d30e66e53a
If wait4() or wait6() return 0 because of WNOHANG, the status, rusage and wrusage information should not be returned. PR: 212048 Reported by: Casey Lucas MFC after: 2 weeks
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*-
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* Copyright (c) 2016 Jilles Tjoelker
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/wait.h>
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#include <atf-c.h>
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#include <signal.h>
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#include <unistd.h>
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ATF_TC_WITHOUT_HEAD(waitpid_nohang);
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ATF_TC_BODY(waitpid_nohang, tc)
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{
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pid_t child, pid;
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int status, r;
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child = fork();
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ATF_REQUIRE(child != -1);
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if (child == 0) {
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sleep(10);
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_exit(1);
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}
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status = 42;
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pid = waitpid(child, &status, WNOHANG);
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ATF_REQUIRE(pid == 0);
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ATF_CHECK(status == 42);
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r = kill(child, SIGTERM);
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ATF_REQUIRE(r == 0);
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r = waitid(P_PID, child, NULL, WEXITED | WNOWAIT);
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ATF_REQUIRE(r == 0);
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status = -1;
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pid = waitpid(child, &status, WNOHANG);
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ATF_REQUIRE(pid == child);
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ATF_CHECK(WIFSIGNALED(status) && WTERMSIG(status) == SIGTERM);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, waitpid_nohang);
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return (atf_no_error());
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}
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