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Use O_APPEND flag instead of seeking, when append 

mode is specified.
This commit is contained in:
Walter Dörwald 2007-06-06 16:55:38 +00:00
parent 5b1284d0b7
commit 0e41148c4b
1 changed files with 5 additions and 12 deletions
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17
Modules/_fileio.c
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@ -230,6 +230,11 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
flags |= O_BINARY;
#endif
#ifdef O_APPEND
if (append)
flags |= O_APPEND;
#endif
if (fd >= 0) {
self->fd = fd;
}
@ -242,18 +247,6 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
PyErr_SetFromErrnoWithFilename(PyExc_IOError, name);
goto error;
}
if (append) {
int result;
Py_BEGIN_ALLOW_THREADS
errno = 0;
result = lseek(self->fd, 0, SEEK_END);
Py_END_ALLOW_THREADS
if (result < 0) {
close(self->fd);
PyErr_SetFromErrnoWithFilename(PyExc_IOError, name);
goto error;
}
}
}
goto done;