Adjust futex regress test since futex(2) now returns -1 on error and sets

errno like any normal syscall.

ok mpi@, bluhm@

diff --git a/regress/sys/kern/futex/futex.c b/regress/sys/kern/futex/futex.c
index 61816f2..018e1c6 100644 (file)
--- a/regress/sys/kern/futex/futex.c
+++ b/regress/sys/kern/futex/futex.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: futex.c,v 1.3 2018/08/26 06:50:30 visa Exp $ */
+/*     $OpenBSD: futex.c,v 1.4 2021/06/11 10:30:36 kettenis Exp $ */
 /*
  * Copyright (c) 2017 Martin Pieuchot
  *
@@ -48,16 +48,20 @@ main(int argc, char *argv[])
        int fd, i, status;
 
        /* Invalid operation */
-       assert(futex(&lock, 0xFFFF, 0, 0, NULL) == ENOSYS);
+       assert(futex(&lock, 0xFFFF, 0, 0, NULL) == -1);
+       assert(errno == ENOSYS);
 
        /* Incorrect pointer */
-       assert(futex_twait((void *)0xdeadbeef, 1, 0, NULL, 0) == EFAULT);
+       assert(futex_twait((void *)0xdeadbeef, 1, 0, NULL, 0) == -1);
+       assert(errno == EFAULT);
 
        /* If (lock != 1) return EAGAIN */
-       assert(futex_twait(&lock, 1, 0, NULL, 0) == EAGAIN);
+       assert(futex_twait(&lock, 1, 0, NULL, 0) == -1);
+       assert(errno == EAGAIN);
 
        /* Deadlock for 5000ns */
-       assert(futex_twait(&lock, 0, CLOCK_REALTIME, &tmo, 0) == ETIMEDOUT);
+       assert(futex_twait(&lock, 0, CLOCK_REALTIME, &tmo, 0) == -1);
+       assert(errno == ETIMEDOUT);
 
        /* Interrupt a thread waiting on a futex. */
        memset(&sa, 0, sizeof(sa));
@@ -110,7 +114,8 @@ main(int argc, char *argv[])
                        tmo.tv_sec = 0;
                        tmo.tv_nsec = 200000000;
                        assert(futex_twait(shlock, 0, CLOCK_REALTIME, &tmo,
-                           (i & 2) ? FUTEX_PRIVATE_FLAG : 0) == ETIMEDOUT);
+                           (i & 2) ? FUTEX_PRIVATE_FLAG : 0) == -1);
+                       assert(errno == ETIMEDOUT);
                        assert(waitpid(pid, &status, 0) == pid);
                        assert(WIFEXITED(status));
                        assert(WEXITSTATUS(status) == 0);
@@ -131,7 +136,8 @@ void *
 signaled(void *arg)
 {
        /* Wait until receiving a signal. */
-       assert(futex_twait(&lock, 0, 0, NULL, 0) == EINTR);
+       assert(futex_twait(&lock, 0, 0, NULL, 0) == -1);
+       assert(errno == EINTR);
        return NULL;
 }