \ tst-tls3 \ tst-tls3-malloc \ tst-tls5 \ # tests-internal ifeq ($(have-z-execstack)$(have-cc-trampoline),yesyes) tests += tst-execstack-threads endif endif modules-names = \ tst-audit-threads-mod1 \ tst-audit-threads-mod2 \ tst-compat-forwarder-mod \ tst-stack4mod \ tst-tls3mod \ tst-tls5mod \ tst-tls5moda \ tst-tls5modb \ tst-tls5modc \ tst-tls5modd \ tst-tls5mode \ tst-tls5modf \ # modules-names ifeq ($(have-z-execstack)$(have-cc-trampoline),yesyes) modules-names += \ tst-execstack-threads-mod \ # modules-names endif extra-test-objs += \ $(addsuffix .os,$(strip $(modules-names))) \ tst-cleanup4aux.o \ tst-cleanupx4aux.o \ # extra-test-objs test-extras += \ tst-cleanup4aux \ tst-cleanupx4aux \ # test-extras # This test exercises compat symbols removed in glibc 2.34. ifdef have-GLIBC_2.33 tests += tst-cleanup4 ifeq ($(build-shared),yes) tests += tst-cleanupx4 endif endif tst-tls3mod.so-no-z-defs = yes tst-tls5mod.so-no-z-defs = yes tst-tls5moda.so-no-z-defs = yes tst-tls5modb.so-no-z-defs = yes tst-tls5modc.so-no-z-defs = yes tst-tls5modd.so-no-z-defs = yes tst-tls5mode.so-no-z-defs = yes tst-tls5modf.so-no-z-defs = yes ifeq ($(build-shared),yes) # Set the `multidir' variable by grabbing the variable from the compiler. # We do it once and save the result in a generated makefile. -include $(objpfx)multidir.mk $(objpfx)multidir.mk: $(common-objpfx)config.make $(make-target-directory) dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \ echo "multidir := $$dir" > $@T mv -f $@T $@ endif CFLAGS-ftrylockfile.c += $(libio-mtsafe) CFLAGS-funlockfile.c += $(libio-mtsafe) link-libc-static := $(common-objpfx)libc.a $(static-gnulib) \ $(common-objpfx)libc.a tests-static += \ tst-cancel24-static \ tst-mutex8-static \ tst-mutexpi8-static \ tst-pthread-gdb-attach-static \ tst-pthread-key1-static \ tst-pthread_exit-nothreads-static \ tst-sem11-static \ tst-sem12-static tst-cond11-static \ tst-stackguard1-static \ # tests-static tests += tst-cancel24-static tests-internal += \ tst-sem11-static \ tst-sem12-static \ tst-stackguard1-static \ # tests-internal xtests-static += tst-setuid1-static ifeq ($(run-built-tests),yes) tests-special += \ $(objpfx)tst-oddstacklimit.out \ $(objpfx)tst-stack3-mem.out \ # tests-special ifeq ($(build-shared),yes) tests-special += $(objpfx)tst-tls6.out endif endif ifeq (,$(CXX)) # These tests require a C++ compiler and runtime. tests-unsupported += \ tst-cancel24 \ tst-cancel24-static \ tst-minstack-throw \ tst-once5 \ tst-thread-exit-clobber \ # tests-unsupported endif # These tests require a C++ compiler and runtime with thread_local support. ifneq ($(have-cxx-thread_local),yes) tests-unsupported += tst-thread_local1 endif include ../Rules ifeq (yes,$(build-shared)) # Make sure these things are built in the `make lib' pass so they can be used # to run programs during the `make others' pass. lib-noranlib: $(addprefix $(objpfx),$(extra-objs)) endif # 'pthread_self' is a simple memory or register load. Setting up the # stack frame is more work than the actual operation. Disable the # frame creation entirely. This will help applications which call the # function frequently to get a thread-specific handle. CFLAGS-pthread_self.os += -fomit-frame-pointer # Run the cancellation and cleanup tests also for the modern, exception-based # implementation. For this we have to pass the -fexceptions parameter. CFLAGS-tst-cancelx7.c += -fexceptions CFLAGS-tst-cancelx17.c += -fexceptions CFLAGS-tst-cleanupx4.c += -fexceptions CFLAGS-tst-cleanupx4aux.c += -fexceptions CFLAGS-tst-initializers1.c += -W -Wall -Werror CFLAGS-tst-initializers1-< = $(CFLAGS-tst-initializers1.c) \ $(patsubst tst-initializers1-%.c,-std=%,$<) CFLAGS-tst-initializers1-c89.c += $(CFLAGS-tst-initializers1-<) CFLAGS-tst-initializers1-c99.c += $(CFLAGS-tst-initializers1-<) CFLAGS-tst-initializers1-c11.c += $(CFLAGS-tst-initializers1-<) CFLAGS-tst-initializers1-gnu89.c += $(CFLAGS-tst-initializers1-<) CFLAGS-tst-initializers1-gnu99.c += $(CFLAGS-tst-initializers1-<) CFLAGS-tst-initializers1-gnu11.c += $(CFLAGS-tst-initializers1-<) tst-cancel7-ARGS = --command "exec $(host-test-program-cmd)" tst-cancelx7-ARGS = $(tst-cancel7-ARGS) tst-stack3-ENV = MALLOC_TRACE=$(objpfx)tst-stack3.mtrace \ LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so $(objpfx)tst-stack3-mem.out: $(objpfx)tst-stack3.out $(common-objpfx)malloc/mtrace $(objpfx)tst-stack3.mtrace > $@; \ $(evaluate-test) generated += \ tst-stack3-mem.out \ tst-stack3.mtrace \ # generated tst-stack4mod.sos=$(shell for i in 0 1 2 3 4 5 6 7 8 9 10 \ 11 12 13 14 15 16 17 18 19; do \ for j in 0 1 2 3 4 5 6 7 8 9 10 \ 11 12 13 14 15 16 17 18 19; do \ echo $(objpfx)tst-stack4mod-$$i-$$j.so; \ done; done) $(objpfx)tst-stack4.out: $(tst-stack4mod.sos) $(tst-stack4mod.sos): $(objpfx)tst-stack4mod.so cp -f $< $@ clean: rm -f $(tst-stack4mod.sos) $(objpfx)tst-cleanup4: $(objpfx)tst-cleanup4aux.o $(objpfx)tst-cleanupx4: $(objpfx)tst-cleanupx4aux.o LDFLAGS-tst-tls3 = -rdynamic LDFLAGS-tst-tls3mod.so = -Wl,-z,lazy $(objpfx)tst-tls3.out: $(objpfx)tst-tls3mod.so LDFLAGS-tst-tls3-malloc = -rdynamic $(objpfx)tst-tls3-malloc.out: $(objpfx)tst-tls3mod.so $(objpfx)tst-tls5: $(objpfx)tst-tls5mod.so LDFLAGS-tst-tls5 = -Wl,--no-as-needed LDFLAGS-tst-tls5mod.so = -Wl,-soname,tst-tls5mod.so ifeq ($(build-shared),yes) $(objpfx)tst-tls6.out: tst-tls6.sh $(objpfx)tst-tls5 \ $(objpfx)tst-tls5moda.so $(objpfx)tst-tls5modb.so \ $(objpfx)tst-tls5modc.so $(objpfx)tst-tls5modd.so \ $(objpfx)tst-tls5mode.so $(objpfx)tst-tls5modf.so $(BASH) $< $(common-objpfx) '$(test-via-rtld-prefix)' \ '$(test-wrapper-env)' '$(run-program-env)'; \ $(evaluate-test) endif LDLIBS-tst-cancel24 = -Wl,--no-as-needed -lstdc++ LDLIBS-tst-cancel24-static = $(LDLIBS-tst-cancel24) ifeq ($(build-shared),yes) generated += \ multidir.mk \ tst-tls6.out \ # generated endif tst-exec4-ARGS = $(host-test-program-cmd) $(objpfx)tst-execstack-threads.out: $(objpfx)tst-execstack-threads-mod.so LDFLAGS-tst-execstack-threads = -Wl,-z,noexecstack LDFLAGS-tst-execstack-threads-mod.so = -Wl,-z,execstack CFLAGS-tst-execstack-threads-mod.c += -Wno-trampolines tst-stackguard1-ARGS = --command "$(host-test-program-cmd) --child" tst-stackguard1-static-ARGS = --command "$(objpfx)tst-stackguard1-static --child" ifeq ($(run-built-tests),yes) $(objpfx)tst-oddstacklimit.out: $(objpfx)tst-oddstacklimit $(objpfx)tst-basic1 $(test-program-prefix) $< --command '$(host-test-program-cmd)' > $@; \ $(evaluate-test) endif $(objpfx)tst-compat-forwarder: $(objpfx)tst-compat-forwarder-mod.so tst-mutex10-ENV = GLIBC_TUNABLES=glibc.elision.enable=1 # Protect against a build using -Wl,-z,now. LDFLAGS-tst-audit-threads-mod1.so = -Wl,-z,lazy LDFLAGS-tst-audit-threads-mod2.so = -Wl,-z,lazy LDFLAGS-tst-audit-threads = -Wl,-z,lazy $(objpfx)tst-audit-threads: $(objpfx)tst-audit-threads-mod2.so $(objpfx)tst-audit-threads.out: $(objpfx)tst-audit-threads-mod1.so tst-audit-threads-ENV = LD_AUDIT=$(objpfx)tst-audit-threads-mod1.so # The test uses dlopen indirectly and would otherwise load system # objects. tst-setuid1-static-ENV = \ LD_LIBRARY_PATH=$(ld-library-path):$(common-objpfx)elf:$(common-objpfx)nss tst-pthread-proc-maps-ENV = \ GLIBC_TUNABLES=glibc.malloc.arena_max=8:glibc.malloc.mmap_threshold=1024 tst-pthread-proc-maps-ARGS = 8 # The tests here better do not run in parallel. ifeq ($(run-built-tests),yes) ifneq ($(filter %tests,$(MAKECMDGOALS)),) .NOTPARALLEL: endif endif