1#         $NetBSD: Makefile,v 1.100 2025/04/07 16:07:05 rillig Exp $
2#
3
4NOSANITIZER=        # defined
5WARNS?=   5
6LIB=      pthread
7
8.include <bsd.own.mk>
9
10USE_SHLIBDIR=       yes
11
12.if defined(PTHREAD_MACHINE_ARCH) && !empty(PTHREAD_MACHINE_ARCH) && \
13    exists(${.CURDIR}/arch/${PTHREAD_MACHINE_ARCH})
14ARCHSUBDIR=         ${PTHREAD_MACHINE_ARCH}
15.elif defined(PTHREAD_MACHINE_CPU) && !empty(PTHREAD_MACHINE_CPU) && \
16    exists(${.CURDIR}/arch/${PTHREAD_MACHINE_CPU})
17ARCHSUBDIR=         ${PTHREAD_MACHINE_CPU}
18.elif exists(${.CURDIR}/arch/${MACHINE_ARCH})
19ARCHSUBDIR=         ${MACHINE_ARCH}
20.elif exists(${.CURDIR}/arch/${MACHINE_CPU})
21ARCHSUBDIR=         ${MACHINE_CPU}
22.else
23.BEGIN:
24          @echo "WARNING: no ARCHSUBDIR for ${MACHINE_ARCH}/${MACHINE_CPU}; skipping..."
25.endif
26
27INCS=     pthread.h pthread_types.h pthread_queue.h
28INCSDIR=/usr/include
29
30.if defined(ARCHSUBDIR)
31
32ARCHDIR=  ${.CURDIR}/arch/${ARCHSUBDIR}
33.PATH:    ${ARCHDIR}
34
35EXPSYM_SRCS+=       pthread_mi.expsym
36.  if ${MACHINE_ARCH} == "alpha" || ${MACHINE_ARCH} == "hppa"
37# PTHREAD__ASM_RASOPS
38EXPSYM_SRCS+=       pthread_md.expsym
39.  else
40# !PTHREAD__ASM_RASOPS
41# XXX These really shouldn't be exported.
42EXPSYM_SRCS+=       pthread_ras.expsym
43.  endif
44
45LIB_EXPSYM=         pthread.expsym
46pthread.expsym: ${EXPSYM_SRCS}
47          ${_MKTARGET_CREATE}
48          LC_ALL=C sort -m ${.ALLSRC} >${.TARGET}.tmp && \
49          ${MV} ${.TARGET}.tmp ${.TARGET}
50CLEANFILES+=        pthread.expsym pthread.expsym.tmp
51
52CPPFLAGS+=          -I${ARCHDIR} -I${.CURDIR} -I${.OBJDIR} -D_LIBC -D_REENTRANT
53CPPFLAGS+=          -I${.CURDIR}/../libc/include
54CPPFLAGS+=          -D__LIBPTHREAD_SOURCE__ -D__LIBC_THREAD_STUBS
55
56# Since <pthread.h> is not used, allow declaring pthread_create and
57# friends locally.
58CWARNFLAGS.clang+=  -Wno-builtin-requires-header
59
60# XXX: This crappy poke at libc's internals needs to be fixed.
61CPPFLAGS+=-I${NETBSDSRCDIR}/sys -I${.CURDIR}/../libc
62
63# providing alternative MI implementations for creating an lwp is
64# possible by setting PTHREAD_MAKELWP.  Currently, alternatives are
65# set by the rumprun software stacks (see https://github.com/rumpkernel/rumprun )
66PTHREAD_MAKELWP?=   pthread_makelwp_netbsd.c
67
68#
69# NOTE: When you create a new file for libpthread, make sure that pthread.c
70# gets a reference to a symbol in that file.  Otherwise, Unix's stupid static
71# library semantics will end up discarding potentially important objects.
