tests: make sure traced programs and signals workv1.9

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

7 files changed, 107 insertions, 29 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index efebbb4..8677e34 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -41,6 +41,7 @@ check_PROGRAMS = \
 	opendir-0 \
 	rename-0 \
 	renameat-0 \
+	signal_static-0 \
 	symlink-0 \
 	symlinkat-0 \
 	truncate-0 \
diff --git a/tests/signal_static-0.c b/tests/signal_static-0.c
new file mode 100644
index 0000000..e50e1dc
--- /dev/null
+++ b/tests/signal_static-0.c
@@ -0,0 +1,13 @@
+/* trace code needs to handle random child signals */
+#include "tests.h"
+
+int main(int argc, char *argv[])
+{
+	if (argc == 1)
+		/* don't dump usage since testsuite will try to exec us
+		 * for possible skip status
+		 */
+		return 0;
+	else
+		return kill(getpid(), lookup_signal(argv[1]));
+}
diff --git a/tests/signal_static-1.sh b/tests/signal_static-1.sh
new file mode 100755
index 0000000..4b48078
--- /dev/null
+++ b/tests/signal_static-1.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+# make sure we catch openat with relative path
+[ "${at_xfail}" = "yes" ] && exit 77 # see trace-0
+
+# if a traced child dies due to a signal, we should pass that
+# signal value back up
+
+# POSIX dictates the numeric value of some signals, so let's just
+# go with those.  the actual number tested is the way the shell
+# works -- 128 + signal number.
+
+EXIT=-128 # hack to negate the 128 base -- we should exit with 0
+HUP=1
+INT=2
+QUIT=3
+ABRT=6
+KILL=9
+ALRM=14
+TERM=15
+for sig in EXIT HUP INT QUIT ABRT ALRM TERM ; do #KILL
+	signum=`eval echo \$sig`
+	signam="SIG${sig}"
+
+	printf "testing %s ... " "${signam}"
+	signal_static-0 ${signam}
+	test $? -eq $((128 + signum)) || exit 1
+	echo "OK"
+done
+
+exit 0
diff --git a/tests/signal_static.at b/tests/signal_static.at
new file mode 100644
index 0000000..081d7d2
--- /dev/null
+++ b/tests/signal_static.at
@@ -0,0 +1 @@
+SB_CHECK(1)
diff --git a/tests/test-skel-0.c b/tests/test-skel-0.c
index 150893f..c4de4db 100644
--- a/tests/test-skel-0.c
+++ b/tests/test-skel-0.c
@@ -9,8 +9,6 @@ const char *color_red    = "\033[31;01m";
 # define CONFIG 1
 #endif
 
-#define PAIR(x) { #x, x },
-
 int at_get_fd(const char *str_dirfd)
 {
 	if (!strcmp(str_dirfd, "AT_FDCWD"))
@@ -86,33 +84,6 @@ dev_t sscanf_dev_t(const char *str_dev)
 	return (dev_t)dev;
 }
 
-int lookup_errno(const char *str_errno)
-{
-	struct {
-		const char *name;
-		int val;
-	} const tbl[] = {
-		PAIR(EACCES)
-		PAIR(EBADF)
-		PAIR(EEXIST)
-		PAIR(EFAULT)
-		PAIR(EINVAL)
-		PAIR(EISDIR)
-		PAIR(ELOOP)
-		PAIR(ENAMETOOLONG)
-		PAIR(ENODEV)
-		PAIR(ENOENT)
-		PAIR(ENOTDIR)
-		PAIR(EPERM)
-		PAIR(ETXTBSY)
-	};
-	int i;
-	for (i = 0; i < ARRAY_SIZE(tbl); ++i)
-		if (!strcmp(str_errno, tbl[i].name))
-			return tbl[i].val;
-	return 0;
-}
-
 int main(int argc, char *argv[])
 {
 #if CONFIG
diff --git a/tests/tests.h b/tests/tests.h
index af927d0..8c8e8e6 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -5,3 +5,64 @@
 #define _stderr_pmsg(fmt, args...) _msg(stderr, fmt ": %s", ##args, strerror(errno))
 #define err(fmt, args...) ({ _stderr_msg(fmt, ##args); exit(1); })
 #define errp(fmt, args...) ({ _stderr_pmsg(fmt, ##args); exit(1); })
+
+typedef struct {
+	const char *name;
+	int val;
+} value_pair;
+#define PAIR(x) { #x, x },
+
+int lookup_val(const value_pair *tbl, const char *name)
+{
+	size_t i;
+	for (i = 0; tbl[i].name; ++i)
+		if (!strcmp(name, tbl[i].name))
+			return tbl[i].val;
+	err("unable to locate '%s'", name);
+}
+
+int lookup_errno(const char *str_errno)
+{
+	const value_pair tbl[] = {
+		PAIR(EACCES)
+		PAIR(EBADF)
+		PAIR(EEXIST)
+		PAIR(EFAULT)
+		PAIR(EINVAL)
+		PAIR(EISDIR)
+		PAIR(ELOOP)
+		PAIR(ENAMETOOLONG)
+		PAIR(ENODEV)
+		PAIR(ENOENT)
+		PAIR(ENOTDIR)
+		PAIR(EPERM)
+		PAIR(ETXTBSY)
+		{ }
+	};
+	return lookup_val(tbl, str_errno);
+}
+
+int lookup_signal(const char *str_signal)
+{
+	const value_pair tbl[] = {
+		{ "SIGEXIT", 0 },
+		PAIR(SIGABRT)
+		PAIR(SIGALRM)
+		PAIR(SIGCHLD)
+		PAIR(SIGCONT)
+		PAIR(SIGHUP)
+		PAIR(SIGILL)
+		PAIR(SIGINT)
+		PAIR(SIGKILL)
+		PAIR(SIGPIPE)
+		PAIR(SIGQUIT)
+		PAIR(SIGSEGV)
+		PAIR(SIGSTOP)
+		PAIR(SIGTRAP)
+		PAIR(SIGTERM)
+		PAIR(SIGUSR1)
+		PAIR(SIGUSR2)
+		{ }
+	};
+	return lookup_val(tbl, str_signal);
+}
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 3a299e0..cf1a3d2 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -28,6 +28,7 @@ sb_inc([rename])
 sb_inc([renameat])
 sb_inc([sb_printf])
 sb_inc([script])
+sb_inc([signal_static])
 sb_inc([symlink])
 sb_inc([symlinkat])
 sb_inc([vfork])