Example #1
0
void * tmp_alloc(size_t size) {
    void * p;
    LINK * l;
    assert(is_dispatch_thread());
    if (!tmp_gc_posted) {
        post_event(gc_event, NULL);
        tmp_gc_posted = 1;
    }
#if ENABLE_FastMemAlloc
    if (tmp_pool_pos + size + ALIGNMENT + sizeof(size_t *) > tmp_pool_max) {
        if (tmp_pool != NULL) {
            l = (LINK *)tmp_pool;
            list_add_last(l, &tmp_alloc_list);
            tmp_alloc_size += tmp_pool_pos;
        }
        tmp_pool_max = POOL_SIZE / 0x10 + size;
        tmp_pool = (char *)loc_alloc(tmp_pool_max);
        tmp_pool_pos = sizeof(LINK);
    }
    tmp_pool_pos += sizeof(size_t *);
    tmp_pool_pos = (tmp_pool_pos + ALIGNMENT - 1) & ~(ALIGNMENT - 1);
    p = tmp_pool + tmp_pool_pos;
    *((size_t *)p - 1) = size;
    tmp_pool_pos += size;
    return p;
#else
    l = (LINK *)loc_alloc(sizeof(LINK) + size);
    list_add_last(l, &tmp_alloc_list);
    tmp_alloc_size += size + ALIGNMENT + sizeof(size_t *);
    p = l + 1;
    return p;
#endif
}
void virtual_stream_create(const char * type, const char * context_id, size_t buf_len, unsigned access,
        VirtualStreamCallBack * callback, void * callback_args, VirtualStream ** res) {
    LINK * l;
    VirtualStream * stream = loc_alloc_zero(sizeof(VirtualStream));

    buf_len++;
    list_init(&stream->clients);
    strncpy(stream->type, type, sizeof(stream->type) - 1);
    stream->magic = STREAM_MAGIC;
    stream->id = id_cnt++;
    stream->access = access;
    stream->callback = callback;
    stream->callback_args = callback_args;
    stream->ref_cnt = 1;
    stream->buf = loc_alloc(buf_len);
    stream->buf_len = buf_len;
    for (l = subscriptions.next; l != &subscriptions; l = l->next) {
        Subscription * h = all2subscription(l);
        if (strcmp(type, h->type) == 0) {
            Trap trap;
            create_client(stream, h->channel);
            if (set_trap(&trap)) {
                send_event_stream_created(&h->channel->out, stream, context_id);
                clear_trap(&trap);
            }
            else {
                trace(LOG_ALWAYS, "Exception sending stream created event: %d %s",
                      trap.error, errno_to_str(trap.error));
            }
        }
    }
    list_add_first(&stream->link_all, &streams);
    *res = stream;
}
Example #3
0
static void add_report_prop(ReportBuffer * report, const char * name, ByteArrayOutputStream * buf) {
    ErrorReportItem * i = (ErrorReportItem *)loc_alloc(sizeof(ErrorReportItem));
    i->name = loc_strdup(name);
    get_byte_array_output_stream_data(buf, &i->value, NULL);
    i->next = report->pub.props;
    report->pub.props = i;
}
static void command_read(char * token, Channel * c) {
    char id[256];
    OpenFileInfo * h = NULL;
    int64_t offset;
    unsigned long len;

    json_read_string(&c->inp, id, sizeof(id));
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    offset = json_read_int64(&c->inp);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    len = json_read_ulong(&c->inp);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);

    h = find_open_file_info(id);
    if (h == NULL) {
        reply_read(token, &c->out, EBADF, NULL, 0, 0);
    }
    else {
        IORequest * req = create_io_request(token, h, REQ_READ);
        if (offset < 0) {
            req->info.type = AsyncReqRead;
        }
        else {
            req->info.type = AsyncReqSeekRead;
            req->info.u.fio.offset = (off_t)offset;
        }
        req->info.u.fio.fd = h->file;
        req->info.u.fio.bufp = loc_alloc(len);
        req->info.u.fio.bufsz = len;
        post_io_requst(h);
    }
}
void ini_portforward_server(int service_id, Protocol *proto, TCFBroadcastGroup * bcg) {
    char * service_name = loc_alloc(strlen("PortServer") + 30);
    if (service_id != 0) sprintf(service_name, "PortServer@%d", service_id);
    else sprintf(service_name, "PortServer");
    add_command_handler(proto, service_name, "create", port_server_cmd_create);
    add_command_handler(proto, service_name, "delete", port_server_cmd_delete);
}
Example #6
0
PeerServer * peer_server_alloc(void) {
    PeerServer * s = (PeerServer *)loc_alloc_zero(sizeof *s);

