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authorLukas Larsson <[email protected]>2017-07-11 18:24:59 +0200
committerLukas Larsson <[email protected]>2017-09-11 15:15:33 +0200
commit7f8e78dee2ff485de7eddce1bfab28d0823031ae (patch)
tree502e87f8013744701e3a3141025a165e6edb046d /erts
parentc00564adbbfbc2a1b6ee2f7e5ad83662354dbce4 (diff)
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erts: Allow read in ttsl driver to return EAGAIN
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/drivers/unix/ttsl_drv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c
index e425b99f16..3d1e58abe3 100644
--- a/erts/emulator/drivers/unix/ttsl_drv.c
+++ b/erts/emulator/drivers/unix/ttsl_drv.c
@@ -891,8 +891,8 @@ static void ttysl_from_tty(ErlDrvData ttysl_data, ErlDrvEvent fd)
tpos = 0;
}
}
- } else {
- DEBUGLOG(("ttysl_from_tty: driver failure in read(%d,..) = %d\n", (int)(SWord)fd, i));
+ } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
+ DEBUGLOG(("ttysl_from_tty: driver failure in read(%d,..) = %d (errno = %d)\n", (int)(SWord)fd, i, errno));
driver_failure(ttysl_port, -1);
}
}