do {
ret_len = recv(ctx->control_sock, &connect, sizeof(connect), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving version\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &list, sizeof(list), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving session list\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &lsession, sizeof(lsession), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving session\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &rp, sizeof(rp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving attach response\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &stream, sizeof(stream), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving stream\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &rp, sizeof(rp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving data response\n");
ret = ret_len;
mmap_align_addr(pos->base_mma), len,
MSG_WAITALL);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving trace packet\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &rp, sizeof(rp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving metadata response\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, data, len, MSG_WAITALL);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ free(data);
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving trace packet\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &rp, sizeof(rp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving index response\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &resp, sizeof(resp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving create session reply\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &rp, sizeof(rp), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving get_new_streams response\n");
ret = ret_len;
do {
ret_len = recv(ctx->control_sock, &stream, sizeof(stream), 0);
} while (ret_len < 0 && errno == EINTR);
+ if (ret_len == 0) {
+ fprintf(stderr, "[error] Remote side has closed connection\n");
+ ret = -1;
+ goto error;
+ }
if (ret_len < 0) {
fprintf(stderr, "[error] Error receiving stream\n");
ret = ret_len;