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freebsd/lib/libkse/Makefile

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$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
# $FreeBSD$
Reviewed by: julian Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete
1996-01-22 00:23:58 +00:00
#
Sync SCM ID comments with libc.
2002-04-15 20:22:28 +00:00
# All library objects contain FreeBSD revision strings by default; they may be
Reviewed by: julian Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete
1996-01-22 00:23:58 +00:00
# excluded as a space-saving measure. To produce a library that does
Sync SCM ID comments with libc.
2002-04-15 20:22:28 +00:00
# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS
# below. Note, there are no IDs for syscall stubs whose sources are generated.
# To included legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS
# (for system call stubs) to CFLAGS below. -DSYSLIBC_SCCS affects just the
# system call stubs.
Enable symbol versioning by default. Use WITHOUT_SYMVER to disable it. Warning, after symbol versioning is enabled, going back is not easy (use WITHOUT_SYMVER at your own risk). Change the default thread library to libthr. There most likely still needs to be a version bump for at least the thread libraries. If necessary, this will happen later.
2007-05-13 14:12:40 +00:00
.include <bsd.own.mk>
Repo copy libpthreads to libkse. This introduces the WITHOUT_LIBKSE nob, and changes WITHOUT_LIBPTHREADS to mean with neither threading libs. Approved by: re(kensmith)
2007-10-09 13:42:34 +00:00
.if (${DEFAULT_THREAD_LIB} == "libkse" || ${MK_LIBTHR} == "no") && \
Always install libpthread.* symlinks if at least one of the threading libraries is built. This simplifies the logic in makefiles that need to check if the pthreads support is present. It also fixes a bug where we would build a threading library that we shouldn't have built: for example, building with WITHOUT_LIBTHR and the default value of DEFAULT_THREADING_LIB (libthr) would mistakenly build the libthr library, but not install it. Approved by: re (kensmith)
2007-10-01 18:22:32 +00:00
${SHLIBDIR} == "/usr/lib"
Allow DEFAULT_THREAD_LIB to be set from /etc/src.conf. Submitted by: ru
2007-05-17 04:54:35 +00:00
SHLIBDIR= /lib
.endif
Enable symbol versioning by default. Use WITHOUT_SYMVER to disable it. Warning, after symbol versioning is enabled, going back is not easy (use WITHOUT_SYMVER at your own risk). Change the default thread library to libthr. There most likely still needs to be a version bump for at least the thread libraries. If necessary, this will happen later.
2007-05-13 14:12:40 +00:00
LIB=kse
For 7.0 make the shared lib "version" '3'. Approved by: re(kensmith)
2007-10-10 16:59:14 +00:00
SHLIB_MAJOR= 3
Revamp libpthread so that it has a chance of working in an SMP environment. This includes support for multiple KSEs and KSEGs. The ability to create more than 1 KSE via pthread_setconcurrency() is in the works as well as support for PTHREAD_SCOPE_SYSTEM threads. Those should come shortly. There are still some known issues which davidxu and I are working on, but it'll make it easier for us by committing what we have. This library now passes all of the ACE tests that libc_r passes with the exception of one. It also seems to work OK with KDE including konqueror, kwrite, etc. I haven't been able to get mozilla to run due to lack of java plugin, so I'd be interested to see how it works with that. Reviewed by: davidxu
2003-04-18 05:04:16 +00:00
CFLAGS+=-DPTHREAD_KERNEL
Make the changes needed for libpthread to compile in its new home. The new libpthread will provide POSIX threading support using KSE. These files were previously repo-copied from src/lib/libc_r. Reviewed by: deischen Approved by: -arch
2002-09-16 08:45:36 +00:00
CFLAGS+=-I${.CURDIR}/../libc/include -I${.CURDIR}/thread \
Sync SCM ID comments with libc.
2002-04-15 20:22:28 +00:00
-I${.CURDIR}/../../include
Revamp libpthread so that it has a chance of working in an SMP environment. This includes support for multiple KSEs and KSEGs. The ability to create more than 1 KSE via pthread_setconcurrency() is in the works as well as support for PTHREAD_SCOPE_SYSTEM threads. Those should come shortly. There are still some known issues which davidxu and I are working on, but it'll make it easier for us by committing what we have. This library now passes all of the ACE tests that libc_r passes with the exception of one. It also seems to work OK with KDE including konqueror, kwrite, etc. I haven't been able to get mozilla to run due to lack of java plugin, so I'd be interested to see how it works with that. Reviewed by: davidxu
2003-04-18 05:04:16 +00:00
CFLAGS+=-I${.CURDIR}/arch/${MACHINE_ARCH}/include
CFLAGS+=-I${.CURDIR}/sys
Attempt to eliminate PLT relocations from rwlock aquire/release path, making them suitable for direct use by the dynamic loader. Register libpthread-specific locking API with rtld on startup. This still has some rough edges with signals which should be addresses later. Approved by: re (scottl)
