ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2025-06-18 15:18:20 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

VFS: catch Out_of_ram and Out_of_cap exceptions

Browse Source 
Catch out of RAM and capability exceptions and return error values.
Abort opening a composite directory at Dir_file_system where an
opendir call on any child file-system returns an OUT_OF_RAM or
OUT_OF_CAPS error.

Ref #2642
This commit is contained in:
Emery Hemingway
2018-01-12 13:47:48 -06:00
committed by Norman Feske
parent c34a4bfdb4
commit c7d0accac0
14 changed files with 194 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
repos/os/src/lib/vfs/tar_file_system.h
View File

@ -651,9 +651,13 @@ class Vfs::Tar_file_system : public File_system
if (!node || !node->record || node->record->type() != Record::TYPE_FILE)
return OPEN_ERR_UNACCESSIBLE;
*out_handle = new (alloc) Tar_vfs_file_handle(*this, alloc, 0, node);
return OPEN_OK;
try {
*out_handle = new (alloc)
Tar_vfs_file_handle(*this, alloc, 0, node);
return OPEN_OK;
}
catch (Genode::Out_of_ram) { return OPEN_ERR_OUT_OF_RAM; }
catch (Genode::Out_of_caps) { return OPEN_ERR_OUT_OF_CAPS; }
}
Opendir_result opendir(char const *path, bool /* create */,
@ -666,9 +670,13 @@ class Vfs::Tar_file_system : public File_system
(node->record && (node->record->type() != Record::TYPE_DIR)))
return OPENDIR_ERR_LOOKUP_FAILED;
*out_handle = new (alloc) Tar_vfs_dir_handle(*this, alloc, 0, node);
return OPENDIR_OK;
try {
*out_handle = new (alloc)
Tar_vfs_dir_handle(*this, alloc, 0, node);
return OPENDIR_OK;
}
catch (Genode::Out_of_ram) { return OPENDIR_ERR_OUT_OF_RAM; }
catch (Genode::Out_of_caps) { return OPENDIR_ERR_OUT_OF_CAPS; }
}
Openlink_result openlink(char const *path, bool /* create */,
@ -679,9 +687,13 @@ class Vfs::Tar_file_system : public File_system
node->record->type() != Record::TYPE_SYMLINK)
return OPENLINK_ERR_LOOKUP_FAILED;
*out_handle = new (alloc) Tar_vfs_symlink_handle(*this, alloc, 0, node);
return OPENLINK_OK;
try {
*out_handle = new (alloc)
Tar_vfs_symlink_handle(*this, alloc, 0, node);
return OPENLINK_OK;
}
catch (Genode::Out_of_ram) { return OPENLINK_ERR_OUT_OF_RAM; }
catch (Genode::Out_of_caps) { return OPENLINK_ERR_OUT_OF_CAPS; }
}
void close(Vfs_handle *vfs_handle) override