feature/native-comp 68fad7a: Do not block SIGIO in platforms that don't have it.

[Andrea Corallo]

branch: feature/native-comp
commit 68fad7a8fc98d41284c4054dd7b53fbb0d990cba
Author: Nicolás Bértolo <address@hidden>
Commit: Andrea Corallo <address@hidden>

    Do not block SIGIO in platforms that don't have it.
    
    * src/comp.c (comp--compile-ctxt-to-file): Add a preprocessor check to
    avoid blocking SIGIO in platforms that don't have it.
    
    Signed-off-by: Andrea Corallo <address@hidden>
---
 src/comp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/comp.c b/src/comp.c
index c9426d1..87b86dd 100644
--- a/src/comp.c
+++ b/src/comp.c
@@ -3364,7 +3364,9 @@ DEFUN ("comp--compile-ctxt-to-file", 
Fcomp__compile_ctxt_to_file,
       sigemptyset (&blocked);
       sigaddset (&blocked, SIGALRM);
       sigaddset (&blocked, SIGINT);
+#ifdef USABLE_SIGIO
       sigaddset (&blocked, SIGIO);
+#endif
       pthread_sigmask (SIG_BLOCK, &blocked, &oldset);
     }
   emit_ctxt_code ();