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Diffstat (limited to 'alpine/osdep/jobcntrl.c')
| -rw-r--r-- | alpine/osdep/jobcntrl.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/alpine/osdep/jobcntrl.c b/alpine/osdep/jobcntrl.c new file mode 100644 index 00000000..38169822 --- /dev/null +++ b/alpine/osdep/jobcntrl.c @@ -0,0 +1,55 @@ +#if !defined(lint) && !defined(DOS) +static char rcsid[] = "$Id: jobcntrl.c 765 2007-10-23 23:51:37Z hubert@u.washington.edu $"; +#endif + +/* + * ======================================================================== + * Copyright 2006 University of Washington + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * ======================================================================== + */ + +#include <system.h> + +#include "jobcntrl.h" + + +/*---------------------------------------------------------------------- + This routine returns 1 if job control is available. Note, thiis + could be some type of fake job control. It doesn't have to be + real BSD-style job control. + ----*/ +int +have_job_control(void) +{ + return 1; +} + + +/*---------------------------------------------------------------------- + If we don't have job control, this routine is never called. + ----*/ +void +stop_process(void) +{ +#ifndef _WINDOWS + RETSIGTYPE (*save_usr2)(int); + + /* + * Since we can't respond to KOD while stopped, the process that sent + * the KOD is going to go read-only. Therefore, we can safely ignore + * any KODs that come in before we are ready to respond... + */ + save_usr2 = signal(SIGUSR2, SIG_IGN); + kill(0, SIGSTOP); + (void)signal(SIGUSR2, save_usr2); +#endif /* !_WINDOWS */ +} + + |