1 files changed, 136 insertions, 0 deletions

diff --git a/src/regress/lib/libc/setjmp/jmptest.c b/src/regress/lib/libc/setjmp/jmptest.c
new file mode 100644
index 0000000000..9512c9ee34
--- /dev/null
+++ b/src/regress/lib/libc/setjmp/jmptest.c
@@ -0,0 +1,136 @@
+/*      $OpenBSD: jmptest.c,v 1.7 2003/09/02 23:52:16 david Exp $       */
+/*      $NetBSD: jmptest.c,v 1.2 1995/01/01 20:55:35 jtc Exp $  */
+
+/*
+ * Copyright (c) 1994 Christopher G. Demetriou
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Christopher G. Demetriou
+ *      for the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <err.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#if (TEST_SETJMP + TEST_U_SETJMP + TEST_SIGSETJMP) != 1
+#error one of TEST_SETJMP, TEST_U_SETJMP, or TEST_SIGSETJMP must be defined
+#endif
+
+#ifdef TEST_SETJMP
+#define BUF             jmp_buf
+#define SET(b, m)       setjmp(b)
+#define JMP(b, v)       longjmp(b, v)
+#endif
+
+#ifdef TEST_U_SETJMP
+#define BUF             jmp_buf
+#define SET(b, m)       _setjmp(b)
+#define JMP(b, v)       _longjmp(b, v)
+#endif
+
+#ifdef TEST_SIGSETJMP
+#define BUF             sigjmp_buf
+#define SET(b, m)       sigsetjmp(b, m)
+#define JMP(b, v)       siglongjmp(b, v)
+#endif
+
+int expectsignal;
+
+static void
+aborthandler(int signo)
+{
+
+        if (expectsignal)
+                _exit(0);
+        else {
+                warnx("kill(SIGABRT) succeeded");
+                _exit(1);
+        }
+}
+
+int
+main(int argc, char *argv[])
+{
+        struct sigaction sa;
+        BUF jb;
+        sigset_t ss;
+        int i, x;
+
+        i = getpid();
+
+#ifdef TEST_SETJMP
+        expectsignal = 0;
+#endif
+#ifdef TEST_U_SETJMP
+        expectsignal = 1;
+#endif
+#ifdef TEST_SIGSETJMP
+        if (argc != 2 ||
+            (strcmp(argv[1], "save") && strcmp(argv[1], "nosave"))) {
+                fprintf(stderr, "usage: %s [save|nosave]\n", argv[0]);
+                exit(1);
+        }
+        expectsignal = (strcmp(argv[1], "save") != 0);
+#endif
+
+        sa.sa_handler = aborthandler;
+        sigemptyset(&sa.sa_mask);
+        sa.sa_flags = 0;
+        if (sigaction(SIGABRT, &sa, NULL) == -1)
+                err(1, "sigaction failed");
+
+        if (sigemptyset(&ss) == -1)
+                err(1, "sigemptyset failed");
+        if (sigaddset(&ss, SIGABRT) == -1)
+                err(1, "sigaddset failed");
+        if (sigprocmask(SIG_BLOCK, &ss, NULL) == -1)
+                err(1, "sigprocmask (1) failed");
+
+        x = SET(jb, !expectsignal);
+        if (x != 0) {
+                if (x != i)
+                        errx(1, "setjmp returned wrong value");
+
+                kill(i, SIGABRT);
+                if (expectsignal)
+                        errx(1, "kill(SIGABRT) failed");
+                else
+                        exit(0);
+        }
+
+        if (sigprocmask(SIG_UNBLOCK, &ss, NULL) == -1)
+                err(1, "sigprocmask (2) failed");
+
+        JMP(jb, i);
+
+        errx(1, "jmp failed");
+}