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* libc/stdio/findfp.c (__sinit): Protect with new lock.
(__sinit_lock): New lock.
(__sinit_lock_acquire, __sinit_lock_release): New functions.
* libc/stdio/local.h: Add reference to new __sinit locking
functions.
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* libc/include/sys/_types.h: Include <sys/lock.h> and change
_flock_t to be of type _LOCK_RECURSIVE_T.
* libc/include/sys/reent.h: (_REENT_INIT): Reformat.
(_REENT_INIT_PTR): Ditto. Use memset where appropriate.
(_global_impure_ptr): New declaration.
(_GLOBAL_REENT): Change to be _global_impure_ptr.
* libc/include/sys/stdio.h: Include <sys/lock.h> and
<sys/reent.h>.
(_flockfile)[!_SINGLE_THREAD]: Add code for lock call.
(_funlockfile)[!SINGLE_THREAD]: Ditto.
* libc/reent/impure.c: Set _global_impure_ptr to _impure_ptr.
* libc/stdio/fclose.c: Remove casting of fp lock to
_LOCK_RECURSIVE_T.
* libc/stdio/findfp.c: Ditto.
* libc/stdio/fopen.c: Ditto.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/vfprintf.c: Ditto.
* libc/stdio64/fopen64.c: Ditto.
* libc/stdlib/envlock.c: Add default stubs that use generic
locking code.
* libc/stdlib/mlock.c: Ditto.
Jeff Johnston <jjohnstn@redhat.com>
* libc/sys/linux/sys/_types.h (__flock_mutex_t): New subtype.
(_flock_t): Change to be a struct containing a single member
named mutex which is of type __flock_mutex_t.
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* 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.
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* libc/stdio/findfp.c (__fp_lock_all): Add call to
__sfp_lock_acquire.
(__fp_unlock_all): Add call to __sfp_lock_release.
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* libc/stdio/fclose.c (fclose): Protect file pointer list when
releasing a file.
* libc/stdio/fcloseall.c (_fcloseall_r): Close all files via
fwalk.
* libc/stdio/fdopen.c (_fdopen_r): Add calls to
_flockfile/_funlockfile.
* libc/stdio/findfp.c: Move __sfp_lock. Change __sfp_lock type
to recursive.
Change __lock_acquire/__lock_release calls for __sfp_lock to
__sfp_lock_acquire/__sfp_lock_release throughout.
(std): Make sure that file lock is only initialized once.
(__sfp): Move _file initialization. Initialize file lock.
(__sfp_lock_acquire): New function.
(__sfp_lock_release): Ditto.
(__fp_lock_all): Remove __sfp_lock_acquire call.
(__fp_unlock_all): Remove __sfp_lock_release call.
* libc/stdio/fopen.c (_fopen_r): Protect file pointer list.
Add calls to _flockfile/_funlockfile. Remove
__lock_init_recursive call.
* libc/stdio/freopen.c (_freopen_r): Protect file pointer list.
* libc/stdio/fwalk.c (__fwalk): New static function.
(_fwalk): Protect file pointer list. Use __fwalk to walk through
file pointers.
* libc/stdio/local.h: Add defines for
__sfp_lock_acquire/__sfp_lock_release when
single threaded. Add function prototypes otherwise.
* libc/stdio64/fdopen64.c (_fdopen64_r): Add calls to
_flockfile/_funlockfile.
* libc/stdio/fopen64.c (_fopen64_r): Protect file pointer list.
Add calls to _flockfile/_funlockfile. Remove
__lock_init_recursive call.
* libc/stdio/freopen64.c (_freopen64_r): Protect file pointer
list.
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* libc/stdio/findfp.c (__sfp): Rename lock to __sfp_lock.
Change __sfp_lock to static global.
(__fp_lock): New static function.
(__fp_unlock): Ditto.
(__fp_lock_all): New function.
(__fp_unlock_all): Ditto.
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* libc/stdio/findfp.c (__sfp): Protect global FILE pointer list
by a lock when newlib is multithreaded.
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* libc/stdio/findfp.c (__sfp): Remove unnecessary memset.
* libc/stdio/vfprintf.c (__sbprintf): Ditto.
Add calls to __lock_init_recursive and __lock_close_recursive
instead.
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* libc/stdio/fclose.c: Include sys/lock.h.
(fclose): Destroy lock when file is closed.
* libc/stdio/findfp.c (__sfp): Initialize file pointers _lock
member.
* libc/stdio/freopen.c: Include sys/lock.h.
(_freopen_r): Destroy lock when file is closed.
* libc/stdio/vfprintf.c (__sbprintf): Initialize file pointers
_lock member.
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* libc/include/sys/reent.h: Add _GLOBAL_REENT macro.
* libc/stdio: Globally remove/replace all references to fp->_data.
Replace with _REENT or _GLOBAL_REENT where appropriate.
* libc/stdio/asprintf.c: Ditto.
* libc/stdio/fclose.c: Ditto.
* libc/stdio/fvwrite.c: Ditto.
* libc/stdio/makebuf.c: Ditto.
* libc/stdio/refill.c: Ditto.
* libc/stdio/local.h: Ditto.
* libc/stdio/setvbuf.c: Ditto.
* libc/stdio/sscanf.c: Ditto.
* libc/stdio/stdio.c: Ditto.
* libc/stdio/ungetc.c: Ditto.
* libc/stdio/vfscanf.c: Ditto.
* libc/stdio/vsscanf.c: Ditto.
