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* resolv: fix resolver to return TRY_AGAIN on timeoutTimo Teräs2011-12-231-46/+49
| | | | | | | | | | | | | | | | | | | | | This fixes the internal __dns_lookup to get a h_errno pointer so it works nicely with the _r variants. Additionally the function is modified to permanent error if the static buffer lengths are not enough. And finally it fixed to return TRY_AGAIN if the nameservers timeout. res_search is fixed to continue searching if we receive TRY_AGAIN. It could be a problem with the specific search domain's server and not necessarily a problem in the recursive resolver we are querying. For same reason, it does not make sense to differentiate timeout or SERVFAIL error reply. The biggest issue this fixes is that we now properly set h_errno to TRY_AGAIN if upstream nameserver(s) timed out. Previously we would have returned NETDB_INTERNAL. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
* resolv: fix memory leakBernhard Reutner-Fischer2011-12-231-0/+2
| | | | | | | | | Timothy Holdener writes: small memory leak in __dns_lookup() when the A record in the DNS answer is preceded by one or more CNAME records. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> (cherry picked from commit bb8d500a75a3050fe3198773ce7b07f669fe8f13)
* resolv: res_query for CNAMEsTimo Teräs2011-12-231-5/+3
| | | | | | | | | | | | | From: http://lists.busybox.net/pipermail/uclibc/2009-June/042583.html I had postfix failing for domains with MX->CNAME->A chain. In glibc it works. I tracked it to be a problem in uclibc res_query. It returns bogus data for CNAME entries, apparently intentionally, which is wrong. glibc return CNAME entries even for CNAME queries and most applications rely on this. So we should do the same in uclibc. Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
* Compatible stack protector for non Thread Local storageNatanael Copa2011-12-232-13/+2
| | | | | | | Before we had thread local storage the __stack_chk_guard was a global variable that was referenced to by the older binaries. We since then have changed ABI so this patch can probably go away.
* branch 0.9.32v0.9.32Bernhard Reutner-Fischer2011-06-081-1/+1
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* buildsys: fix pregen target (!NPTL with LOCALE)Carmelo Amoroso2011-05-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When NPTL is not enabled, and LOCALE support is used, compilation fails with the following error: ------------------------------------------------------------------------- MKDIR include/bits GEN include/bits/sysnum.h make[1]: *** No rule to make target `../..//include/bits/uClibc_ctype.h', needed by `../../extra/locale/gen_wc8bit.c'. Stop. make: *** [pregen] Error 2 ------------------------------------------------------------------------- The problem is that "headers" is not listed as prerequisite of pregen. These have been changed multiple times recently: o Austin: order headers before pregen-headers 1f5c73c9f8a98b1d2a35cea868a585c97ab0e436 o Khem: pregen: Fix the parallel build problem in pregen target 046035ecde92262d96eff2192ba3cda716f04909 o Khem: pregen-headers: Add new target which depends on headers. ef18cfe8ebab25f5ef92e81956f50e2dc57df602 o Carmelo: build: Fix infinite loop when no threading support is enabled ff5e4de7088fe8d34812c2a1e604bf04be713606 In all of these commits headers was actually as prerequisite In commit 9381d622e2411a35a5fd73a5a573eb269e2dd9c9 [nptl: fix buildsys] by Bernhard, headers was removed, causing the problem reported above. Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* libubacktrace: Fix ASNEEDED emissionBernhard Reutner-Fischer2011-05-311-1/+1
| | | | | | | In master the variable is called SHARED_LIBNAME and not SHARED_MAJORNAME. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* NPTL: Fix CTOR_DTORBernhard Reutner-Fischer2011-05-315-35/+32
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libc: make common longjmp usable with NPTLFilippo Arcidiacono2011-05-271-2/+2
| | | | | | | | Call _longjmp_unwind conditionally under NPTL config option, making longjmp usable with NPTL. Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* sh: use the common implementation for longjmpFilippo Arcidiacono2011-05-273-62/+2
| | | | | Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* sh: fix build in !NPTL caseFilippo Arcidiacono2011-05-272-1/+5
