diff options
Diffstat (limited to 'src/tail.c')
| -rw-r--r-- | src/tail.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/tail.c b/src/tail.c index 03061e8bf..e2e7f4690 100644 --- a/src/tail.c +++ b/src/tail.c @@ -1222,6 +1222,7 @@ tail_forever (struct File_spec *f, size_t n_files, double sleep_interval) f[i].blocking = blocking; } + bool read_unchanged = false; if (!f[i].blocking) { if (fstat (fd, &stats) != 0) @@ -1244,9 +1245,14 @@ tail_forever (struct File_spec *f, size_t n_files, double sleep_interval) recheck (&f[i], f[i].blocking); f[i].n_unchanged_stats = 0; } - continue; + if (fd != f[i].fd || S_ISREG (stats.st_mode) || 1 < n_files) + continue; + else + read_unchanged = true; } + assert (fd == f[i].fd); + /* This file has changed. Print out what we can, and then keep looping. */ @@ -1254,7 +1260,8 @@ tail_forever (struct File_spec *f, size_t n_files, double sleep_interval) f[i].mode = stats.st_mode; /* reset counter */ - f[i].n_unchanged_stats = 0; + if (! read_unchanged) + f[i].n_unchanged_stats = 0; /* XXX: This is only a heuristic, as the file may have also been truncated and written to if st_size >= size @@ -1289,6 +1296,9 @@ tail_forever (struct File_spec *f, size_t n_files, double sleep_interval) bytes_read = dump_remainder (false, name, fd, bytes_to_read); + if (read_unchanged && bytes_read) + f[i].n_unchanged_stats = 0; + any_input |= (bytes_read != 0); f[i].size += bytes_read; } |