suite/tests/client-interface/drx-test.dll.c

/* **********************************************************
 * Copyright (c) 2013 Google, Inc.  All rights reserved.
 * **********************************************************/

/*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of Google, Inc. nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 */


/* Tests the drx extension */

#include "dr_api.h"
#include "drx.h"

#define CHECK(x, msg) do {               \
    if (!(x)) {                          \
        dr_fprintf(STDERR, "CHECK failed %s:%d: %s\n", __FILE__, __LINE__, msg); \
        dr_abort();                      \
    }                                    \
} while (0);

static client_id_t client_id;

static void
event_exit(void)
{
    drx_exit();
    dr_fprintf(STDERR, "event_exit\n");
}

static void
event_nudge(void *drcontext, uint64 argument)
{
    static int nudge_term_count;
    /* handle multiple from both NtTerminateProcess and NtTerminateJobObject */
    uint count = dr_atomic_add32_return_sum(&nudge_term_count, 1);
    if (count == 1) {
        dr_fprintf(STDERR, "event_nudge exit code %d\n", (int)argument);
        dr_exit_process((int)argument);
        CHECK(false, "should not reach here");
    }
}

static bool
event_soft_kill(process_id_t pid, int exit_code)
{
    dr_config_status_t res =
        dr_nudge_client_ex(pid, client_id, exit_code, 0);
    CHECK(res == DR_SUCCESS, dr_config_status_code_to_string(res));
    return true; /* skip kill */
}

DR_EXPORT void
dr_init(client_id_t id)
{
    bool ok = drx_init();
    client_id = id;
    CHECK(ok, "drx_init failed");
    dr_register_exit_event(event_exit);
    drx_register_soft_kills(event_soft_kill);
    dr_register_nudge_event(event_nudge, id);
}