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4ef9b828c1f39553a69e0635ac91f0fcadd6e8c6
semi-libc/src/stdio
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Rich Felker 4ef9b828c1 remove cancellation points in stdio 
commit 5816592389 added these optional
cancellation points on the basis that cancellable stdio could be
useful, to unblock threads stuck on stdio operations that will never
complete. however, the only way to ensure that cancellation can
achieve this is to violate the rules for side effects when
cancellation is acted upon, discarding knowledge of any partial data
transfer already completed. our implementation exhibited this behavior
and was thus non-conforming.

in addition to improving correctness, removing these cancellation
points moderately reduces code size, and should significantly improve
performance on i386, where sysenter/syscall instructions can be used
instead of "int $128" for non-cancellable syscalls.
2015-06-13 20:53:02 +00:00
..
__fclose_ca.c
initial check-in, version 0.5.0
2011-02-12 00:22:29 -05:00
__fdopen.c
fix possible isatty false positives and unwanted device state changes
2015-02-23 18:53:01 -05:00
__fmodeflags.c
greatly improve freopen behavior
2012-10-24 21:16:06 -04:00
__fopen_rb_ca.c
add O_CLOEXEC fallback for open and related functions
2014-06-06 15:42:42 -04:00
__lockfile.c
document self-synchronized destruction issue for stdio locking
2012-12-10 18:31:39 -05:00
__overflow.c
major stdio overhaul, using readv/writev, plus other changes
2011-03-28 01:14:44 -04:00
__stdio_close.c
overhaul aio implementation for correctness
2015-02-13 01:10:11 -05:00
__stdio_exit.c
work around constant folding bug 61144 in gcc 4.9.0 and 4.9.1
2014-07-16 21:32:06 -04:00
__stdio_read.c
remove cancellation points in stdio
2015-06-13 20:53:02 +00:00
__stdio_seek.c
don't disable seeking after first seek failure
2011-04-02 13:55:54 -04:00
__stdio_write.c
remove cancellation points in stdio
2015-06-13 20:53:02 +00:00
__stdout_write.c
fix possible isatty false positives and unwanted device state changes
2015-02-23 18:53:01 -05:00
__string_read.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
__toread.c
fix failure of ungetc and ungetwc to work on files in eof status
2015-05-29 00:04:36 -04:00
__towrite.c
simplify __stdio_exit static linking logic
2014-07-16 20:44:22 -04:00
__uflow.c
fix failure of ungetc and ungetwc to work on files in eof status
2015-05-29 00:04:36 -04:00
asprintf.c
cleanup asprintf stuff
2011-02-20 17:19:37 -05:00
clearerr.c
initial check-in, version 0.5.0
2011-02-12 00:22:29 -05:00
dprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
ext2.c
fix invalid implicit pointer conversion in gnulib-compat functions
2012-09-06 23:27:55 -04:00
ext.c
change stdio_ext __freading/__fwriting semantics slightly
2012-06-17 21:24:58 -04:00
fclose.c
fix false ownership of stdio FILEs due to tid reuse
2014-08-23 23:35:10 -04:00
feof.c
correct locking in stdio functions that tried to be lock-free
2012-10-24 23:16:41 -04:00
ferror.c
correct locking in stdio functions that tried to be lock-free
2012-10-24 23:16:41 -04:00
fflush.c
work around constant folding bug 61144 in gcc 4.9.0 and 4.9.1
2014-07-16 21:32:06 -04:00
fgetc.c
separate getc/putc from fgetc/fputc
2012-10-27 19:52:40 -04:00
fgetln.c
include cleanups: remove unused headers and add feature test macros
2013-12-12 05:09:18 +00:00
fgetpos.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
fgets.c
fix multiple stdio functions' behavior on zero-length operations
2014-09-04 22:21:17 -04:00
fgetwc.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
fgetws.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
fileno.c
correct locking in stdio functions that tried to be lock-free
2012-10-24 23:16:41 -04:00
flockfile.c
add proper fuxed-based locking for stdio
2011-07-30 08:02:14 -04:00
fmemopen.c
always add memory streams to stdio open file list
2012-11-09 14:26:25 -05:00
fopen.c
remove cancellation points in stdio
2015-06-13 20:53:02 +00:00
fprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
fputc.c
separate getc/putc from fgetc/fputc
2012-10-27 19:52:40 -04:00
fputs.c
fix multiple stdio functions' behavior on zero-length operations
2014-09-04 22:21:17 -04:00
fputwc.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
fputws.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
fread.c
fix multiple stdio functions' behavior on zero-length operations
2014-09-04 22:21:17 -04:00
freopen.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
fscanf.c
fix argument omission in ABI-compat weak_alias for fscanf
2013-04-06 17:15:58 -04:00
fseek.c
apparently fseek should not set the error flag on failed seek
2011-04-02 13:54:55 -04:00
fsetpos.c
initial check-in, version 0.5.0
2011-02-12 00:22:29 -05:00
ftell.c
fix ftello result for append streams with unflushed output
2014-02-07 00:57:50 -05:00
ftrylockfile.c
fix linked list corruption in flockfile lists
2014-09-19 12:28:45 -04:00
funlockfile.c
fix false ownership of stdio FILEs due to tid reuse
2014-08-23 23:35:10 -04:00
fwide.c
fix incorrect return value for fwide function
