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os: workaround _ = C.pipe(&pipeset[0])
gcc warning warning: ignoring return value of pipe declared with attribute warn_unused_result
(#12046)
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@ -5,9 +5,10 @@ fn C.setpgid(pid int, pgid int) int
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fn (mut p Process) unix_spawn_process() int {
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fn (mut p Process) unix_spawn_process() int {
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mut pipeset := [6]int{}
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mut pipeset := [6]int{}
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if p.use_stdio_ctl {
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if p.use_stdio_ctl {
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_ = C.pipe(&pipeset[0]) // pipe read end 0 <- 1 pipe write end
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mut dont_care := C.pipe(&pipeset[0]) // pipe read end 0 <- 1 pipe write end
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_ = C.pipe(&pipeset[2]) // pipe read end 2 <- 3 pipe write end
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dont_care = C.pipe(&pipeset[2]) // pipe read end 2 <- 3 pipe write end
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_ = C.pipe(&pipeset[4]) // pipe read end 4 <- 5 pipe write end
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dont_care = C.pipe(&pipeset[4]) // pipe read end 4 <- 5 pipe write end
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_ = dont_care // using `_` directly on each above `pipe` fails to avoid C compiler generate an `-Wunused-result` warning
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}
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}
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pid := fork()
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pid := fork()
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if pid != 0 {
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if pid != 0 {
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