Fixed symbol search for defining NSIG. It now also checks _NSIG

which some C libs define (e.g. glibc).

Added a fallback default value for NSIG which hopefully provides
enough room for signal slots.

diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index f75ec43118613423a574c5b84171a760c94d908f..1c11fdd250310917e4bf906046a1e628cca5ebb2 100644 (file)
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -35,11 +35,15 @@ redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #endif
 
 #ifndef NSIG
-#ifdef _SIGMAX
-#define NSIG (_SIGMAX + 1)     /* For QNX */
-#else
-#define NSIG (SIGMAX + 1)      /* for djgpp */
-#endif
+# if defined(_NSIG)
+#  define NSIG _NSIG           /* For BSD/SysV */
+# elif defined(_SIGMAX)
+#  define NSIG (_SIGMAX + 1)   /* For QNX */
+# elif defined(SIGMAX)
+#  define NSIG (SIGMAX + 1)    /* For djgpp */
+# else
+#  define NSIG 64              /* Use a reasonable default value */
+# endif
 #endif