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Juergen Gross
27d908e74e
Add a new xs_watch_depth() function to libxenstore allowing to limit the scope of a Xenstore watch. It can be used only in case Xenstore is supporting the XENSTORE_SERVER_FEATURE_WATCHDEPTH feature. For convenience add a xs_watch_try_depth() wrapper, which will call xs_watch_depth() if supported and xs_watch() otherwise. Cache the supported features of Xenstore in order not having to get them from Xenstore for each call of one of the new functions. While touching xs.c fix a whitespace issue there. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Jason Andryuk <jason.andryuk@amd.com>
58 lines
1.0 KiB
Plaintext
58 lines
1.0 KiB
Plaintext
VERS_4.0 {
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global:
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xs_open;
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xs_close;
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xs_daemon_open;
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xs_domain_open;
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xs_daemon_open_readonly;
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xs_daemon_close;
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xs_daemon_destroy_postfork;
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xs_directory;
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xs_read;
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xs_write;
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xs_mkdir;
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xs_rm;
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xs_restrict;
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xs_get_permissions;
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xs_set_permissions;
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xs_watch;
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xs_fileno;
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xs_check_watch;
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xs_read_watch;
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xs_unwatch;
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xs_transaction_start;
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xs_transaction_end;
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xs_introduce_domain;
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xs_set_target;
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xs_resume_domain;
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xs_release_domain;
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xs_get_domain_path;
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xs_path_is_subpath;
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xs_is_domain_introduced;
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xs_control_command;
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xs_debug_command;
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xs_suspend_evtchn_port;
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xs_daemon_rundir;
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xs_daemon_socket;
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xs_daemon_socket_ro;
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xs_write_all;
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xs_strings_to_perms;
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local: *; /* Do not expose anything by default */
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};
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VERS_4.1 {
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global:
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xs_get_features_supported;
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xs_get_features_domain;
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xs_set_features_domain;
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} VERS_4.0;
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VERS_4.2 {
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global:
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xs_get_quota_names;
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xs_get_global_quota;
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xs_set_global_quota;
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xs_get_domain_quota;
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xs_set_domain_quota;
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xs_watch_depth;
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xs_watch_try_depth;
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} VERS_4.1;
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