From 849e3c67247d8b6b7eda26608d23247c991748c5 Mon Sep 17 00:00:00 2001 From: Michael Lotz Date: Thu, 6 Dec 2007 21:36:15 +0000 Subject: [PATCH] First try at implementing driver rescans (this has been laying around my disk for quite some time). git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23072 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- src/system/kernel/fs/devfs.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/src/system/kernel/fs/devfs.cpp b/src/system/kernel/fs/devfs.cpp index 649fe920c0..f18c7a358c 100644 --- a/src/system/kernel/fs/devfs.cpp +++ b/src/system/kernel/fs/devfs.cpp @@ -2476,3 +2476,34 @@ devfs_publish_directory(const char *path) return publish_directory(sDeviceFileSystem, path); } + +extern "C" status_t +devfs_rescan_driver(const char *driverName) +{ + TRACE(("devfs_rescan_driver: %s\n", driverName)); + + // iterate over the drivers and search a matching driverName + struct hash_iterator i; + hash_open(sDeviceFileSystem->driver_hash, &i); + + driver_entry *driver = (driver_entry *)hash_next( + sDeviceFileSystem->driver_hash, &i); + while (driver) { + const char *name = strrchr(driver->path, '/'); + if (name == NULL) + name = driver->path; + else + name++; + + if (!strcmp(name, driverName)) { + hash_close(sDeviceFileSystem->driver_hash, &i, false); + // ToDo: force a uninit/init cycle on the driver if loaded + return load_driver(driver); + } + + driver = (driver_entry *)hash_next(sDeviceFileSystem->driver_hash, &i); + } + + hash_close(sDeviceFileSystem->driver_hash, &i, false); + return B_ENTRY_NOT_FOUND; +}