| | | | | | | | | Fix build issue due to missing symbols in !NPTL case: - vfork - _longjmp_unwind Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* Correct a bug when remapping textrel segments on nommuAlan Davis2011-05-271-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Alan Davis <adavis@ti.com> On C6X, when trying to execute a program that has a textrel DSO, it fails to load. The telltale line in the LD_DEBUG output is: _dl_get_ready_to_run:779: file=''; needed by './a.out' The corresponding DT_NEEDED entry has 'libc.so.0', but here the filename is empty. This is what is happening in _dl_elf_shared_library(): First, map all segments according to their permissions. Text gets initially mapped read-only. Then, parse the dynamic information. The dynamic table is in RW but some of the tags may point to RO. For example, DT_NEEDED points to a string in .dynstr which is in RO. These pointers get computed according to the loadmap from the original mapping. Then, in response to a DT_TEXTREL tag, the RO segment gets remapped, thereby invaliding anything that points to it, in particular certain dynamic tags such as DT_NEEDED. The following patch re-parses the dynamic info after the remapping so as to re-compute any invalid pointers. Signed-off-by: Alan Davis <adavis@ti.com> Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
* unwind.h: Move to libc/sysdeps from nptl sysdepsKhem Raj2011-05-132-0/+0
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* epoll: redo cancellation to match masterBernhard Reutner-Fischer2011-05-131-15/+32
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* epoll.c: add cancellation to epoll_[p]wait()Peter S. Mazinger2011-05-132-4/+34
| | | | | | | While there, fix epoll_pwait syscall, it takes 6 arguments Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libm: fix building out-of-treeBernhard Reutner-Fischer2011-05-121-1/+1
| | | | | | Thanks to Thierry Reding for noticing! Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* wordexp: fix mishandled return value of pipe callBernhard Reutner-Fischer2011-05-121-7/+18
| | | | | | and use pipe2 if available while at it. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* linux_specific: handle accept4 and pipe2Bernhard Reutner-Fischer2011-05-124-4/+4
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* NPTL: needs madvise internallyBernhard Reutner-Fischer2011-05-121-4/+3
| | | | | | | This fixes 8d09a50a044638fde2ed3e1a1c4d3c7c5a3cce5c since NPTL also uses madvise internally. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* socket: fix stubsBernhard Reutner-Fischer2011-05-121-19/+19
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* commentary typo fixBernhard Reutner-Fischer2011-05-113-3/+3
| | | | | | s/decriptor/descriptor/ Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* epoll: unify epoll.hBernhard Reutner-Fischer2011-05-112-146/+24
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* commentary typo fixBernhard Reutner-Fischer2011-05-117-10/+10
| | | | | | use cancellation (with two 'l') uniformly. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* Implement epoll_create1 and epoll_pwait system calls.Thierry Reding2011-05-113-5/+87
| | | | | | | Note: TODO: This lacks cancellation support. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* buildsys: document UCLIBC_EXTRA_CPPFLAGSBernhard Reutner-Fischer2011-05-112-2/+3
| | | | | Rename EXTRA_CPPFLAGS to UCLIBC_EXTRA_CPPFLAGS and make them override previous flags (by appending - not prepending - them to the other flags).
* lll: avoid shadow warningsBernhard Reutner-Fischer2011-05-113-80/+80
| | | | | | use __ret uniformly to avoid shadow warnings as seen on x86_64. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* x86_64: add TODO for R_X86_64_RELATIVEBernhard Reutner-Fischer2011-05-111-0/+3
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libubacktrace: mv unwind.h to includeBernhard Reutner-Fischer2011-05-111-0/+0
| | | | | | | Fixes compilation if NPTL is off. I hope this doesn't break ARM EABI but cannot check ATM. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* Revert "libubacktrace: fix config-symbol handling"Bernhard Reutner-Fischer2011-05-111-1/+1
| | | | | | This reverts commit 7a080cd149c7b25d415d76506510d55b34819fc2. This symbol is in fact different (as it is set no 'n').
