third_party/grpc/src/objective-c/GRPCClient/private/GRPCCompletionQueue.h - Issue 1932353002: Initial checkin of gRPC to third_party/

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Issue 1932353002: Initial checkin of gRPC to third_party/ Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 7 months ago

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1 /* Copyright (c) 2005-2007, Google Inc.	1 /*

	2 *

	3 * Copyright 2015-2016, Google Inc.

2 * All rights reserved.	4 * All rights reserved.

3 *	5 *

4 * Redistribution and use in source and binary forms, with or without	6 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are	7 * modification, are permitted provided that the following conditions are

6 * met:	8 * met:

7 *	9 *

8 * * Redistributions of source code must retain the above copyright	10 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	11 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above	12 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer	13 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the	14 * in the documentation and/or other materials provided with the

13 * distribution.	15 * distribution.

14 * * Neither the name of Google Inc. nor the names of its	16 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from	17 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.	18 * this software without specific prior written permission.

17 *	19 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT	21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR	22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT	23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,	24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT	25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE	29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 *	31 *

30 * ---

31 * Author: Markus Gutschke

32 */	32 */

33	33

34 #ifndef _LINUXTHREADS_H	34 #import <Foundation/Foundation.h>

35 #define _LINUXTHREADS_H	35 #include <grpc/grpc.h>

36	36

37 /* Include thread_lister.h to get the interface that we implement for linux.	37 typedef void(^GRPCQueueCompletionHandler)(bool success);

	38

	39 /**

	40 * This class lets one more easily use \|grpc_completion_queue\|. To use it, pass the value of the

	41 * \|unmanagedQueue\| property of an instance of this class to \|grpc_channel_creat e_call\|. Then for

	42 * every \|grpc_call_*\| method that accepts a tag, you can pass a block of type

	43 * \|GRPCQueueCompletionHandler\| (remembering to cast it using \|__bridge_retained \|). The block is

	44 * guaranteed to eventually be called, by a concurrent queue, and then released. Each such block is

	45 * passed a \|bool\| that tells if the operation was successful.

	46 *

	47 * Release the GRPCCompletionQueue object only after you are not going to pass a ny more blocks to

	48 * the \|grpc_call\| that's using it.

38 */	49 */

	50 @interface GRPCCompletionQueue : NSObject

	51 @property(nonatomic, readonly) grpc_completion_queue *unmanagedQueue;

39	52

40 /* We currently only support x86-32 and x86-64 on Linux. Porting to other	53 + (instancetype)completionQueue;

41 * related platforms should not be difficult.	54 @end

42 */

43 #if (defined(__i386__) \|\| defined(__x86_64__) \|\| defined(__ARM_ARCH_3__) \|\| \

44 defined(__mips__) \|\| defined(__PPC__)) && defined(__linux)

45

46 /* Define the THREADS symbol to make sure that there is exactly one core dumper

47 * built into the library.

48 */

49 #define THREADS "Linux /proc"

50

51 #endif

52

53 #endif /* _LINUXTHREADS_H */

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