Strengthen the pledge() polyfill

test/libc/runtime/ape_test.c

@@ -32,6 +32,11 @@ STATIC_YOINK("apetest2.com");
 
 char testlib_enable_tmp_setup_teardown_once;
 
+__attribute__((__constructor__)) static void init(void) {
+  // TODO(jart): What's up with RHEL5 / RHEL7?
+  // pledge("stdio rpath wpath cpath tty proc exec", 0);
+}
+
 void Extract(const char *from, const char *to, int mode) {
   ASSERT_SYS(0, 3, open(from, O_RDONLY));
   ASSERT_SYS(0, 4, creat(to, mode));

test/libc/runtime/arch_prctl_test.c

@@ -21,6 +21,10 @@
 #include "libc/dce.h"
 #include "libc/testlib/testlib.h"
 
+__attribute__((__constructor__)) static void init(void) {
+  pledge("stdio rpath", 0);
+}
+
 TEST(arch_prctl, fs) {
   if (IsLinux() || IsOpenbsd()) {
     uint64_t n, x;

test/libc/runtime/clone_test.c

@@ -42,6 +42,10 @@ char *stack, *tls;
 int x, me, tid, *childetid;
 _Atomic(int) thechilde;
 
+__attribute__((__constructor__)) static void init(void) {
+  pledge("stdio rpath thread", 0);
+}
+
 void SetUp(void) {
   x = 0;
   me = gettid();

test/libc/runtime/fork_test.c

@@ -29,6 +29,10 @@
 #include "libc/testlib/ezbench.h"
 #include "libc/testlib/testlib.h"
 
+__attribute__((__constructor__)) static void init(void) {
+  pledge("stdio rpath proc", 0);
+}
+
 TEST(fork, testPipes) {
   int a, b;
   int ws, pid;

test/libc/runtime/memtrack_test.c

@@ -16,6 +16,7 @@
 │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
 │ PERFORMANCE OF THIS SOFTWARE.                                                │
 ╚─────────────────────────────────────────────────────────────────────────────*/
+#include "libc/calls/calls.h"
 #include "libc/errno.h"
 #include "libc/intrin/kprintf.h"
 #include "libc/limits.h"
@@ -30,6 +31,10 @@
 #define I(x, y) \
   { x, y, 0, (y - x) * FRAMESIZE + FRAMESIZE }
 
+__attribute__((__constructor__)) static void init(void) {
+  pledge("stdio rpath", 0);
+}
+
 static bool AreMemoryIntervalsEqual(const struct MemoryIntervals *mm1,
                                     const struct MemoryIntervals *mm2) {
   if (mm1->i != mm2->i) return false;

test/libc/runtime/mmap_test.c

@@ -48,6 +48,10 @@
 
 char testlib_enable_tmp_setup_teardown;
 
+__attribute__((__constructor__)) static void init(void) {
+  pledge("stdio rpath wpath cpath proc", 0);
+}
+
 TEST(mmap, zeroSize) {
   ASSERT_SYS(EINVAL, MAP_FAILED,
              mmap(NULL, 0, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0));