1 files changed, 86 insertions, 0 deletions
diff --git a/unit/atf-src/m4/module-signals.m4 b/unit/atf-src/m4/module-signals.m4
new file mode 100644
index 0000000..6580eb6
--- /dev/null
+++ b/unit/atf-src/m4/module-signals.m4
@@ -0,0 +1,86 @@
+dnl
+dnl Automated Testing Framework (atf)
+dnl
+dnl Copyright (c) 2008 The NetBSD Foundation, Inc.
+dnl All rights reserved.
+dnl
+dnl Redistribution and use in source and binary forms, with or without
+dnl modification, are permitted provided that the following conditions
+dnl are met:
+dnl 1. Redistributions of source code must retain the above copyright
+dnl    notice, this list of conditions and the following disclaimer.
+dnl 2. Redistributions in binary form must reproduce the above copyright
+dnl    notice, this list of conditions and the following disclaimer in the
+dnl    documentation and/or other materials provided with the distribution.
+dnl
+dnl THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+dnl CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+dnl INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+dnl MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+dnl IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+dnl DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+dnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+dnl GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+dnl IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+dnl OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+dnl IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+dnl
+
+AC_DEFUN([ATF_MODULE_SIGNALS], [
+    AC_CACHE_CHECK(
+        [for the last valid signal],
+        [kyua_cv_signal_lastno], [
+        AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdio.h>
+#include <stdlib.h>], [
+    int i;
+    FILE *f;
+
+    i = 0;
+    while (i < 1024) {
+        i++;
+        if (i != SIGKILL && i != SIGSTOP) {
+            struct sigaction sa;
+            int ret;
+
+            sa.sa_handler = SIG_IGN;
+            sigemptyset(&sa.sa_mask);
+            sa.sa_flags = 0;
+
+            ret = sigaction(i, &sa, NULL);
+            if (ret == -1) {
+                if (errno == EINVAL) {
+                    i--;
+                    break;
+                } else
+                    err(EXIT_FAILURE, "sigaction failed");
+            }
+        }
+    }
+    if (i == 100)
+        errx(EXIT_FAILURE, "too much signals");
+
+    f = fopen("conftest.cnt", "w");
+    if (f == NULL)
+        err(EXIT_FAILURE, "failed to open file");
+
+    fprintf(f, "%d\n", i);
+    fclose(f);
+
+    return EXIT_SUCCESS;
+])],
+        [if test ! -f conftest.cnt; then
+             kyua_cv_signal_lastno=15
+         else
+             kyua_cv_signal_lastno=$(cat conftest.cnt)
+             rm -f conftest.cnt
+         fi],
+        [kyua_cv_signal_lastno=15])
+    ])
+    AC_DEFINE_UNQUOTED([LAST_SIGNO], [${kyua_cv_signal_lastno}],
+                       [Define to the last valid signal number])
+])