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| author | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-09 15:52:17 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2022-12-09 15:52:17 -0400 |
| commit | d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a (patch) | |
| tree | 4d714ecd331233069ab718989bb017dfd934e129 /tools/testing/selftests/pidfd/pidfd_wait.c | |
| parent | 6cfe7bd0dfd33033683639039b5608d6534c19eb (diff) | |
| parent | 76dcd734eca23168cb008912c0f69ff408905235 (diff) | |
| download | lwn-d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a.tar.gz lwn-d69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a.zip | |
Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'tools/testing/selftests/pidfd/pidfd_wait.c')
| -rw-r--r-- | tools/testing/selftests/pidfd/pidfd_wait.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/testing/selftests/pidfd/pidfd_wait.c b/tools/testing/selftests/pidfd/pidfd_wait.c index 070c1c876df1..0dcb8365ddc3 100644 --- a/tools/testing/selftests/pidfd/pidfd_wait.c +++ b/tools/testing/selftests/pidfd/pidfd_wait.c @@ -95,20 +95,28 @@ TEST(wait_states) .flags = CLONE_PIDFD | CLONE_PARENT_SETTID, .exit_signal = SIGCHLD, }; + int pfd[2]; pid_t pid; siginfo_t info = { .si_signo = 0, }; + ASSERT_EQ(pipe(pfd), 0); pid = sys_clone3(&args); ASSERT_GE(pid, 0); if (pid == 0) { + char buf[2]; + + close(pfd[1]); kill(getpid(), SIGSTOP); + ASSERT_EQ(read(pfd[0], buf, 1), 1); + close(pfd[0]); kill(getpid(), SIGSTOP); exit(EXIT_SUCCESS); } + close(pfd[0]); ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WSTOPPED, NULL), 0); ASSERT_EQ(info.si_signo, SIGCHLD); ASSERT_EQ(info.si_code, CLD_STOPPED); @@ -117,6 +125,8 @@ TEST(wait_states) ASSERT_EQ(sys_pidfd_send_signal(pidfd, SIGCONT, NULL, 0), 0); ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL), 0); + ASSERT_EQ(write(pfd[1], "C", 1), 1); + close(pfd[1]); ASSERT_EQ(info.si_signo, SIGCHLD); ASSERT_EQ(info.si_code, CLD_CONTINUED); ASSERT_EQ(info.si_pid, parent_tid); @@ -138,7 +148,7 @@ TEST(wait_states) TEST(wait_nonblock) { - int pidfd, status = 0; + int pidfd; unsigned int flags = 0; pid_t parent_tid = -1; struct clone_args args = { |