1 files changed, 49 insertions, 0 deletions
diff --git a/src/cmd/ksh93/features/sigfeatures b/src/cmd/ksh93/features/sigfeatures
new file mode 100644
index 0000000..58beaf8
--- /dev/null
+++ b/src/cmd/ksh93/features/sigfeatures
@@ -0,0 +1,49 @@
+lib	sigblock,sigrelse,sigsetmask,sigprocmask,sigvec
+typ	sigset_t	ast.h signal.h
+mem	sigvec.sv_mask	signal.h
+cat{
+	#ifndef _mem_sigvec_sv_mask
+	#   undef _lib_sigvec
+	#endif
+	#ifdef _lib_sigprocmask
+	#    define sh_sigaction(s,action) do { sigset_t ss;\
+				sigemptyset(&ss); \
+				if(s) sigaddset(&ss,(s)); \
+				sigprocmask(action,&ss,0); \
+				}while(0)
+	#    define sigrelease(s)	sh_sigaction(s,SIG_UNBLOCK)
+	#    define sigblock(s)	 	sh_sigaction(s,SIG_BLOCK)
+	#    define sig_begin()		sh_sigaction(0,SIG_SETMASK)
+	#else
+	#   ifndef _lib_sigblock
+	#	define sigblock(s)
+	#   endif
+	#   ifdef _lib_sigsetmask
+	#       define sigrelease(s)  sigsetmask(0)
+	#       define sig_begin()    sigsetmask(0)
+	#   else
+	#	ifdef _lib_sigrelse
+	#	    define sigrelease	sigrelse
+	#	    define sig_begin()
+	#	else
+	#	    define sig_begin()		(0)
+	#	    define sigrelease(s)	(0)
+	#	endif /* _lib_sigrelse */
+	#    endif /* _lib_sigsetmask */
+	#endif /* _lib_sigprocmask */
+}end
+tst	output{
+	#include <signal.h>
+	int main()
+	{
+	#ifdef SIGRTMIN
+		printf("#undef	_SIGRTMIN\n");
+		printf("#define _SIGRTMIN	%d\n", SIGRTMIN);
+	#endif
+	#ifdef SIGRTMAX
+		printf("#undef	_SIGRTMAX\n");
+		printf("#define _SIGRTMAX	%d\n", SIGRTMAX);
+	#endif
+		return 0;
+	}
+}end