#include "vserver.h"
#include "vserver-internal.h"
+#define NONE ({ Py_INCREF(Py_None); Py_None; })
+
/*
* context create
*/
static PyObject *
vserver_chcontext(PyObject *self, PyObject *args)
{
+ int result;
xid_t ctx;
uint32_t flags = 0;
uint32_t bcaps = ~vc_get_insecurebcaps();
- rspec_t rspec = { 32, VC_VXF_SCHED_FLAGS, -1, -1 };
- PyObject *resources;
- PyObject *cpu_share;
- if (!PyArg_ParseTuple(args, "IO|K", &ctx, &resources, &flags))
+ if (!PyArg_ParseTuple(args, "I|K", &ctx, &flags))
+ return NULL;
+
+ if ((result = pl_chcontext(ctx, flags, bcaps)) < 0)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ return PyBool_FromLong(result);
+}
+
+static PyObject *
+vserver_setup_done(PyObject *self, PyObject *args)
+{
+ xid_t ctx;
+
+ if (!PyArg_ParseTuple(args, "I", &ctx))
return NULL;
- if (!PyMapping_Check(resources))
- {
- PyErr_SetString(PyExc_TypeError, "invalid resources object");
- return NULL;
- }
- if ((cpu_share = PyMapping_GetItemString(resources, "nm_cpu_share")) &&
- (cpu_share = PyNumber_Int(cpu_share)))
- rspec.cpu_share = PyInt_AsLong(cpu_share);
-
- if (pl_chcontext(ctx, flags, bcaps, &rspec))
- PyErr_SetFromErrno(PyExc_OSError);
-
- return Py_None;
+
+ if (pl_setup_done(ctx) < 0)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ return NONE;
}
static PyObject *
if (!PyArg_ParseTuple(args, "IiL", &xid, &resource, &limits.hard))
return NULL;
- ret = Py_None;
if (vc_set_rlimit(xid, resource, &limits))
ret = PyErr_SetFromErrno(PyExc_OSError);
else if (vc_get_rlimit(xid, resource, &limits)==-1)
if (!PyArg_ParseTuple(args, "Ii", &xid, &resource))
return NULL;
- ret = Py_None;
if (vc_get_rlimit(xid, resource, &limits)==-1)
ret = PyErr_SetFromErrno(PyExc_OSError);
else
vserver_setsched(PyObject *self, PyObject *args)
{
xid_t ctx;
- rspec_t rspec = { 32, VC_VXF_SCHED_FLAGS, -1, -1 };
- PyObject *resources;
- PyObject *cpu_share;
+ uint32_t cpu_share;
+ uint32_t cpu_sched_flags = VC_VXF_SCHED_FLAGS;
- if (!PyArg_ParseTuple(args, "IO", &ctx, &resources))
+ if (!PyArg_ParseTuple(args, "II|I", &ctx, &cpu_share, &cpu_sched_flags))
return NULL;
- if (!PyMapping_Check(resources))
- {
- PyErr_SetString(PyExc_TypeError, "invalid resources object");
- return NULL;
- }
- if ((cpu_share = PyMapping_GetItemString(resources, "nm_cpu_share")) &&
- (cpu_share = PyNumber_Int(cpu_share)))
- rspec.cpu_share = PyInt_AsLong(cpu_share);
-
- if (pl_setsched(ctx, rspec.cpu_share, rspec.cpu_sched_flags))
- PyErr_SetFromErrno(PyExc_OSError);
-
- return Py_None;
+
+ /* ESRCH indicates that there are no processes in the context */
+ if (pl_setsched(ctx, cpu_share, cpu_sched_flags) &&
+ errno != ESRCH)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ return NONE;
}
static PyObject *
vserver(VCMD_set_dlimit, xid, &data))
return PyErr_SetFromErrno(PyExc_OSError);
- return Py_None;
+ return NONE;
}
static PyObject *
vserver_unset_dlimit(PyObject *self, PyObject *args)
{
- unsigned xid;
- struct vcmd_ctx_dlimit_base_v0 init;
+ char *path;
+ unsigned xid;
+ struct vcmd_ctx_dlimit_base_v0 init;
if (!PyArg_ParseTuple(args, "si", &path, &xid))
return NULL;
if (vserver(VCMD_rem_dlimit, xid, &init) && errno != ESRCH)
return PyErr_SetFromErrno(PyExc_OSError);
- return Py_None;
+ return NONE;
+}
+
+static PyObject *
+vserver_killall(PyObject *self, PyObject *args)
+{
+ xid_t ctx;
+ int sig;
+
+ if (!PyArg_ParseTuple(args, "Ii", &ctx, &sig))
+ return NULL;
+
+ if (vc_ctx_kill(ctx, 0, sig) && errno != ESRCH)
+ return PyErr_SetFromErrno(PyExc_OSError);
+
+ return NONE;
}
static PyMethodDef methods[] = {
{ "chcontext", vserver_chcontext, METH_VARARGS,
"chcontext to vserver with provided flags" },
+ { "setup_done", vserver_setup_done, METH_VARARGS,
+ "Release vserver setup lock" },
{ "setsched", vserver_setsched, METH_VARARGS,
"Change vserver scheduling attributes for given vserver context" },
{ "setdlimit", vserver_set_dlimit, METH_VARARGS,
"Set resource limits for given resource of a vserver context" },
{ "getrlimit", vserver_get_rlimit, METH_VARARGS,
"Get resource limits for given resource of a vserver context" },
+ { "killall", vserver_killall, METH_VARARGS,
+ "Send signal to all processes in vserver context" },
{ NULL, NULL, 0, NULL }
};
/* export limit-related constants */
PyModule_AddIntConstant(mod, "DLIMIT_KEEP", (int)CDLIM_KEEP);
PyModule_AddIntConstant(mod, "DLIMIT_INF", (int)CDLIM_INFINITY);
+
+ /* scheduler flags */
+ PyModule_AddIntConstant(mod,
+ "VS_SCHED_CPU_GUARANTEED",
+ VS_SCHED_CPU_GUARANTEED);
}