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2016-10-13cleanup and fix static linking issuesWaldemar Brodkorb
There was a deadlock hanging in a sycall to futex, which should be solved now. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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
2016-09-26always assume tgkill is presentWaldemar Brodkorb
We do not support 2.4 Linux kernels anyway, and almost all newer 2.6 kernels should have tgkill syscall. Cleanup the raise situation, pt-raise.c is unused, sync raise.c with latest GNU libc. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2016-09-26remove dead code and documentationWaldemar Brodkorb
The code was disabled a while ago in commit: 814b0901f460a246315bfa7933a661f415bdc7fa Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-04-13buildsys: tweak ucontext_i.h prerequisitesBernhard Reutner-Fischer
ucontext_i.h too depends on uClibc_config.h. Update it to look like the other MANGLE generated files and tweak prereqs Fixes: make realclean ; make -j libc/misc/internals/__uClibc_main.i Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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>
2014-09-16nptl: rephrase *.sym handlingBernhard Reutner-Fischer
Avoids circular dependency warning from make by generating the .h directly from the .sym files, elimination intermediate files. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-01-10libc: add {get,set,swap,make}context user context manipulation functionsFlorian Fainelli
Add the obsolescent SUSv3 family of user context manipulating functions for arm, i386, mips, x86_64. Signed-off-by: Timon ter Braak <timonterbraak@gmail.com> Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-06-15enable the common code for NPTLPeter S. Mazinger
the generic open, close, waitpid, read, write are good for NPTL too no good reason to have the same sleep in both libc and libpthread (NPTL) no good reason to add sigwaitinfo, sigtimedwait and sigwait to libpthread (NPTL) Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-06-15Makefile.commonarch: use proper CFLAGS for jmp-unwind.cPeter S. Mazinger
Filter out libpthread CFLAGS Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-01-15libc: build abort with unwind-info for backtraceBernhard Reutner-Fischer
If backtrace support is turned on, build raise() and abort() with unwind info (fixup 4c9b7f3c21ff21c199e54bfad2fdf3445fa4573d). Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2012-01-13libc: allow to backtrace out of abort callCarmelo Amoroso
Build raise and abort function with dwarf2 info by using -fasynchronous-unwind-tables to make backtrace() working across a call to abort. A scenario where it could be useful is within a signal handler that wants to dump a backtrace when catching some signal (i.e SIGABRT). Without having abort & raise built with DWARF2 information, it is not possible for the libgcc stack unwinder to walk through the call stack out of the abort/raise function. Impacts in terms of size are really limited Current text data bss dec hex filename 164 0 0 164 a4 ./libpthread/nptl/sysdeps/unix/sysv/linux/raise.os 164 0 0 164 a4 ./libpthread/nptl/sysdeps/unix/sysv/linux/raise.oS 220 24 4 248 f8 ./libc/stdlib/abort.os With (-fasynchronous-unwind-tables) text data bss dec hex filename 216 0 0 216 d8 ./libpthread/nptl/sysdeps/unix/sysv/linux/raise.os 216 0 0 216 d8 ./libpthread/nptl/sysdeps/unix/sysv/linux/raise.oS 280 24 4 308 134 ./libc/stdlib/abort.os Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Acked-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-11-17misc: hide __gen_tempnameBernhard Reutner-Fischer
fix signed vs. unsigned comparison warnings while at it 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>
2010-07-06nptl: fix subdirs handlingBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-07-06nptl: simplify buildsysBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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