win-nosleep-cygwin.c

#include <windows.h>
#include <spawn.h>
#include <sys/wait.h>

int main(int argc, char** argv, char** envp)
{
        if(argc < 2)
        {
                SetThreadExecutionState(ES_SYSTEM_REQUIRED);
                return 0;
        }
        SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_AWAYMODE_REQUIRED);
        pid_t p = -1;
        int ret = posix_spawnp(&p, argv[1], 0, 0, argv+1, envp);
        if(!ret)
        {
                int ws = 0;
                waitpid(p, &ws, 0);
                ret = WEXITSTATUS(ws);
        }
        SetThreadExecutionState(ES_CONTINUOUS);
        return ret;
}