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4226b662cd
We only ever use private futexes, so it doesn't make sense to carry around all the complexity required for global (cross-process) futexes.
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/API/POSIX/futex.h>
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#include <Kernel/API/POSIX/serenity.h>
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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__BEGIN_DECLS
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int disown(pid_t);
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int module_load(const char* path, size_t path_length);
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int module_unload(const char* name, size_t name_length);
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int profiling_enable(pid_t, uint64_t);
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int profiling_disable(pid_t);
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int profiling_free_buffer(pid_t);
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int futex(uint32_t* userspace_address, int futex_op, uint32_t value, const struct timespec* timeout, uint32_t* userspace_address2, uint32_t value3);
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static ALWAYS_INLINE int futex_wait(uint32_t* userspace_address, uint32_t value, const struct timespec* abstime, int clockid)
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{
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int op;
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if (abstime) {
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// NOTE: FUTEX_WAIT takes a relative timeout, so use FUTEX_WAIT_BITSET instead!
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op = FUTEX_WAIT_BITSET;
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if (clockid == CLOCK_REALTIME || clockid == CLOCK_REALTIME_COARSE)
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op |= FUTEX_CLOCK_REALTIME;
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} else {
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op = FUTEX_WAIT;
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}
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return futex(userspace_address, op, value, abstime, nullptr, FUTEX_BITSET_MATCH_ANY);
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}
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static ALWAYS_INLINE int futex_wake(uint32_t* userspace_address, uint32_t count)
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{
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return futex(userspace_address, FUTEX_WAKE, count, NULL, NULL, 0);
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}
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int purge(int mode);
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int perf_event(int type, uintptr_t arg1, uintptr_t arg2);
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int perf_register_string(char const* string, size_t string_length);
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int get_stack_bounds(uintptr_t* user_stack_base, size_t* user_stack_size);
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int anon_create(size_t size, int options);
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int serenity_readlink(const char* path, size_t path_length, char* buffer, size_t buffer_size);
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int getkeymap(char* name_buffer, size_t name_buffer_size, uint32_t* map, uint32_t* shift_map, uint32_t* alt_map, uint32_t* altgr_map, uint32_t* shift_altgr_map);
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int setkeymap(const char* name, const uint32_t* map, uint32_t* const shift_map, const uint32_t* alt_map, const uint32_t* altgr_map, const uint32_t* shift_altgr_map);
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uint16_t internet_checksum(const void* ptr, size_t count);
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int emuctl(uintptr_t command, uintptr_t arg0, uintptr_t arg1);
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__END_DECLS
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