    s->max = 8;
    s->list = (PeerServerList *)loc_alloc(s->max * sizeof *s->list);
    return s;
}
Example #7
0
File: cache.c Project: eswartz/emul
void cache_wait(AbstractCache * cache) {
#else
void cache_wait_dbg(const char * file, int line, AbstractCache * cache) {
#endif
    assert(is_dispatch_thread());
    assert(client_exited == 0);
    if (current_client.client != NULL && cache_miss_cnt == 0) {
        if (cache->wait_list_cnt >= cache->wait_list_max) {
            cache->wait_list_max += 8;
            cache->wait_list_buf = (WaitingCacheClient *)loc_realloc(cache->wait_list_buf, cache->wait_list_max * sizeof(WaitingCacheClient));
        }
        if (current_client.args != NULL && !current_client.args_copy) {
            void * mem = loc_alloc(current_client.args_size);
            memcpy(mem, current_client.args, current_client.args_size);
            current_client.args = mem;
            current_client.args_copy = 1;
        }
#ifndef NDEBUG
        current_client.file = file;
        current_client.line = line;
#endif
        if (cache->wait_list_cnt == 0) list_add_last(&cache->link, &cache_list);
        cache->wait_list_buf[cache->wait_list_cnt++] = current_client;
        channel_lock(current_client.channel);
    }
#ifndef NDEBUG
    else if (current_client.client == NULL) {
        trace(LOG_ALWAYS, "cache_wait(): illegal cache access at %s:%d", file, line);
    }
#endif
    cache_miss_cnt++;
    exception(ERR_CACHE_MISS);
}
Example #8
0
/* strdup2() with concatenation and  end-of-memory checking. */
char * loc_strdup2(const char * s1, const char * s2) {
    size_t l1 = strlen(s1);
    size_t l2 = strlen(s2);
    char * rval = (char *)loc_alloc(l1 + l2 + 1);
    memcpy(rval, s1, l1);
    memcpy(rval + l1, s2, l2 + 1);
    return rval;
}
Example #9
0
void sigset_copy(SigSet * dst, SigSet * src) {
    dst->cnt = src->cnt;
    dst->max = src->cnt;
    dst->buf = NULL;
    if (dst->max > 0) {
        dst->buf = (unsigned *)loc_alloc(sizeof(unsigned) * dst->max);
        memcpy(dst->buf, src->buf, sizeof(unsigned) * dst->cnt);
    }
}
Example #10
0
void ini_port_server_service(const char * name_ext, Protocol * proto, TCFBroadcastGroup * bcg) {
    char * service_name = (char *)loc_alloc(strlen("PortServer") + (name_ext == NULL ? 1 : strlen(name_ext) + 1));
    sprintf(service_name, "PortServer%s", name_ext == NULL ? "" : name_ext);
    add_command_handler(proto, service_name, "getConfig", port_server_cmd_get_config);
    add_command_handler(proto, service_name, "create", port_server_cmd_create);
    add_command_handler(proto, service_name, "list", port_server_cmd_list);
    add_command_handler(proto, service_name, "delete", port_server_cmd_delete);
    add_command_handler(proto, service_name, "getCapabilities", port_server_cmd_get_capabilities);
}
Example #11
0
static struct luaref *luaref_new(lua_State *L, void * owner)
{
    struct luaref *refp = (struct luaref *)loc_alloc(sizeof *refp);

