shithub: scc

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ref: aec67e43c52fcc1857d00d498d82189bbf0f680a
parent: 26cb2d03bbed1ee32a387d34a99fbd224f1719a5
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Mon Sep 3 11:07:10 EDT 2018 

[tests/libc] Add 0007-signal test


--- /dev/null
+++ b/tests/libc/execute/0007-signal.c
@@ -1,0 +1,168 @@
+#include <assert.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdio.h>
+
+sig_atomic_t abrt, fpe, iint, segv, term, def;
+jmp_buf recover;
+
+/*
+output:
+test 1
+test 2
+test 3
+test 4
+end:
+*/
+
+void
+handler1(int sig)
+{
+	switch (sig) {
+	case SIGABRT:
+		abrt = 1;
+		break;
+	case SIGFPE:
+		fpe = 1;
+		break;
+	case SIGINT:
+		iint = 1;
+		break;
+	case SIGSEGV:
+		segv = 1;
+		break;
+	case SIGTERM:
+		term = 1;
+		break;
+	default:
+		def = 1;
+		break;
+	}
+}
+
+void
+handler2(int sig)
+{
+	switch (sig) {
+	case SIGABRT:
+		abrt = 1;
+		break;
+	case SIGFPE:
+		fpe = 1;
+		break;
+	case SIGINT:
+		iint = 1;
+		break;
+	case SIGSEGV:
+		segv = 1;
+		break;
+	case SIGTERM:
+		term = 1;
+		break;
+	default:
+		def = 1;
+		break;
+	}
+	longjmp(recover, 1);
+}
+
+void
+test1()
+{
+	puts("test 1");
+	assert(signal(SIGABRT, handler1) == SIG_DFL);
+	assert(signal(SIGFPE, handler1) == SIG_DFL);
+	assert(signal(SIGINT, handler1) == SIG_DFL);
+	assert(signal(SIGSEGV, handler1) == SIG_DFL);
+	assert(signal(SIGTERM, handler1) == SIG_DFL);
+}
+
+void
+test2()
+{
+	puts("test 2");
+	term = abrt = fpe = iint = segv = 0;
+	assert(signal(SIGABRT, handler1) == handler1);
+	assert(signal(SIGFPE, handler1) == handler1);
+	assert(signal(SIGINT, handler1) == handler1);
+	assert(signal(SIGSEGV, handler1) == handler1);
+	assert(signal(SIGTERM, handler1) == handler1);
+
+	assert(raise(SIGABRT) != -1);
+	assert(raise(SIGFPE) != -1);
+	assert(raise(SIGINT) != -1);
+	assert(raise(SIGSEGV) != -1);
+	assert(raise(SIGTERM) != -1);
+
+	if (!abrt || !fpe || !iint || !segv || !term)
+		printf("a handled signal was missed: %d %d %d %d %d\n",
+		       abrt, fpe, iint, segv, term);
+	if (def)
+		puts("a wrong signal was received");
+}
+
+void
+test3()
+{
+	puts("test 3");
+	def = abrt = term = fpe = iint = segv = 0;
+	assert(signal(SIGABRT, SIG_IGN) == handler1);
+	assert(signal(SIGFPE, SIG_IGN) == handler1);
+	assert(signal(SIGINT, SIG_IGN) == handler1);
+	assert(signal(SIGSEGV, SIG_IGN) == handler1);
+	assert(signal(SIGTERM, SIG_IGN) == handler1);
+
+	assert(raise(SIGABRT) != -1);
+	assert(raise(SIGFPE) != -1);
+	assert(raise(SIGINT) != -1);
+	assert(raise(SIGSEGV) != -1);
+	assert(raise(SIGTERM) != -1);
+
+	if (abrt || fpe || iint || segv || term)
+		printf("a handled signal was received: %d %d %d %d %d\n",
+		       abrt, fpe, iint, segv, term);
+	if (def)
+		puts("a wrong signal was received");
+}
+
+void
+test4()
+{
+	puts("test 4");
+	def = abrt = term = fpe = iint = segv = 0;
+	assert(signal(SIGABRT, handler2) == SIG_IGN);
+	assert(signal(SIGFPE, handler2) == SIG_IGN);
+	assert(signal(SIGINT, handler2) == SIG_IGN);
+	assert(signal(SIGSEGV, handler2) == SIG_IGN);
+	assert(signal(SIGTERM, handler2) == SIG_IGN);
+
+	if (!setjmp(recover))
+		assert(raise(SIGABRT) != -1);
+	if (!setjmp(recover))
+		assert(raise(SIGFPE) != -1);
+	if (!setjmp(recover))
+		assert(raise(SIGINT) != -1);
+	if (!setjmp(recover))
+		assert(raise(SIGSEGV) != -1);
+	if (!setjmp(recover))
+		assert(raise(SIGTERM) != -1);
+
+	if (!abrt || !fpe || !iint || !segv || !term)
+		printf("a handled signal was missed: %d %d %d %d %d\n",
+		       abrt, fpe, iint, segv, term);
+	if (def)
+		puts("a wrong signal was received");
+}
+
+int
+main()
+{
+	assert(SIG_ERR != SIG_IGN && SIG_ERR != SIG_DFL);
+
+	test1();
+	test2();
+	test3();
+	test4();
+
+	return;
+}
--- a/tests/libc/execute/Makefile
+++ b/tests/libc/execute/Makefile
@@ -1,6 +1,8 @@
 .POSIX:
 
-ROOT=../../../rootdir
+ROOT   = ../../../rootdir
+CFLAGS =
+CC     = SCCPREFIX=$(ROOT) ./cc.sh
 
 all: tests
 
@@ -9,4 +11,3 @@
 
 clean:
 	rm -f *.o *core a.out test.log
-
--- a/tests/libc/execute/cc.sh
+++ b/tests/libc/execute/cc.sh
@@ -34,13 +34,17 @@
 root=${root:-$SCCPREFIX}
 inc=$root/include/scc
 arch_inc=$root/include/scc/bits/$abi
+sys_inc=$root/include/scc/bits/$sys
 lib=$root/lib/scc/${abi}-${sys}
 obj=${1%.c}.o
 
+includes="-nostdinc -I$inc -I$arch_inc -I$sys_inc"
+flags="-std=c99 -g -w -fno-stack-protector --freestanding -static"
+
 if ! gcc -nopie 2>&1 | grep unrecogn >/dev/null
 then
 	pie=-nopie
 fi
 
-gcc -std=c99 -g -w $pie -fno-stack-protector --freestanding -std=c99 -static -nostdinc -I$inc -I$arch_inc -c $1
+gcc $flags $pie $includes -c $1
 ld -g $pie -z nodefaultlib -static -L$lib $lib/crt.o $obj -lc -o $out
--- a/tests/libc/execute/libc-tests.lst
+++ b/tests/libc/execute/libc-tests.lst
@@ -4,3 +4,4 @@
 0004-abort
 0005-ctype
 0006-limits
+0007-signal