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/*
* Copyright (c) 2015 Balabit
* Copyright (c) 2015 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "debugger/tracer.h"
void
tracer_stop_on_breakpoint(Tracer *self)
{
g_mutex_lock(&self->breakpoint_mutex);
/* send break point */
self->breakpoint_hit = TRUE;
g_cond_signal(&self->breakpoint_cond);
/* wait for resume */
while (!self->resume_requested)
g_cond_wait(&self->resume_cond, &self->breakpoint_mutex);
self->resume_requested = FALSE;
g_mutex_unlock(&self->breakpoint_mutex);
}
void
tracer_wait_for_breakpoint(Tracer *self)
{
g_mutex_lock(&self->breakpoint_mutex);
while (!self->breakpoint_hit)
g_cond_wait(&self->breakpoint_cond, &self->breakpoint_mutex);
self->breakpoint_hit = FALSE;
g_mutex_unlock(&self->breakpoint_mutex);
}
void
tracer_resume_after_breakpoint(Tracer *self)
{
g_mutex_lock(&self->breakpoint_mutex);
self->resume_requested = TRUE;
g_cond_signal(&self->resume_cond);
g_mutex_unlock(&self->breakpoint_mutex);
}
Tracer *
tracer_new(GlobalConfig *cfg)
{
Tracer *self = g_new0(Tracer, 1);
g_mutex_init(&self->breakpoint_mutex);
g_cond_init(&self->breakpoint_cond);
g_cond_init(&self->resume_cond);
return self;
}
void
tracer_free(Tracer *self)
{
g_mutex_clear(&self->breakpoint_mutex);
g_cond_clear(&self->breakpoint_cond);
g_cond_clear(&self->resume_cond);
g_free(self);
}
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