static void
stop_clicked_cb(GtkToolButton *button, gpointer user_data)
{
// save zoom setting
GcomprisProperties *properties = gc_prop_get();
gc_prop_save(properties);
gc_exit();
}
/*
* Called once (from main) to clean up STM infrastructure.
*/
_CALLCONV void
stm_exit(void)
{
PRINT_DEBUG("==> stm_exit()\n");
if (!_tinystm.initialized)
return;
tls_exit();
stm_quiesce_exit();
#ifdef EPOCH_GC
gc_exit();
#endif /* EPOCH_GC */
_tinystm.initialized = 0;
}
/*
* Called once (from main) to clean up STM infrastructure.
*/
_CALLCONV void
stm_exit(void)
{
PRINT_DEBUG("==> stm_exit()\n");
if (!_tinystm.initialized)
return;
tls_exit();
stm_quiesce_exit();
# ifdef STM_F2C2
char filename[512];
int cpu_id=0, fd;
for (cpu_id=0; cpu_id<sysconf(_SC_NPROCESSORS_CONF); cpu_id++) {
sprintf(filename, "/sys/devices/system/cpu/cpu%i/cpufreq/scaling_setspeed",cpu_id);
//printf("Filename: %s", filename);
fd=open(filename, O_WRONLY);
if(fd==-1){
printf("\nError opening file %s", filename);
exit(1);
}
char target_freq[]="800000";
write(fd, &target_freq, sizeof(target_freq));
close(fd);
}
if (semctl(semid, 0, IPC_RMID) < 0) {
printf("\nCould not delete semaphore");
}
#endif /* STM_F2C2 */
#ifdef EPOCH_GC
gc_exit();
#endif /* EPOCH_GC */
_tinystm.initialized = 0;
}
static void
confirm_quit(gboolean answer)
{
if (answer)
gc_exit();
}
static int launch_child(struct handler *h) {
// See if we already have a pid.
if(h->deathcount >= 20) {
printf("Handler %s marked as bad.\n", h->command);
return 0;
}
if(h->pid != 0) {
int status;
// Check status of child process.
int wait_result = waitpid(h->pid, &status, WNOHANG);
if(!wait_result || !(WIFEXITED(status) || WIFSIGNALED(status))) {
// If child has not exited, return immediately.
// We don't want to start another.
return 1;
}
else {
fprintf(stderr, "Found dead handler: %s\n", h->command);
h->deathcount++;
close(h->fdin);
close(h->fdout);
}
h->pid = 0;
h->fdin = -1;
h->fdout = -1;
}
int parent_in[2];
int parent_out[2];
pipe(parent_in);
pipe(parent_out);
pid_t pid = fork();
if(pid == -1) {
fprintf(stderr, "Failed to fork: %s\n", h->command);
exit(1);
}
else if(pid) {
//parent
h->pid = pid;
// Constant messages from transients are annoying.
if(h->h_type == PERSISTENT) {
fprintf(stderr, "Started child process: %d\n", pid);
}
close(parent_in[1]);
close(parent_out[0]);
h->fdin = parent_in[0];
h->fdout = parent_out[1];
}
else {
//child
gc_exit();
close(parent_in[0]);
close(parent_out[1]);
dup2(parent_in[1], STDOUT_FILENO);
dup2(parent_out[0], STDIN_FILENO);
char *env[1];
env[0] = NULL;
char *arg[1];
arg[0] = NULL;
execve(h->command, arg, environ);
perror("Failed to launch handler");
exit(1);
}
return 1;
}