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author | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
commit | 98cfd6016f8b40fc97e03b31177d14318349040f (patch) | |
tree | c0fcdd768071c36bfbcbf186d369d9ca14c47421 /erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c | |
parent | e2ca71b6e7172b320b5b171359d53a161383fb19 (diff) | |
parent | 3825199794da28d79b21052a2e69e2335921d55e (diff) | |
download | otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.gz otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.bz2 otp-98cfd6016f8b40fc97e03b31177d14318349040f.zip |
Merge tag 'OTP-21.2' into sverker/map-from-ks-vs-bug
Diffstat (limited to 'erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c')
-rw-r--r-- | erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c b/erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c new file mode 100644 index 0000000000..2b3510c641 --- /dev/null +++ b/erts/emulator/test/dirty_nif_SUITE_data/echo_drv.c @@ -0,0 +1,62 @@ +#include <stdio.h> +#include "erl_driver.h" + +static ErlDrvPort erlang_port; +static ErlDrvData echo_start(ErlDrvPort, char *); +static void from_erlang(ErlDrvData, char*, ErlDrvSizeT); +static ErlDrvSSizeT echo_call(ErlDrvData drv_data, unsigned int command, + char *buf, ErlDrvSizeT len, + char **rbuf, ErlDrvSizeT rlen, unsigned *ret_flags); +static ErlDrvEntry echo_driver_entry = { + NULL, /* Init */ + echo_start, + NULL, /* Stop */ + from_erlang, + NULL, /* Ready input */ + NULL, /* Ready output */ + "echo_drv", + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + echo_call, + NULL, + ERL_DRV_EXTENDED_MARKER, + ERL_DRV_EXTENDED_MAJOR_VERSION, + ERL_DRV_EXTENDED_MINOR_VERSION, + 0, + NULL, + NULL, + NULL +}; + +DRIVER_INIT(echo_drv) +{ + return &echo_driver_entry; +} + +static ErlDrvData +echo_start(ErlDrvPort port, char *buf) +{ + return (ErlDrvData) port; +} + +static void +from_erlang(ErlDrvData data, char *buf, ErlDrvSizeT count) +{ + driver_output((ErlDrvPort) data, buf, count); +} + +static ErlDrvSSizeT +echo_call(ErlDrvData drv_data, unsigned int command, + char *buf, ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen, + unsigned *ret_flags) +{ + *rbuf = buf; + *ret_flags |= DRIVER_CALL_KEEP_BUFFER; + return len; +} + |