    refp->ref = luaL_ref(L, LUA_REGISTRYINDEX);
    refp->owner = owner;
    refp->next = refroot;
    refroot = refp;
    return refp;
}
Example #12
0
File: json.c Project: eswartz/emul
static void realloc_buf(void) {
    if (buf == NULL) {
        buf_size = 0x1000;
        buf = (char *)loc_alloc(buf_size);
    }
    else {
        buf_size *= 2;
        buf = (char *)loc_realloc(buf, buf_size);
    }
}
Example #13
0
static Location * read_location_list(InputStream * inp, unsigned * cnt) {
    Location * locs = NULL;

    buf_pos = 0;
    json_read_array(inp, read_location, NULL);
    locs = (Location *)loc_alloc(buf_pos * sizeof(Location));
    memcpy(locs, buf, buf_pos * sizeof(Location));
    *cnt = buf_pos;
    return locs;
}
Example #14
0
File: test.c Project: eswartz/emul
int run_test_process(ContextAttachCallBack * done, void * data) {
#if defined(WIN32)
    char fnm[FILE_PATH_SIZE];
    char cmd[FILE_PATH_SIZE];
    int res = 0;
    STARTUPINFO si;
    PROCESS_INFORMATION prs;
    ContextAttachArgs * args;

    memset(&si, 0, sizeof(si));
    memset(&prs, 0, sizeof(prs));
    memset(fnm, 0, sizeof(fnm));
    if (GetModuleFileName(NULL, fnm, sizeof(fnm)) == 0) {
        set_win32_errno(GetLastError());
        return -1;
    }
    si.cb = sizeof(si);
    strcpy(cmd, "agent.exe -t");
    if (CreateProcess(fnm, cmd, NULL, NULL,
            FALSE, CREATE_SUSPENDED | CREATE_DEFAULT_ERROR_MODE | CREATE_NO_WINDOW,
            NULL, NULL, &si, &prs) == 0) {
        set_win32_errno(GetLastError());
        return -1;
    }
    args = (ContextAttachArgs *)loc_alloc(sizeof(ContextAttachArgs));
    args->done = done;
    args->data = data;
    args->thread = prs.hThread;
    args->process = prs.hProcess;
    res = context_attach(prs.dwProcessId, done_context_attach, args, 0);
    if (res != 0) loc_free(args);
    return res;
#elif defined(_WRS_KERNEL)
    int tid = taskCreate("tTcf", 100, 0, 0x4000, (FUNCPTR)test_proc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
    if (tid == 0) return -1;
    taskStop(tid);
    taskActivate(tid);
    assert(taskIsStopped(tid));
    return context_attach(tid, done, data, 0);
#else
    /* Create child process to debug */
    int pid = fork();
    if (pid < 0) return -1;
    if (pid == 0) {
        int fd;
        if (context_attach_self() < 0) exit(1);
        fd = sysconf(_SC_OPEN_MAX);
        while (fd-- > 2) close(fd);
        if (tkill(getpid(), SIGSTOP) < 0) exit(1);
        test_proc();
        exit(0);
    }
    return context_attach(pid, done, data, CONTEXT_ATTACH_SELF);
#endif
}
Example #15
0
static void run_cache_client(int retry) {
    Trap trap;
    unsigned i;
    unsigned id = current_client.id;
    void * args_copy = NULL;

