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The bug: this blocks in syslogd is stopped:
#include <syslog.h>
int main() {
int i;
for (i = 0; i < 10000; i++)
syslog(LOG_INFO, "Testing, disregard....................");
return 0;
}
Fix: set O_NONBLOCK on fd to "/dev/log".
Other fixes: do not try to write to fd -1, do not spin forever or EAGAIN,
use constant sockaddr instead of recreating identical one each time,
eliminate one intermediate function (SUGPIPE sig handler),
use smallints where appropriate, add a few comments.
Size:
text data bss dec hex filename
- 1140 16 21 1177 499 libc/misc/syslog/syslog.o
+ 1123 13 2 1138 472 libc/misc/syslog/syslog.o
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like
o UCLIBC_HAS_GNU_ERROR
o UCLIBC_HAS_BSD_ERR
o UCLIBC_HAS_PTY
o UCLIBC_HAS_GETPT (1)
o UCLIBC_SYSCALL_STUBS
o UCLIBC_SYSCALL_STUB_WARNING
o UCLIBC_LINUX_SPECIFIC (2)
o UCLIBC_BSD_SPECIFIC (3)
o UCLIBC_NTP_LEGACY (4)
o UCLIBC_SV4_DEPRECATED (5)
o UCLIBC_HAVE_REALTIME (6)
o UCLIBC_HAVE_ADVANCED_REALTIME (7)
o UCLIBC_HAVE_EPOLL (8)
o UCLIBC_HAVE_XATTR (9)
o UCLIBC_HAVE_PROFILING (10)
(1) make non-standard getpt optional and implement standard posix_openpt
(2) fstatfs(), inotify_*(), ioperm(), iopl(), madvise(), modify_ldt(),
personality()
ppoll(), setresuid()
(3) mincore(), getdomainname(), setdomainname()
(4) ntp_adjtime(), ntp_gettime() aliases
(5) ustat() [use statfs(2) in your code instead]
(6) All marked as "(REALTIME)" in SUSv3
(7) All marked as "(ADVANCED REALTIME)" in SUSv3
(8) epoll_create(), epoll_ctl(), epoll_wait()
(9) all Extended Attributes
(10) helpers for gcc's -finstrument-functions
- Fixes _dl_exit()
- Implements sleep(3) for !UCLIBC_HAVE_REALTIME
- Implements usleep(3) for !UCLIBC_HAVE_REALTIME
- adds #warning about incorrect posix_fadvise{,64}()
- removes unused and unwanted uselib()
Net outcome is that an allnoconfig with HAVE_SHARED is now about 88k instead
of formerly 130k.
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and it's slightly shorter.
Also removes stray macros from public <printf.h> header
and uses spaces for comment indentation.
No code changes (verified with objdump).
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(int/enum). clases bug 3234.
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(verified with objdump)
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Code size is not changed on i386.
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IPv6 DNS resolv. rfc4159 mandated this 3 years ago. Closes bug 1020.
Also cleans up some stype inconsistensied and saves 2 bytes of rw data.
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even if arch overrides smallint size. Makes it easier to spot bugs
on such arches.
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by adding include <wchar.h> in strcasecmp.c
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remove a few duplicate includes of unistd.h
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libc when one of the source files changes.
Since there are more places which want to depend on $(libc), fix them all to
use a new variable $(libc.depend), which contains the filename for which we
have a rule.
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build the former.
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sources separately for now.
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For -combine, make sure that we don't pollute our non-varargs mremap decl
with some vararg decl from later in the TU by putting ours after anybody
else who is picking up mman.h.
This is admittedly a small work-around..
smallish testcase:
$ cat bug.h
extern void *mremap (void*, unsigned, unsigned, int, ...);
$ cat bug1.c
#include "bug.h"
int whatever;
$ cat bug2.c
#define mremap _hidemremap
#include "bug.h"
#undef mremap
void *mremap (void*, unsigned, unsigned, int, void*);
$ gcc -c bug1.c bug2.c
$ gcc -c bug1.c bug2.c -combine
bug2.c:4: error: conflicting types for ‘mremap’
bug.h:1: error: previous declaration of ‘mremap’ was here
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text data bss dec hex filename
1176 16 24 1216 4c0 libc/misc/syslog/syslog.o.orig
1140 16 21 1177 499 libc/misc/syslog/syslog.o
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Add the necessary prototypes and definitions for splice(), vmsplice()
and tee() to work. Without this, they won't even compile.
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by adding <unistd.h> header file.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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- 288016 1924 7176 297116 4889c libuClibc-0.9.29.so
+ 287956 1924 7168 297048 48858 libuClibc-0.9.29.so
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is indeed a char device with correct (maj,min).
(If it's not such a char device, the system is screwed anyway,
nothing can be done about it...)
text data bss dec hex filename
- 715 4 21 740 2e4 libc/misc/internals/__uClibc_main.o
+ 644 4 21 669 29d libc/misc/internals/__uClibc_main.o
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were removed in linux-2.6
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This could need a pull from upstream to do away with these __STDC__ conditionals.
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Reorder structure members and change some of them into smallints
to reduce bss and text:
text data bss dec hex filename
- 2403 12 40 2455 997 libc/unistd/getopt.o
+ 2252 12 0 2264 8d8 libc/unistd/getopt.o
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- 79 0 28 107 6b libc/inet/rpc/create_xid.o
+ 76 0 25 101 65 libc/inet/rpc/create_xid.o
- 126 0 4 130 82 libc/misc/assert/__assert.o
+ 123 0 1 124 7c libc/misc/assert/__assert.o
- 648 4 24 676 2a4 libc/misc/internals/__uClibc_main.o
+ 645 4 21 670 29e libc/misc/internals/__uClibc_main.o
- 230 0 4 234 ea libc/stdlib/abort.o
+ 216 0 1 217 d9 libc/stdlib/abort.o
- 129 0 4 133 85 libc/termios/tcgetsid.o
+ 126 0 1 127 7f libc/termios/tcgetsid.o
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in string.h and strings.h. This caught unguarded string ops in
libc/inet/ethers.c __ether_line_w() function.
I will wait for fallout reports for a week or so,
then continue converting more libc_hidden_proto's.
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* extra/locale/gen_wc8bit.c: use strrchr to parse locale
name to handle the case in which it contains a '.' character
like ANSI_X3.4-1968
* include/locale.h: use __UCLIBC_HAS_XLOCALE__ to control
inclusion of xlocale.h only
* libc/misc/ctype/ctype.c: add missing weak_alias for
__tolower_l and __toupper_l
* libc/misc/locale/locale.c: use strcasecmp (case insensitive)
for utf-8 locale name.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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- synch F_LINUX_SPECIFIC_BASE related fcntls for all arches
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