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Diffstat (limited to 'src/pmdas/linux_proc/contexts.h')
| -rw-r--r-- | src/pmdas/linux_proc/contexts.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/pmdas/linux_proc/contexts.h b/src/pmdas/linux_proc/contexts.h new file mode 100644 index 0000000..c2abe8c --- /dev/null +++ b/src/pmdas/linux_proc/contexts.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2013 Red Hat. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program 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 General Public License + * for more details. + */ + +#ifndef _CONTEXTS_H +#define _CONTEXTS_H + +/* + * Handle newly arriving clients, security attributes being set on 'em, + * switching to alternative accounts (temporarily) and back, and client + * termination. State maintained in a global table, with a high-water + * allocator and active/inactive entry tracking. + * + * The proc.control.perclient metrics also have state tracked here now. + */ + +enum { + CTX_INACTIVE = 0x0, + CTX_ACTIVE = 0x1, + CTX_USERID = 0x2, + CTX_GROUPID = 0x4, + CTX_THREADS = 0x8, + CTX_CGROUPS = 0x10, +}; + +typedef struct { + unsigned int state; + uid_t uid; + gid_t gid; + unsigned int threads; + const char *cgroups; +} proc_perctx_t; + +extern void proc_ctx_init(void); +extern int proc_ctx_attrs(int, int, const char *, int, pmdaExt *); +extern void proc_ctx_end(int); + +extern int proc_ctx_access(int); +extern int proc_ctx_revert(int); + +extern unsigned int proc_ctx_threads(int, unsigned int); +extern int proc_ctx_set_threads(int, unsigned int); + +extern const char *proc_ctx_cgroups(int, const char *); +extern int proc_ctx_set_cgroups(int, const char *); + +#endif /* _CONTEXTS_H */ |