968738f9b1
Implement BSD/GNU unlocked stdio extensions.
...
* libc/include/stdio.h (clearerr_unlocked, feof_unlocked,
ferror_unlocked, fflush_unlocked, fgetc_unlocked, fgets_unlocked,
fileno_unlocked, fputc_unlocked, fputs_unlocked, fread_unlocked,
fwrite_unlocked): Declare.
* libc/include/wchar.h (fgetwc_unlocked, fgetws_unlocked,
fputwc_unlocked, fputws_unlocked, getwc_unlocked, getwchar_unlocked,
putwc_unlocked, putwchar_unlocked): Declare.
* libc/stdio/Makefile.am (ELIX_4_SOURCES): Add clearerr_u.c,
feof_u.c, ferror_u.c, fflush_u.c, fgetc_u.c, fgets_u.c, fgetwc_u.c,
fgetws_u.c, fileno_u.c, fputc_u.c, fputs_u.c, fputwc_u.c, fputws_u.c,
fread_u.c, fwrite_u.c, getwc_u.c, getwchar_u.c, putwc_u.c, putwchar_u.c.
Add necessary dependencies.
* libc/stdio/Makefile.in: Regenerate.
* libc/stdio/clearerr.c: Document unlocked variant.
* libc/stdio/clearerr_u.c: New file.
* libc/stdio/feof.c: Document unlocked variant.
* libc/stdio/feof_u.c: New file.
* libc/stdio/ferror.c: Document unlocked variant.
* libc/stdio/ferror_u.c: New file.
* libc/stdio/fflush.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fflush_u.c: New file.
* libc/stdio/fgetc.c: Document unlocked variants.
* libc/stdio/fgetc_u.c: New file.
* libc/stdio/fgets.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fgets_u.c: New file.
* libc/stdio/fgetwc.c: Document unlocked variants.
(__fgetwc): Make non-static.
* libc/stdio/fgetwc_u.c: New file.
* libc/stdio/fgetws.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fgetws_u.c: New file.
* libc/stdio/fileno.c: Document unlocked variant.
* libc/stdio/fileno_u.c: New file.
* libc/stdio/fputc.c: Document unlocked variants.
* libc/stdio/fputc_u.c: New file.
* libc/stdio/fputs.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fputs_u.c: New file.
* libc/stdio/fputwc.c: Document unlocked variants.
(__fputwc): Make non-static.
* libc/stdio/fputwc_u.c: New file.
* libc/stdio/fputws.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fputws_u.c: New file.
* libc/stdio/fread.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fread_u.c: New file.
* libc/stdio/fwrite.c: Add __IMPL_UNLOCKED__ overrides.
Document unlocked variants.
* libc/stdio/fwrite_u.c: New file.
* libc/stdio/getwc_u.c: New file.
* libc/stdio/getwchar.c: Document unlocked variants.
* libc/stdio/getwchar_u.c: New file.
* libc/stdio/local.h: Define locking macros as empty ifdef
__IMPL_UNLOCKED__.
(__fgetwc, __fputwc): Declare.
* libc/stdio/putwc_u.c: New file.
* libc/stdio/putwchar.c: Document unlocked variants.
* libc/stdio/putwchar_u.c: New file.
2014-12-18 14:55:21 +00:00
b334e6660a
2013-04-29 Sebastian Huber <sebastian.huber@embedded-brains.de>
...
* libc/stdio/local.h (CHECK_INIT): Evaluate argument only once.
(CHECK_STD_INIT): Likewise.
* libc/stdio/fgetc.c (fgetc): Use local variable for _REENT.
* libc/stdio/fgetwc.c (fwgetc): Likewise.
* libc/stdio/fgetws.c (fgetws): Likewise.
* libc/stdio/fputc.c (fputc): Likewise.
* libc/stdio/fputwc.c (fputwc): Likewise.
* libc/stdio/fputws.c (fputws): Likewise.
