aboutsummaryrefslogtreecommitdiff
path: root/src/bin/pg_basebackup/walmethods.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bin/pg_basebackup/walmethods.c')
-rw-r--r--src/bin/pg_basebackup/walmethods.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/bin/pg_basebackup/walmethods.c b/src/bin/pg_basebackup/walmethods.c
index 82cbf870025..870b6d085e8 100644
--- a/src/bin/pg_basebackup/walmethods.c
+++ b/src/bin/pg_basebackup/walmethods.c
@@ -121,6 +121,7 @@ dir_open_for_write(const char *pathname, const char *temp_suffix, size_t pad_to_
zerobuf = pg_malloc0(XLOG_BLCKSZ);
for (bytes = 0; bytes < pad_to_size; bytes += XLOG_BLCKSZ)
{
+ errno = 0;
if (write(fd, zerobuf, XLOG_BLCKSZ) != XLOG_BLCKSZ)
{
int save_errno = errno;
@@ -444,6 +445,7 @@ tar_write_compressed_data(void *buf, size_t count, bool flush)
{
size_t len = ZLIB_OUT_SIZE - tar_data->zp->avail_out;
+ errno = 0;
if (write(tar_data->fd, tar_data->zlibOut, len) != len)
{
/*
@@ -627,6 +629,7 @@ tar_open_for_write(const char *pathname, const char *temp_suffix, size_t pad_to_
if (!tar_data->compression)
{
+ errno = 0;
if (write(tar_data->fd, tar_data->currentfile->header, 512) != 512)
{
save_errno = errno;
@@ -827,6 +830,7 @@ tar_close(Walfile f, WalCloseMethod method)
return -1;
if (!tar_data->compression)
{
+ errno = 0;
if (write(tar_data->fd, tf->header, 512) != 512)
{
/* if write didn't set errno, assume problem is no disk space */
@@ -899,6 +903,7 @@ tar_finish(void)
MemSet(zerobuf, 0, sizeof(zerobuf));
if (!tar_data->compression)
{
+ errno = 0;
if (write(tar_data->fd, zerobuf, sizeof(zerobuf)) != sizeof(zerobuf))
{
/* if write didn't set errno, assume problem is no disk space */
@@ -931,6 +936,7 @@ tar_finish(void)
{
size_t len = ZLIB_OUT_SIZE - tar_data->zp->avail_out;
+ errno = 0;
if (write(tar_data->fd, tar_data->zlibOut, len) != len)
{
/*