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25 lines
629 B
Markdown
25 lines
629 B
Markdown
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## Name
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share\_buffer\_with - allow another process to map a shareable buffer
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## Synopsis
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```**c++
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#include <SharedBuffer.h>
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int share_buffer_with(int shared_buffer_id, pid_t peer_pid);
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```
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## Description
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Gives the process with PID `peer_pid` permission to map the shareable buffer with ID `shared_buffer_id`.
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## Return value
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On success, returns 0. Otherwise, returns -1 and `errno` is set.
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## Errors
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* `EINVAL`: `peer_pid` is invalid, or `shared_buffer_id` is not a valid ID.
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* `EPERM`: The calling process does not have access to the buffer with `shared_buffer_id`.
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* `ESRCH`: No process with PID `peer_pid` is found.
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