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Kernel+LibC: Share definitions for futex.h

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This commit is contained in:
Andreas Kling 2021-08-14 17:12:54 +02:00
parent 6fd7212476
commit ff50122dc5
3 changed files with 65 additions and 83 deletions
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63
Kernel/API/POSIX/futex.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/POSIX/sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define _FUTEX_OP_SHIFT_OP 28
#define _FUTEX_OP_MASK_OP 0xf
#define _FUTEX_OP_SHIFT_CMP 24
#define _FUTEX_OP_MASK_CMP 0xf
#define _FUTEX_OP_SHIFT_OP_ARG 12
#define _FUTEX_OP_MASK_OP_ARG 0xfff
#define _FUTEX_OP_SHIFT_CMP_ARG 0
#define _FUTEX_OP_MASK_CMP_ARG 0xfff
#define FUTEX_OP(op, op_arg, cmp, cmp_arg) \
((((op)&_FUTEX_OP_MASK_OP) << _FUTEX_OP_SHIFT_OP) | (((cmp)&_FUTEX_OP_MASK_CMP) << _FUTEX_OP_SHIFT_CMP) | (((op_arg)&_FUTEX_OP_MASK_OP_ARG) << _FUTEX_OP_SHIFT_OP_ARG) | (((cmp_arg)&_FUTEX_OP_MASK_CMP_ARG) << _FUTEX_OP_SHIFT_CMP_ARG))
#define _FUTEX_OP(val3) (((val3) >> _FUTEX_OP_SHIFT_OP) & _FUTEX_OP_MASK_OP)
#define _FUTEX_CMP(val3) (((val3) >> _FUTEX_OP_SHIFT_CMP) & _FUTEX_OP_MASK_CMP)
#define _FUTEX_OP_ARG(val3) (((val3) >> _FUTEX_OP_SHIFT_OP_ARG) & _FUTEX_OP_MASK_OP_ARG)
#define _FUTEX_CMP_ARG(val3) (((val3) >> _FUTEX_OP_SHIFT_CMP_ARG) & _FUTEX_OP_MASK_CMP_ARG)
#define FUTEX_OP_SET 0
#define FUTEX_OP_ADD 1
#define FUTEX_OP_OR 2
#define FUTEX_OP_ANDN 3
#define FUTEX_OP_XOR 4
#define FUTEX_OP_ARG_SHIFT 8
#define FUTEX_OP_CMP_EQ 0
#define FUTEX_OP_CMP_NE 1
#define FUTEX_OP_CMP_LT 2
#define FUTEX_OP_CMP_LE 3
#define FUTEX_OP_CMP_GT 4
#define FUTEX_OP_CMP_GE 5
#define FUTEX_WAIT 1
#define FUTEX_WAKE 2
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
#define FUTEX_WAKE_OP 5
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_PRIVATE_FLAG (1 << 7)
#define FUTEX_CLOCK_REALTIME (1 << 8)
#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
#define FUTEX_BITSET_MATCH_ANY 0xffffffff
#ifdef __cplusplus
}
#endif

