[newlib-cygwin] Cygwin: signal.h: improve exception flags definition

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3dc89bbafe75f559b2f5b4a70d60983fe4a9c96e

commit 3dc89bbafe75f559b2f5b4a70d60983fe4a9c96e
Author: Corinna Vinschen <***@vinschen.de>
Date: Tue Jun 26 10:10:48 2018 +0200

Cygwin: signal.h: improve exception flags definition

- add numbers for readability
- add a preprocessor macro for each flag

Signed-off-by: Corinna Vinschen <***@vinschen.de>

Diff:
---
winsup/cygwin/include/cygwin/signal.h | 44 +++++++++++++++++++++++++++++++----
1 file changed, 39 insertions(+), 5 deletions(-)

diff --git a/winsup/cygwin/include/cygwin/signal.h b/winsup/cygwin/include/cygwin/signal.h
index 630afc8..9d99727 100644
--- a/winsup/cygwin/include/cygwin/signal.h
+++ b/winsup/cygwin/include/cygwin/signal.h
@@ -268,7 +268,7 @@ enum
SI_QUEUE, /* sent by sigqueue */
SI_KERNEL, /* sent by system */

- ILL_ILLOPC, /* illegal opcode */
+ ILL_ILLOPC = 7, /* illegal opcode */
ILL_ILLOPN, /* illegal operand */
ILL_ILLADR, /* illegal addressing mode */
ILL_ILLTRP, /* illegal trap*/
@@ -277,7 +277,7 @@ enum
ILL_COPROC, /* coprocessor error */
ILL_BADSTK, /* internal stack error */

- FPE_INTDIV, /* integer divide by zero */
+ FPE_INTDIV = 15, /* integer divide by zero */
FPE_INTOVF, /* integer overflow */
FPE_FLTDIV, /* floating point divide by zero */
FPE_FLTOVF, /* floating point overflow */
@@ -286,14 +286,14 @@ enum
FPE_FLTINV, /* floating point invalid operation */
FPE_FLTSUB, /* subscript out of range */

- SEGV_MAPERR, /* address not mapped to object */
+ SEGV_MAPERR = 23, /* address not mapped to object */
SEGV_ACCERR, /* invalid permissions for mapped object */

- BUS_ADRALN, /* invalid address alignment. */
+ BUS_ADRALN = 25, /* invalid address alignment. */
BUS_ADRERR, /* non-existant physical address. */
BUS_OBJERR, /* object specific hardware error. */

- CLD_EXITED, /* child has exited */
+ CLD_EXITED = 28, /* child has exited */
CLD_KILLED, /* child was killed */
CLD_DUMPED, /* child terminated abnormally */
CLD_TRAPPED, /* traced child has trapped */
@@ -301,6 +301,40 @@ enum
CLD_CONTINUED /* stopped child has continued */
};

+#define SI_USER SI_USER
+#define SI_ASYNCIO SI_ASYNCIO
+#define SI_MESGQ SI_MESGQ
+#define SI_TIMER SI_TIMER
+#define SI_QUEUE SI_QUEUE
+#define SI_KERNEL SI_KERNEL
+#define ILL_ILLOPC ILL_ILLOPC
+#define ILL_ILLOPN ILL_ILLOPN
+#define ILL_ILLADR ILL_ILLADR
+#define ILL_ILLTRP ILL_ILLTRP
+#define ILL_PRVOPC ILL_PRVOPC
+#define ILL_PRVREG ILL_PRVREG
+#define ILL_COPROC ILL_COPROC
+#define ILL_BADSTK ILL_BADSTK
+#define FPE_INTDIV FPE_INTDIV
+#define FPE_INTOVF FPE_INTOVF
+#define FPE_FLTDIV FPE_FLTDIV
+#define FPE_FLTOVF FPE_FLTOVF
+#define FPE_FLTUND FPE_FLTUND
+#define FPE_FLTRES FPE_FLTRES
+#define FPE_FLTINV FPE_FLTINV
+#define FPE_FLTSUB FPE_FLTSUB
+#define SEGV_MAPERR SEGV_MAPERR
+#define SEGV_ACCERR SEGV_ACCERR
+#define BUS_ADRALN BUS_ADRALN
+#define BUS_ADRERR BUS_ADRERR
+#define BUS_OBJERR BUS_OBJERR
+#define CLD_EXITED CLD_EXITED
+#define CLD_KILLED CLD_KILLED
+#define CLD_DUMPED CLD_DUMPED
+#define CLD_TRAPPED CLD_TRAPPED
+#define CLD_STOPPED CLD_STOPPED
+#define CLD_CONTINUED CLD_CONTINUED
+
enum
{
SIGEV_SIGNAL = 0, /* a queued signal, with an application