* libc/stdio/fopen.c: Ditto. Also use _fseek_r in _fopen_r.
* libc/stdio/vasprintf.c: Ditto. Also call _vfprintf_r directly.
* libc/stdio/vsnprintf.c: Ditto.
* libc/stdio/vsprintf.c: Ditto.
* libc/stdio/fcloseall.c(fcloseall): Use _GLOBAL_REENT macro
instead of _REENT to walk file list.
* libc/stdio/fflush.c: Ditto.
* libc/stdio/fgetpos.c: Add reentrant version and have regular
version call reentrant version with _REENT argument.
* libc/stdio/fsetpos.c: Ditto.
* libc/stdio/fseek.c: Ditto.
* libc/stdio/fseeko.c: Ditto.
* libc/stdio/ftell.c: Ditto.
* libc/stdio/ftello.c: Ditto.
* libc/stdio/freopen.c: Ditto.
* libc/stdio/findfp.c: Use _GLOBAL_REENT pointer when adding
new files to chain. Also use _GLOBAL_REENT pointer for
cleaning up.
* libc/stdio/fiprintf.c: Reformatted to minimize duplicate code.
* libc/stdio/siprintf.c: Ditto.
* libc/stdio/iprintf.c: Ditto.
* libc/stdio/fprintf.c: Ditto.
* libc/stdio/printf.c: Ditto.
* libc/stdio/snprintf.c: Call _vfprintf_r directly.
* libc/stdio/sprintf.c: Ditto.
* libc/stdio/vprintf.c: Ditto. Also add _REENT_ONLY check.
* libc/stdio/rewind.c: Call _fseek_r directly.
* libc/stdio/tmpfile.c: Call _fopen_r and _remove_r directly.
* libc/stdio/vfprintf.c (_VFPRINTF_R): Change _r routines to use
data pointer.
(get_arg): Add extra struct _reent pointer argument.
* libc/stdio64/fgetpos64.c: Add _r versions, remove any reference
to fp->_data.
* libc/stdio64/fopen64.c: Ditto.
* libc/stdio64/freopen64.c: Ditto.
* libc/stdio64/fsetpos64.c: Ditto.
* libc/stdio64/ftello64.c: Ditto.
* libc/stdio64/local64.h: Ditto.
* libc/stdio64/stdio64.c: Ditto.
* libc/stdio64/fseeko64.c: Ditto plus use _fstat_r instead of
_fstat64_r for the meantime.
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* libc/include/sys/_types.h (_flock_t): Added.
* libc/include/sys/lock.h (__lock_try_acquire): New interface.
(__lock_try_acquire_recursive): Ditto.
* libc/include/sys/reent.h (__sFILE, __sFILE64): Add new
_lock field.
* libc/stdio/findfp.c (std)[!__SINGLE_THREAD__]: Initialize _lock
field.
* libc/stdio/fopen.c (_fopen_r)[!__SINGLE_THREAD__]: Ditto.
* libc/stdio64/fopen64.c (_fopen64_r)[!__SINGLE_THREAD__]: Ditto.
* libc/sys/linux/include/time.h (struct timespec): Moved from
<sys/types.h> and added check for __need_timespec flag so type
can be defined by itself.
* libc/sys/linux/sys/_types.h (_flock_t): New type.
* libc/sys/linux/sys/types.h (struct timespec): Moved to
<time.h>.
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if _REENT_SMALL is defined in config.h. define this for xstormy16.
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* libc/stdio/findfp (__sinit)[HAVE_FCNTL]: For platforms that have
real file systems, let __smakebuf() determine if line buffering
should be used for stdout.
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(__sread): always read in binary mode
(__swrite): always write in binary mode
* libc/include/stdio.h: no getc/putc macros for cygwin; causes
compatibility issues with different dll versions
* libc/stdio/fopen.c: use __stextmode
* libc/stdio/fdopen.c: ditto
* libc/stdio/freopen.c: ditto
* libc/stdio/findfp.c: set up __SCLE for std{in,out,err}
* libc/stdio/local.h: declare __stextmode
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* libc/signal/signal.c (_signal_r) : Removed unused local variable temp. * libc/stdio/findfp.c (std): Added declaration of flags and file.
* libc/stdio/mktemp.c (_gettemp, _mkstemp_r, mkstemp): Added int
return type.
* libc/stdio/putchar.c (putchar): Added return statement.
* libc/stdio/refill.c (lflush): Added correct parentheses.
* libc/stdio/vfprintf.c (_VFPRINTF_R): Ditto.
* libc/stdio/vfscanf.c (__svfscanf): Changed sprintf call which
prints long value to use l qualifier.
* libc/stdlib/dtoa.c (_dtoa_r): Added parentheses to remove warning
messages and initialized local values: ilim, ilim1, and spec_case.
* libc/stdlib/ecvtbuf.c (print_e): Removed unused variable dp.
* libc/stdlib/mbctype.h (_issjis1, _issjis2): Added parentheses.
* libc/stdlib/mprec.c: Ditto.
* libc/stdlib/setenv_r.c: Ditto.
* libc/stdlib/strtod.c: Ditto.
* libc/stdlib/strtol.c: Ditto.
* libc/stdlib/strtoul.c: Ditto.
* libm/common/sf_expm1.c: Added curly braces to if else clauses.
* libm/common/sf_log1p.c: Ditto.
* libm/common/sf_scalbn.c: Ditto.
* libm/math/ef_log.c: Ditto.
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