72#
73SRCS=     pthread.c
74SRCS+=    pthread_attr.c
75SRCS+=    pthread_barrier.c
76# used by rumprun-posix to work around symbol collisions
77.if ${PTHREAD_CANCELSTUB:Uyes} != "no"
78SRCS+=    pthread_cancelstub.c
79.endif
80SRCS+=    pthread_cond.c
81SRCS+=    pthread_getcpuclockid.c
82SRCS+=    pthread_lock.c
83SRCS+=    ${PTHREAD_MAKELWP}
84SRCS+=    pthread_misc.c
85SRCS+=    pthread_mutex.c
86SRCS+=    pthread_once.c
87SRCS+=    pthread_rwlock.c
88SRCS+=    pthread_specific.c
89SRCS+=    pthread_spin.c
90SRCS+=    pthread_tsd.c
91SRCS+=    res_state.c
92.PATH: ${.CURDIR}/../librt
93SRCS+=    sem.c
94# Architecture-dependent files
95.if exists(${ARCHDIR}/pthread_md.S)
96SRCS+= pthread_md.S
97.endif
98.if exists(${ARCHDIR}/Makefile.inc)
99.include "${ARCHDIR}/Makefile.inc"
100.endif
101
102# The PTHREAD__COMPAT flag builds a libpthread that can be dropped
103# into a NetBSD 2/3/4 chroot with a NetBSD 5 or later kernel.
104# This makes threading work in the chroot, no other modifications
105# required.
106#
107.if defined(PTHREAD__COMPAT)
108SRCS+=              pthread_compat.c
109.PATH.c:  ${.CURDIR}/../../common/lib/libc/arch/${ARCHSUBDIR}/atomic
110.PATH.S:  ${.CURDIR}/../../common/lib/libc/arch/${ARCHSUBDIR}/atomic
111.PATH.c:  ${.CURDIR}/../../common/lib/libc/atomic
112.PATH.c:  ${.CURDIR}/../libc/misc
113.include "../../common/lib/libc/arch/${ARCHSUBDIR}/atomic/Makefile.inc"
114.endif
115
116ALIGN_FUNCTIONS=    ${${ACTIVE_CC} == "gcc":? -falign-functions=32 :}
117
118# The TSD routines are used in the implementation of profiling, and so
119# can't be profiled themselves.
120COPTS.pthread_specific.c+=    ${ALIGN_FUNCTIONS}
121pthread_specific.po: pthread_specific.o
122          ${_MKTARGET_CREATE}
123          cp pthread_specific.o pthread_specific.po
124
125COPTS.pthread.c += -Wno-stack-protector -Wno-format-nonliteral
126COPTS.pthread_attr.c += -Wno-format-nonliteral
127
128LINTFLAGS+=         -Ac11               # for _Atomic
129
130MAN+=     affinity.3 pthread.3 \
131          pthread_attr.3 \
132          pthread_attr_get_np.3 \
133          pthread_attr_getdetachstate.3 \
134          pthread_attr_getguardsize.3 \
135          pthread_attr_getinheritsched.3 \
136          pthread_attr_getname_np.3 \
137          pthread_attr_getschedparam.3 \
138          pthread_attr_getscope.3 \
139          pthread_attr_getstack.3 \
140          pthread_attr_setcreatesuspend_np.3 \
141          pthread_barrier.3 pthread_barrierattr.3 \
142          pthread_cancel.3 pthread_cleanup_push.3 \
143          pthread_cond.3 pthread_condattr.3 \
144          pthread_create.3 pthread_detach.3 pthread_equal.3 \
145          pthread_curcpu_np.3 \
146          pthread_exit.3 \
147          pthread_getcpuclockid.3 \
148          pthread_getname_np.3 \
149          pthread_getspecific.3 pthread_join.3 \
150          pthread_key_create.3 pthread_kill.3 \
151          pthread_mutex.3 pthread_mutexattr.3 \
152          pthread_once.3 pthread_rwlock.3 pthread_rwlockattr.3 \
153          pthread_schedparam.3 pthread_self.3 \
154          pthread_sigmask.3 pthread_spin.3 \
155          pthread_suspend_np.3 pthread_testcancel.3
156
157MLINKS+=  pthread_attr_get_np.3 pthread_getattr_np.3
158MLINKS+=  affinity.3 pthread_setaffinity_np.3
159MLINKS+=  affinity.3 pthread_getaffinity_np.3
160
161MLINKS+=  pthread_attr.3 pthread_attr_init.3
162MLINKS+=  pthread_attr.3 pthread_attr_destroy.3
163