* libc/stdio/getc.c (getc): Likewise.
* libc/stdio/getchar.c (_getchar_r): Likewise.
* libc/stdio/putc.c (putc): Likewise.
* libc/stdio/putchar.c (putchar): Likewise.
* libc/stdio/scanf.c (scanf): Likewise.
* libc/stdio/setvbuf.c (setvbuf): Likewise.
* libc/stdio/ungetwc.c (ungetwc): Likewise.
* libc/stdio/vfscanf.c (VFSCANF): Likewise.
* libc/stdio/vfwscanf.c (VFWSCANF): Likewise.
* libc/stdio/viprintf.c (viprintf): Likewise.
* libc/stdio/viscanf.c (viscanf): Likewise.
* libc/stdio/vprintf.c (vprintf): Likewise.
* libc/stdio/vscanf.c (vscanf): Likewise.
* libc/stdio/vwprintf.c (vwprintf): Likewise.
* libc/stdio/vwscanf.c (vwscanf): Likewise.
* libc/stdio/wscanf.c (wscanf): Likewise.
* libc/stdlib/ecvtbuf.c (fcvtbuf): Likewise.
(fcvtbuf): Likewise.
(ecvtbuf): Likewise.
(ecvtbuf): Likewise.
* libc/stdlib/mblen.c (mblen): Likewise.
* libc/stdlib/mbrlen.c (mbrlen): Likewise.
* libc/stdlib/mbrtowc.c (mbrtowc): Likewise.
* libc/stdlib/mbtowc.c (mbtowc): Likewise.
* libc/stdlib/rand.c (srand): Likewise.
(rand): Likewise.
* libc/stdlib/wcrtomb.c (wcrtomb): Likewise.
* libc/stdlib/wctob.c (wctob): Likewise.
* libc/stdlib/wctomb.c (wctomb): Likewise.
* libc/string/strtok.c (strtok): Likewise.
* libc/time/asctime.c (asctime): Likewise.
* libc/time/gmtime.c (gmtime): Likewise.
* libc/time/lcltime.c (lcltime): Likewise.
2013-04-29 21:06:23 +00:00
4aa28d8ae2
* libc/stdio/local.h (_newlib_flockfile_start): New macro to
...
secure stream related critical section against thread cancellation.
(_newlib_flockfile_exit): Ditto.
(_newlib_sfp_lock_end): Ditto.
(_newlib_sfp_lock_start): Ditto for the list of streams.
(_newlib_sfp_lock_exit): Ditto.
(_newlib_sfp_lock_end): Ditto.
Use aforementioned macros in place of _flockfile/_funlockfile
and __sfp_lock_acquire/__sfp_lock_release throughout the code.
* libc/stdio/fclose.c: Explicitely disable and re-enable thread
cancellation. Explain why.
* libc/stdio/freopen.c: Ditto.
* libc/stdio64/freopen64.c: Ditto.
2012-05-30 08:58:42 +00:00
656df313e0
* libc/stdio/fclose.c: Only use sfp lock to guard non-atomic
...
changes of flags and fp lock.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/freopen64.c: Ditto.
* libc/stdio/fgetc.c: Revert change from 2009-04-24, remove sfp locks
which guard entire function to avoid potential deadlocks when using
stdio functions in multiple thraeds.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fgetwc.c: Ditto.
* libc/stdio/fgetws.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/gets.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/vfwscanf.c: Ditto.
* libc/stdio/fflush.c (_fflush_r): Split out core functionality into
new function __sflush_r. Just lock file and call __sflush_r from here.
* libc/stdio/fwalk.c (_fwalk): Remove static helper function and move
functionality back into main function. Don't walk a file with flags
value of 1. Add comment.
(_fwalk_reent): Ditto.
* libc/stdio/local.h (__sflush_r): Declare.
