tests/rump/rumpkern/t_signals.c

   1 /*      $NetBSD: t_signals.c,v 1.2 2011/02/20 19:45:45 pooka Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/wait.h>
  32
  33 #include <atf-c.h>
  34 #include <errno.h>
  35 #include <string.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38
  39 #include <rump/rump.h>
  40
  41 #include "../kernspace/kernspace.h"
  42 #include "../../h_macros.h"
  43
  44 ATF_TC(sigraise);
  45 ATF_TC_HEAD(sigraise, tc)
  46 {
  47
  48         atf_tc_set_md_var(tc, "descr", "RUMP_SIGMODEL_RAISE");
  49 }
  50
  51 ATF_TC(sigignore);
  52 ATF_TC_HEAD(sigignore, tc)
  53 {
  54
  55         atf_tc_set_md_var(tc, "descr", "RUMP_SIGMODEL_IGNORE");
  56 }
  57
  58 ATF_TC(sigpanic);
  59 ATF_TC_HEAD(sigpanic, tc)
  60 {
  61
  62         atf_tc_set_md_var(tc, "descr", "RUMP_SIGMODEL_PANIC");
  63 }
  64
  65 static volatile sig_atomic_t sigcnt;
  66 static void
  67 thehand(int sig)
  68 {
  69
  70         sigcnt++;
  71 }
  72
  73 ATF_TC_BODY(sigraise, tc)
  74 {
  75
  76         signal(SIGUSR2, thehand);
  77         rump_boot_setsigmodel(RUMP_SIGMODEL_RAISE);
  78
  79         rump_init();
  80         rump_schedule();
  81         rumptest_localsig(SIGUSR2);
  82         rump_unschedule();
  83         ATF_REQUIRE_EQ(sigcnt, 1);
  84 }
  85
  86 ATF_TC_BODY(sigignore, tc)
  87 {
  88
  89         rump_boot_setsigmodel(RUMP_SIGMODEL_IGNORE);
  90
  91         rump_init();
  92         rump_schedule();
  93         rumptest_localsig(SIGKILL);
  94         rump_unschedule();
  95 }
  96
  97 ATF_TC_BODY(sigpanic, tc)
  98 {
  99         int status;
 100
 101         rump_boot_setsigmodel(RUMP_SIGMODEL_PANIC);
 102
 103         switch (fork()) {
 104         case 0:
 105                 rump_init();
 106                 rump_schedule();
 107                 rumptest_localsig(SIGCONT);
 108                 /* NOTREACHED */
 109                 exit(1);
 110         default:
 111                 wait(&status);
 112                 ATF_REQUIRE(WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT);
 113                 break;
 114         case -1:
 115                 atf_tc_fail_errno("fork");
 116         }
 117 }
 118
 119 ATF_TP_ADD_TCS(tp)
 120 {
 121
 122         ATF_TP_ADD_TC(tp, sigraise);
 123         ATF_TP_ADD_TC(tp, sigignore);
 124         ATF_TP_ADD_TC(tp, sigpanic);
 125
 126         return atf_no_error();
 127 }