sim: callback: add check for HAVE_KILL

Fix building on systems w/out a kill function (e.g. Windows).

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 7b21b00c880e7736ced7fd03179695d6e31828df..da6511c89c97cd5c06aa76a4aac6be2f0d0ab5f2 100644 (file)
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-29  Mike Frysinger  <vapier@gentoo.org>
+
+       * callback.c [!HAVE_KILL] (os_kill): Return ENOSYS.
+
 2021-06-29  Mike Frysinger  <vapier@gentoo.org>
 
        * sim-model.c (model_option_handler): Make machp const.

diff --git a/sim/common/callback.c b/sim/common/callback.c
index f773de1c19f0dbfa6ec17f782611a237d1ea844e..39d068c4866f9d8d106fd85b3a1cb344ee9617bd 100644 (file)
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -544,11 +544,16 @@ os_getpid (host_callback *p)
 static int
 os_kill (host_callback *p, int pid, int signum)
 {
+#ifdef HAVE_KILL
   int result;
 
   result = kill (pid, signum);
   p->last_errno = errno;
   return result;
+#else
+  p->last_errno = ENOSYS;
+  return -1;
+#endif
 }
 
 static int