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-rw-r--r--src/backend/access/heap/rewriteheap.c5
-rw-r--r--src/backend/access/transam/twophase.c23
-rw-r--r--src/backend/access/transam/xlog.c7
-rw-r--r--src/backend/replication/basebackup.c3
-rw-r--r--src/backend/replication/logical/reorderbuffer.c4
-rw-r--r--src/backend/replication/logical/snapbuild.c20
-rw-r--r--src/backend/replication/slot.c7
-rw-r--r--src/bin/pg_basebackup/receivelog.c16
8 files changed, 82 insertions, 3 deletions
diff --git a/src/backend/access/heap/rewriteheap.c b/src/backend/access/heap/rewriteheap.c
index c37a6679e12..871d9e43d77 100644
--- a/src/backend/access/heap/rewriteheap.c
+++ b/src/backend/access/heap/rewriteheap.c
@@ -1173,9 +1173,14 @@ heap_xlog_logical_rewrite(XLogRecPtr lsn, XLogRecord *r)
/* write out tail end of mapping file (again) */
if (write(fd, data, len) != len)
+ {
+ /* if write didn't set errno, assume problem is no disk space */
+ if (errno == 0)
+ errno = ENOSPC;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m", path)));
+ }
/*
* Now fsync all previously written data. We could improve things and only
diff --git a/src/backend/access/transam/twophase.c b/src/backend/access/transam/twophase.c
index a7a9fc5d059..d78ed62ea77 100644
--- a/src/backend/access/transam/twophase.c
+++ b/src/backend/access/transam/twophase.c
@@ -1238,12 +1238,17 @@ ReadTwoPhaseFile(TransactionId xid, bool give_warnings)
*/
if (fstat(fd, &stat))
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
if (give_warnings)
+ {
+ errno = save_errno;
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not stat two-phase state file \"%s\": %m",
path)));
+ }
return NULL;
}
@@ -1270,12 +1275,17 @@ ReadTwoPhaseFile(TransactionId xid, bool give_warnings)
if (read(fd, buf, stat.st_size) != stat.st_size)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
if (give_warnings)
+ {
+ errno = save_errno;
ereport(WARNING,
(errcode_for_file_access(),
errmsg("could not read two-phase state file \"%s\": %m",
path)));
+ }
pfree(buf);
return NULL;
}
@@ -1563,14 +1573,24 @@ RecreateTwoPhaseFile(TransactionId xid, void *content, int len)
/* Write content and CRC */
if (write(fd, content, len) != len)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write two-phase state file: %m")));
}
if (write(fd, &statefile_crc, sizeof(pg_crc32)) != sizeof(pg_crc32))
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write two-phase state file: %m")));
@@ -1582,7 +1602,10 @@ RecreateTwoPhaseFile(TransactionId xid, void *content, int len)
*/
if (pg_fsync(fd) != 0)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not fsync two-phase state file: %m")));
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index bf51a697f7d..c50c608a1f9 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -3231,7 +3231,10 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
if (pg_fsync(fd) != 0)
{
+ int save_errno = errno;
+
close(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m", tmppath)));
@@ -10970,8 +10973,10 @@ retry:
if (lseek(readFile, (off_t) readOff, SEEK_SET) < 0)
{
char fname[MAXFNAMELEN];
+ int save_errno = errno;
XLogFileName(fname, curFileTLI, readSegNo);
+ errno = save_errno;
ereport(emode_for_corrupt_record(emode, targetPagePtr + reqLen),
(errcode_for_file_access(),
errmsg("could not seek in log segment %s to offset %u: %m",
@@ -10982,8 +10987,10 @@ retry:
if (read(readFile, readBuf, XLOG_BLCKSZ) != XLOG_BLCKSZ)
{
char fname[MAXFNAMELEN];
+ int save_errno = errno;
XLogFileName(fname, curFileTLI, readSegNo);
+ errno = save_errno;
ereport(emode_for_corrupt_record(emode, targetPagePtr + reqLen),
(errcode_for_file_access(),
errmsg("could not read from log segment %s, offset %u: %m",
diff --git a/src/backend/replication/basebackup.c b/src/backend/replication/basebackup.c
index e4074d30351..7c0b4dc9d7b 100644
--- a/src/backend/replication/basebackup.c
+++ b/src/backend/replication/basebackup.c
@@ -448,6 +448,8 @@ perform_base_backup(basebackup_options *opt, DIR *tblspcdir)
fp = AllocateFile(pathbuf, "rb");
if (fp == NULL)
{
+ int save_errno = errno;
+
/*
* Most likely reason for this is that the file was already
* removed by a checkpoint, so check for that to get a better
@@ -455,6 +457,7 @@ perform_base_backup(basebackup_options *opt, DIR *tblspcdir)
*/
CheckXLogRemoved(segno, tli);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not open file \"%s\": %m", pathbuf)));
diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c