164MLINKS+=  pthread_attr_getdetachstate.3 pthread_attr_setdetachstate.3
165MLINKS+=  pthread_attr_getguardsize.3 pthread_attr_setguardsize.3
166MLINKS+=  pthread_attr_getinheritsched.3 pthread_attr_setinheritsched.3
167MLINKS+=  pthread_attr_getname_np.3 pthread_attr_setname_np.3
168
169MLINKS+=  pthread_attr_getschedparam.3 pthread_attr_setschedparam.3 \
170                    pthread_attr_getschedparam.3 pthread_attr_getschedpolicy.3 \
171                    pthread_attr_getschedparam.3 pthread_attr_setschedpolicy.3
172
173MLINKS+=  pthread_attr_getscope.3 pthread_attr_setscope.3
174
175MLINKS+=  pthread_attr_getstack.3 pthread_attr_setstack.3 \
176                    pthread_attr_getstack.3 pthread_attr_getstacksize.3 \
177                    pthread_attr_getstack.3 pthread_attr_setstacksize.3 \
178                    pthread_attr_getstack.3 pthread_attr_getstackaddr.3 \
179                    pthread_attr_getstack.3 pthread_attr_setstackaddr.3
180
181MLINKS+=  pthread_cleanup_push.3 pthread_cleanup_pop.3
182
183MLINKS+=  pthread_barrier.3 pthread_barrier_init.3
184MLINKS+=  pthread_barrier.3 pthread_barrier_destroy.3
185MLINKS+=  pthread_barrier.3 pthread_barrier_wait.3
186
187MLINKS+=  pthread_barrierattr.3 pthread_barrierattr_init.3
188MLINKS+=  pthread_barrierattr.3 pthread_barrierattr_destroy.3
189MLINKS+=  pthread_barrierattr.3 pthread_barrierattr_getpshared.3
190MLINKS+=  pthread_barrierattr.3 pthread_barrierattr_setpshared.3
191
192MLINKS+=  pthread_cond.3 pthread_cond_init.3
193MLINKS+=  pthread_cond.3 pthread_cond_destroy.3
194MLINKS+=  pthread_cond.3 pthread_cond_broadcast.3
195MLINKS+=  pthread_cond.3 pthread_cond_wait.3
196MLINKS+=  pthread_cond.3 pthread_cond_signal.3
197MLINKS+=  pthread_cond.3 pthread_cond_timedwait.3
198
199MLINKS+=  pthread_condattr.3 pthread_condattr_init.3
200MLINKS+=  pthread_condattr.3 pthread_condattr_destroy.3
201MLINKS+=  pthread_condattr.3 pthread_condattr_setclock.3
202MLINKS+=  pthread_condattr.3 pthread_condattr_getclock.3
203MLINKS+=  pthread_condattr.3 pthread_condattr_getpshared.3
204MLINKS+=  pthread_condattr.3 pthread_condattr_setpshared.3
205
206MLINKS+=  pthread_getname_np.3 pthread_setname_np.3
207MLINKS+=  pthread_getspecific.3 pthread_setspecific.3
208MLINKS+=  pthread_key_create.3 pthread_key_delete.3
209
210MLINKS+=  pthread_mutex.3 pthread_mutex_init.3
211MLINKS+=  pthread_mutex.3 pthread_mutex_destroy.3
212MLINKS+=  pthread_mutex.3 pthread_mutex_lock.3
213MLINKS+=  pthread_mutex.3 pthread_mutex_trylock.3
214MLINKS+=  pthread_mutex.3 pthread_mutex_unlock.3
215MLINKS+=  pthread_mutex.3 pthread_mutex_timedlock.3
216MLINKS+=  pthread_mutex.3     pthread_mutex_getprioceiling.3
217MLINKS+=  pthread_mutex.3     pthread_mutex_setprioceiling.3
218
219MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_init.3
220MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_destroy.3
221MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_getpshared.3
222MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_setpshared.3
223MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_settype.3
224MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_gettype.3
225MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_getprotocol.3
226MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_setprotocol.3
227MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_getprioceiling.3
228MLINKS+=  pthread_mutexattr.3 pthread_mutexattr_setprioceiling.3
