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137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# pragma once
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# include "base/base.h"
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#endif
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// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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////////////////////////////////
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//~ rjf: Includes
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#define _GNU_SOURCE
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#include <features.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <linux/limits.h>
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#include <time.h>
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#include <dirent.h>
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#include <pthread.h>
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#include <sys/syscall.h>
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#include <signal.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include <sys/sysinfo.h>
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#include <sys/random.h>
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int pthread_setname_np(pthread_t thread, const char *name);
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int pthread_getname_np(pthread_t thread, char *name, size_t size);
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typedef struct tm tm;
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typedef struct timespec timespec;
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////////////////////////////////
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//~ rjf: File Iterator
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typedef struct OS_LNX_FileIter OS_LNX_FileIter;
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struct OS_LNX_FileIter
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{
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DIR* dir;
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struct dirent* dp;
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String8 path;
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};
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md_assert(sizeof(Member(OS_FileIter, memory)) >= sizeof(OS_LNX_FileIter), os_lnx_file_iter_size_check);
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////////////////////////////////
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//~ rjf: Safe Call Handler Chain
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typedef struct OS_LNX_SafeCallChain OS_LNX_SafeCallChain;
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struct OS_LNX_SafeCallChain
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{
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OS_LNX_SafeCallChain* next;
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OS_ThreadFunctionType* fail_handler;
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void *ptr;
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};
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////////////////////////////////
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//~ rjf: Entities
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typedef enum OS_LNX_EntityKind
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{
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OS_LNX_EntityKind_Thread,
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OS_LNX_EntityKind_Mutex,
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OS_LNX_EntityKind_RWMutex,
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OS_LNX_EntityKind_ConditionVariable,
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}
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OS_LNX_EntityKind;
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typedef struct OS_LNX_Entity OS_LNX_Entity;
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struct OS_LNX_Entity
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{
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OS_LNX_Entity* next;
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OS_LNX_EntityKind kind;
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union
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{
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struct
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{
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pthread_t handle;
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OS_ThreadFunctionType* func;
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void* ptr;
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} thread;
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pthread_mutex_t mutex_handle;
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pthread_rwlock_t rwmutex_handle;
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struct
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{
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pthread_cond_t cond_handle;
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pthread_mutex_t rwlock_mutex_handle;
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} cv;
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};
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};
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////////////////////////////////
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//~ rjf: State
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typedef struct OS_LNX_State OS_LNX_State;
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struct OS_LNX_State
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{
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Arena* arena;
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OS_SystemInfo system_info;
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OS_ProcessInfo process_info;
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pthread_mutex_t entity_mutex;
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Arena* entity_arena;
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OS_LNX_Entity* entity_free;
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};
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k
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////////////////////////////////
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//~ rjf: Globals
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global OS_LNX_State os_lnx_state = {0};
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thread_static OS_LNX_SafeCallChain *os_lnx_safe_call_chain = 0;
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////////////////////////////////
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//~ rjf: Helpers
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internal DateTime os_lnx_date_time_from_tm(tm in, U32 msec);
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internal tm os_lnx_tm_from_date_time(DateTime dt);
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internal timespec os_lnx_timespec_from_date_time( DateTime dt);
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internal DenseTime os_lnx_dense_time_from_timespec(timespec in);
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internal FileProperties os_lnx_file_properties_from_stat(struct stat *s);
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internal void os_lnx_safe_call_sig_handler (int x);
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k
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////////////////////////////////
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//~ rjf: Entities
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internal OS_LNX_Entity* os_lnx_entity_alloc(OS_LNX_EntityKind kind);
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internal void os_lnx_entity_release(OS_LNX_Entity *entity);
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////////////////////////////////
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//~ rjf: Thread Entry Point
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internal void *os_lnx_thread_entry_point(void *ptr);
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