diff --git a/src/bin/pg_basebackup/bbstreamer_file.c b/src/bin/pg_basebackup/bbstreamer_file.c
index eba173f688..5dc828f742 100644
--- a/src/bin/pg_basebackup/bbstreamer_file.c
+++ b/src/bin/pg_basebackup/bbstreamer_file.c
@@ -303,11 +303,11 @@ bbstreamer_gzip_writer_finalize(bbstreamer *streamer)
 
 	mystreamer = (bbstreamer_gzip_writer *) streamer;
 
+	errno = 0;					/* in case gzclose() doesn't set it */
 	if (gzclose(mystreamer->gzfile) != 0)
 	{
-		pg_log_error("could not close compressed file \"%s\": %s",
-					 mystreamer->pathname,
-					 get_gz_error(mystreamer->gzfile));
+		pg_log_error("could not close compressed file \"%s\": %m",
+					 mystreamer->pathname);
 		exit(1);
 	}
 
diff --git a/src/bin/pg_basebackup/receivelog.c b/src/bin/pg_basebackup/receivelog.c
index 2d4f660daa..d5db519f53 100644
--- a/src/bin/pg_basebackup/receivelog.c
+++ b/src/bin/pg_basebackup/receivelog.c
@@ -70,7 +70,12 @@ mark_file_as_archived(StreamCtl *stream, const char *fname)
 		return false;
 	}
 
-	stream->walmethod->close(f, CLOSE_NORMAL);
+	if (stream->walmethod->close(f, CLOSE_NORMAL) != 0)
+	{
+		pg_log_error("could not close archive status file \"%s\": %s",
+					 tmppath, stream->walmethod->getlasterror());
+		return false;
+	}
 
 	return true;
 }
diff --git a/src/bin/pg_basebackup/walmethods.c b/src/bin/pg_basebackup/walmethods.c
index f1ba2a828a..5cc10c6eba 100644
--- a/src/bin/pg_basebackup/walmethods.c
+++ b/src/bin/pg_basebackup/walmethods.c
@@ -355,7 +355,10 @@ dir_close(Walfile f, WalCloseMethod method)
 
 #ifdef HAVE_LIBZ
 	if (dir_data->compression_method == COMPRESSION_GZIP)
+	{
+		errno = 0;				/* in case gzclose() doesn't set it */
 		r = gzclose(df->gzfp);
+	}
 	else
 #endif
 #ifdef HAVE_LIBLZ4
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
index 2c4cfb9457..59f4fbb2cc 100644
--- a/src/bin/pg_dump/pg_backup_archiver.c
+++ b/src/bin/pg_dump/pg_backup_archiver.c
@@ -268,6 +268,7 @@ CloseArchive(Archive *AHX)
 	AH->ClosePtr(AH);
 
 	/* Close the output */
+	errno = 0;					/* in case gzclose() doesn't set it */
 	if (AH->gzOut)
 		res = GZCLOSE(AH->OF);
 	else if (AH->OF != stdout)
@@ -1567,6 +1568,7 @@ RestoreOutput(ArchiveHandle *AH, OutputContext savedContext)
 {
 	int			res;
 
+	errno = 0;					/* in case gzclose() doesn't set it */
 	if (AH->gzOut)
 		res = GZCLOSE(AH->OF);
 	else
diff --git a/src/bin/pg_dump/pg_backup_directory.c b/src/bin/pg_dump/pg_backup_directory.c
index 8aff6bce38..4e0fb7d2d3 100644
--- a/src/bin/pg_dump/pg_backup_directory.c
+++ b/src/bin/pg_dump/pg_backup_directory.c
@@ -369,7 +369,8 @@ _EndData(ArchiveHandle *AH, TocEntry *te)
 	lclContext *ctx = (lclContext *) AH->formatData;
 
 	/* Close the file */
-	cfclose(ctx->dataFH);
+	if (cfclose(ctx->dataFH) != 0)
+		fatal("could not close data file: %m");
 
 	ctx->dataFH = NULL;
 }
@@ -680,7 +681,8 @@ _EndBlob(ArchiveHandle *AH, TocEntry *te, Oid oid)
 	int			len;
 
 	/* Close the BLOB data file itself */
-	cfclose(ctx->dataFH);
+	if (cfclose(ctx->dataFH) != 0)
+		fatal("could not close blob data file: %m");
 	ctx->dataFH = NULL;
 
 	/* register the blob in blobs.toc */
@@ -699,7 +701,8 @@ _EndBlobs(ArchiveHandle *AH, TocEntry *te)
 {
 	lclContext *ctx = (lclContext *) AH->formatData;
 
-	cfclose(ctx->blobsTocFH);
+	if (cfclose(ctx->blobsTocFH) != 0)
+		fatal("could not close blobs TOC file: %m");
 	ctx->blobsTocFH = NULL;
 }
 
diff --git a/src/bin/pg_dump/pg_backup_tar.c b/src/bin/pg_dump/pg_backup_tar.c
index 65bcb41a2f..5c351acda0 100644
--- a/src/bin/pg_dump/pg_backup_tar.c
+++ b/src/bin/pg_dump/pg_backup_tar.c
@@ -438,8 +438,11 @@ tarClose(ArchiveHandle *AH, TAR_MEMBER *th)
 	 * Close the GZ file since we dup'd. This will flush the buffers.
 	 */
 	if (AH->compression != 0)
+	{
+		errno = 0;				/* in case gzclose() doesn't set it */
 		if (GZCLOSE(th->zFH) != 0)
-			fatal("could not close tar member");
+			fatal("could not close tar member: %m");
+	}
 
 	if (th->mode == 'w')
 		_tarAddFile(AH, th);	/* This will close the temp file */