    assert(id != 0);
    current_cache = NULL;
    cache_miss_cnt = 0;
    def_channel = NULL;
    if (current_client.args_copy) args_copy = current_client.args;
    for (i = 0; i < listeners_cnt; i++) listeners[i](retry ? CTLE_RETRY : CTLE_START);
    if (set_trap(&trap)) {
        current_client.client(current_client.args);
        clear_trap(&trap);
        assert(current_client.id == 0);
        assert(cache_miss_cnt == 0);
    }
    else if (id != current_client.id) {
        trace(LOG_ALWAYS, "Unhandled exception in data cache client: %s", errno_to_str(trap.error));
        assert(current_client.id == 0);
        assert(cache_miss_cnt == 0);
    }
    else {
        if (get_error_code(trap.error) != ERR_CACHE_MISS || cache_miss_cnt == 0 || current_cache == NULL) {
            trace(LOG_ALWAYS, "Unhandled exception in data cache client: %s", errno_to_str(trap.error));
            for (i = 0; i < listeners_cnt; i++) listeners[i](CTLE_COMMIT);
        }
        else {
            AbstractCache * cache = current_cache;
            if (cache->wait_list_cnt >= cache->wait_list_max) {
                cache->wait_list_max += 8;
                cache->wait_list_buf = (WaitingCacheClient *)loc_realloc(cache->wait_list_buf, cache->wait_list_max * sizeof(WaitingCacheClient));
            }
            if (current_client.args != NULL && !current_client.args_copy) {
                void * mem = loc_alloc(current_client.args_size);
                memcpy(mem, current_client.args, current_client.args_size);
                current_client.args = mem;
                current_client.args_copy = 1;
            }
            if (cache->wait_list_cnt == 0) list_add_last(&cache->link, &cache_list);
            if (current_client.channel != NULL) channel_lock_with_msg(current_client.channel, channel_lock_msg);
            cache->wait_list_buf[cache->wait_list_cnt++] = current_client;
            for (i = 0; i < listeners_cnt; i++) listeners[i](CTLE_ABORT);
            args_copy = NULL;
        }
        memset(&current_client, 0, sizeof(current_client));
        current_cache = NULL;
        cache_miss_cnt = 0;
        def_channel = NULL;
    }
    if (args_copy != NULL) loc_free(args_copy);
}
Example #16
0
int context_attach(pid_t pid, ContextAttachCallBack * done, void * data, int mode) {
    AttachDoneArgs * args = (AttachDoneArgs *)loc_alloc(sizeof(AttachDoneArgs));

    assert(done != NULL);
    assert((mode & CONTEXT_ATTACH_SELF) == 0);
    args->pid = pid;
    args->done = done;
    args->data = data;
    post_event(event_attach_done, args);

    return 0;
}
Example #17
0
void peer_server_add_listener(peer_server_listener fnp, void * arg) {
    if (listeners_max == 0) {
        listeners_max = 4;
        listeners = (PeersListener *)loc_alloc(listeners_max * sizeof(PeersListener));
    }
    else if (listeners_cnt == listeners_max) {
        listeners_max *= 2;
        listeners = (PeersListener *)loc_realloc(listeners, listeners_max * sizeof(PeersListener));
    }
    listeners[listeners_cnt].fnp = fnp;
    listeners[listeners_cnt].arg = arg;
    listeners_cnt++;
}
static void command_write(char * token, Channel * c) {
    char id[256];
    OpenFileInfo * h = NULL;
    int64_t offset;
    unsigned long len = 0;
    JsonReadBinaryState state;

    static size_t buf_size = 0;
    static char * buf = NULL;

    json_read_string(&c->inp, id, sizeof(id));
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    offset = json_read_int64(&c->inp);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);

    json_read_binary_start(&state, &c->inp);

    h = find_open_file_info(id);
    for (;;) {
        int rd;
        if (buf_size < len + BUF_SIZE) {
            buf_size += BUF_SIZE;
            buf = loc_realloc(buf, buf_size);
        }
        rd = json_read_binary_data(&state, buf + len, buf_size - len);
        if (rd == 0) break;
        len += rd;
    }
    json_read_binary_end(&state);
    if (read_stream(&c->inp) != 0) exception(ERR_JSON_SYNTAX);
    if (read_stream(&c->inp) != MARKER_EOM) exception(ERR_JSON_SYNTAX);

