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print diagnostic when eof on stderr

This commit is contained in:
Daniel Barlow 2024-09-15 21:59:24 +01:00
parent 44762d38fc
commit 21eeb1671e
1 changed files with 5 additions and 2 deletions
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7
pkgs/logshipper/logtee.c
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@ -70,7 +70,8 @@ int main(int argc, char * argv[]) {
int flags = fcntl(STDOUT_FILENO, F_GETFL);
fcntl(STDOUT_FILENO, F_SETFL, flags | O_NONBLOCK);
while(1) {
int quitting = 0;
while(! quitting) {
int nfds = poll(fds, 3, 2000);
if(nfds > 0) {
if((fds[0].revents & (POLLIN|POLLHUP)) &&
@ -78,7 +79,9 @@ int main(int argc, char * argv[]) {
(tee_bytes == 0)) {
out_bytes = read(fds[0].fd, buf, 8192);
if(out_bytes == 0) {
exit(0);
quitting = 1;
buf = "logtee detected eof of file on stdin, exiting\n";
out_bytes = strlen(buf);
};
if(is_connected()) tee_bytes = out_bytes;
};