pipecmd: close fds in child.

[ccan] / ccan / pipecmd / pipecmd.h

diff --git a/ccan/pipecmd/pipecmd.h b/ccan/pipecmd/pipecmd.h
index 5bbaefc01234699e23ab719d2495161f9ae1b935..3c169ade32fa06694022f4f7b8fc94bf4863a615 100644 (file)
--- a/ccan/pipecmd/pipecmd.h
+++ b/ccan/pipecmd/pipecmd.h
@@ -20,7 +20,8 @@
  * If @errfd == @outfd (and non-NULL) they will be shared.
  * If @infd, @outfd or @errfd is &pipecmd_preserve, it is unchanged.
  *
- * The return value is the pid of the child, or -1.
+ * The return value is the pid of the child, or -1.  All other file-descriptors
+ * are closed in the child.
  */
 pid_t pipecmd(int *infd, int *outfd, int *errfd, const char *cmd, ...);