* libc/stdio/refill.c (__srefill): Before calling fwalk, set flags
value to 1 so this file pointer isn't walked. Revert flags afterwards
and call __sflush_r for this fp if necessary. Add comments.
2011-01-28 10:49:11 +00:00
bcde129400
2009-04-24 Jeff johnston <jjohnstn@redhat.com>
...
* libc/stdio/fgetc.c: Make sure sfp lock is acquired before the
file lock and released before the file lock to avoid a deadlock
scenario.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fgetwc.c: Ditto.
* libc/stdio/fgetws.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/gets.c: Ditto.
2009-04-24 22:52:52 +00:00
e5e148d15b
2006-09-26 Jeff Johnston <jjohnstn@redhat.com>
...
* libc/include/stdio.h[_REENT_SMALL]: Do not allow macros
for clearerr, feof, or fileno.
* libc/include/sys/reent.h[_REENT_SMALL](struct _reent): Change
the dummy std stream scheme to use pointers to const external
fake files, one for each standard stream.
* libc/stdio/local.h (CHECK_INIT): Change to take a file pointer
argument. For _REENT_SMALL, reset the file pointer if it
matches one of the fake std stream pointers.
* libc/stdio/clearerr.c: Fix CHECK_INIT macro to add file pointer
argument.
* libc/stdio/fclose.c: Ditto.
* libc/stdio/feof.c: Ditto.
* libc/stdio/ferror.c: Ditto.
* libc/stdio/fflush.c: Ditto.
* libc/stdio/fgetc.c: Ditto.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fileno.c: Ditto.
* libc/stdio/findfp.c: Ditto.
* libc/stdio/fputc.c: Ditto.
* libc/stdio/fputs.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/ftell.c: Ditto.
* libc/stdio/fwrite.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getdelim.c: Ditto.
* libc/stdio/putc.c: Ditto.
* libc/stdio/refill.c: Ditto.
* libc/stdio/setvbuf.c: Ditto.
* libc/stdio/ungetc.c: Ditto.
* libc/stdio/vfprintf.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/wbuf.c: Ditto.: Ditto.
* libc/stdio/wsetup.c: Ditto.
* libc/stdio64/freopen64.c: Ditto.
* libc/stdio64/fseeko64.c: Ditto.
* libc/stdio64/ftello64.c: Ditto.
* libc/machine/powerpc/vfprintf.c: Ditto.
* libc/machine/powerpc/vfscanf.c: Ditto.
2006-09-26 21:22:19 +00:00
4dc0c0c4e5
2006-06-14 Jeff Johnston <jjohnstn@redhat.com>
...
* libc/include/stdio.h: Add new reentrant I/O prototypes for
read/write functions. Change getc/putc macros to have reentrant underlying
macros/functions. This includes __sgetc_raw_r, __sgetc_r, and __sputc_r.
* libc/stdio/fgetc.c: Fix and/or add reentrant version to call
new reentrant I/O functions/macros for reading/writing.
* libc/stdio/fgets.c: Ditto.
* libc/stdio/fputc.c: Ditto.
* libc/stdio/fputs.c: Ditto.
* libc/stdio/fread.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio64/fseeko64.c: Ditto.
* libc/stdio/fwrite.c: Ditto.
* libc/stdio/getc.c: Ditto.
* libc/stdio/getc_u.c: Ditto.
* libc/stdio/getchar.c: Ditto.
* libc/stdio/getchar_u.c: Ditto.
* libc/stdio/putc.c: Ditto.
* libc/stdio/putc_u.c: Ditto.
* libc/stdio/putchar.c: Ditto.
* libc/stdio/puts.c: Ditto.
* libc/stdio/vfprintf.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/fvwrite.c: Change __sfvwrite into reentrant __sfvwrite_r.
Change all previous callers of __sfvwrite. Set errno to EBADF and
set error flag on if attempt is made to write to file that does not
allow writing.
* libc/stdio/fvwrite.h: Fix new reentrant prototypes.