    if (h == NULL) {
        reply_write(token, &c->out, EBADF);
    }
    else {
        IORequest * req = create_io_request(token, h, REQ_WRITE);
        if (offset < 0) {
            req->info.type = AsyncReqWrite;
        }
        else {
            req->info.type = AsyncReqSeekWrite;
            req->info.u.fio.offset = (off_t)offset;
        }
        req->info.u.fio.fd = h->file;
        req->info.u.fio.bufp = loc_alloc(len);
        req->info.u.fio.bufsz = len;
        memcpy(req->info.u.fio.bufp, buf, len);
        post_io_requst(h);
    }
}
Example #19
0
int set_errno(int no, const char * msg) {
    errno = no;
    if (no != 0 && msg != NULL) {
        ErrorMessage * m = alloc_msg(SRC_MESSAGE);
        /* alloc_msg() assigns new value to 'errno',
         * need to be sure it does not change until this function exits.
         */
        int err = errno;
        m->error = get_error_code(no);
        if (no == ERR_OTHER) {
            m->text = loc_strdup(msg);
        }
        else {
            size_t msg_len = strlen(msg);
            if (msg_len == 0) {
                m->text = loc_strdup(errno_to_str(no));
            }
            else {
                const char * text0 = tmp_strdup(msg);
                const char * text1 = errno_to_str(no);
                if (text0[msg_len - 1] == '.' || text0[msg_len - 1] == '\n') {
                    size_t len = msg_len + strlen(text1) + 2;
                    char * text2 = (char *)loc_alloc(len);
                    snprintf(text2, len, "%s %s", text0, text1);
                    m->text = text2;
                }
                else {
                    size_t len = msg_len + strlen(text1) + 3;
                    char * text2 = (char *)loc_alloc(len);
                    snprintf(text2, len, "%s. %s", text0, text1);
                    m->text = text2;
                }
            }
        }
        errno = err;
    }
    return errno;
}
Example #20
0
static event_node * alloc_node(void (*handler)(void *), void * arg) {
    event_node * node;
    if (free_queue != NULL) {
        node = free_queue;
        free_queue = node->next;
        free_queue_size--;
    }
    else {
        node = (event_node *)loc_alloc(sizeof(event_node));
    }
    memset(node, 0, sizeof(event_node));
    node->handler = handler;
    node->arg = arg;
    return node;
}
Example #21
0
static MemoryCommandArgs * read_command_args(char * token, Channel * c, int cmd) {
    int err = 0;
    char id[256];
    MemoryCommandArgs buf;
    memset(&buf, 0, sizeof(buf));

    json_read_string(&c->inp, id, sizeof(id));
    json_test_char(&c->inp, MARKER_EOA);
    buf.addr = (ContextAddress)json_read_uint64(&c->inp);
    json_test_char(&c->inp, MARKER_EOA);
    buf.word_size = (int)json_read_long(&c->inp);
    json_test_char(&c->inp, MARKER_EOA);
    buf.size = (int)json_read_long(&c->inp);
    json_test_char(&c->inp, MARKER_EOA);
    buf.mode = (int)json_read_long(&c->inp);
    json_test_char(&c->inp, MARKER_EOA);
    if (cmd == CMD_GET) json_test_char(&c->inp, MARKER_EOM);

    buf.ctx = id2ctx(id);
    if (buf.ctx == NULL) err = ERR_INV_CONTEXT;
    else if (buf.ctx->exited) err = ERR_ALREADY_EXITED;
    else if (buf.ctx->mem_access == 0) err = ERR_INV_CONTEXT;

    if (err != 0) {
        if (cmd != CMD_GET) {
            int ch;
            do ch = read_stream(&c->inp);
            while (ch != MARKER_EOM && ch != MARKER_EOS);
        }

        write_stringz(&c->out, "R");
        write_stringz(&c->out, token);
        if (cmd == CMD_GET) write_stringz(&c->out, "null");
        write_errno(&c->out, err);
        write_stringz(&c->out, "null");
        write_stream(&c->out, MARKER_EOM);
        return NULL;
    }
    else {
        MemoryCommandArgs * args = (MemoryCommandArgs *)loc_alloc(sizeof(MemoryCommandArgs));
        *args = buf;
        args->c = c;
        strlcpy(args->token, token, sizeof(args->token));
        channel_lock(c);
        context_lock(buf.ctx);
        return args;
    }
}
Example #22
0
int get_symbol_children(const Symbol * sym, Symbol *** children, int * count) {

    static const DWORD FINDCHILDREN_BUF_SIZE = 64;
    static TI_FINDCHILDREN_PARAMS * params = NULL;
    static Symbol ** buf = NULL;
    static unsigned buf_len = 0;

