| 1 | #ifndef FDPASS_H
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| 2 | #define FDPASS_H
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| 3 |
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| 4 | /* Send data and send_fd (unless it's -1) via sendmsg(). Returns number of
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| 5 | bytes sent, or -1 on error. If at least 1 byte was sent, the send_fd was
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| 6 | also sent. */
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| 7 | ssize_t fd_send(int handle, int send_fd, const void *data, size_t size);
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| 8 |
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| 9 | /* Receive data and fd via recvmsg(). Returns number of bytes read, 0 on
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| 10 | disconnection, or -1 on error. If at least 1 byte was read, the fd is also
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| 11 | returned (if it had been sent). If there was no fd received, it's set to
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| 12 | -1. See test-istream-unix.c for different test cases. */
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| 13 | ssize_t fd_read(int handle, void *data, size_t size, int *fd_r);
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| 14 |
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| 15 | #endif
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