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-rw-r--r--test/syscalls/linux/proc.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/test/syscalls/linux/proc.cc b/test/syscalls/linux/proc.cc
index e4c030bbb..512de5ee0 100644
--- a/test/syscalls/linux/proc.cc
+++ b/test/syscalls/linux/proc.cc
@@ -183,7 +183,8 @@ PosixError WithSubprocess(SubprocessCallback const& running,
siginfo_t info;
// Wait until the child process has exited (WEXITED flag) but don't
// reap the child (WNOWAIT flag).
- waitid(P_PID, child_pid, &info, WNOWAIT | WEXITED);
+ EXPECT_THAT(waitid(P_PID, child_pid, &info, WNOWAIT | WEXITED),
+ SyscallSucceeds());
if (zombied) {
// Arg of "Z" refers to a Zombied Process.