index 544759b49d4..ce570e44ccb 100644
--- a/src/backend/replication/logical/reorderbuffer.c
+++ b/src/backend/replication/logical/reorderbuffer.c
@@ -2170,7 +2170,9 @@ ReorderBufferSerializeChange(ReorderBuffer *rb, ReorderBufferTXN *txn,
int save_errno = errno;
CloseTransientFile(fd);
- errno = save_errno;
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write to data file for XID %u: %m",
diff --git a/src/backend/replication/logical/snapbuild.c b/src/backend/replication/logical/snapbuild.c
index 03ca4ba6f61..84314da0f8a 100644
--- a/src/backend/replication/logical/snapbuild.c
+++ b/src/backend/replication/logical/snapbuild.c
@@ -1566,7 +1566,12 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
if ((write(fd, ondisk, needed_length)) != needed_length)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m", tmppath)));
@@ -1582,7 +1587,10 @@ SnapBuildSerialize(SnapBuild *builder, XLogRecPtr lsn)
*/
if (pg_fsync(fd) != 0)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m", tmppath)));
@@ -1664,7 +1672,10 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
readBytes = read(fd, &ondisk, SnapBuildOnDiskConstantSize);
if (readBytes != SnapBuildOnDiskConstantSize)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read file \"%s\", read %d of %d: %m",
@@ -1690,7 +1701,10 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
readBytes = read(fd, &ondisk.builder, sizeof(SnapBuild));
if (readBytes != sizeof(SnapBuild))
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read file \"%s\", read %d of %d: %m",
@@ -1705,7 +1719,10 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
readBytes = read(fd, ondisk.builder.was_running.was_xip, sz);
if (readBytes != sz)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read file \"%s\", read %d of %d: %m",
@@ -1719,7 +1736,10 @@ SnapBuildRestore(SnapBuild *builder, XLogRecPtr lsn)
readBytes = read(fd, ondisk.builder.committed.xip, sz);
if (readBytes != sz)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read file \"%s\", read %d of %d: %m",
diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c
index 7f04b22d2d6..661415b9a20 100644
--- a/src/backend/replication/slot.c
+++ b/src/backend/replication/slot.c
@@ -1031,7 +1031,9 @@ SaveSlotToPath(ReplicationSlot *slot, const char *dir, int elevel)
int save_errno = errno;
CloseTransientFile(fd);
- errno = save_errno;
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
ereport(elevel,
(errcode_for_file_access(),
errmsg("could not write to file \"%s\": %m",
@@ -1134,7 +1136,10 @@ RestoreSlotFromDisk(const char *name)
*/
if (pg_fsync(fd) != 0)
{
+ int save_errno = errno;
+
CloseTransientFile(fd);
+ errno = save_errno;
ereport(PANIC,
(errcode_for_file_access(),
errmsg("could not fsync file \"%s\": %m",
diff --git a/src/bin/pg_basebackup/receivelog.c b/src/bin/pg_basebackup/receivelog.c
index 33ecf20ed45..da76d9befda 100644
--- a/src/bin/pg_basebackup/receivelog.c
+++ b/src/bin/pg_basebackup/receivelog.c
@@ -139,6 +139,9 @@ open_walfile(XLogRecPtr startpoint, uint32 timeline, char *basedir,
{
if (write(f, zerobuf, XLOG_BLCKSZ) != XLOG_BLCKSZ)
{
+ /* if write didn't set errno, assume problem is no disk space */
+ if (errno == 0)
+ errno = ENOSPC;
fprintf(stderr,
_("%s: could not pad transaction log file \"%s\": %s\n"),
progname, fn, strerror(errno));
@@ -325,7 +328,9 @@ writeTimeLineHistoryFile(char *basedir, TimeLineID tli, char *filename,
*/
close(fd);
unlink(tmppath);
- errno = save_errno;
+
+ /* if write didn't set errno, assume problem is no disk space */
+ errno = save_errno ? save_errno : ENOSPC;
fprintf(stderr, _("%s: could not write timeline history file \"%s\": %s\n"),
progname, tmppath, strerror(errno));
@@ -334,7 +339,10 @@ writeTimeLineHistoryFile(char *basedir, TimeLineID tli, char *filename,
if (fsync(fd) != 0)
{
+ int save_errno = errno;
+
close(fd);
+ errno = save_errno;
fprintf(stderr, _("%s: could not fsync file \"%s\": %s\n"),
progname, tmppath, strerror(errno));
return false;
@@ -1090,6 +1098,12 @@ HandleCopyStream(PGconn *conn, XLogRecPtr startpos, uint32 timeline,
copybuf + hdr_len + bytes_written,
bytes_to_write) != bytes_to_write)
{
+ /*
+ * If write didn't set errno, assume problem is no disk
+ * space.
+ */
+ if (errno == 0)
+ errno = ENOSPC;
fprintf(stderr,
_("%s: could not write %u bytes to WAL file \"%s\": %s\n"),
progname, bytes_to_write, current_walfile_name,
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-04 08:49:45 +0000