mailbox.h

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#ifndef __TOOLS_MAILBOX_H
#define __TOOLS_MAILBOX_H

typedef struct mailbox *mailbox_t;

mailbox_t mailbox_alloc(mailbox_t *mb, unsigned len)
        __attribute__((warn_unused_result));

void mailbox_destroy(mailbox_t mb);

int mailbox_post(mailbox_t mb, void *data);
int mailbox_wait(mailbox_t mb, void **data);

int mailbox_timedwait(mailbox_t mb, void **data, unsigned timeout);

#endif /* __TOOLS_MAILBOX_H */