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authorGuido van Rossum <guido@python.org>1999-01-06 18:44:23 (GMT)
committerGuido van Rossum <guido@python.org>1999-01-06 18:44:23 (GMT)
commit056bad993c835a59c0fad07b2e569dd17ea03544 (patch)
treed9387f9b17f7022a6ae219aa6c0babae9ad75f06 /Modules
parent94f6f72c057e4467ced293eebf7c479afa8ab2d3 (diff)
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Changes for long file support by Steve Clift.
He also fixes thread-related evil that caused core dumps.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/fcntlmodule.c42
1 files changed, 33 insertions, 9 deletions
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 59a4d4a..1764bca 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -178,9 +178,10 @@ fcntl_flock(self, args)
if (!PyArg_Parse(args, "(ii)", &fd, &code))
return NULL;
- Py_BEGIN_ALLOW_THREADS
#ifdef HAVE_FLOCK
+ Py_BEGIN_ALLOW_THREADS
ret = flock(fd, code);
+ Py_END_ALLOW_THREADS
#else
#ifndef LOCK_SH
@@ -203,10 +204,11 @@ fcntl_flock(self, args)
return NULL;
}
l.l_whence = l.l_start = l.l_len = 0;
+ Py_BEGIN_ALLOW_THREADS
ret = fcntl(fd, (code & LOCK_NB) ? F_SETLK : F_SETLKW, &l);
+ Py_END_ALLOW_THREADS
}
#endif /* HAVE_FLOCK */
- Py_END_ALLOW_THREADS
if (ret < 0) {
PyErr_SetFromErrno(PyExc_IOError);
return NULL;
@@ -229,13 +231,13 @@ fcntl_lockf(self, args)
PyObject *self; /* Not used */
PyObject *args;
{
- int fd, code, len = 0, start = 0, whence = 0, ret;
+ int fd, code, ret, whence = 0;
+ PyObject *lenobj = NULL, *startobj = NULL;
- if (!PyArg_ParseTuple(args, "ii|iii", &fd, &code, &len,
- &start, &whence))
+ if (!PyArg_ParseTuple(args, "ii|OOi", &fd, &code,
+ &lenobj, &startobj, &whence))
return NULL;
- Py_BEGIN_ALLOW_THREADS
#ifndef LOCK_SH
#define LOCK_SH 1 /* shared lock */
#define LOCK_EX 2 /* exclusive lock */
@@ -255,12 +257,34 @@ fcntl_lockf(self, args)
"unrecognized flock argument");
return NULL;
}
- l.l_len = len;
- l.l_start = start;
+ l.l_start = l.l_len = 0;
+ if (startobj != NULL) {
+#if !defined(HAVE_LARGEFILE_SUPPORT)
+ l.l_start = PyInt_AsLong(startobj);
+#else
+ l.l_start = PyLong_Check(startobj) ?
+ PyLong_AsLongLong(startobj) :
+ PyInt_AsLong(startobj);
+#endif
+ if (PyErr_Occurred())
+ return NULL;
+ }
+ if (lenobj != NULL) {
+#if !defined(HAVE_LARGEFILE_SUPPORT)
+ l.l_len = PyInt_AsLong(lenobj);
+#else
+ l.l_len = PyLong_Check(lenobj) ?
+ PyLong_AsLongLong(lenobj) :
+ PyInt_AsLong(lenobj);
+#endif
+ if (PyErr_Occurred())
+ return NULL;
+ }
l.l_whence = whence;
+ Py_BEGIN_ALLOW_THREADS
ret = fcntl(fd, (code & LOCK_NB) ? F_SETLK : F_SETLKW, &l);
+ Py_END_ALLOW_THREADS
}
- Py_END_ALLOW_THREADS
if (ret < 0) {
PyErr_SetFromErrno(PyExc_IOError);
return NULL;