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authorSteve Vinoski <[email protected]>2009-11-27 12:37:13 -0500
committerSteve Vinoski <[email protected]>2009-12-01 21:31:30 -0500
commit88b530ea24977081020feb2123124063e58dfc12 (patch)
tree3e1fa8301f22328d0b1cf70edc585bfca5fd8729 /lib/kernel/Makefile
parent2a9b7a1c7816812dd637933a8fbf61bed6742785 (diff)
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Teach sys:get_status/1,2 to call Mod:format_status/2
Restore the ability for gen_server and gen_fsm callback modules to format their own state for display under the sys:get_status/1,2 calls. This ability is extremely useful for new behavior modules based on gen_server or gen_fsm, so that they can display their status in a more meaningful way than just dumping the state record. It is also generally useful for applications wanting to display their gen_server or gen_fsm callback module state in something other than the default manner. Also document the previously undocumented the gen_server:format_status/2 and gen_fsm:format_status/2 optional callback functions that, if exported by the callback module, are invoked when sys:get_status/1,2 are called. Add unit tests to ensure that format_status/2 functions exported from a gen_fsm callback module and a gen_server callback module are called when sys:get_status/1,2 are called.
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