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2017-07-28nptl: remove asm from sysdep-cancel.hWaldemar Brodkorb
Similar to a changeset planned in GNU C library remove any assembly code from sysdep-cancel.h. This allows to port to new architectures in a simpler way.
2017-01-28remove PID cachingWaldemar Brodkorb
Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e and remove the PID caching. These simplifies the architecture specific assembly code. The run of the test suite found no regressions, it even solves some of the test failures for x86/x86_64/sparc. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com> Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com> Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
2016-09-26use a single libc and deduplicate threading codeWaldemar Brodkorb
Similar to musl libc a single libc has many benefits and solves some open issues with uClibc-ng. - no pthread_mutex_* weak symbols exported anymore - applications no longer failing to link when either -lrt or -lpthread are missing for dynamic and static linking mode - smaller C library - slightly better runtime performance
2016-07-10x86_64: use C implementation for pthread_cond_wait/pthread_cond_timedwaitWaldemar Brodkorb
Add test case for the deadlock detection. Reported-By: Martin Willi <martin@strongswan.org>
2015-07-22fix static builds of pthread apps for x86/x86_64Waldemar Brodkorb
Found via buildroot autobuilder.
2014-09-20nptl: remove duplicate vfork() in libpthreadWaldemar Brodkorb
Automatic patching via two oneliners by Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>: sed -i -e 's/[[:space:]]pt-vfork\.[csS]//' -e '/^ASFLAGS-pt-vfork\./d' $(git grep -l pt-vfork libpthread/nptl/sysdeps) find libpthread/nptl -name "*pt-vfork*" -exec git rm {} \; Reported-By: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
2014-09-16buildsys: remove now redundant lib placement definesBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-09-16buildsys: fix IS_IN_lib*Bernhard Reutner-Fischer
define NOT_IN_libc / IS_IN_libxxx appropriately to fix pthread_once Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-11-18Replace FSF snail mail address with URLsMike Frysinger
This matches a similar change made to glibc. No functional changes here. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-11lll: avoid shadow warningsBernhard Reutner-Fischer
use __ret uniformly to avoid shadow warnings as seen on x86_64. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-03-08nptl: fix compilation on x86_64William Pitcock
This commit gives us a fully functioning NPTL on x86-64 by using the GOTOFF macro as needed. Signed-off-by: William Pitcock <nenolod@dereferenced.org> Signed-off-by: Khem Raj <raj.khem@gmail.com>
2010-11-11ntpl: fix static linking by not leaking SSP_ALL_CFLAGSNatanael Copa
The SSP_ALL_CFLAGS in nptl arch CFLAGS leaks out and forces things like dl-support.c, brk.c, sbrk.c memcpy, etc to be built with -fstack-protector-all. This is bad when linking statically since initializing TLS will call those functions before SSP is initialized. The libpthread itself will still be built with -fstack-protector-all due to CFLAGS-nptl has SSP_ALL_CFLAGS in libpthread/nptl/Makefile.in Thanks to Timo Teras for helping with this. Signed-off-by: Natanael Copa <natanael.copa@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-07-14nptl: remove superfluous =1 from definesBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-07-06nptl: fix buildsysBernhard Reutner-Fischer
Now automatically picks the correct (arch and subarch specific) impls in favour of generic impls. make O=/tmp/objs PREFIX=/my/sysroot -j works now as expected (both out-of-tree as well as parallel-safe). Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-06-24use uniform form of C99 keywordsBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-05-03nptl: use arch-specific pthread_cond_timedwait and pthread_cond_wait on x86_64Roman I Khimov
Generic ones were broken on x86_64, pthread/ex2 test failed while pthread/ex5 worked fine. So use arch-specific functions and fix linkage failure with __pthread_mutex_cond_lock_adjust. Signed-off-by: Roman I Khimov <khimov@altell.ru> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-05-03nptl: use arch-specific cancellation routines for x86_64Roman I Khimov
They were present in sources, but not compiled in. Generic routines are broken badly on x86_64, even basic threading test like pthread/ex1 didn't work with them. Signed-off-by: Roman I Khimov <khimov@altell.ru> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-04-25nptl: Harmonize objects and headers makefile clean targetsCarmelo Amoroso
Update all the nptl clean targets (both objects and headers) to use the new syntax using CLEAN_<full_path> and HEADER_<full_path>. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2010-04-16nptl: mark forwarded functions protectedTimo Teras
The libc stubs should never override the libpthread provided functions inside libpthread, otherwise the struct pthread_functions that is used by the forwarder stubs goes bad. Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-04-16Revert "nptl: mark symbols with libc forwarder hidden"Timo Teras
This reverts most of commit 1610762362e651f86ca284ac59a1d7ec88034e4e. Marking the symbols hidden is wrong, because libc accesses the pthreads internal symbols for internal locking. Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-04-14nptl: mark symbols with libc forwarder hiddenTimo Teräs
Add attribute_hidden to all symbols having libc forwarder. This prevents recursive self calls which would happen if libc is before libpthread in linking order: the forwarder functions would call itself via the function table, since the libpthread symbols would get overwritten with libc ones. This has not been a problem in glibc since there these symbols are marked hidden with linker version-script. Since we don't use one, we need to mark these explicitly. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-19Get x86_64 compile to succeed.Khem Raj
* The changes to clone.S needs testing Signed-off-by: Khem Raj <raj.khem@gmail.com>
2010-02-19x86_64: compile pthread it's own version of __syscall_errorAustin Foxley
also fix up clone.S from sync Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-19more fixes for x86_64 nptlAustin Foxley
also cleanup some PIC (should be __PIC__) that snuck in Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-19fixes to get nptl compiling for x86_64Austin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-18x86_64: unify sysdep.hAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-02-16mass sync with glibc nptlAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-12-16x86_64: fix up the rest of the includes and aliases for nptlAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-12-16x86_64: add missing includes to sem_*.SAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-12-16fix multiple definitions of pthread_once for x86_64Austin Foxley
also add a missing weak for clone Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-12-16build: Get rids of PIC macro using compiler flag __PIC__ insteadCarmelo Amoroso
Based on Peter Mazinger's comments on a recent commit, I decided to get rids of all occurrences of PIC changing them to __PIC__ Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2009-12-11get x86_64 nptl buildingAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-12-09nptl: fix old style function declerationsAustin Foxley
also fix a few shadowed local warnings Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-10-17whitespace fixesAustin Foxley
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-10-17libpthread/nptl: core of the "Native Posix Threading Library" for uClibcAustin Foxley
targetting arm,sh,i386,mips,sparc for now Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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