The warning message is cluttering the output itself,
so just report it once.
Signed-off-by: Stefan Beller <sbel...@google.com>
---
run-command.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/run-command.c b/run-command.c
index 7c00c21..3ae563f 100644
--- a/run-command.c
+++ b/run-command.c
@@ -1012,13 +1012,21 @@ static void pp_cleanup(struct parallel_processes *pp)
static void set_nonblocking(int fd)
{
+ static int reported_degrade = 0;
int flags = fcntl(fd, F_GETFL);
- if (flags < 0)
- warning("Could not get file status flags, "
- "output will be degraded");
- else if (fcntl(fd, F_SETFL, flags | O_NONBLOCK))
- warning("Could not set file status flags, "
- "output will be degraded");
+ if (flags < 0) {
+ if (!reported_degrade) {
+ warning("Could not get file status flags, "
+ "output will be degraded");
+ reported_degrade = 1;
+ }
+ } else if (fcntl(fd, F_SETFL, flags | O_NONBLOCK)) {
+ if (!reported_degrade) {
+ warning("Could not set file status flags, "
+ "output will be degraded");
+ reported_degrade = 1;
+ }
+ }
}
/* returns
--
2.6.1.247.ge8f2a41.dirty
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