* libc/stdio/local.h: Ditto.
* libc/stdio/refill.c: Turn __srefill into reentrant __srefill_r.
Set errno to EBADF and the error flag on if attempt is made to
read unreadable file. Change all previous callers of __srefill.
* libc/stdio/rget.c
* libc/stdio/wbuf.c: Turn __swbuf into reentrant __swbuf_r. Change
all previous callers of __swbuf.
* libc/sys/linux/machine/i386/huge_val.h: Ifdef out file contents since
huge value macros are already defined correctly for i386 by <math.h>.
2006-06-14 20:49:11 +00:00
1159e0fd94
2005-02-07 Antony King <antony.king@st.com>
...
* libc/stdio/clearerr.c (clearerr): Ensure CHECK_INIT() is
called before _flockfile to prevent lock object use before
initialisation. _REENT_SMALL_CHECK_INIT() and CHECK_INIT()
take a struct _reent * instead of a FILE *.
* libc/stdio/fclose.c (_fclose_r): Ditto.
* libc/stdio/feof.c (feof): Ditto.
* libc/stdio/ferror.c (ferror): Ditto.
* libc/stdio/fflush.c (fflush): Ditto.
* libc/stdio/fgetc.c (fgetc): Ditto.
* libc/stdio/fgets.c (fgets): Ditto.
* libc/stdio/fileno.c (fileno): Ditto.
* libc/stdio/fputc.c (fputc): Ditto.
* libc/stdio/fputs.c (fputs): Ditto.
* libc/stdio/fread.c (fread): Ditto.
* libc/stdio/freopen.c (_freopen_r): Ditto.
* libc/stdio/fseek.c (_fseek_r): Ditto.
* libc/stdio/ftell.c (_ftell_r): Ditto.
* libc/stdio/fwrite.c (fwrite): Ditto.
* libc/stdio/getc.c (getc): Ditto.
* libc/stdio/getdelim.c (__getdelim): Ditto.
* libc/stdio/putc.c (putc): Ditto.
* libc/stdio/setvbuf.c (setvbuf): Ditto.
* libc/stdio/ungetc.c (_ungetc_r): Ditto.
* libc/stdio/vfprintf.c (_VFPRINTF_R): Ditto.
* libc/stdio64/freopen64.c (_freopen64_r): Ditto.
* libc/stdio64/fseeko64.c (_fseeko64_r): Ditto.
* libc/stdio64/ftello64.c (_ftello64_r): Ditto.
* libc/stdio/local.h (CHECK_INIT): Argument is now a struct
_reent * instead of a FILE * and so replace incorrect use of
_REENT with argument.
* libc/sys/arm/syscalls.c (CHECK_INIT): Ditto.
* libc/stdio/getchar.c (getchar): _REENT_SMALL_CHECK_INIT() and
CHECK_INIT() take a struct _reent * instead of a FILE *.
* libc/stdio/iprintf.c (iprintf, _iprintf_r): Ditto.
* libc/stdio/iscanf.c (iscanf, _iscanf_r): Ditto.
* libc/stdio/perror.c (perror): Ditto.
* libc/stdio/printf.c (printf, _printf_r): Ditto.
* libc/stdio/putchar.c (putchar): Ditto.
* libc/stdio/puts.c (puts): Ditto.
* libc/stdio/refill.c (__srefill): Ditto.
* libc/stdio/scanf.c (scanf, _scanf_r): Ditto.
* libc/stdio/vfscanf.c (VFSCANF, _VFSCANF_R): Ditto.
* libc/stdio/viprintf.c (viprintf, _viprintf_r): Ditto.
* libc/stdio/viscanf.c (viscanf, _viscanf_r): Ditto.
* libc/stdio/vprintf.c (vprintf, _vprintf_r): Ditto.
* libc/stdio/vscanf.c (vscanf, _vscanf_r): Ditto.
* libc/stdio/wbuf.c (__swbuf): Ditto.
