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author | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
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committer | Erlang/OTP <[email protected]> | 2009-11-20 14:54:40 +0000 |
commit | 84adefa331c4159d432d22840663c38f155cd4c1 (patch) | |
tree | bff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/emulator/test/ddll_SUITE_data/dummy_drv.c | |
download | otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.gz otp-84adefa331c4159d432d22840663c38f155cd4c1.tar.bz2 otp-84adefa331c4159d432d22840663c38f155cd4c1.zip |
The R13B03 release.OTP_R13B03
Diffstat (limited to 'erts/emulator/test/ddll_SUITE_data/dummy_drv.c')
-rw-r--r-- | erts/emulator/test/ddll_SUITE_data/dummy_drv.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/erts/emulator/test/ddll_SUITE_data/dummy_drv.c b/erts/emulator/test/ddll_SUITE_data/dummy_drv.c new file mode 100644 index 0000000000..e0d5067743 --- /dev/null +++ b/erts/emulator/test/ddll_SUITE_data/dummy_drv.c @@ -0,0 +1,49 @@ +#include <stdio.h> +#include "erl_driver.h" + +#ifndef DRIVER_INIT +# define DRIVER_INIT(x) driver_init +#endif + +static ErlDrvPort erlang_port; +static ErlDrvData dummy_start(ErlDrvPort, char*); +static void dummy_read(ErlDrvData port, char *buf, int count); +static void dummy_stop(ErlDrvData), easy_read(ErlDrvData, char*, int); + +static ErlDrvEntry dummy_driver_entry = { + NULL, + dummy_start, + dummy_stop, + dummy_read, + NULL, + NULL, + "dummy_drv", + NULL +}; + +DRIVER_INIT(dummy_drv) +{ + erlang_port = (ErlDrvPort)-1; + return &dummy_driver_entry; +} + +static ErlDrvData dummy_start(ErlDrvPort port,char *buf) +{ + if (erlang_port != (ErlDrvPort)-1) { + return ERL_DRV_ERROR_GENERAL; + } + + erlang_port = port; + return (ErlDrvData)port; +} + +static void dummy_read(ErlDrvData port, char *buf, int count) +{ + driver_output(erlang_port, buf, count); +} + +static void dummy_stop(ErlDrvData port) +{ + erlang_port = (ErlDrvPort)-1; +} + |