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https://github.com/status-im/status-go.git
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e65760ca85
This commit adds basic syncing capabilities with peers if they are both online. It updates the work done on MVDS, but I decided to create the code in status-go instead, since it's very tight to the application (similarly the code that was the inspiration for mvds, bramble, is all tight together at the database level). I reused parts of the protobufs. The flow is: 1) An OFFER message is sent periodically with a bunch of message-ids and group-ids. 2) Anyone can REQUEST some of those messages if not present in their database. 3) The peer will then send over those messages. It's disabled by default, but I am planning to add a way to set up the flags.
40 lines
810 B
C
40 lines
810 B
C
#ifndef _SEMAPHORE_H
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#define _SEMAPHORE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <features.h>
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#define __NEED_time_t
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#define __NEED_struct_timespec
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#include <bits/alltypes.h>
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#include <fcntl.h>
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#define SEM_FAILED ((sem_t *)0)
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typedef struct {
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volatile int __val[4*sizeof(long)/sizeof(int)];
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} sem_t;
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int sem_close(sem_t *);
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int sem_destroy(sem_t *);
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int sem_getvalue(sem_t *__restrict, int *__restrict);
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int sem_init(sem_t *, int, unsigned);
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sem_t *sem_open(const char *, int, ...);
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int sem_post(sem_t *);
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int sem_timedwait(sem_t *__restrict, const struct timespec *__restrict);
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int sem_trywait(sem_t *);
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int sem_unlink(const char *);
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int sem_wait(sem_t *);
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#if _REDIR_TIME64
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__REDIR(sem_timedwait, __sem_timedwait_time64);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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