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Port t_pipe2.c to FreeBSD

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- Omit the pipe2_nosigpipe testcase on FreeBSD (FreeBSD doesn't have
  O_NOSIGPIPE).
- Convert "fcntl(n, F_CLOSEM)" to "closefrom(n)".
- Save and restore the resource limit on the number of files (RLIMIT_NOFILE).

In collaboration with: pho
Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper 2014-10-23 06:18:28 +00:00
parent edeea1460a
commit 10ee748942
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=273520
1 changed files with 22 additions and 0 deletions
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22
contrib/netbsd-tests/lib/libc/sys/t_pipe2.c
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@ -53,7 +53,11 @@ run(int flags)
while ((i = open("/", O_RDONLY)) < 3)
ATF_REQUIRE(i != -1);
#if defined(__FreeBSD__)
closefrom(3);
#else
ATF_REQUIRE(fcntl(3, F_CLOSEM) != -1);
#endif
ATF_REQUIRE(pipe2(fd, flags) == 0);
@ -76,6 +80,7 @@ run(int flags)
ATF_REQUIRE((fcntl(fd[1], F_GETFL) & O_NONBLOCK) == 0);
}
#if !defined(__FreeBSD__)
if (flags & O_NOSIGPIPE) {
ATF_REQUIRE(fcntl(fd[0], F_GETNOSIGPIPE) != 0);
ATF_REQUIRE(fcntl(fd[1], F_GETNOSIGPIPE) != 0);
@ -83,6 +88,7 @@ run(int flags)
ATF_REQUIRE(fcntl(fd[0], F_GETNOSIGPIPE) == 0);
ATF_REQUIRE(fcntl(fd[1], F_GETNOSIGPIPE) == 0);
}
#endif
ATF_REQUIRE(close(fd[0]) != -1);
ATF_REQUIRE(close(fd[1]) != -1);
@ -110,9 +116,14 @@ ATF_TC_BODY(pipe2_consume, tc)
{
struct rlimit rl;
int err, filedes[2];
#if defined(__FreeBSD__)
int old;
closefrom(4);
#else
err = fcntl(4, F_CLOSEM);
ATF_REQUIRE(err == 0);
#endif
err = getrlimit(RLIMIT_NOFILE, &rl);
ATF_REQUIRE(err == 0);
@ -121,12 +132,19 @@ ATF_TC_BODY(pipe2_consume, tc)
* file descriptor limit in the middle of a pipe2() call - i.e.
* before the call only a single descriptor may be openend.
*/
#if defined(__FreeBSD__)
old = rl.rlim_cur;
#endif
rl.rlim_cur = 4;
err = setrlimit(RLIMIT_NOFILE, &rl);
ATF_REQUIRE(err == 0);
err = pipe2(filedes, O_CLOEXEC);
ATF_REQUIRE(err == -1);
#if defined(__FreeBSD__)
rl.rlim_cur = old;
err = setrlimit(RLIMIT_NOFILE, &rl);
#endif
}
ATF_TC(pipe2_nonblock);
@ -151,6 +169,7 @@ ATF_TC_BODY(pipe2_cloexec, tc)
run(O_CLOEXEC);
}
#if defined(__NetBSD__)
ATF_TC(pipe2_nosigpipe);
ATF_TC_HEAD(pipe2_nosigpipe, tc)
{
@ -161,6 +180,7 @@ ATF_TC_BODY(pipe2_nosigpipe, tc)
{
run(O_NOSIGPIPE);
}
#endif
ATF_TC(pipe2_einval);
ATF_TC_HEAD(pipe2_einval, tc)
@ -181,7 +201,9 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, pipe2_consume);
ATF_TP_ADD_TC(tp, pipe2_nonblock);
ATF_TP_ADD_TC(tp, pipe2_cloexec);
#if defined(__NetBSD__)
ATF_TP_ADD_TC(tp, pipe2_nosigpipe);
#endif
ATF_TP_ADD_TC(tp, pipe2_einval);
return atf_no_error();