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97ab92ee35
* Use `dart run` instead of `flutter pub run` in the documentation as it is now deprecated. * Use `int64_t` instead of `intptr_t` for `sum` examples.
24 lines
816 B
Cheetah
24 lines
816 B
Cheetah
#include "{{projectName}}.h"
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// A very short-lived native function.
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//
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// For very short-lived functions, it is fine to call them on the main isolate.
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// They will block the Dart execution while running the native function, so
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// only do this for native functions which are guaranteed to be short-lived.
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FFI_PLUGIN_EXPORT int sum(int a, int b) { return a + b; }
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// A longer-lived native function, which occupies the thread calling it.
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//
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// Do not call these kind of native functions in the main isolate. They will
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// block Dart execution. This will cause dropped frames in Flutter applications.
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// Instead, call these native functions on a separate isolate.
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FFI_PLUGIN_EXPORT int sum_long_running(int a, int b) {
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// Simulate work.
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#if _WIN32
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Sleep(5000);
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#else
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usleep(5000 * 1000);
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#endif
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return a + b;
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}
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