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-rw-r--r--libtdenetwork/libgpgme-copy/gpgme/wait-private.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/libtdenetwork/libgpgme-copy/gpgme/wait-private.c b/libtdenetwork/libgpgme-copy/gpgme/wait-private.c
new file mode 100644
index 00000000..3f2b819d
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+++ b/libtdenetwork/libgpgme-copy/gpgme/wait-private.c
@@ -0,0 +1,147 @@
+/* wait-private.c
+ Copyright (C) 2000 Werner Koch (dd9jn)
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 g10 Code GmbH
+
+ This file is part of GPGME.
+
+ GPGME 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.
+
+ GPGME 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 program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <assert.h>
+#include <errno.h>
+
+#include "gpgme.h"
+#include "context.h"
+#include "wait.h"
+#include "ops.h"
+#include "priv-io.h"
+#include "util.h"
+
+
+/* The private event loops are used for all blocking operations, and
+ for the key and trust item listing operations. They are completely
+ separated from each other. */
+
+
+/* Internal I/O callback functions. */
+
+/* The add_io_cb and remove_io_cb handlers are shared with the global
+ event loops. */
+
+void
+_gpgme_wait_private_event_cb (void *data, gpgme_event_io_t type,
+ void *type_data)
+{
+ switch (type)
+ {
+ case GPGME_EVENT_START:
+ /* Nothing to do here, as the wait routine is called after the
+ initialization is finished. */
+ break;
+
+ case GPGME_EVENT_DONE:
+ break;
+
+ case GPGME_EVENT_NEXT_KEY:
+ _gpgme_op_keylist_event_cb (data, type, type_data);
+ break;
+
+ case GPGME_EVENT_NEXT_TRUSTITEM:
+ _gpgme_op_trustlist_event_cb (data, type, type_data);
+ break;
+ }
+}
+
+
+/* If COND is a null pointer, wait until the blocking operation in CTX
+ finished and return its error value. Otherwise, wait until COND is
+ satisfied or the operation finished. */
+gpgme_error_t
+_gpgme_wait_on_condition (gpgme_ctx_t ctx, volatile int *cond)
+{
+ gpgme_error_t err = 0;
+ int hang = 1;
+
+ do
+ {
+ int nr = _gpgme_io_select (ctx->fdt.fds, ctx->fdt.size, 0);
+ unsigned int i;
+
+ if (nr < 0)
+ {
+ /* An error occured. Close all fds in this context, and
+ signal it. */
+ unsigned int idx;
+
+ err = gpg_error_from_errno (errno);
+ for (idx = 0; idx < ctx->fdt.size; idx++)
+ if (ctx->fdt.fds[idx].fd != -1)
+ _gpgme_io_close (ctx->fdt.fds[idx].fd);
+ _gpgme_engine_io_event (ctx->engine, GPGME_EVENT_DONE, &err);
+
+ return err;
+ }
+
+ for (i = 0; i < ctx->fdt.size && nr; i++)
+ {
+ if (ctx->fdt.fds[i].fd != -1 && ctx->fdt.fds[i].signaled)
+ {
+ ctx->fdt.fds[i].signaled = 0;
+ assert (nr);
+ nr--;
+
+ err = _gpgme_run_io_cb (&ctx->fdt.fds[i], 0);
+ if (err)
+ {
+ /* An error occured. Close all fds in this context,
+ and signal it. */
+ unsigned int idx;
+
+ for (idx = 0; idx < ctx->fdt.size; idx++)
+ if (ctx->fdt.fds[idx].fd != -1)
+ _gpgme_io_close (ctx->fdt.fds[idx].fd);
+ _gpgme_engine_io_event (ctx->engine, GPGME_EVENT_DONE, &err);
+ return err;
+ }
+ }
+ }
+
+ for (i = 0; i < ctx->fdt.size; i++)
+ if (ctx->fdt.fds[i].fd != -1)
+ break;
+ if (i == ctx->fdt.size)
+ {
+ _gpgme_engine_io_event (ctx->engine, GPGME_EVENT_DONE, &err);
+ hang = 0;
+ }
+ if (cond && *cond)
+ hang = 0;
+ }
+ while (hang);
+
+ return 0;
+}
+
+
+/* Wait until the blocking operation in context CTX has finished and
+ return the error value. */
+gpgme_error_t
+_gpgme_wait_one (gpgme_ctx_t ctx)
+{
+ return _gpgme_wait_on_condition (ctx, NULL);
+}