229
230MLINKS+=  pthread_rwlock.3 pthread_rwlock_init.3
231MLINKS+=  pthread_rwlock.3 pthread_rwlock_destroy.3
232MLINKS+=  pthread_rwlock.3 pthread_rwlock_rdlock.3
233MLINKS+=  pthread_rwlock.3 pthread_rwlock_wrlock.3
234MLINKS+=  pthread_rwlock.3 pthread_rwlock_unlock.3
235
236MLINKS+=  pthread_rwlock.3 pthread_rwlock_timedrdlock.3
237MLINKS+=  pthread_rwlock.3 pthread_rwlock_timedwrlock.3
238MLINKS+=  pthread_rwlock.3 pthread_rwlock_tryrdlock.3
239MLINKS+=  pthread_rwlock.3 pthread_rwlock_trywrlock.3
240
241MLINKS+=  pthread_rwlockattr.3 pthread_rwlockattr_init.3
242MLINKS+=  pthread_rwlockattr.3 pthread_rwlockattr_destroy.3
243MLINKS+=  pthread_rwlockattr.3 pthread_rwlockattr_getpshared.3
244MLINKS+=  pthread_rwlockattr.3 pthread_rwlockattr_setpshared.3
245
246MLINKS+=  pthread_spin.3 pthread_spin_init.3
247MLINKS+=  pthread_spin.3 pthread_spin_destroy.3
248MLINKS+=  pthread_spin.3 pthread_spin_lock.3
249MLINKS+=  pthread_spin.3 pthread_spin_trylock.3
250MLINKS+=  pthread_spin.3 pthread_spin_unlock.3
251
252MLINKS+=  pthread_schedparam.3 pthread_setschedparam.3
253MLINKS+=  pthread_schedparam.3 pthread_getschedparam.3
254MLINKS+=  pthread_suspend_np.3 pthread_resume_np.3
255MLINKS+=  pthread_testcancel.3 pthread_setcancelstate.3
256MLINKS+=  pthread_testcancel.3 pthread_setcanceltype.3
257
258# ISO C threads (ISO/IEC 9899:2011)
259
260SRCS+=              call_once.c cnd.c mtx.c thrd.c tss.c
261MAN+=               threads.3 call_once.3 cnd.3 mtx.3 thrd.3 tss.3
262
263MLINKS+=  call_once.3 ONCE_FLAG_INIT.3
264MLINKS+=  call_once.3 once_flag.3
265
266MLINKS+=  cnd.3 cnd_broadcast.3
267MLINKS+=  cnd.3 cnd_destroy.3
268MLINKS+=  cnd.3 cnd_init.3
269MLINKS+=  cnd.3 cnd_signal.3
270MLINKS+=  cnd.3 cnd_timedwait.3
271MLINKS+=  cnd.3 cnd_wait.3
272
273MLINKS+=  mtx.3 mtx_destroy.3
274MLINKS+=  mtx.3 mtx_init.3
275MLINKS+=  mtx.3 mtx_lock.3
276MLINKS+=  mtx.3 mtx_timedlock.3
277MLINKS+=  mtx.3 mtx_trylock.3
278MLINKS+=  mtx.3 mtx_unlock.3
279
280MLINKS+=  thrd.3 thrd_create.3
281MLINKS+=  thrd.3 thrd_current.3
282MLINKS+=  thrd.3 thrd_detach.3
283MLINKS+=  thrd.3 thrd_equal.3
284MLINKS+=  thrd.3 thrd_exit.3
285MLINKS+=  thrd.3 thrd_join.3
286MLINKS+=  thrd.3 thrd_sleep.3
287MLINKS+=  thrd.3 thrd_yield.3
288
289MLINKS+=  tss.3 TSS_DTOR_ITERATIONS.3
290MLINKS+=  tss.3 tss_create.3
291MLINKS+=  tss.3 tss_delete.3
292MLINKS+=  tss.3 tss_get.3
293MLINKS+=  tss.3 tss_set.3
294
295INCS+=              threads.h
296
297# PR lib/54001: create libpthread.a as a single large object, with all the
298# symbols in one section. ensures that if any libpthread function is used,
299# you get all of them from libpthread, and not the libc stubs.
300#
301# This makes -lpthread equivalent to -Wl,--whole-archive -lpthread
302
303__archivebuild: .USE
304          ${_MKTARGET_BUILD}
305          @rm -f ${.TARGET}
306          ${LD} -r -o ${.TARGET}.o `NM=${NM} ${LORDER} ${.ALLSRC:M*o} | ${TSORT}`
307          ${AR} ${_ARFL} ${.TARGET} ${.TARGET}.o
308
309CLEANFILES+=        ${_LIBS:=.o}
310
311.include <bsd.lib.mk>
312
313.else
314
315.include <bsd.man.mk>
316.include <bsd.files.mk>
317.include <bsd.inc.mk>
318
319.endif
320
321# WARNS=2 sets -Wcast-qual. This causes problems for one of
322# pthread_setspecific() and pthread_getspecific(), since the constness
323# of the argument to setspecific() has to be discarded *somewhere*
324# before returning it from getspecific().
325CWARNFLAGS+= -Wno-cast-qual
326