/*
=================
Sys_WritePIDFile
Return qtrue if there is an existing stale PID file
=================
*/
qboolean Sys_WritePIDFile( void )
{
char *pidFile = Sys_PIDFileName( );
FILE *f;
qboolean stale = qfalse;
// First, check if the pid file is already there
if( ( f = fopen( pidFile, "r" ) ) != NULL )
{
char pidBuffer[ 64 ] = { 0 };
int pid;
fread( pidBuffer, sizeof( char ), sizeof( pidBuffer ) - 1, f );
fclose( f );
pid = atoi( pidBuffer );
if( !Sys_PIDIsRunning( pid ) )
stale = qtrue;
}
if( ( f = fopen( pidFile, "w" ) ) != NULL )
{
fprintf( f, "%d", Sys_PID( ) );
fclose( f );
}
else
Com_Printf( S_COLOR_YELLOW "Couldn't write %s.\n", pidFile );
return stale;
}
void
sysinit(void)
{
char pidbuf[16];
cmdadd("in_restart", Sys_In_Restart_f);
cvarsetstr("arch", OS_STRING " " ARCH_STRING);
cvarsetstr("username", sysgetcurrentuser());
Q_sprintf(pidbuf, sizeof(pidbuf), "%d", Sys_PID());
cvarget("pid", pidbuf, CVAR_ROM);
cvarsetdesc("pid", "process ID, for debugging purposes");
}