rt-thread/examples/module/extapp/extapp.c

36 lines
823 B
C

#include <rtthread.h>
#include <dlfcn.h>
typedef void (*func)(void);
int main(void)
{
func f1, f2, f3, f4, f5;
void* handle = dlopen("/mo/ext.so", RTLD_NOW);
if(handle != RT_NULL)
{
f1= (func)dlsym(handle, "function1");
f2= (func)dlsym(handle, "function2");
f3= (func)dlsym(handle, "function3");
f4= (func)dlsym(handle, "function4");
f5= (func)dlsym(handle, "function5");
if(f1 != RT_NULL) f1();
else rt_kprintf("dlsym function1 failed.\n");
if(f2 != RT_NULL) f2();
else rt_kprintf("dlsym function2 failed.\n");
if(f3 != RT_NULL) f3();
else rt_kprintf("dlsym function3 failed.\n");
if(f4 != RT_NULL) f4();
else rt_kprintf("dlsym function4 failed.\n");
if(f5 != RT_NULL) f5();
else rt_kprintf("dlsym function5 failed.\n");
}
if(handle != RT_NULL) dlclose(handle);
return 0;
}