# include <signal.h>
#endif
+#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
# include <console.h> // -dw- for command line dialog
#endif
+char *homedir = ::getenv( "HOME" );
+char *hostname = ::getenv( "HOSTNAME" );
+bool free_hostname = false;
+
// foreward declaration.
void fgExitCleanup();
#if defined( sgi )
#include <sys/fpu.h>
+#include <sys/sysmp.h>
+#include <unistd.h>
/*
- set the special "flush zero" bit (FS, bit 24) in the Control Status
- Register of the FPU of R4k and beyond so that the result of any
- underflowing operation will be clamped to zero, and no exception of
- any kind will be generated on the CPU. This has no effect on an
- R3000.
-
- the FS bit is inherited by processes fork()ed out of this one,
- but it is not inherited across an exec(). so anytime you exec()
- a process, you must re-set the FS bit in that process.
- */
+ * set the special "flush zero" bit (FS, bit 24) in the Control Status
+ * Register of the FPU of R4k and beyond so that the result of any
+ * underflowing operation will be clamped to zero, and no exception of
+ * any kind will be generated on the CPU. This has no effect on an
+ * R3000.
+ */
void flush_fpe(void)
{
union fpc_csr f;
#if defined(sgi)
flush_fpe();
+
+ // Bind all non-rendering threads to CPU1
+ // This will reduce the jitter caused by them to an absolute minimum,
+ // but it will only work with superuser authority.
+ if ( geteuid() == 0 )
+ {
+ sysmp(MP_CLOCK, 0); // bind the timer only to CPU0
+ sysmp(MP_ISOLATE, 1 ); // Isolate CPU1
+ sysmp(MP_NONPREEMPTIVE, 1 ); // disable process time slicing on CPU1
+ }
#endif
// Enable floating-point exceptions for Windows
// We must use cerr rather than
// logging, since logging may be
// disabled.
- cerr << "Fatal error: " << t.getFormattedMessage()
- << "\n (received from " << t.getOrigin() << ')' << endl;
+ cerr << "Fatal error: " << t.getFormattedMessage() << endl;
+ if (!t.getOrigin().empty())
+ cerr << " (received from " << t.getOrigin() << ')' << endl;
+
} catch (...) {
cerr << "Unknown exception in the main loop. Aborting..." << endl;
- perror("Possible cause");
+ if (errno)
+ perror("Possible cause");
}
return 0;
if (_bootstrap_OSInit != 0)
fgSetMouseCursor(MOUSE_CURSOR_POINTER);
- if (globals)
- delete globals;
+ delete globals;
+
+ if (free_hostname && hostname != NULL)
+ free(hostname);
}