    DWORD cnt = 0;
    Symbol type = *sym;
    DWORD tag = 0;

    assert(sym->magic == SYMBOL_MAGIC);
    if (sym->base || sym->info) {
        *children = NULL;
        *count = 0;
        return 0;
    }
    if (get_type_tag(&type, &tag)) return -1;
    if (get_type_info(&type, TI_GET_CHILDRENCOUNT, &cnt) < 0) return -1;
    if (params == NULL) params = (TI_FINDCHILDREN_PARAMS *)loc_alloc(
        sizeof(TI_FINDCHILDREN_PARAMS) + (FINDCHILDREN_BUF_SIZE - 1) * sizeof(ULONG));

    if (buf_len < cnt) {
        buf = (Symbol **)loc_realloc(buf, sizeof(Symbol *) * cnt);
        buf_len = cnt;
    }
    params->Start = 0;
    while (params->Start < cnt) {
        DWORD i = cnt - (DWORD)params->Start;
        params->Count = i > FINDCHILDREN_BUF_SIZE ? FINDCHILDREN_BUF_SIZE : i;
        if (get_type_info(&type, TI_FINDCHILDREN, params) < 0) return -1;
        for (i = 0; params->Start < cnt; i++) {
            DWORD dword = 0;
            Symbol * x = alloc_symbol();
            *x = *sym;
            x->index = params->ChildId[i];
            if (get_type_info(x, TI_GET_SYMTAG, &dword) < 0) return -1;
            tag2symclass(x, dword);
            buf[params->Start++] = x;
        }
    }

    *children = buf;
    *count = cnt;
    return 0;
}
void post_safe_event(int mem, EventCallBack * done, void * arg) {
    SafeEvent * i = (SafeEvent *)loc_alloc(sizeof(SafeEvent));
    i->mem = mem;
    i->done = done;
    i->arg = arg;
    if (safe_event_list == NULL) {
        assert(safe_event_pid_count == 0);
        if (!are_channels_suspended(suspend_group)) {
            channels_suspend(suspend_group);
            cmdline_suspend();
            post_event(run_safe_events, (void *)++safe_event_generation);
        }
    }
    assert(are_channels_suspended(suspend_group));
    i->next = safe_event_list;
    safe_event_list = i;
}
Example #24
0
int pthread_create(pthread_t * res, const pthread_attr_t * attr,
                   void * (*start)(void *), void * args) {
    HANDLE thread = NULL;
    DWORD thread_id = 0;
    ThreadArgs * a = (ThreadArgs *)loc_alloc(sizeof(ThreadArgs));

    a->start = start;
    a->args = args;
    thread = CreateThread(0, 0, (LPTHREAD_START_ROUTINE)start_thread, a, 0, &thread_id);
    if (thread == NULL) {
        int err = set_win32_errno(GetLastError());
        loc_free(a);
        return errno = err;
    }
    if (!CloseHandle(thread)) return set_win32_errno(GetLastError());
    *res = (pthread_t)thread_id;
    return 0;
}
static void np_post_read(InputBuf * ibuf, unsigned char * buf, size_t size) {
    ChannelNP * c = ibuf2np(ibuf);
    NpIOReq * req;

    if (c->read_pending) return;
    req = loc_alloc(sizeof(NpIOReq));
    req->bufp = buf;
    req->bufsz = size;
    req->np_sock = c->np_socket;
    c->read_pending = 1;
    c->read_buf = buf;
    c->read_buf_size = size;
    c->rd_req.u.user.func = np_wt_read_request;
    c->rd_req.u.user.data = req;
    c->rd_req.type = AsyncReqUser;
    async_req_post(&c->rd_req);
    trace(LOG_PROTOCOL, "post read request ");

}
static void post_write_request(OutputBuffer * bf) {
    ChannelNP * c = obuf2np(bf->queue);

    assert(c->socket != NOPOLL_INVALID_SOCKET);

