53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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/****************************************************************
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* *
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* Copyright 2001 Sanchez Computer Associates, Inc. *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include <mdef.h>
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#include <signal.h>
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#include "gtmsiginfo.h"
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#include "io.h"
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#include "send_msg.h"
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#include "setterm.h"
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#include "continue_handler.h"
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GBLREF volatile int suspend_status;
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GBLREF io_pair io_std_device;
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void continue_handler(int sig, siginfo_t *info, void *context)
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{
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gtmsiginfo_t sig_info;
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error_def(ERR_REQ2RESUME);
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assert(SIGCONT == sig);
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extract_signal_info(sig, info, context, &sig_info);
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switch(suspend_status)
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{
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case NOW_SUSPEND:
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/* Don't bother checking if user info is available. If info isn't available,
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the value zero will be printed for pid and uid. Note that the following
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message was previously put out even when the process was not suspended but
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with the changes in spin locks that send continue messages "just in case",
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I thought it better to restrict this message to when the process was actually
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suspended and being continued. SE 7/01
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*/
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send_msg(VARLSTCNT(4) ERR_REQ2RESUME, 2, sig_info.send_pid, sig_info.send_uid);
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if (NULL != io_std_device.in && tt == io_std_device.in->type)
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setterm(io_std_device.in);
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/* Fall through */
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case DEFER_SUSPEND:
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/* If suspend was deferred, this continue/resume overrides/cancels it */
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suspend_status = NO_SUSPEND;
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break;
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}
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}
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