* add pipe2()Bernhard Reutner-Fischer2011-05-116-2/+48
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* socketcalls: add stubsBernhard Reutner-Fischer2011-05-111-0/+94
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* accept4: Implement cancellationBernhard Reutner-Fischer2011-05-117-19/+77
| | | | | | | .. and add proper prototype, move it into it's own obj and other such cleanups. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* Implement accept4 system call.Thierry Reding2011-05-112-0/+19
| | | | | Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libubacktrace: fix config-symbol handlingBernhard Reutner-Fischer2011-05-111-1/+1
| | | | Config symbals that are not set are empty, not 'n'.
* buildsys: Turn on strict aliasing for everyoneBernhard Reutner-Fischer2011-05-111-5/+3
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* ldso: commentary typo fixBernhard Reutner-Fischer2011-05-101-1/+1
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* getcwd: Fix memory-leak in error pathBernhard Reutner-Fischer2011-05-101-1/+2
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* __uc_malloc: Fix memory-leak in error pathBernhard Reutner-Fischer2011-05-101-0/+1
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libdl: fix local symbol's address handling in dladdrFilippo Arcidiacono2011-05-102-2/+18
| | | | | | | | | | | Fix dladdr to correctly handle local function's address so backtrace_symbols print only the function address for these function, instead of showing the name of nearest one. Indeed the dladdr walk through the hash table to find the nearest symbol, that doesn't contain local symbols. Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* */crtn.S: Remove .size directive for _init and _finiBernhard Reutner-Fischer2011-05-1014-28/+0
| | | | | | | | | These are split across objects so setting size does not (and never did) work since the expression cannot be computed at assembly time. This avoids errors from recent (> 2.21) gas. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* posix_fadvise64: fix x86 implementationTimo Teräs2011-05-071-1/+3
| | | | | | | | | | | | | Commit 73d59554144f429b1cf0d4d7fa7de42bdf59ad92 completely broke the x86 implementation of posix_fadvise64. It moved the first the assembly code retn instruction gets missing depending on the Technically the file has two implementaions for posix_fadvise64, one when __NR_fadvise64_64 is available, and second one if only __NR_fadvise64 is there. Fix the #ifdef's to be proper for that. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Khem Raj <raj.khem@gmail.com>
* i386: fix .size of _init/_finiBernhard Reutner-Fischer2011-05-051-2/+2
| | | | | | | binutils-2.21 barf on .size that do not evaluate to const, so use the section size and not a function that is not visible here. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* x86_64: fix .size of _init/_finiBernhard Reutner-Fischer2011-05-051-2/+2
| | | | | | | binutils-2.21 barf on .size that do not evaluate to const, so use the section size and not a function that is not visible here. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* Revert "*/crt?.S: remove .size directives"Bernhard Reutner-Fischer2011-05-0524-0/+39
| | | | | | Removing them generally was not a good idea This reverts commit 233c504cd940d9802226b6a3a092368b86978f5e.
* */crt?.S: remove .size directivesBernhard Reutner-Fischer2011-05-0424-39/+0
| | | | | | sed -i -e '/\.size[[:space:]]/d' $(grep -l "\.size" libc/sysdeps/linux/*/crt*.[sSc]) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* libubacktrace: fix backtrace support on arm-eabi, which needs libgcc_eh ↵Henning Heinold2011-05-041-0/+4
| | | | | | | linked too Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
* getaddrinfo.c: fix incorrect check for ERANGE from gethostbyaddr_rDenys Vlasenko2011-05-031-2/+2
| | | | | | | Also, freeaddrinfo(NULL) is ok, no need to check parameted for NULL before calling it. Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* getaddrinfo.c: improve code readability. No functional changesDenys Vlasenko2011-05-031-26/+30
| | | | Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
* string: remove unused variableBernhard Reutner-Fischer2011-05-031-3/+1
| | | | Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
* x86_64: silence warning if !TLSBernhard Reutner-Fischer2011-05-031-1/+7
| | | | | | TODO: fix all other arches Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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