From 7ef8afdb1b1e1191803e492cb61cc751d25723a9 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Thu, 1 Aug 2013 23:39:34 +0000
Subject: [PATCH] add RUN_WRAP make var to run tests in qemu (app level
 emulation)

---
 Makefile             |  7 ++++--
 src/common/runtest.c | 53 +++++++++++++++++++++++++++++++-------------
 2 files changed, 43 insertions(+), 17 deletions(-)

diff --git a/Makefile b/Makefile
index dc0b6f2..13ed2cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 B:=src
 SRCS:=$(sort $(wildcard src/*/*.c))
 OBJS:=$(SRCS:src/%.c=$(B)/%.o)
+LOBJS:=$(SRCS:src/%.c=$(B)/%.lo)
 DIRS:=$(patsubst src/%/,%,$(sort $(dir $(SRCS))))
 BDIRS:=$(DIRS:%=$(B)/%)
 NAMES:=$(SRCS:src/%.c=%)
@@ -8,7 +9,7 @@ CFLAGS:=-Isrc/common -I$(B)/common
 LDLIBS:=$(B)/common/libtest.a
 AR = $(CROSS_COMPILE)ar
 RANLIB = $(CROSS_COMPILE)ranlib
-RUN_TEST = $(RUN_WRAP) $(B)/common/runtest
+RUN_TEST = $(RUN_WRAP) $(B)/common/runtest -w '$(RUN_WRAP)'
 
 all:
 %.mk:
@@ -78,7 +79,7 @@ $(B)/$(1)/run: $(B)/$(1)/cleanerr $(B)/$(1)/REPORT
 $(B)/$(1)/cleanerr:
 	rm -f $$(filter-out $(B)/$(1)/%-static.err,$$($(1).ERRS))
 $(B)/$(1)/clean:
-	rm -f $$(filter $(B)/$(1)/%,$$(OBJS) $$(BINS) $$(LIBS)) $(B)/$(1)/*.err
+	rm -f $$(filter $(B)/$(1)/%,$$(OBJS) $$(LOBJS) $$(BINS) $$(LIBS)) $(B)/$(1)/*.err
 $(B)/$(1)/REPORT: $$($(1).ERRS)
 	cat $(B)/$(1)/*.err >$$@
 run: $(B)/$(1)/run
@@ -92,6 +93,8 @@ $(B)/common/libtest.a: $(common.OBJS)
 	$(AR) rc $@ $^
 	$(RANLIB) $@
 
+$(B)/common/all: $(B)/common/runtest
+
 $(ERRS): $(B)/common/runtest | $(BDIRS)
 $(BINS) $(LIBS): $(B)/common/libtest.a
 $(OBJS): src/common/test.h | $(BDIRS)
diff --git a/src/common/runtest.c b/src/common/runtest.c
index 95e615e..28504c4 100644
--- a/src/common/runtest.c
+++ b/src/common/runtest.c
@@ -14,44 +14,66 @@ static void handler(int s)
 {
 }
 
-static int start(char *argv[])
+static int start(char *wrap, char *argv[])
 {
 	int pid;
 
 	pid = fork();
 	if (pid == 0) {
 		t_setrlim(RLIMIT_STACK, 100*1024);
-		t_setrlim(RLIMIT_CPU, 2);
-		execv(argv[0], argv);
+		if (*wrap) {
+			argv--;
+			argv[0] = wrap;
+		}
+		execvp(argv[0], argv);
 		t_error("%s exec failed: %s\n", argv[0], strerror(errno));
 		exit(1);
 	}
-	if (pid == -1) {
-		t_error("%s fork failed: %s\n", argv[0], strerror(errno));
-		exit(-1);
-	}
 	return pid;
 }
 
+static void usage(char *argv[])
+{
+	t_error("usage: %s [-t timeoutsec] [-w wrapcmd] cmd [args..]\n", argv[0]);
+	exit(-1);
+}
+
 int main(int argc, char *argv[])
 {
+	char *wrap = "";
+	int timeoutsec = 5;
+	int timeout = 0;
 	int status;
 	sigset_t set;
-	int timeout = 0;
-	int sig = 0;
+	int opt;
 	int pid;
 
-	if (argc < 2) {
-		t_error("usage: ./runtest cmd [args..]\n");
-		return -1;
+	while ((opt = getopt(argc, argv, "w:t:")) != -1) {
+		switch (opt) {
+		case 'w':
+			wrap = optarg;
+			break;
+		case 't':
+			timeoutsec = atoi(optarg);
+			break;
+		default:
+			usage(argv);
+		}
 	}
-	argv++;
+	if (optind >= argc)
+		usage(argv);
+	argv += optind;
 	sigemptyset(&set);
 	sigaddset(&set, SIGCHLD);
 	sigprocmask(SIG_BLOCK, &set, 0);
 	signal(SIGCHLD, handler);
-	pid = start(argv);
-	if (sigtimedwait(&set, 0, &(struct timespec){5,0}) == -1) {
+	pid = start(wrap, argv);
+	if (pid == -1) {
+		t_error("%s fork failed: %s\n", argv[0], strerror(errno));
+		t_printf("FAIL %s [internal]\n", argv[0]);
+		return -1;
+	}
+	if (sigtimedwait(&set, 0, &(struct timespec){timeoutsec,0}) == -1) {
 		if (errno == EAGAIN)
 			timeout = 1;
 		if (kill(pid, SIGKILL) == -1)
@@ -59,6 +81,7 @@ int main(int argc, char *argv[])
 	}
 	if (waitpid(pid, &status, 0) != pid) {
 		t_error("%s waitpid failed: %s\n", argv[0], strerror(errno));
+		t_printf("FAIL %s [internal]\n", argv[0]);
 		return -1;
 	}
 	if (WIFEXITED(status)) {
-- 
2.20.1