2003-05-30 00:21:52 +00:00
CFLAGS+=-I${.CURDIR}/../../libexec/rtld-elf
1. Add macro DTV_OFFSET to calculate dtv offset in tcb. 2. Export symbols needed by debugger.
2004-08-16 03:27:29 +00:00
CFLAGS+=-I${.CURDIR}/../../libexec/rtld-elf/${MACHINE_ARCH}
Attempt to eliminate PLT relocations from rwlock aquire/release path, making them suitable for direct use by the dynamic loader. Register libpthread-specific locking API with rtld on startup. This still has some rough edges with signals which should be addresses later. Approved by: re (scottl)
2003-05-30 00:21:52 +00:00
CFLAGS+=-fno-builtin
Add a commented out CFLAGS entry that can be uncommented to compile thread lock debug into libc_r. I don't know if this is the best place to document this, but at least it is recorded somewhere. 8-)
1998-06-09 23:25:13 +00:00
Repo copy libpthreads to libkse. This introduces the WITHOUT_LIBKSE nob, and changes WITHOUT_LIBPTHREADS to mean with neither threading libs. Approved by: re(kensmith)
2007-10-09 13:42:34 +00:00
# Uncomment this if you want libkse to contain debug information for
Add a commented out CFLAGS entry that can be uncommented to compile thread lock debug into libc_r. I don't know if this is the best place to document this, but at least it is recorded somewhere. 8-)
1998-06-09 23:25:13 +00:00
# thread locking.
Add an i386-specifc hack to always set %gs. There still seems to be instances where the kernel doesn't properly save and/or restore it. Use noupcall and nocompleted flags in the KSE mailbox. These require kernel changes to work which will be committed sometime later. Things still work without the changes. Remove the general kse entry function and use two different functions -- one for scope system threads and one for scope process threads. The scope system function is not yet enabled and we use the same function for all threads at the moment. Keep a copy of the KSE stack for the case that a KSE runs a scope system thread and uses the same stack as the thread (no upcalls are generated, so a separate stack isn't needed). This isn't enabled yet. Use a separate field for the KSE waiting flag. It isn't correct to use the mailbox flags field. The following fixes were provided by David Xu: o Initialize condition variable locks with thread versions of the low-level locking functions instead of the kse versions. o Enable threading before creating the first thread instead of after. o Don't enter critical regions when trying to malloc/free or call functions that malloc/free. o Take the scheduling lock when inheriting thread attributes. o Check the attribute's stack pointer instead of the attributes stack size for null when allocating a thread's stack. o Add a kseg reinit function so we don't have to destroy and then recreate the same lock. o Check the return value of kse_create() and return an appropriate error if it fails. o Don't forget to destroy a thread's locks when freeing it. o Examine the correct flags word for checking to see if a thread is in a synchronization queue. Things should now work on an SMP kernel.
2003-04-21 04:02:56 +00:00
CFLAGS+=-D_LOCK_DEBUG
Bring libpthread up to WARNS level 2. Reviewed by: deischen
2006-03-29 05:38:19 +00:00
WARNS?=2
Add an i386-specifc hack to always set %gs. There still seems to be instances where the kernel doesn't properly save and/or restore it. Use noupcall and nocompleted flags in the KSE mailbox. These require kernel changes to work which will be committed sometime later. Things still work without the changes. Remove the general kse entry function and use two different functions -- one for scope system threads and one for scope process threads. The scope system function is not yet enabled and we use the same function for all threads at the moment. Keep a copy of the KSE stack for the case that a KSE runs a scope system thread and uses the same stack as the thread (no upcalls are generated, so a separate stack isn't needed). This isn't enabled yet. Use a separate field for the KSE waiting flag. It isn't correct to use the mailbox flags field. The following fixes were provided by David Xu: o Initialize condition variable locks with thread versions of the low-level locking functions instead of the kse versions. o Enable threading before creating the first thread instead of after. o Don't enter critical regions when trying to malloc/free or call functions that malloc/free. o Take the scheduling lock when inheriting thread attributes. o Check the attribute's stack pointer instead of the attributes stack size for null when allocating a thread's stack. o Add a kseg reinit function so we don't have to destroy and then recreate the same lock. o Check the return value of kse_create() and return an appropriate error if it fails. o Don't forget to destroy a thread's locks when freeing it. o Examine the correct flags word for checking to see if a thread is in a synchronization queue. Things should now work on an SMP kernel.
