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/*
*
* Copyright 2015, 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 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_SUPPORT_THD_H
#define GRPC_SUPPORT_THD_H
/* Thread interface for GPR.
Types
gpr_thd_id a thread identifier.
(Currently no calls take a thread identifier.
It exists for future extensibility.)
gpr_thd_options options used when creating a thread
*/
#include <grpc/support/port_platform.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef uintptr_t gpr_thd_id;
/* Thread creation options. */
typedef struct {
int flags; /* Opaque field. Get and set with accessors below. */
} gpr_thd_options;
/* Create a new thread running (*thd_body)(arg) and place its thread identifier
in *t, and return true. If there are insufficient resources, return false.
If options==NULL, default options are used.
The thread is immediately runnable, and exits when (*thd_body)() returns. */
GPRAPI int gpr_thd_new(gpr_thd_id *t, void (*thd_body)(void *arg), void *arg,
const gpr_thd_options *options);
/* Return a gpr_thd_options struct with all fields set to defaults. */
GPRAPI gpr_thd_options gpr_thd_options_default(void);
/* Set the thread to become detached on startup - this is the default. */
GPRAPI void gpr_thd_options_set_detached(gpr_thd_options *options);
/* Set the thread to become joinable - mutually exclusive with detached. */
GPRAPI void gpr_thd_options_set_joinable(gpr_thd_options *options);
/* Returns non-zero if the option detached is set. */
GPRAPI int gpr_thd_options_is_detached(const gpr_thd_options *options);
/* Returns non-zero if the option joinable is set. */
GPRAPI int gpr_thd_options_is_joinable(const gpr_thd_options *options);
/* Returns the identifier of the current thread. */
GPRAPI gpr_thd_id gpr_thd_currentid(void);
/* Blocks until the specified thread properly terminates.
Calling this on a detached thread has unpredictable results. */
GPRAPI void gpr_thd_join(gpr_thd_id t);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_SUPPORT_THD_H */
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