signal.h

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// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
 
#include "mos/platform/platform.h"
#include "mos/tasks/task_types.h"
 
#include <mos/lib/structures/list.h>
#include <mos/tasks/signal_types.h>
 
#define ERESTARTSYS 512
 
typedef struct
{
    as_linked_list;
    signal_t signal;
} sigpending_t;
extern slab_t *sigpending_slab;
 
long signal_send_to_thread(thread_t *target, signal_t signal);
 
long signal_send_to_process(process_t *target, signal_t signal);
 
void signal_exit_to_user_prepare(platform_regs_t *regs);
 
void signal_exit_to_user_prepare_syscall(platform_regs_t *regs, reg_t syscall_nr, reg_t syscall_ret);
 
typedef struct _sigreturn_data
{
    signal_t signal;
    bool was_masked;
} sigreturn_data_t;
 
void signal_on_returned(sigreturn_data_t *supplimentary_data);
 
bool signal_has_pending(void);