Last change
on this file since 2cb15b0 was
376946e,
checked in by Thierry Delisle <tdelisle@…>, 4 years ago
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Added io example for using non-blocking ttys.
(Won't work without io_uring)
|
-
Property mode set to
100644
|
File size:
1.2 KB
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Rev | Line | |
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[376946e] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2020 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // io.cfa -- |
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| 8 | // |
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| 9 | // Author : Thierry Delisle |
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| 10 | // Created On : Thu Feb 18 20:31:00 2021 |
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| 11 | // Last Modified By : |
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| 12 | // Last Modified On : |
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| 13 | // Update Count : |
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| 14 | // |
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| 15 | |
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| 16 | #include <fstream.hfa> |
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| 17 | #include <iofwd.hfa> |
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| 18 | #include <time.hfa> |
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| 19 | #include <thread.hfa> |
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| 20 | |
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| 21 | thread EchoThread {}; |
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| 22 | void main(EchoThread & this) { |
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| 23 | char buffer[100]; |
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| 24 | for() { |
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| 25 | int ret = cfa_read(0, buffer + 1, 97, 0); |
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| 26 | if(ret < 0) { |
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| 27 | serr | "Failed to read from fd 0"; |
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| 28 | exit(1); |
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| 29 | } |
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| 30 | if(ret == 0) return; |
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| 31 | buffer[0] = '\''; |
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| 32 | buffer[ret] = '\''; |
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| 33 | buffer[ret+1] = '\n'; |
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| 34 | ret = cfa_write(1, buffer, ret + 2, 0); |
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| 35 | if(ret < 0) { |
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| 36 | serr | "Failed to write from fd 1 (ET)"; |
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| 37 | exit(1); |
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| 38 | } |
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| 39 | } |
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| 40 | } |
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| 41 | |
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| 42 | thread HeartBeatThread {}; |
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| 43 | void main(HeartBeatThread & this) { |
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| 44 | for() { |
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| 45 | waitfor( ^?{} : this) { |
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| 46 | return; |
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| 47 | } |
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| 48 | or else; |
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| 49 | int ret = cfa_write(1, ".", 1, 0); |
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| 50 | if(ret < 0) { |
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| 51 | serr | "Failed to write from fd 1 (ET)"; |
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| 52 | exit(1); |
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| 53 | } |
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| 54 | sleep(5`s); |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | int main() { |
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| 59 | HeartBeatThread hb; |
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| 60 | { |
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| 61 | EchoThread et; |
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| 62 | } |
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| 63 | } |
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