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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/system_profile_SUITE_data/echo_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/system_profile_SUITE_data/echo_drv.c')
-rw-r--r-- | erts/emulator/test/system_profile_SUITE_data/echo_drv.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/erts/emulator/test/system_profile_SUITE_data/echo_drv.c b/erts/emulator/test/system_profile_SUITE_data/echo_drv.c new file mode 100644 index 0000000000..d968ff06f9 --- /dev/null +++ b/erts/emulator/test/system_profile_SUITE_data/echo_drv.c @@ -0,0 +1,66 @@ +#include <stdio.h> +#include "erl_driver.h" + +typedef struct _erl_drv_data { + ErlDrvPort erlang_port; +} EchoDrvData; + +static EchoDrvData echo_drv_data, *echo_drv_data_p; + +static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command); +static void echo_drv_stop(EchoDrvData *data_p); +static void echo_drv_output(EchoDrvData *data_p, char *buf, int len); +static void echo_drv_finish(void); +static int echo_drv_control(EchoDrvData *data_p, unsigned int command, + char *buf, int len, + char **rbuf, int rlen); + +static ErlDrvEntry echo_drv_entry = { + NULL, /* init */ + echo_drv_start, + echo_drv_stop, + echo_drv_output, + NULL, /* ready_input */ + NULL, /* ready_output */ + "echo_drv", + echo_drv_finish, + NULL, /* handle */ + echo_drv_control, + NULL, /* timeout */ + NULL, /* outputv */ + NULL /* ready_async */ +}; + +DRIVER_INIT(echo_drv) +{ + echo_drv_data_p = NULL; + return &echo_drv_entry; +} + +static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command) +{ + if (echo_drv_data_p != NULL) { + return ERL_DRV_ERROR_GENERAL; + } + echo_drv_data_p = &echo_drv_data; + echo_drv_data_p->erlang_port = port; + return echo_drv_data_p; +} + +static void echo_drv_stop(EchoDrvData *data_p) { + echo_drv_data_p = NULL; +} + +static void echo_drv_output(EchoDrvData *data_p, char *buf, int len) { + driver_output(data_p->erlang_port, buf, len); +} + +static void echo_drv_finish() { + echo_drv_data_p = NULL; +} + +static int echo_drv_control(EchoDrvData *data_p, unsigned int command, + char *buf, int len, + char **rbuf, int rlen) { + return 0; +} |