    c->wr_req.client_data = c;
    c->wr_req.done = done_write_request;
    {
        NpIOReq * req = loc_alloc( sizeof(NpIOReq));
        req->bufp = bf->buf + bf->buf_pos;
        req->bufsz = bf->buf_len - bf->buf_pos;
        req->np_sock = c->np_socket;
        c->wr_req.type = AsyncReqUser;
        c->wr_req.u.user.data = req;
        c->wr_req.u.user.func = np_wt_write_request;
        async_req_post(&c->wr_req);
    }
    np_lock(&c->chan);
}
Example #27
0
static void event_attach_done(void * x) {
    AttachDoneArgs * args = (AttachDoneArgs *)x;
    if (context_find_from_pid(args->pid, 0) != NULL) {
        args->done(ERR_ALREADY_ATTACHED, NULL, args->data);
    }
    else {
        Context * ctx = NULL;
        if (parent_ctx == NULL) {
            pid_t pid = taskIdSelf();
            parent_ctx = create_context(pid2id(pid, 0));
            EXT(parent_ctx)->pid = pid;
            parent_ctx->mem = parent_ctx;
            parent_ctx->mem_access |= MEM_ACCESS_INSTRUCTION;
            parent_ctx->mem_access |= MEM_ACCESS_DATA;
            parent_ctx->big_endian = big_endian_host();
            link_context(parent_ctx);
            send_context_created_event(parent_ctx);
        }
        assert(parent_ctx->ref_count > 0);
        ctx = create_context(pid2id(args->pid, EXT(parent_ctx)->pid));
        EXT(ctx)->pid = args->pid;
        EXT(ctx)->regs = (REG_SET *)loc_alloc(sizeof(REG_SET));
        ctx->mem = parent_ctx;
        ctx->big_endian = parent_ctx->big_endian;
        (ctx->parent = parent_ctx)->ref_count++;
        list_add_last(&ctx->cldl, &parent_ctx->children);
        link_context(ctx);
        trace(LOG_CONTEXT, "context: attached: ctx %#lx, id %#x", ctx, EXT(ctx)->pid);
        send_context_created_event(ctx);
        args->done(0, ctx, args->data);
        if (taskIsStopped(args->pid)) {
            struct event_info * info;
            ctx->pending_intercept = 1;
            info = event_info_alloc(EVENT_HOOK_STOP);
            if (info != NULL) {
                info->stopped_ctx.ctxId = args->pid;
                event_info_post(info);
            }
        }
    }
    loc_free(x);
}
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 #29
0
static void * event_thread_func(void * arg) {
    taskPrioritySet(0, VX_TASK_PRIORITY_MIN);
    for (;;) {
        struct event_info * info = loc_alloc(sizeof(struct event_info));
        semTake(events_signal, WAIT_FOREVER);

        SPIN_LOCK_ISR_TAKE(&events_lock);
        if (events_buf_overflow && events_inp == events_out) {
            SPIN_LOCK_ISR_GIVE(&events_lock);
            loc_free(info);
            break;
        }
        assert(events_inp != events_out);
        *info = events[events_out];
        events_out = (events_out + 1) % MAX_EVENTS;
        SPIN_LOCK_ISR_GIVE(&events_lock);

        post_event(event_handler, info);
    }
    post_event(event_error, NULL);
    return NULL;
}
static void np_server_accept_done(void * x) {
    AsyncReqInfo * req = (AsyncReqInfo *)x;
    ServerNP * si = (ServerNP *)req->client_data;
    if (si->sock < 0) {
        /* Server closed. */
        loc_free(si);
        return;
    }
    if (req->error) {
        trace(LOG_ALWAYS, "Socket accept failed: %s", errno_to_str(req->error));
    }
    else {
        ChannelNP * c = create_channel(si->np_sock, si->is_ssl, 1);
        if (c == NULL) {
            trace(LOG_ALWAYS, "Cannot create channel for accepted connection: %s", errno_to_str(errno));
            closesocket(req->u.acc.rval);
        }
        else {
            struct sockaddr * addr_buf; /* Socket remote address */
            socklen_t addr_len;
#if defined(SOCK_MAXADDRLEN)
            addr_len = SOCK_MAXADDRLEN;
#else
            addr_len = 0x1000;
#endif
            addr_buf = (struct sockaddr *)loc_alloc(addr_len);
            if (getpeername(nopoll_conn_socket (si->np_sock), addr_buf, &addr_len) < 0) {
                trace(LOG_ALWAYS, "Unable to get peer remote name: %s", errno_to_str(errno));
                closesocket(req->u.acc.rval);
            }
            else {
                set_peer_addr(c, addr_buf, addr_len);
                si->serv.new_conn(&si->serv, &c->chan);
            }
            loc_free(addr_buf);
        }
    }
    async_req_post(req);
}