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author | Yuki Okushi <huyuumi.dev@gmail.com> | 2020-04-08 01:37:32 +0900 |
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committer | GitHub <noreply@github.com> | 2020-04-08 01:37:32 +0900 |
commit | f1ad2f5806001000e37cd7c03b0f6ce6c575449e (patch) | |
tree | f1d9e175f150c38ab1301bcbfb6056138b1e2208 | |
parent | 1d9e5fbc04b656a5e8c10b3642578d7a62656c8e (diff) | |
parent | 5b6a3335cac79730d20860b3b9aa5738d0c40377 (diff) | |
download | rust-libc-f1ad2f5806001000e37cd7c03b0f6ce6c575449e.tar.gz |
Merge pull request #1717 from jclulow/illumos-cfmakeraw
fix cfmakeraw() for illumos and Solaris
-rw-r--r-- | src/unix/solarish/compat.rs | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/unix/solarish/compat.rs b/src/unix/solarish/compat.rs index a33645211c..610dd10973 100644 --- a/src/unix/solarish/compat.rs +++ b/src/unix/solarish/compat.rs @@ -4,8 +4,7 @@ use unix::solarish::*; pub unsafe fn cfmakeraw(termios: *mut ::termios) { - let mut t = *termios as ::termios; - t.c_iflag &= !(IMAXBEL + (*termios).c_iflag &= !(IMAXBEL | IGNBRK | BRKINT | PARMRK @@ -14,10 +13,26 @@ pub unsafe fn cfmakeraw(termios: *mut ::termios) { | IGNCR | ICRNL | IXON); - t.c_oflag &= !OPOST; - t.c_lflag &= !(ECHO | ECHONL | ICANON | ISIG | IEXTEN); - t.c_cflag &= !(CSIZE | PARENB); - t.c_cflag |= CS8; + (*termios).c_oflag &= !OPOST; + (*termios).c_lflag &= !(ECHO | ECHONL | ICANON | ISIG | IEXTEN); + (*termios).c_cflag &= !(CSIZE | PARENB); + (*termios).c_cflag |= CS8; + + // By default, most software expects a pending read to block until at + // least one byte becomes available. As per termio(7I), this requires + // setting the MIN and TIME parameters appropriately. + // + // As a somewhat unfortunate artefact of history, the MIN and TIME slots + // in the control character array overlap with the EOF and EOL slots used + // for canonical mode processing. Because the EOF character needs to be + // the ASCII EOT value (aka Control-D), it has the byte value 4. When + // switching to raw mode, this is interpreted as a MIN value of 4; i.e., + // reads will block until at least four bytes have been input. + // + // Other platforms with a distinct MIN slot like Linux and FreeBSD appear + // to default to a MIN value of 1, so we'll force that value here: + (*termios).c_cc[VMIN] = 1; + (*termios).c_cc[VTIME] = 0; } pub unsafe fn cfsetspeed( |