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/****************************************************************
* *
* Copyright 2001, 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <errno.h>
#include <signal.h>
#include "gtm_limits.h"
#include "io.h"
#include "gtmsecshr.h"
#include "secshr_client.h"
#include "crit_wake.h"
#include "send_msg.h"
#include "have_crit.h"
error_def(ERR_NOSUCHPROC);
int crit_wake (sm_uint_ptr_t pid)
{
if (0 == kill(*pid, SIGALRM))
return 0;
else if (ESRCH == errno)
{
send_msg(VARLSTCNT(5) ERR_NOSUCHPROC, 3, *pid, RTS_ERROR_LITERAL("wake"));
return(ESRCH);
} else
assert(EINVAL != errno);
# ifdef NOT_CURRENTLY_USED
/* The code segment below basically disabled M LOCK wakeup via gtmsecshr (via send_mesg2gtmsecshr() call below). The
* requisite gtmsecshr support is temporarily also being #ifdef'd out until the M LOCK wakeup mechanism used to wakeup
* processes with different userids can be run outside of crit. At that point, this code will be re-enabled without
* the crit-check below once again allowing improved wakeup times for differing userids without waiting for a 100ms
* poll timer to expire.
*/
/* if you are in crit don't send, the other process's timer will wake it up any way */
if (0 != have_crit(CRIT_HAVE_ANY_REG))
return 0;
return send_mesg2gtmsecshr(WAKE_MESSAGE, *pid, (char *)NULL, 0);
# else
return 0;
# endif
}
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