2014-07-01 18:49:54 -04:00
fwprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
fwrite.c
fix multiple stdio functions' behavior on zero-length operations
2014-09-04 22:21:17 -04:00
fwscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
getc_unlocked.c
add some ugly aliases for LSB ABI compatibility
2012-06-02 21:20:21 -04:00
getc.c
separate getc/putc from fgetc/fputc
2012-10-27 19:52:40 -04:00
getchar_unlocked.c
major stdio overhaul, using readv/writev, plus other changes
2011-03-28 01:14:44 -04:00
getchar.c
initial check-in, version 0.5.0
2011-02-12 00:22:29 -05:00
getdelim.c
fix getdelim to set the error indicator on all failures
2015-04-04 10:53:09 -04:00
getline.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
gets.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
getw.c
make sure getw/putw agree with prototypes by defining _GNU_SOURCE
2012-07-04 12:18:46 -04:00
getwc.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
getwchar.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
open_memstream.c
always add memory streams to stdio open file list
2012-11-09 14:26:25 -05:00
open_wmemstream.c
always add memory streams to stdio open file list
2012-11-09 14:26:25 -05:00
pclose.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
perror.c
minor perror behavior fix
2012-06-20 09:27:28 -04:00
popen.c
fix special-case breakage in popen due to reversed argument order
2013-09-01 17:02:35 -04:00
printf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
putc_unlocked.c
add some ugly aliases for LSB ABI compatibility
2012-06-02 21:20:21 -04:00
putc.c
separate getc/putc from fgetc/fputc
2012-10-27 19:52:40 -04:00
putchar_unlocked.c
major stdio overhaul, using readv/writev, plus other changes
2011-03-28 01:14:44 -04:00
putchar.c
initial check-in, version 0.5.0
2011-02-12 00:22:29 -05:00
puts.c
minor optimization in puts: use inline putc_unlocked macro for newline
2011-05-01 20:12:51 -04:00
putw.c
putw is supposed to return 0 (not the value written) on success
2012-07-04 12:21:22 -04:00
putwc.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
putwchar.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
remove.c
support linux kernel apis (new archs) with old syscalls removed
2014-05-29 21:01:32 -04:00
rename.c
support linux kernel apis (new archs) with old syscalls removed
2014-05-29 21:01:32 -04:00
rewind.c
rewind must clear the error indicator in addition to seeking
2011-02-22 17:11:35 -05:00
scanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
setbuf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
setbuffer.c
add more legacy functions: setlinebuf and setbuffer
2011-04-05 12:25:31 -04:00
setlinebuf.c
add more legacy functions: setlinebuf and setbuffer
2011-04-05 12:25:31 -04:00
setvbuf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
snprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
sprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
sscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
stderr.c
work around constant folding bug 61144 in gcc 4.9.0 and 4.9.1
2014-07-16 21:32:06 -04:00
stdin.c
work around constant folding bug 61144 in gcc 4.9.0 and 4.9.1
2014-07-16 21:32:06 -04:00
stdout.c
work around constant folding bug 61144 in gcc 4.9.0 and 4.9.1
2014-07-16 21:32:06 -04:00
swprintf.c
include cleanups: remove unused headers and add feature test macros
2013-12-12 05:09:18 +00:00
swscanf.c
include cleanups: remove unused headers and add feature test macros
2013-12-12 05:09:18 +00:00
tempnam.c
support linux kernel apis (new archs) with old syscalls removed
2014-05-29 21:01:32 -04:00
tmpfile.c
fix fd leak in tmpfile when the fdopen operation fails
2014-06-06 03:17:47 -04:00
tmpnam.c
support linux kernel apis (new archs) with old syscalls removed
2014-05-29 21:01:32 -04:00
ungetc.c
fix failure of ungetc and ungetwc to work on files in eof status
2015-05-29 00:04:36 -04:00
ungetwc.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
vasprintf.c
simplify vasprintf implementation
2014-06-04 03:39:22 -04:00
vdprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
vfprintf.c
don't suppress sign output for NANs in printf
2014-12-18 17:41:34 -05:00
vfscanf.c
add __isoc99_vfscanf weak alias to vfscanf
2014-01-08 22:52:26 +01:00
vfwprintf.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
vfwscanf.c
fix idiom for setting stdio stream orientation to wide
2015-06-13 05:17:16 +00:00
vprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
vscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
vsnprintf.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
vsprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
vsscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
vswprintf.c
clean up stdio_impl.h
2012-11-08 16:39:41 -05:00
vswscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
vwprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
vwscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00
wprintf.c
use restrict everywhere it's required by c99 and/or posix 2008
2012-09-06 22:44:55 -04:00
wscanf.c
Add ABI compatability aliases.
2013-04-05 23:20:28 -07:00