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Author SHA1 Message Date
Corinna Vinschen 279aaeb5c7 fenv.h: Change fexcept_t to integral type for compatibility 
On Linux and in Mingw-w64, fexcept_t is defined as type unsigned short.
There are packages in the wild which rely on the fact that fexcept_t is
an integral type.  We're changing the internal handling to use the bits
just as in GLibc, so only the 6 lowest bits are used to reflect the hw
bits.  We even change the header file guard to reflect GLibc for compatibility.

	* include/fenv.h (_FENV_H): Rename from _FENV_H_ and set to 1 as in
	GLibc's header.
	(fexcept_t): Change to __uint16_t to be an integral type as in GLibc.
	* fenv.cc (fegetexceptflag): Align to the *flagp's type change.
	(fesetexceptflag): Ditto.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2016-03-30 12:55:42 +02:00
Yaakov Selkowitz 3237fb31b3 Feature test macros overhaul: Cygwin headers 
Use proper internal macros for BSD and GNU.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
 2016-03-17 21:09:22 -05:00
Jon Turney e30d78d685 Remove spurious execute permissions from some Cygwin source and text files 
2015-08-21  Jon Turney  <jon.turney@dronecode.org.uk>

	* cygwin-cxx.h: Remove execute permissions.
	* fenv.cc: Ditto.
	* how-startup-shutdown-works.txt: Ditto.
	* include/arpa/nameser.h: Ditto.
	* include/arpa/nameser_compat.h: Ditto.
	* include/fenv.h: Ditto.
	* include/resolv.h: Ditto.
	* libstdcxx_wrapper.cc: Ditto.

2015-10-27  Jon Turney  <jon.turney@dronecode.org.uk>

	* winsup.api/signal-into-win32-api.c: Remove execute permissions.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
 2015-10-27 16:10:37 +00:00
Christopher Faylor 1b23b30b29 Clean up whitespace. 2011-12-17 23:39:47 +00:00
Corinna Vinschen 7054950175 * include/fenv.h: Add missing _FENV_H_ define. 2011-04-24 11:54:06 +00:00
Dave Korn 0f81b5d4bc winsup/cygwin/ChangeLog: 
* Makefile.in (DLL_OFILES): Add new fenv.o module.
	(fenv_CFLAGS): New flags definition for fenv.o compile.
	* autoload.cc (std_dll_init): Use fenv.h functions instead of direct
	manipulation of x87 FPU registers.
	* crt0.c (mainCRTStartup): Likewise.
	* cygwin.din (feclearexcept, fegetexceptflag, feraiseexcept,
	fesetexceptflag, fetestexcept, fegetround, fesetround, fegetenv,
	feholdexcept, fesetenv, feupdateenv, fegetprec, fesetprec,
	feenableexcept, fedisableexcept, fegetexcept, _feinitialise,
	_fe_dfl_env, _fe_nomask_env): Export new functions and data items.
	* fenv.cc: New file.
	* posix.sgml: Update status of newly-implemented APIs.
	* include/fenv.h: Likewise related header.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
 2010-09-11 06:53:28 +00:00