greenplumn win32error 源码
greenplumn win32error 代码
文件路径：/src/port/win32error.c
/*-------------------------------------------------------------------------
*
* win32error.c
* Map win32 error codes to errno values
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
*
* IDENTIFICATION
* src/port/win32error.c
*
*-------------------------------------------------------------------------
*/
#ifndef FRONTEND
#include "postgres.h"
#else
#include "postgres_fe.h"
#endif
static const struct
{
DWORD winerr;
int doserr;
} doserrors[] =
{
{
ERROR_INVALID_FUNCTION, EINVAL
},
{
ERROR_FILE_NOT_FOUND, ENOENT
},
{
ERROR_PATH_NOT_FOUND, ENOENT
},
{
ERROR_TOO_MANY_OPEN_FILES, EMFILE
},
{
ERROR_ACCESS_DENIED, EACCES
},
{
ERROR_INVALID_HANDLE, EBADF
},
{
ERROR_ARENA_TRASHED, ENOMEM
},
{
ERROR_NOT_ENOUGH_MEMORY, ENOMEM
},
{
ERROR_INVALID_BLOCK, ENOMEM
},
{
ERROR_BAD_ENVIRONMENT, E2BIG
},
{
ERROR_BAD_FORMAT, ENOEXEC
},
{
ERROR_INVALID_ACCESS, EINVAL
},
{
ERROR_INVALID_DATA, EINVAL
},
{
ERROR_INVALID_DRIVE, ENOENT
},
{
ERROR_CURRENT_DIRECTORY, EACCES
},
{
ERROR_NOT_SAME_DEVICE, EXDEV
},
{
ERROR_NO_MORE_FILES, ENOENT
},
{
ERROR_LOCK_VIOLATION, EACCES
},
{
ERROR_SHARING_VIOLATION, EACCES
},
{
ERROR_BAD_NETPATH, ENOENT
},
{
ERROR_NETWORK_ACCESS_DENIED, EACCES
},
{
ERROR_BAD_NET_NAME, ENOENT
},
{
ERROR_FILE_EXISTS, EEXIST
},
{
ERROR_CANNOT_MAKE, EACCES
},
{
ERROR_FAIL_I24, EACCES
},
{
ERROR_INVALID_PARAMETER, EINVAL
},
{
ERROR_NO_PROC_SLOTS, EAGAIN
},
{
ERROR_DRIVE_LOCKED, EACCES
},
{
ERROR_BROKEN_PIPE, EPIPE
},
{
ERROR_DISK_FULL, ENOSPC
},
{
ERROR_INVALID_TARGET_HANDLE, EBADF
},
{
ERROR_INVALID_HANDLE, EINVAL
},
{
ERROR_WAIT_NO_CHILDREN, ECHILD
},
{
ERROR_CHILD_NOT_COMPLETE, ECHILD
},
{
ERROR_DIRECT_ACCESS_HANDLE, EBADF
},
{
ERROR_NEGATIVE_SEEK, EINVAL
},
{
ERROR_SEEK_ON_DEVICE, EACCES
},
{
ERROR_DIR_NOT_EMPTY, ENOTEMPTY
},
{
ERROR_NOT_LOCKED, EACCES
},
{
ERROR_BAD_PATHNAME, ENOENT
},
{
ERROR_MAX_THRDS_REACHED, EAGAIN
},
{
ERROR_LOCK_FAILED, EACCES
},
{
ERROR_ALREADY_EXISTS, EEXIST
},
{
ERROR_FILENAME_EXCED_RANGE, ENOENT
},
{
ERROR_NESTING_NOT_ALLOWED, EAGAIN
},
{
ERROR_NOT_ENOUGH_QUOTA, ENOMEM
},
{
ERROR_DELETE_PENDING, ENOENT
}
};
void
_dosmaperr(unsigned long e)
{
int i;
if (e == 0)
{
errno = 0;
return;
}
for (i = 0; i < lengthof(doserrors); i++)
{
if (doserrors[i].winerr == e)
{
int doserr = doserrors[i].doserr;
#ifndef FRONTEND
ereport(DEBUG5,
(errmsg_internal("mapped win32 error code %lu to %d",
e, doserr)));
#elif FRONTEND_DEBUG
fprintf(stderr, "mapped win32 error code %lu to %d", e, doserr);
#endif
errno = doserr;
return;
}
}
#ifndef FRONTEND
ereport(LOG,
(errmsg_internal("unrecognized win32 error code: %lu",
e)));
#else
fprintf(stderr, "unrecognized win32 error code: %lu", e);
#endif
errno = EINVAL;
return;
}
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