[Tarantool-patches] [PATCH 04/13] popen: add logging of fds closed in a child

[Alexander Turenko]

It is useful for debugging popen behaviour around file descriptors.

Part of #4031
---
 src/lib/core/popen.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/core/popen.c b/src/lib/core/popen.c
index 3fcbc325a..9d4e6ef3a 100644
--- a/src/lib/core/popen.c
+++ b/src/lib/core/popen.c
@@ -579,6 +579,8 @@ close_inherited_fds(int *skip_fds, size_t nr_skip_fds)
 		if (fd_no == -1)
 			continue;
 
+		say_debug("popen: close inherited fd [%s:%d]", stdX_str(fd_no),
+			  fd_no);
 		if (close(fd_no)) {
 			int saved_errno = errno;
 			diag_set(SystemError, "fdin: Can't close %d", fd_no);
-- 
2.25.0