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Renamed node monitor syscalls to the new scheme.

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Added comments from storage/NodeMonitor.cpp to the syscalls here (they
will be removed from NodeMonitor.cpp), and adapted them where necessary.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8237 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2004-06-29 20:25:21 +00:00
parent f004b0c15e
commit 50dbc6bcbd
2 changed files with 44 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kernel/core/fs/node_monitor.c
+41 -4
View File
@@ -1,5 +1,5 @@
/*
** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
** Copyright 2003-2004, Axel Dörfler, [email protected]. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
@@ -349,6 +349,26 @@ node_monitor_init(void)
// Exported public kernel API
/** \brief Subscribes a target to node and/or mount watching.
*
* Depending on \a flags, different actions are performed. If flags is \c 0,
* mount watching is requested. \a device and \a node must be \c -1 in this
* case. Otherwise node watching is requested. \a device and \a node must
* refer to a valid node, and \a flags must note contain the flag
* \c B_WATCH_MOUNT, but at least one of the other valid flags.
*
* \param device The device the node resides on (node_ref::device). \c -1, if
* only mount watching is requested.
* \param node The node ID of the node (node_ref::device). \c -1, if
* only mount watching is requested.
* \param flags A bit mask composed of the values specified in
* <NodeMonitor.h>.
* \param port The port of the target (a looper port).
* \param handlerToken The token of the target handler. \c -2, if the
* preferred handler of the looper is the target.
* \return \c B_OK, if everything went fine, another error code otherwise.
*/
status_t
start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
{
@@ -358,6 +378,16 @@ start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 toke
}
/** \brief Unsubscribes a target from watching a node.
* \param device The device the node resides on (node_ref::device).
* \param node The node ID of the node (node_ref::device).
* \param flags Which monitors should be removed (B_STOP_WATCHING for all)
* \param port The port of the target (a looper port).
* \param handlerToken The token of the target handler. \c -2, if the
* preferred handler of the looper is the target.
* \return \c B_OK, if everything went fine, another error code otherwise.
*/
status_t
stop_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
{
@@ -367,6 +397,13 @@ stop_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token
}
/** \brief Unsubscribes a target from node and mount monitoring.
* \param port The port of the target (a looper port).
* \param handlerToken The token of the target handler. \c -2, if the
* preferred handler of the looper is the target.
* \return \c B_OK, if everything went fine, another error code otherwise.
*/
status_t
stop_notifying(port_id port, uint32 token)
{
@@ -457,7 +494,7 @@ notify_listener(int op, mount_id device, vnode_id parentNode, vnode_id toParentN
status_t
user_stop_notifying(port_id port, uint32 token)
_user_stop_notifying(port_id port, uint32 token)
{
io_context *context = get_current_io_context(false);
@@ -466,7 +503,7 @@ user_stop_notifying(port_id port, uint32 token)
status_t
user_start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
_user_start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
{
io_context *context = get_current_io_context(false);
@@ -475,7 +512,7 @@ user_start_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32
status_t
user_stop_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
_user_stop_watching(dev_t device, ino_t node, uint32 flags, port_id port, uint32 token)
{
io_context *context = get_current_io_context(false);
src/kernel/core/syscalls.c
+3 -3
View File
@@ -409,13 +409,13 @@ syscall_dispatcher(unsigned long call_num, void *arg_buffer, uint64 *call_ret)
// node monitor calls
case SYSCALL_START_WATCHING:
*call_ret = user_start_watching((dev_t)arg0, (ino_t)INT32TOINT64(arg1, arg2), (uint32)arg3, (port_id)arg4, (uint32)arg5);
*call_ret = _user_start_watching((dev_t)arg0, (ino_t)INT32TOINT64(arg1, arg2), (uint32)arg3, (port_id)arg4, (uint32)arg5);
break;
case SYSCALL_STOP_WATCHING:
*call_ret = user_stop_watching((dev_t)arg0, (ino_t)INT32TOINT64(arg1, arg2), (uint32)arg3, (port_id)arg4, (uint32)arg5);
*call_ret = _user_stop_watching((dev_t)arg0, (ino_t)INT32TOINT64(arg1, arg2), (uint32)arg3, (port_id)arg4, (uint32)arg5);
break;
case SYSCALL_STOP_NOTIFYING:
*call_ret = user_stop_notifying((port_id)arg0, (uint32)arg1);
*call_ret = _user_stop_notifying((port_id)arg0, (uint32)arg1);
break;
case SYSCALL_SYSCTL: