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| author | Lukas Larsson <[email protected]> | 2015-09-15 15:23:56 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2015-09-16 13:34:36 +0200 |
| commit | 11cf60809a26155c7904771974739f4a51911c93 (patch) | |
| tree | 3cb813dfc28c5a3511fa755d125530732c9d1aa0 | |
| parent | 6b4c2dbd1b4a30f421611987acec6315c62ac9d5 (diff) | |
| download | otp-11cf60809a26155c7904771974739f4a51911c93.tar.gz otp-11cf60809a26155c7904771974739f4a51911c93.tar.bz2 otp-11cf60809a26155c7904771974739f4a51911c93.zip | |
erts: Make sure to deal with EINTR write failures
| -rw-r--r-- | erts/emulator/drivers/unix/ttsl_drv.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c index 53146e71f0..25cad37e25 100644 --- a/erts/emulator/drivers/unix/ttsl_drv.c +++ b/erts/emulator/drivers/unix/ttsl_drv.c @@ -733,13 +733,13 @@ static void ttysl_from_erlang(ErlDrvData ttysl_data, char* buf, ErlDrvSizeT coun else written = 0; if (written < 0) { - if (errno == EAGAIN) { + if (errno == ERRNO_BLOCK || errno == EINTR) { driver_select(ttysl_port,(ErlDrvEvent)(long)ttysl_fd, ERL_DRV_USE|ERL_DRV_WRITE,1); break; } else { - /* we ignore all other errors */ - break; + driver_failure_posix(ttysl_port, errno); + return; } } else { if (driver_deq(ttysl_port, written) == 0) @@ -779,11 +779,12 @@ static void ttysl_to_tty(ErlDrvData ttysl_data, ErlDrvEvent fd) { else written = 0; if (written < 0) { - if (errno == EAGAIN) { - break; - } else { - /* we ignore all other errors */ + if (errno == EINTR) { + continue; + } else if (errno != ERRNO_BLOCK){ + driver_failure_posix(ttysl_port, errno); } + break; } else { sz = driver_deq(ttysl_port, written); if (sz < TTY_BUFFSIZE && ttysl_send_ok) { |