* libc/stdio/wsetup.c (__swsetup): Ditto.
* libc/stdlib/mallocr.c (malloc_stats): Ditto.
* libc/stdlib/mstats.c (_mstats_r): Ditto.
* libc/include/sys/reent.h (_REENT_SMALL_CHECK_INIT): Ditto.
* libc/machine/powerpc/vfscanf.c (vfscanf): Ditto.
* libc/stdio/fgetpos.c (_fgetpos_r): Removed unnecessary calls
to _flockfile and _funlockfile; rely on locking in _ftell_r.
* libc/stdio64/fgetpos64.c (_fgetpos64_r): Ditto (_ftello64_r).
* libc/machine/powerpc/vfprintf.c (__sbprintf): Removed unnecessary
initialision of _data field in FILE structure.
* libc/machine/powerpc/vfprintf.c (VFPRINTF): Added CHECK_INIT() call.
2005-02-08 01:33:19 +00:00
05b315770a
2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com>
...
* libc/stdio/asprintf.c libc/stdio/clearerr.c,
libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c,
libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c,
libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c,
libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c,
libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c,
libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c,
libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c,
libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c,
libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c,
libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c,
libc/stdio/getchar.c libc/stdio/getchar_u.c,
libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c,
libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h,
libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c,
libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c,
libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c,
libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c,
libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c,
libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c,
libc/stdio/setlinebuf.c libc/stdio/setvbuf.c,
libc/stdio/siprintf.c libc/stdio/snprintf.c,
libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c,
libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c,
libc/stdio/vasprintf.c libc/stdio/vfieeefp.h,
libc/stdio/vfprintf.c libc/stdio/vfscanf.c,
libc/stdio/vprintf.c libc/stdio/vscanf.c,
libc/stdio/vsnprintf.c libc/stdio/vsprintf.c,
libc/stdio/vsscanf.c libc/stdio/wbuf.c,
libc/stdio/wsetup.c: Perform minor formatting changes. Move
copyright notices to top of file, ensure that <_ansi.h> is
included, be consistent with open parentheses, use _DEFUN macro,
include "local.h" where needed, and remove various compiler
warnings.
2004-04-23 20:01:55 +00:00
e71372faea
* libc/include/sys/stdio.h: New file.
...
* libc/sys/linux/sys/stdio.h: New file.
* libc/include/stdio.h: Add declarations for flockfile,
ftrylockfile, and funlockfile. Include <sys/stdio.h>.
* libc/stdio/clearerr.c: Add file locking.
* libc/stdio/fclose.c: Likewise.
* libc/stdio/feof.c: Likewise.
* libc/stdio/ferror.c: Likewise.
* libc/stdio/fflush.c: Likewise.
* libc/stdio/fgetc.c: Likewise.
* libc/stdio/fgetpos.c: Likewise.
* libc/stdio/fgets.c: Likewise.
* libc/stdio/fileno.c: Likewise.
* libc/stdio/fputc.c: Likewise.
* libc/stdio/fputs.c: Likewise.
* libc/stdio/fread.c: Likewise.
* libc/stdio/freopen.c: Likewise.
* libc/stdio/fseek.c: Likewise.
* libc/stdio/ftell.c: Likewise.
* libc/stdio/fwrite.c: Likewise.
* libc/stdio/getc.c: Likewise.
* libc/stdio/putc.c: Likewise.
* libc/stdio/setvbuf.c: Likewise.
* libc/stdio/ungetc.c: Likewise.
* libc/stdio/vfprintf.c: Likewise.
2002-05-08 00:12:49 +00:00
8a0efa53e4
import newlib-2000-02-17 snapshot
2000-02-17 19:39:52 +00:00
Yaakov Selkowitz
Jeff Johnston
Corinna Vinschen
Thomas Fitzsimmons
Christopher Faylor