diff options
| -rw-r--r-- | src/backend/replication/basebackup.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/replication/basebackup.c b/src/backend/replication/basebackup.c index 8259ec5bd89..ddb1de0621d 100644 --- a/src/backend/replication/basebackup.c +++ b/src/backend/replication/basebackup.c @@ -84,6 +84,18 @@ static char *statrelpath = NULL; */ #define THROTTLING_FREQUENCY 8 +/* + * Checks whether we encountered any error in fread(). fread() doesn't give + * any clue what has happened, so we check with ferror(). Also, neither + * fread() nor ferror() set errno, so we just throw a generic error. + */ +#define CHECK_FREAD_ERROR(fp, filename) \ +do { \ + if (ferror(fp)) \ + ereport(ERROR, \ + (errmsg("could not read from file \"%s\"", filename))); \ +} while (0) + /* The actual number of bytes, transfer of which may cause sleep. */ static uint64 throttling_sample; @@ -434,6 +446,8 @@ perform_base_backup(basebackup_options *opt, DIR *tblspcdir) break; } + CHECK_FREAD_ERROR(fp, pathbuf); + if (len != XLogSegSize) { CheckXLogRemoved(segno, tli); @@ -1173,6 +1187,8 @@ sendFile(char *readfilename, char *tarfilename, struct stat * statbuf, } } + CHECK_FREAD_ERROR(fp, readfilename); + /* If the file was truncated while we were sending it, pad it with zeros */ if (len < statbuf->st_size) { |