ladybird/Userland/Libraries/LibC/serenity.h
Andreas Kling 4226b662cd Kernel+Userland: Remove global futexes
We only ever use private futexes, so it doesn't make sense to carry
around all the complexity required for global (cross-process) futexes.
2021-08-17 01:21:47 +02:00

67 lines
2.1 KiB
C

/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/POSIX/futex.h>
#include <Kernel/API/POSIX/serenity.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
__BEGIN_DECLS
int disown(pid_t);
int module_load(const char* path, size_t path_length);
int module_unload(const char* name, size_t name_length);
int profiling_enable(pid_t, uint64_t);
int profiling_disable(pid_t);
int profiling_free_buffer(pid_t);
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)
{
int op;
if (abstime) {
// NOTE: FUTEX_WAIT takes a relative timeout, so use FUTEX_WAIT_BITSET instead!
op = FUTEX_WAIT_BITSET;
if (clockid == CLOCK_REALTIME || clockid == CLOCK_REALTIME_COARSE)
op |= FUTEX_CLOCK_REALTIME;
} else {
op = FUTEX_WAIT;
}
return futex(userspace_address, op, value, abstime, nullptr, FUTEX_BITSET_MATCH_ANY);
}
static ALWAYS_INLINE int futex_wake(uint32_t* userspace_address, uint32_t count)
{
return futex(userspace_address, FUTEX_WAKE, count, NULL, NULL, 0);
}
int purge(int mode);
int perf_event(int type, uintptr_t arg1, uintptr_t arg2);
int perf_register_string(char const* string, size_t string_length);
int get_stack_bounds(uintptr_t* user_stack_base, size_t* user_stack_size);
int anon_create(size_t size, int options);
int serenity_readlink(const char* path, size_t path_length, char* buffer, size_t buffer_size);
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);
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);
uint16_t internet_checksum(const void* ptr, size_t count);
int emuctl(uintptr_t command, uintptr_t arg0, uintptr_t arg1);
__END_DECLS