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add missing header files
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57
ioprio.h
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57
ioprio.h
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#ifndef IOPRIO_H
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#define IOPRIO_H
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/* This is minimal version of Linux' linux/ioprio.h header file, which
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* is licensed GPL2 */
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#include <unistd.h>
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#include <sys/syscall.h>
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/*
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* Gives us 8 prio classes with 13-bits of data for each class
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*/
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#define IOPRIO_BITS (16)
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#define IOPRIO_CLASS_SHIFT (13)
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#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1)
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#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT)
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#define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK)
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#define IOPRIO_PRIO_VALUE(class, data) (((class) << IOPRIO_CLASS_SHIFT) | data)
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#define ioprio_valid(mask) (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE)
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/*
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* These are the io priority groups as implemented by CFQ. RT is the realtime
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* class, it always gets premium service. BE is the best-effort scheduling
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* class, the default for any process. IDLE is the idle scheduling class, it
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* is only served when no one else is using the disk.
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*/
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enum {
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IOPRIO_CLASS_NONE,
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IOPRIO_CLASS_RT,
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IOPRIO_CLASS_BE,
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IOPRIO_CLASS_IDLE,
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};
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/*
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* 8 best effort priority levels are supported
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*/
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#define IOPRIO_BE_NR (8)
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enum {
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IOPRIO_WHO_PROCESS = 1,
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IOPRIO_WHO_PGRP,
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IOPRIO_WHO_USER,
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};
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static inline int ioprio_set(int which, int who, int ioprio)
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{
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return syscall(__NR_ioprio_set, which, who, ioprio);
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}
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static inline int ioprio_get(int which, int who)
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{
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return syscall(__NR_ioprio_get, which, who);
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}
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#endif
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12
missing.h
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12
missing.h
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#ifndef foomissinghfoo
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#define foomissinghfoo
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/* Missing glibc definitions to access certain kernel APIs */
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#include <sys/resource.h>
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#ifndef RLIMIT_RTTIME
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#define RLIMIT_RTTIME 15
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#endif
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#endif
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45
securebits.h
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45
securebits.h
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#ifndef _LINUX_SECUREBITS_H
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#define _LINUX_SECUREBITS_H 1
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/* This is minimal version of Linux' linux/securebits.h header file,
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* which is licensed GPL2 */
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#define SECUREBITS_DEFAULT 0x00000000
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/* When set UID 0 has no special privileges. When unset, we support
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inheritance of root-permissions and suid-root executable under
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compatibility mode. We raise the effective and inheritable bitmasks
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*of the executable file* if the effective uid of the new process is
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0. If the real uid is 0, we raise the effective (legacy) bit of the
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executable file. */
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#define SECURE_NOROOT 0
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#define SECURE_NOROOT_LOCKED 1 /* make bit-0 immutable */
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/* When set, setuid to/from uid 0 does not trigger capability-"fixup".
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When unset, to provide compatiblility with old programs relying on
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set*uid to gain/lose privilege, transitions to/from uid 0 cause
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capabilities to be gained/lost. */
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#define SECURE_NO_SETUID_FIXUP 2
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#define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */
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/* When set, a process can retain its capabilities even after
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transitioning to a non-root user (the set-uid fixup suppressed by
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bit 2). Bit-4 is cleared when a process calls exec(); setting both
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bit 4 and 5 will create a barrier through exec that no exec()'d
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child can use this feature again. */
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#define SECURE_KEEP_CAPS 4
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#define SECURE_KEEP_CAPS_LOCKED 5 /* make bit-4 immutable */
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/* Each securesetting is implemented using two bits. One bit specifies
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whether the setting is on or off. The other bit specify whether the
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setting is locked or not. A setting which is locked cannot be
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changed from user-level. */
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#define issecure_mask(X) (1 << (X))
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#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits))
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#define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | \
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issecure_mask(SECURE_NO_SETUID_FIXUP) | \
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issecure_mask(SECURE_KEEP_CAPS))
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#define SECURE_ALL_LOCKS (SECURE_ALL_BITS << 1)
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#endif /* !_LINUX_SECUREBITS_H */
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