(svn r1640) fix: now helicopters will use a hangar in schedule to be replaced in, even if they are only set to service there. Since helicopters are serviced at helipads, they will only go there if they needs to be replaced or renewed.
#ifndef __BEOS__
#ifndef __MORPHOS__
#include "stdafx.h"
#include "ttd.h"
#include "hal.h"
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <signal.h>
#include <sys/stat.h>
#include <errno.h>
#ifndef EXTERNAL_PLAYER
#define EXTERNAL_PLAYER "timidity"
#endif
static pid_t _pid;
static void extmidi_kill(void)
{
if (_pid > 0) {
kill(_pid, SIGKILL);
while (waitpid(_pid, NULL, WNOHANG) != _pid);
}
_pid = 0;
}
static char *extmidi_start(char **parm)
{
_pid = 0;
return NULL;
}
static void extmidi_stop(void)
{
extmidi_kill();
}
static void extmidi_play_song(const char *filename)
{
extmidi_kill();
_pid = fork();
if (_pid < 0) {
fprintf(stderr, "extmidi: couldn't fork: %s\n", strerror(errno));
_pid = 0;
return;
}
if (_pid == 0) {
#if defined(MIDI_ARG)
execlp(EXTERNAL_PLAYER, "extmidi", MIDI_ARG, filename, NULL);
#else
execlp(EXTERNAL_PLAYER, "extmidi", filename, NULL);
#endif
fprintf(stderr, "extmidi: couldn't execl: %s\n", strerror(errno));
exit(0);
}
usleep(500);
if (_pid == waitpid(_pid, NULL, WNOHANG)) {
fprintf(stderr, "extmidi: play song failed\n");
_pid = 0;
usleep(5000);
}
}
static void extmidi_stop_song(void)
{
extmidi_kill();
}
static bool extmidi_is_playing(void)
{
if (_pid == 0)
return 0;
if (waitpid(_pid, NULL, WNOHANG) == _pid) {
_pid = 0;
return 0;
}
return 1;
}
static void extmidi_set_volume(byte vol)
{
fprintf(stderr, "extmidi: set volume not implemented\n");
}
const HalMusicDriver _extmidi_music_driver = {
extmidi_start,
extmidi_stop,
extmidi_play_song,
extmidi_stop_song,
extmidi_is_playing,
extmidi_set_volume,
};
#endif /* __MORPHOS__ */
#endif /* __BEOS__ */