43
Kernel/UnixTypes.h
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@ -9,6 +9,7 @@
#include <AK/DistinctNumeric.h>
#include <AK/Types.h>
#include <Kernel/API/POSIX/fcntl.h>
#include <Kernel/API/POSIX/futex.h>
#include <Kernel/API/POSIX/netinet/in.h>
#include <Kernel/API/POSIX/signal.h>
#include <Kernel/API/POSIX/sys/mman.h>
@ -90,48 +91,6 @@ enum {
#define FD_CLOEXEC 1
#define _FUTEX_OP_SHIFT_OP 28
#define _FUTEX_OP_MASK_OP 0xf
#define _FUTEX_OP_SHIFT_CMP 24
#define _FUTEX_OP_MASK_CMP 0xf
#define _FUTEX_OP_SHIFT_OP_ARG 12
#define _FUTEX_OP_MASK_OP_ARG 0xfff
#define _FUTEX_OP_SHIFT_CMP_ARG 0
#define _FUTEX_OP_MASK_CMP_ARG 0xfff
#define _FUTEX_OP(val3) (((val3) >> _FUTEX_OP_SHIFT_OP) & _FUTEX_OP_MASK_OP)
#define _FUTEX_CMP(val3) (((val3) >> _FUTEX_OP_SHIFT_CMP) & _FUTEX_OP_MASK_CMP)
#define _FUTEX_OP_ARG(val3) (((val3) >> _FUTEX_OP_SHIFT_OP_ARG) & _FUTEX_OP_MASK_OP_ARG)
#define _FUTEX_CMP_ARG(val3) (((val3) >> _FUTEX_OP_SHIFT_CMP_ARG) & _FUTEX_OP_MASK_CMP_ARG)
#define FUTEX_OP_SET 0
#define FUTEX_OP_ADD 1
#define FUTEX_OP_OR 2
#define FUTEX_OP_ANDN 3
#define FUTEX_OP_XOR 4
#define FUTEX_OP_ARG_SHIFT 8
#define FUTEX_OP_CMP_EQ 0
#define FUTEX_OP_CMP_NE 1
#define FUTEX_OP_CMP_LT 2
#define FUTEX_OP_CMP_LE 3
#define FUTEX_OP_CMP_GT 4
#define FUTEX_OP_CMP_GE 5
#define FUTEX_WAIT 1
#define FUTEX_WAKE 2
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
#define FUTEX_WAKE_OP 5
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_PRIVATE_FLAG (1 << 7)
#define FUTEX_CLOCK_REALTIME (1 << 8)
#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
#define FUTEX_BITSET_MATCH_ANY 0xffffffff
// Avoid interference with AK/Types.h and LibC/sys/types.h by defining *separate* names:
TYPEDEF_DISTINCT_ORDERED_ID(pid_t, ProcessID);
TYPEDEF_DISTINCT_ORDERED_ID(pid_t, ThreadID);

42
Userland/Libraries/LibC/serenity.h
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@ -6,6 +6,7 @@
#pragma once
#include <Kernel/API/POSIX/futex.h>
#include <stdio.h>
#include <sys/cdefs.h>
#include <sys/types.h>
@ -29,47 +30,6 @@ int profiling_free_buffer(pid_t);
#define THREAD_PRIORITY_HIGH 50
#define THREAD_PRIORITY_MAX 99
#define _FUTEX_OP_SHIFT_OP 28
#define _FUTEX_OP_MASK_OP 0xf
#define _FUTEX_OP_SHIFT_CMP 24
#define _FUTEX_OP_MASK_CMP 0xf
#define _FUTEX_OP_SHIFT_OP_ARG 12
#define _FUTEX_OP_MASK_OP_ARG 0xfff
#define _FUTEX_OP_SHIFT_CMP_ARG 0
#define _FUTEX_OP_MASK_CMP_ARG 0xfff
#define FUTEX_OP(op, op_arg, cmp, cmp_arg) \
((((op)&_FUTEX_OP_MASK_OP) << _FUTEX_OP_SHIFT_OP) | (((cmp)&_FUTEX_OP_MASK_CMP) << _FUTEX_OP_SHIFT_CMP) | (((op_arg)&_FUTEX_OP_MASK_OP_ARG) << _FUTEX_OP_SHIFT_OP_ARG) | (((cmp_arg)&_FUTEX_OP_MASK_CMP_ARG) << _FUTEX_OP_SHIFT_CMP_ARG))
#define FUTEX_OP_SET 0
#define FUTEX_OP_ADD 1
#define FUTEX_OP_OR 2
#define FUTEX_OP_ANDN 3
#define FUTEX_OP_XOR 4
#define FUTEX_OP_ARG_SHIFT 8
#define FUTEX_OP_CMP_EQ 0
#define FUTEX_OP_CMP_NE 1
#define FUTEX_OP_CMP_LT 2
#define FUTEX_OP_CMP_LE 3
#define FUTEX_OP_CMP_GT 4
#define FUTEX_OP_CMP_GE 5
#define FUTEX_WAIT 1
#define FUTEX_WAKE 2
#define FUTEX_REQUEUE 3
#define FUTEX_CMP_REQUEUE 4
#define FUTEX_WAKE_OP 5
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_PRIVATE_FLAG (1 << 7)
#define FUTEX_CLOCK_REALTIME (1 << 8)
#define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME)
#define FUTEX_BITSET_MATCH_ANY 0xffffffff
int futex(uint32_t* userspace_address, int futex_op, uint32_t value, const struct timespec* timeout, uint32_t* userspace_address2, uint32_t value3);
static ALWAYS_INLINE int futex_wait(uint32_t* userspace_address, uint32_t value, const struct timespec* abstime, int clockid)