mirror of
https://github.com/kevinbentley/Descent3.git
synced 2025-01-22 11:28:56 +00:00
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
#ifdef DECLARE_POINTERS
|
|
#define FEXTERN
|
|
#else
|
|
#define FEXTERN extern
|
|
#endif
|
|
#include <pthread.h>
|
|
|
|
#define pthread_create sopthread_create
|
|
#define pthread_exit sopthread_exit
|
|
#define pthread_detach sopthread_detach
|
|
#define pthread_self sopthread_self
|
|
|
|
typedef int (*pthread_create_fp)(pthread_t *__thread, __const pthread_attr_t *__attr, void *(*__start_routine)(void *),
|
|
void *__arg);
|
|
FEXTERN pthread_create_fp sopthread_create;
|
|
|
|
typedef void (*pthread_exit_fp)(void *__retval);
|
|
FEXTERN pthread_exit_fp sopthread_exit;
|
|
|
|
typedef int (*pthread_detach_fp)(pthread_t __th);
|
|
FEXTERN pthread_detach_fp sopthread_detach;
|
|
|
|
typedef pthread_t (*pthread_self_fp)(void);
|
|
FEXTERN pthread_self_fp sopthread_self;
|
|
|
|
#ifndef DECLARE_POINTERS
|
|
bool LoadPThreadLib(bool load = true);
|
|
#else
|
|
#include <dlfcn.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
void LoadPThreadLibSetNULL(void) {
|
|
sopthread_create = NULL;
|
|
sopthread_exit = NULL;
|
|
sopthread_detach = NULL;
|
|
sopthread_self = NULL;
|
|
}
|
|
|
|
bool LoadPThreadLib(bool load) {
|
|
#define PTHREADLIB "libpthread.so"
|
|
static void *handle = NULL;
|
|
|
|
if (!load) {
|
|
LoadPThreadLibSetNULL();
|
|
if (handle) {
|
|
dlclose(handle);
|
|
handle = NULL;
|
|
return true;
|
|
}
|
|
fprintf(stderr, "Library Unload Failed: %s\n", PTHREADLIB);
|
|
return false;
|
|
}
|
|
|
|
if (handle)
|
|
return true;
|
|
|
|
// Load the library
|
|
handle = dlopen(PTHREADLIB, RTLD_LAZY | RTLD_GLOBAL);
|
|
if (!handle) {
|
|
fprintf(stderr, "Library Load Failed: %s\n", PTHREADLIB);
|
|
return false;
|
|
}
|
|
|
|
sopthread_create = (pthread_create_fp)dlsym(handle, "pthread_create");
|
|
if (!sopthread_create)
|
|
goto load_error;
|
|
|
|
sopthread_exit = (pthread_exit_fp)dlsym(handle, "pthread_exit");
|
|
if (!sopthread_exit)
|
|
goto load_error;
|
|
|
|
sopthread_detach = (pthread_detach_fp)dlsym(handle, "pthread_detach");
|
|
if (!sopthread_detach)
|
|
goto load_error;
|
|
|
|
sopthread_self = (pthread_self_fp)dlsym(handle, "pthread_self");
|
|
if (!sopthread_self)
|
|
goto load_error;
|
|
|
|
return true;
|
|
|
|
load_error:
|
|
LoadPThreadLibSetNULL();
|
|
fprintf(stderr, "Library Symbol Resolve Error: %s\n", PTHREADLIB);
|
|
dlclose(handle);
|
|
handle = NULL;
|
|
return false;
|
|
}
|
|
#endif |