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Commit 251a3c19cb "sleep: employ __USE_EXTERN_INLINES (with necessary fixes)"
introduces following problems:
1. __USE_EXTERN_INLINES forcibly enabled build fails
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LD libuClibc-1.0.15.so
libc/libc_so.a(cmsg_nxthdr.os): In function `__GI___cmsg_nxthdr':
cmsg_nxthdr.c:(.text.__GI___cmsg_nxthdr+0x0): multiple definition of `__GI___cmsg_nxthdr'
libc/libc_so.a(close.os):close.c:(.text.__GI___cmsg_nxthdr+0x0): first defined here
libc/libc_so.a(creat.os): In function `__GI___cmsg_nxthdr':
creat.c:(.text.__GI___cmsg_nxthdr+0x0): multiple definition of `__GI___cmsg_nxthdr'
libc/libc_so.a(close.os):close.c:(.text.__GI___cmsg_nxthdr+0x0): first defined here
...
2. libuargp wrongly contains __cmsg_nxthdr/__sigismember/__sigdelset/__sigaddset
global symbols on platforms which includes signal.h from sys/procfs.h
As result, static linking will fail:
TEST_LINK argp/ bug-argp1
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libc.a(sigsetops.os):
In function `__GI___sigismember':
sigsetops.c:(.text+0x0): multiple definition of `__sigismember'
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libuargp.a(argp-xinl.os):argp-xinl.c:(.text+0x0):
first defined here
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libc.a(sigsetops.os):
In function `__GI___sigaddset':
sigsetops.c:(.text+0x28): multiple definition of `__sigaddset'
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libuargp.a(argp-xinl.os):argp-xinl.c:(.text+0x28):
first defined here
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libc.a(sigsetops.os):
In function `__GI___sigdelset':
sigsetops.c:(.text+0x4c): multiple definition of `__sigdelset'
/home/wbx/ppc-static/target_qemu-ppc-macppc_uclibc-ng_hard/usr/lib/libuargp.a(argp-xinl.os):argp-xinl.c:(.text+0x4c):
first defined here
We have to partially revert 251a3c19cb to fix problems above. It is
safe to do this after commit
162cfaea20 *: inline constant __sig{add,del}set and __sigismember
since we are able to use new inlines from within libc and leave the
rest of world(__USE_EXTERN_INLINES) equal to glibc now.
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
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Linuxthreads.new isn't really useful with the existence
of NPTL/TLS for well supported architectures. There is no
reason to use LT.new for ARM/MIPS or other architectures
supporting NPTL/TLS. It is not available for noMMU architectures
like Blackfin or FR-V. To simplify the live of the few uClibc-ng
developers, LT.new is removed and LT.old is renamed to LT.
LINUXTHREADS_OLD -> UCLIBC_HAS_LINUXTHREADS
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This reverts commit ea21c7610aa1131b37a4533cf13dd89f727fb83f.
This was accidently pushed, before first coffee.
Sorry this is a bad commit.
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error out on internal NPTL used signals.
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Only the stub warnings left for now.
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include/bits/sigset.h:219:62: warning: right-hand operand of comma expression has no effect [-Wunused-value]
include/bits/sigset.h:210:63: warning: right-hand operand of comma expression has no effect [-Wunused-value]
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This matches a similar change made to glibc.
No functional changes here.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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based on a patch from Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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rcmd.c uses sigblock and sigsetmask, make the function static and include them directly until
a rewrite is done.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Do not export __sigpause.
Provide __bsd_sigpause (unprototyped) if anyone may need it.
Adapt cancellation to use cancel.h.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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sigtimedwait:
- provide __sigtimedwait_nocancel
- use __SYSCALL_SIGSET_T_SIZE instead of _NSIG / 8
- do not provide __sigtimedwait
- guard a section to avoid failure on archs if SI_TKILL/SI_USER are not defined
sigwaitinfo:
- simply use sigtimedwait since that handles cancellation already
sigwait:
- use non-cancellable functions (sigtimedwait, sigsuspend)
- get rid of code already done in __sigtimedwait_nocancel
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Use __sigemptyset instead of sigemptyset.
Remove hidden sigemptyset.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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might be good for LT old as well
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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use __sigwaitinfo in sigwait.c, since that is already hidden
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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it is already included by features.h
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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A couple of sig functions are obsolete in SUSv4.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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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>
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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>
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text data bss dec hex filename
- 318 4 0 322 142 libc/pwd_grp/lckpwdf.o
+ 312 4 0 316 13c libc/pwd_grp/lckpwdf.o
- 166 0 1 167 a7 libc/stdlib/abort.o
+ 157 0 1 158 9e libc/stdlib/abort.o
- 42 0 0 42 2a libc/sysdeps/linux/common/pause.o
+ 27 0 0 27 1b libc/sysdeps/linux/common/pause.o
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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__USE_EXTERN_INLINES was unused and had bit-rotted, had to fix it
when it didn't work as intended at first.
text data bss dec hex filename
- 168 0 0 168 a8 libc/unistd/sleep.o
+ 146 0 0 146 92 libc/unistd/sleep.o
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Conflicts:
Makefile.in
extra/Configs/Config.in
libc/sysdeps/linux/common/bits/kernel-features.h
libc/sysdeps/linux/common/poll.c
libc/sysdeps/linux/common/sysdep.h
libc/sysdeps/linux/sh/sysdep.h
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Conflicts:
libc/stdlib/Makefile.in
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
(cherry picked from commit df9130a0dc1c9e3553fcfee68bb8a809e4f4a458)
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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It is already include from the internal header sigset-cvt-mask.h
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Silence compiler warning by adding the missing string.h header
to include memset prototype.
Do some code tidy-up removing commented out libc_hidden_proto macros
in the meanwhile.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Silence compiler warning by adding the missing string.h header
to include memset prototype.
Do some code tidy-up removing commented out libc_hidden_proto macros
in the meanwhile.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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This avoids a warnings about implicit declaration of function 'memset'.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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sigwait is not called from any uclibc function, so "hidden symbol"
trick is not needed on it. __sigwait also is never used,
and it's not clear why it even existed.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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It is not used by anybody, otherwise users of dynamically linked uclibc
would notice - it is not exported from libuClibc-x.x.x.so
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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sed -i -e '/Experimentally off - /d' $(grep -rl "Experimentally off - " *)
sed -i -e '/^\/\*[[:space:]]*libc_hidden_proto(/d' $(grep -rl "libc_hidden_proto" *)
should be a nop
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Handle O=
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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- SUSv4_LEGACY part #1 (non-networking)
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Run tested on i386.
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