-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* lttng-abi.c
*
* LTTng ABI
*
* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- *
* Mimic system calls for:
* - session creation, returns a file descriptor or failure.
* - channel creation, returns a file descriptor or failure.
transport_name = "<unknown>";
break;
}
- if (atomic_long_add_unless(&session_file->f_count,
- 1, INT_MAX) == INT_MAX) {
+ if (!atomic_long_add_unless(&session_file->f_count, 1, LONG_MAX)) {
+ ret = -EOVERFLOW;
goto refcount_error;
}
/*
goto file_error;
}
/* The event holds a reference on the channel */
- if (atomic_long_add_unless(&channel_file->f_count,
- 1, INT_MAX) == INT_MAX) {
+ if (!atomic_long_add_unless(&channel_file->f_count, 1, LONG_MAX)) {
ret = -EOVERFLOW;
goto refcount_error;
}
default:
return -ENOIOCTLCMD;
}
-
}
/**
return lttng_enabler_attach_bytecode(enabler,
(struct lttng_kernel_filter_bytecode __user *) arg);
}
-
+ default:
+ WARN_ON_ONCE(1);
+ return -ENOSYS;
+ }
+ case LTTNG_KERNEL_ADD_CALLSITE:
+ switch (*evtype) {
+ case LTTNG_TYPE_EVENT:
+ event = file->private_data;
+ return lttng_event_add_callsite(event,
+ (struct lttng_kernel_event_callsite __user *) arg);
+ case LTTNG_TYPE_ENABLER:
+ return -EINVAL;
}
default:
return -ENOIOCTLCMD;