C++ (Cpp) post_safe_event Examples

Example #1

File: runctrl.c Project: coachal/TCF-Target-Agent-for-ARM

static void command_get_context(char * token, Channel * c) {
    int err = 0;
    char id[256];
    Context * ctx = NULL;

    json_read_string(&c->inp, id, sizeof(id));
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);

    ctx = id2ctx(id);

    if (ctx == NULL) err = ERR_INV_CONTEXT;
    else if (ctx->exited) err = ERR_ALREADY_EXITED;

    if (err) {
        write_stringz(&c->out, "R");
        write_stringz(&c->out, token);
        write_errno(&c->out, err);
        write_stringz(&c->out, "null");
        write_stream(&c->out, MARKER_EOM);
    }
    else {
        /* Need to stop everything to access context properties.
         * In particular, proc FS access can fail when process is running.
         */
        GetContextArgs * s = loc_alloc_zero(sizeof(GetContextArgs));
        s->c = c;
        stream_lock(c);
        strcpy(s->token, token);
        s->ctx = ctx;
        context_lock(ctx);
        id2pid(id, &s->parent);
        post_safe_event(ctx->mem, event_get_context, s);
    }
}

Example #2

File: disassembly.c Project: wind-river-cdt/tcf.agent

static void command_disassemble(char * token, Channel * c) {
    int error = 0;
    Context * ctx = NULL;
    DisassembleCmdArgs * args = (DisassembleCmdArgs *)loc_alloc_zero(sizeof(DisassembleCmdArgs));
    json_read_string(&c->inp, args->id, sizeof(args->id));
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    args->addr = (ContextAddress)json_read_uint64(&c->inp);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    args->size = (ContextAddress)json_read_uint64(&c->inp);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    json_read_struct(&c->inp, read_disassembly_params, args);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);

    ctx = id2ctx(args->id);
    if (ctx == NULL) error = ERR_INV_CONTEXT;
    else if (ctx->exited) error = ERR_ALREADY_EXITED;
    else if (context_get_group(ctx, CONTEXT_GROUP_PROCESS)->mem_access == 0) error = ERR_INV_CONTEXT;

    if (error != 0) {
        write_stringz(&c->out, "R");
        write_stringz(&c->out, token);
        write_errno(&c->out, error);
        write_stringz(&c->out, "null");
        write_stream(&c->out, MARKER_EOM);
        loc_free(args);
    }
    else {
        channel_lock(args->c = c);
        strlcpy(args->token, token, sizeof(args->token));
        post_safe_event(ctx, safe_event_disassemble, args);
    }
}

Example #3

File: runctrl.c Project: coachal/TCF-Target-Agent-for-ARM

int terminate_debug_context(TCFBroadcastGroup * bcg, Context * ctx) {
    int err = 0;
    if (ctx == NULL) {
        err = ERR_INV_CONTEXT;
    }
    else if (ctx->exited) {
        err = ERR_ALREADY_EXITED;
    }
    else {
        TerminateArgs * args = (TerminateArgs *)loc_alloc(sizeof(TerminateArgs));
        args->ctx = ctx;
        args->bcg = bcg;
        context_lock(ctx);
        post_safe_event(ctx->mem, event_terminate, args);
    }
    if (err) {
        errno = err;
        return -1;
    }
    return 0;
}

Example #4

File: memoryservice.c Project: wind-river-cdt/tcf.agent

static void command_fill(char * token, Channel * c) {
    MemoryCommandArgs * args = read_command_args(token, c, CMD_FILL);
    if (args != NULL) post_safe_event(args->ctx, safe_memory_fill, args);
}