AT_KEYWORDS([lockfile])
AT_CHECK([test-lockfile $1], [0], [$1: success (m4_if(
[$2], [1], [$2 child], [$2 children]))
-], [$3])
+], [stderr])
+ AT_CHECK([sed 's/pid [[0-9]]*/pid <pid>/' stderr], [0], [$3])
AT_CLEANUP])
CHECK_LOCKFILE([lock_and_unlock], [0])
CHECK_LOCKFILE([lock_blocks_other_process], [1],
[lockfile|WARN|.file.~lock~: child does not inherit lock
-lockfile|WARN|.file.~lock~: failed to lock file: Resource temporarily unavailable
+lockfile|WARN|.file.~lock~: cannot lock file because it is already locked by pid <pid>
])
CHECK_LOCKFILE([lock_twice_blocks_other_process], [1],
[lockfile|WARN|.file.~lock~: failed to lock file: Resource deadlock avoided
lockfile|WARN|.file.~lock~: child does not inherit lock
-lockfile|WARN|.file.~lock~: failed to lock file: Resource temporarily unavailable
+lockfile|WARN|.file.~lock~: cannot lock file because it is already locked by pid <pid>
])
CHECK_LOCKFILE([lock_and_unlock_allows_other_process], [1])