2003-04-21 04:02:56 +00:00
o Eliminate upcall for PTHREAD_SYSTEM_SCOPE thread, now it is system bound thread and when it is blocked, no upcall is generated. o Add ability to libkse to allow it run in pure 1:1 threading mode, defining SYSTEM_SCOPE_ONLY in Makefile can turn on this option. o Eliminate code for installing dummy signal handler for sigwait call. o Add hash table to find thread. Reviewed by: deischen
2003-07-17 23:02:30 +00:00
# Uncomment this if you want to build a 1:1 threading mode library
# however it is no longer strictly conformed to POSIX
# CFLAGS+=-DSYSTEM_SCOPE_ONLY
Suuply the name of the version map and let bsd.lib.mk supply the link arguments.
2006-03-16 15:17:47 +00:00
# Enable extra internal consistancy checks.
Revamp libpthread so that it has a chance of working in an SMP environment. This includes support for multiple KSEs and KSEGs. The ability to create more than 1 KSE via pthread_setconcurrency() is in the works as well as support for PTHREAD_SCOPE_SYSTEM threads. Those should come shortly. There are still some known issues which davidxu and I are working on, but it'll make it easier for us by committing what we have. This library now passes all of the ACE tests that libc_r passes with the exception of one. It also seems to work OK with KDE including konqueror, kwrite, etc. I haven't been able to get mozilla to run due to lack of java plugin, so I'd be interested to see how it works with that. Reviewed by: davidxu
2003-04-18 05:04:16 +00:00
CFLAGS+=-D_PTHREADS_INVARIANTS -Wall
Suuply the name of the version map and let bsd.lib.mk supply the link arguments.
2006-03-16 15:17:47 +00:00
Repo copy libpthreads to libkse. This introduces the WITHOUT_LIBKSE nob, and changes WITHOUT_LIBPTHREADS to mean with neither threading libs. Approved by: re(kensmith)
2007-10-09 13:42:34 +00:00
VERSION_MAP=${.CURDIR}/kse.map
Suuply the name of the version map and let bsd.lib.mk supply the link arguments.
2006-03-16 15:17:47 +00:00
For variables that are only checked with defined(), don't provide any fake value.
2004-10-24 15:33:08 +00:00
PRECIOUSLIB=
Reviewed by: julian Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete
1996-01-22 00:23:58 +00:00
Move the machine specific files from sys/Makefile.inc and put them in a machine specific makefile. While here, sort the sub-directories in Makefile and remove _atomic_lock.S from all makefiles.
2003-06-23 04:28:31 +00:00
.include "${.CURDIR}/arch/${MACHINE_ARCH}/Makefile.inc"
Attempt to eliminate PLT relocations from rwlock aquire/release path, making them suitable for direct use by the dynamic loader. Register libpthread-specific locking API with rtld on startup. This still has some rough edges with signals which should be addresses later. Approved by: re (scottl)
2003-05-30 00:21:52 +00:00
.include "${.CURDIR}/support/Makefile.inc"
Move the machine specific files from sys/Makefile.inc and put them in a machine specific makefile. While here, sort the sub-directories in Makefile and remove _atomic_lock.S from all makefiles.
2003-06-23 04:28:31 +00:00
.include "${.CURDIR}/sys/Makefile.inc"
.include "${.CURDIR}/thread/Makefile.inc"
Reviewed by: julian Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete
1996-01-22 00:23:58 +00:00
Repo copy libpthreads to libkse. This introduces the WITHOUT_LIBKSE nob, and changes WITHOUT_LIBPTHREADS to mean with neither threading libs. Approved by: re(kensmith)
2007-10-09 13:42:34 +00:00
.if ${DEFAULT_THREAD_LIB} == "libkse" || ${MK_LIBTHR} == "no"
Enable symbol versioning by default. Use WITHOUT_SYMVER to disable it. Warning, after symbol versioning is enabled, going back is not easy (use WITHOUT_SYMVER at your own risk). Change the default thread library to libthr. There most likely still needs to be a version bump for at least the thread libraries. If necessary, this will happen later.
2007-05-13 14:12:40 +00:00
SYMLINKS+=lib${LIB}.a ${LIBDIR}/libpthread.a
.if !defined(NO_PIC)
SYMLINKS+=lib${LIB}.so ${LIBDIR}/libpthread.so
.endif
.if ${MK_PROFILE} != "no"
SYMLINKS+=lib${LIB}_p.a ${LIBDIR}/libpthread_p.a
.endif
.endif
Reviewed by: julian Submitted by: john birrel One version of the pthreads library another will follow with differnt actions under some cases.. not QUITE complete
1996-01-22 00:23:58 +00:00
.include <bsd.lib.mk>
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