[src/trunk]: src/tests/syscall add a timeout test

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/274755783424
branches:  trunk
changeset: 765495:274755783424
user:      christos <christos%NetBSD.org@localhost>
date:      Sat May 28 15:34:49 2011 +0000

description:
add a timeout test

diffstat:

 tests/syscall/t_pselect.c |  63 +++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 53 insertions(+), 10 deletions(-)

diffs (113 lines):

diff -r 738a51676006 -r 274755783424 tests/syscall/t_pselect.c
--- a/tests/syscall/t_pselect.c Sat May 28 15:33:40 2011 +0000
+++ b/tests/syscall/t_pselect.c Sat May 28 15:34:49 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_pselect.c,v 1.2 2011/05/18 03:15:12 christos Exp $ */
+/*     $NetBSD: t_pselect.c,v 1.3 2011/05/28 15:34:49 christos Exp $ */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -52,7 +52,7 @@
 }
 
 static void __attribute__((__noreturn__))
-child(void)
+child(const struct timespec *ts)
 {
        struct sigaction sa;
        sigset_t set;
@@ -76,7 +76,7 @@
                fd_set rset;
                FD_ZERO(&rset);
                FD_SET(fd, &rset);
-               if (pselect(1, &rset, NULL, NULL, NULL, &set) == -1) {
+               if (pselect(1, &rset, NULL, NULL, ts, &set) == -1) {
                        if(errno == EINTR) {
                                if (!keep_going)
                                        exit(0);
@@ -85,23 +85,23 @@
        }
 }
 
-ATF_TC(pselect_signal_mask);
-ATF_TC_HEAD(pselect_signal_mask, tc)
+ATF_TC(pselect_signal_mask_with_signal);
+ATF_TC_HEAD(pselect_signal_mask_with_signal, tc)
 {
 
        /* Cf. PR lib/43625. */
-       atf_tc_set_md_var(tc, "descr",
-           "Checks pselect's temporary mask setting");
+       atf_tc_set_md_var(tc, "descr", "Checks pselect's temporary mask "
+           "setting when a signal is received");
 }
 
-ATF_TC_BODY(pselect_signal_mask, tc)
+ATF_TC_BODY(pselect_signal_mask_with_signal, tc)
 {
        pid_t pid;
        int status;
 
        switch (pid = fork()) {
        case 0:
-               child();
+               child(NULL);
        case -1:
                err(1, "fork");
        default:
@@ -123,11 +123,54 @@
        }
 }
 
+ATF_TC(pselect_signal_mask_with_timeout);
+ATF_TC_HEAD(pselect_signal_mask_with_timeout, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "Checks pselect's temporary mask "
+           "setting when a timeout occurs");
+}
+ATF_TC_BODY(pselect_signal_mask_with_timeout, tc)
+{
+       pid_t pid;
+       int status;
+       sigset_t oset, nset;
+       static const struct timespec zero = { 0, 0 };
+
+       switch (pid = fork()) {
+       case 0:
+               if (sigprocmask(SIG_BLOCK, NULL, &oset) == -1)
+                       err(1, "sigprocmask");
+               child(&zero);
+               if (sigprocmask(SIG_BLOCK, NULL, &nset) == -1)
+                       err(1, "sigprocmask");
+               if (memcmp(&oset, &nset, sizeof(oset)) != 0)
+                       atf_tc_fail("pselect() masks don't match "
+                           "after timeout");
+               break;
+       case -1:
+               err(1, "fork");
+       default:
+               usleep(500);
+               switch (waitpid(pid, &status, WNOHANG)) {
+               case -1:
+                       err(1, "wait");
+               case 0:
+                       if (kill(pid, SIGKILL) == -1)
+                               err(1, "kill");
+                       atf_tc_fail("pselect() did not receive signal");
+                       break;
+               default:
+                       break;
+               }
+       }
+}
 
 ATF_TP_ADD_TCS(tp)
 {
 
-       ATF_TP_ADD_TC(tp, pselect_signal_mask);
+       ATF_TP_ADD_TC(tp, pselect_signal_mask_with_signal);
+       ATF_TP_ADD_TC(tp, pselect_signal_mask_with_timeout);
 
        return atf_no_error();
 }