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#include "Halide.h"
using namespace Halide;
struct MyJITContext : Halide::JITUserContext {
int which_handler = 0;
};
void my_print_handler_1(JITUserContext *u, const char *msg) {
((MyJITContext *)u)->which_handler = 1;
}
void my_print_handler_2(JITUserContext *u, const char *msg) {
((MyJITContext *)u)->which_handler = 2;
}
void my_print_handler_3(JITUserContext *u, const char *msg) {
((MyJITContext *)u)->which_handler = 3;
}
void my_error_handler(JITUserContext *u, const char *msg) {
((MyJITContext *)u)->which_handler = 4;
}
int main(int argc, char **argv) {
Func f;
Var x;
f(x) = print(x);
// Test the appropriate handler is called and the appropriate
// context object is passed to it in a variety of contexts.
MyJITContext ctx1, ctx2;
ctx1.handlers.custom_print = my_print_handler_1;
ctx2.handlers.custom_print = my_print_handler_2;
f.jit_handlers().custom_print = my_print_handler_3;
ctx1.which_handler = 0;
f.realize(&ctx1, {100});
if (ctx1.which_handler != 1) {
printf("Fail to call per-call custom print handler 1: %d\n", ctx1.which_handler);
return 1;
}
ctx2.which_handler = 0;
f.realize(&ctx2, {100});
if (ctx2.which_handler != 2) {
printf("Fail to call per-call custom print handler 2: %d\n", ctx2.which_handler);
return 1;
}
ctx1.handlers.custom_print = nullptr;
f.realize(&ctx1, {100});
if (ctx1.which_handler != 3) {
printf("Fail to call per-Pipeline custom print handler: %d\n", ctx1.which_handler);
return 1;
}
Target t = get_jit_target_from_environment();
if (t.has_feature(Target::CUDA)) {
ctx1.handlers.custom_error = my_error_handler;
Buffer<float> bad_buf(100, 100);
bad_buf.raw_buffer()->device_interface = get_device_interface_for_device_api(DeviceAPI::CUDA);
bad_buf.raw_buffer()->set_host_dirty(true);
bad_buf.raw_buffer()->set_device_dirty(true);
// This should fail and call the hooked error handler, because
// device_dirty is set but there's no device allocation.
bad_buf.copy_to_host(&ctx1);
if (ctx1.which_handler != 4) {
printf("Fail to call custom error handler from context passed to copy_to_host: %d\n", ctx1.which_handler);
return 1;
}
ctx1.which_handler = 0;
// This should also fail
bad_buf.copy_to_device(t, &ctx1);
if (ctx1.which_handler != 4) {
printf("Fail to call custom error handler from context passed to copy_to_device: %d\n", ctx1.which_handler);
return 1;
}
}
printf("Success!\n");
return 0;
}
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