From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 6 Apr 2018 07:26:26 +0000 (+0930)
Subject: ptr_valid: fix spurious SIGINT under lldb on MacOS
X-Git-Url: https://git.ozlabs.org/?a=commitdiff_plain;h=0dc646755921a05961442f5f11faf5ce7007f558;p=ccan

ptr_valid: fix spurious SIGINT under lldb on MacOS

(Taken from PR for lightning)

Patch-from: https://github.com/conanoc
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---

diff --git a/ccan/ptr_valid/ptr_valid.c b/ccan/ptr_valid/ptr_valid.c
index dc61dd27..79319840 100644
--- a/ccan/ptr_valid/ptr_valid.c
+++ b/ccan/ptr_valid/ptr_valid.c
@@ -161,7 +161,7 @@ static void finish_child(struct ptr_valid_batch *batch)
 {
 	close(batch->to_child);
 	close(batch->from_child);
-	waitpid(batch->child_pid, NULL, 0);
+	while (waitpid(batch->child_pid, NULL, 0) < 0 && errno == EINTR);
 	batch->child_pid = 0;
 }