Cleanup callback facilities
Name
ggRegisterCleanup, ggUnregisterCleanup, ggCleanupForceExit : Cleanup callback facilities
Synopsis
#include <ggi/gg.h> typedef void (ggcleanup_func)(void *); int ggRegisterCleanup(ggcleanup_func *func, void *arg); int ggUnregisterCleanup(ggcleanup_func *func, void *arg); void ggCleanupForceExit(void);
Description
ggRegisterCleanup registers a callback to be executed on exit. The function will be called with its argument.
ggUnregisterCleanup cancels a callback installed with ggRegisterCleanup.
Once ggCleanupForceExit is called, _exit(2) will be explicitly called after all cleanup callbacks.
Return value
ggRegisterCleanup and ggUnregisterCleanup return 0 on success, a negative error code otherwise.