[__DJGPP__] (sigblock): Define trivially.

diff --git a/src/syssignal.h b/src/syssignal.h
index 0bac2acebc72281776a74e020a89b6bc79ddc754..a732301fc8d6189456a0f82e116a1541f279a56e 100644 (file)
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -119,6 +119,9 @@ sigset_t sys_sigsetmask (/*sigset_t new_mask*/);
 #ifndef BSD4_1
 #define sigfree() sigsetmask (SIGEMPTYMASK)
 #define sigholdx(sig) sigsetmask (sigmask (sig))
+#ifdef __DJGPP__
+#define sigblock(sig) 0
+#endif
 #define sigblockx(sig) sigblock (sigmask (sig))
 #define sigunblockx(sig) sigblock (SIGEMPTYMASK)
 #define sigpausex(sig) sigpause (0)