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t_wait.c revision 1.1
      1 /* $NetBSD: t_wait.c,v 1.1 2016/04/06 00:45:53 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2016 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: t_wait.c,v 1.1 2016/04/06 00:45:53 christos Exp $");
     33 
     34 #include <sys/wait.h>
     35 #include <sys/resource.h>
     36 
     37 #include <stdio.h>
     38 #include <errno.h>
     39 #include <limits.h>
     40 #include <pwd.h>
     41 #include <signal.h>
     42 #include <stdlib.h>
     43 #include <unistd.h>
     44 
     45 #include <atf-c.h>
     46 
     47 ATF_TC(wait6_invalid);
     48 ATF_TC_HEAD(wait6_invalid, tc)
     49 {
     50 	atf_tc_set_md_var(tc, "descr",
     51 	    "Test that wait6(2) returns EINVAL with 0 options");
     52 }
     53 
     54 ATF_TC_BODY(wait6_invalid, tc)
     55 {
     56 	siginfo_t si;
     57 	struct wrusage wru;
     58 	int st;
     59 	ATF_REQUIRE(wait6(P_ALL, 0, &st, 0, &wru, &si) == -1
     60 	    && errno == EINVAL);
     61 }
     62 
     63 ATF_TC(wait6_noproc);
     64 ATF_TC_HEAD(wait6_noproc, tc)
     65 {
     66 	atf_tc_set_md_var(tc, "descr",
     67 	    "Test that wait6(2) returns ECHILD with for no processes");
     68 }
     69 
     70 ATF_TC_BODY(wait6_noproc, tc)
     71 {
     72 	siginfo_t si;
     73 	struct wrusage wru;
     74 	int st;
     75 	ATF_REQUIRE(wait6(P_ALL, 0, &st, WEXITED, &wru, &si) == -1
     76 	    && errno == ECHILD);
     77 }
     78 
     79 ATF_TC(wait6_exited);
     80 ATF_TC_HEAD(wait6_exited, tc)
     81 {
     82 	atf_tc_set_md_var(tc, "descr",
     83 	    "Test that wait6(2) handled exiting process and code");
     84 }
     85 
     86 ATF_TC_BODY(wait6_exited, tc)
     87 {
     88 	siginfo_t si;
     89 	struct wrusage wru;
     90 	int st;
     91 	pid_t pid;
     92 
     93 	switch (pid = fork()) {
     94 	case -1:
     95 		ATF_REQUIRE(pid == 0);
     96 	case 0:
     97 		exit(0x5a5a5a5a);
     98 		/*NOTREACHED*/
     99 	default:
    100 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
    101 		ATF_REQUIRE(WIFEXITED(st) && WEXITSTATUS(st) == 0x5a);
    102 		ATF_REQUIRE(si.si_status = 0x5a5a5a5a);
    103 		ATF_REQUIRE(si.si_pid == pid);
    104 		ATF_REQUIRE(si.si_uid == getuid());
    105 		ATF_REQUIRE(si.si_code == CLD_EXITED);
    106 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    107 		    (uintmax_t)si.si_utime);
    108 		break;
    109 	}
    110 }
    111 
    112 ATF_TC(wait6_terminated);
    113 ATF_TC_HEAD(wait6_terminated, tc)
    114 {
    115 	atf_tc_set_md_var(tc, "descr",
    116 	    "Test that wait6(2) handled terminated process and code");
    117 }
    118 
    119 ATF_TC_BODY(wait6_terminated, tc)
    120 {
    121 	siginfo_t si;
    122 	struct wrusage wru;
    123 	int st;
    124 	pid_t pid;
    125 
    126 	switch (pid = fork()) {
    127 	case 0:
    128 		sleep(100);
    129 		/*FALLTHROUGH*/
    130 	case -1:
    131 		ATF_REQUIRE(pid == 0);
    132 	default:
    133 		ATF_REQUIRE(kill(pid, SIGTERM) == 0);
    134 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
    135 		ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGTERM);
    136 		ATF_REQUIRE(si.si_status == SIGTERM);
    137 		ATF_REQUIRE(si.si_pid == pid);
    138 		ATF_REQUIRE(si.si_uid == getuid());
    139 		ATF_REQUIRE(si.si_code == CLD_KILLED);
    140 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    141 		    (uintmax_t)si.si_utime);
    142 		break;
    143 	}
    144 }
    145 
    146 ATF_TC(wait6_coredumped);
    147 ATF_TC_HEAD(wait6_coredumped, tc)
    148 {
