D17035.id47677.diff
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D17035.id47677.diff
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	Index: sbin/mdmfs/mdmfs.c
	===================================================================
	--- sbin/mdmfs/mdmfs.c
	+++ sbin/mdmfs/mdmfs.c
	@@ -674,8 +674,12 @@
	* Run a process with command name and arguments pointed to by the
	* formatted string 'cmdline'. Since system(3) is not used, the first
	* space-delimited token of 'cmdline' must be the full pathname of the
	- * program to run. The return value is the return code of the process
	- * spawned. If 'ofd' is non-NULL, it is set to the standard output of
	+ * program to run.
	+ *
	+ * The return value is the return code of the process spawned, or a negative
	+ * signal number, if the process exited due to an uncaught signal.
	+ *
	+ * If 'ofd' is non-NULL, it is set to the standard output of
	* the program spawned (i.e., you can read from ofd and get the output
	* of the program).
	*/
	@@ -771,7 +775,12 @@
	free(argv);
	while (waitpid(pid, &status, 0) != pid)
	;
	- return (WEXITSTATUS(status));
	+ if (WIFEXITED(status))
	+ return (WEXITSTATUS(status));
	+ else if (WIFSIGNALED(status))
	+ return (-WTERMSIG(status));
	+ else
	+ err(1, "unexpected waitpid status: 0x%x", status);
	}

	static void