    149 	atf_tc_set_md_var(tc, "descr",
    150 	    "Test that wait6(2) handled coredumped process and code");
    151 }
    152 
    153 ATF_TC_BODY(wait6_coredumped, tc)
    154 {
    155 	siginfo_t si;
    156 	struct wrusage wru;
    157 	int st;
    158 	pid_t pid;
    159 	static const struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
    160 
    161 	switch (pid = fork()) {
    162 	case 0:
    163 		ATF_REQUIRE(setrlimit(RLIMIT_CORE, &rl) == 0);
    164 		*(char *)8 = 0;
    165 		/*FALLTHROUGH*/
    166 	case -1:
    167 		ATF_REQUIRE(pid == 0);
    168 	default:
    169 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
    170 		ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGSEGV
    171 		    && WCOREDUMP(st));
    172 		ATF_REQUIRE(si.si_status == SIGSEGV);
    173 		ATF_REQUIRE(si.si_pid == pid);
    174 		ATF_REQUIRE(si.si_uid == getuid());
    175 		ATF_REQUIRE(si.si_code == CLD_DUMPED);
    176 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    177 		    (uintmax_t)si.si_utime);
    178 		break;
    179 	}
    180 }
    181 
    182 ATF_TC(wait6_stop_and_go);
    183 ATF_TC_HEAD(wait6_stop_and_go, tc)
    184 {
    185 	atf_tc_set_md_var(tc, "descr",
    186 	    "Test that wait6(2) handled stopped/continued process and code");
    187 }
    188 
    189 ATF_TC_BODY(wait6_stop_and_go, tc)
    190 {
    191 	siginfo_t si;
    192 	struct wrusage wru;
    193 	int st;
    194 	pid_t pid;
    195 	static const struct rlimit rl = { 0, 0 };
    196 
    197 	switch (pid = fork()) {
    198 	case 0:
    199 		ATF_REQUIRE(setrlimit(RLIMIT_CORE, &rl) == 0);
    200 		sleep(100);
    201 		/*FALLTHROUGH*/
    202 	case -1:
    203 		ATF_REQUIRE(pid == 0);
    204 	default:
    205 		ATF_REQUIRE(kill(pid, SIGSTOP) == 0);
    206 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WSTOPPED, &wru, &si));
    207 		ATF_REQUIRE(WIFSTOPPED(st) && WSTOPSIG(st) == SIGSTOP);
    208 		ATF_REQUIRE(si.si_status == SIGSTOP);
    209 		ATF_REQUIRE(si.si_pid == pid);
    210 		ATF_REQUIRE(si.si_uid == getuid());
    211 		ATF_REQUIRE(si.si_code == CLD_STOPPED);
    212 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    213 		    (uintmax_t)si.si_utime);
    214 
    215 		ATF_REQUIRE(kill(pid, SIGCONT) == 0);
    216 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WCONTINUED, &wru, &si));
    217 		ATF_REQUIRE(WIFSTOPPED(st) && WSTOPSIG(st) == SIGCONT);
    218 		ATF_REQUIRE(si.si_status == SIGCONT);
    219 		ATF_REQUIRE(si.si_pid == pid);
    220 		ATF_REQUIRE(si.si_uid == getuid());
    221 		ATF_REQUIRE(si.si_code == CLD_CONTINUED);
    222 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    223 		    (uintmax_t)si.si_utime);
    224 
    225 		ATF_REQUIRE(kill(pid, SIGQUIT) == 0);
    226 		ATF_REQUIRE(!wait6(P_PID, pid, &st, WEXITED, &wru, &si));
    227 		ATF_REQUIRE(WIFSIGNALED(st) && WTERMSIG(st) == SIGQUIT);
    228 		ATF_REQUIRE(si.si_status == SIGQUIT);
    229 		ATF_REQUIRE(si.si_pid == pid);
    230 		ATF_REQUIRE(si.si_uid == getuid());
    231 		ATF_REQUIRE(si.si_code == CLD_KILLED);
    232 		printf("user: %ju system: %ju\n", (uintmax_t)si.si_utime,
    233 		    (uintmax_t)si.si_utime);
    234 		break;
    235 	}
    236 }
    237 
    238 ATF_TP_ADD_TCS(tp)
    239 {
    240 
    241 	ATF_TP_ADD_TC(tp, wait6_invalid);
    242 	ATF_TP_ADD_TC(tp, wait6_noproc);
    243 	ATF_TP_ADD_TC(tp, wait6_exited);
    244 	ATF_TP_ADD_TC(tp, wait6_terminated);
    245 	ATF_TP_ADD_TC(tp, wait6_coredumped);
    246 	ATF_TP_ADD_TC(tp, wait6_stop_and_go);
    247 
    248 	return atf_no_error();
    249 }
    250