There are many much more knowledgeable than me on this, but I know there's
a good section in the manual to help you get started:
http://docs.julialang.org/en/latest/devdocs/C/
-Jacob
On Tue, Aug 9, 2016 at 9:53 AM, Adrian Salceanu <adrian.salce...@gmail.com>
wrote:
> I ran into an issue where apparently at random I get segmentation faults -
> how can I find out what exactly is causing the problem?
>
> Here is the dump:
> signal (11): Segmentation fault: 11
> julia_call_23669 at (unknown line)
> disposable_instance at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src
> /Model.jl:647
> to_select_part at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/
> Model.jl:262
> to_fetch_sql at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/Model.
> jl:542
> find at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/Model.jl:40
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> find_one_by at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/Model.
> jl:55
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> current_user at /Users/adrian/Dropbox/Projects/jinnie/app/resources/users/
> model.jl:64
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/gf.c:1691
> with_authorization at /Users/adrian/Dropbox/Projects/jinnie/app/resources/
> users/model.jl:82
> articles at /Users/adrian/Dropbox/Projects/jinnie/app/resources/articles
> /./modules/AdminController.jl:6
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> jl_f_invoke at /private/tmp/julia-20160615-15177-tdcnou/src/builtins.c:
> 1114
> invoke_controller at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/
> Router.jl:187
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> match_routes at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/Router
> .jl:73
> route_request at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/
> Router.jl:44
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> anonymous at /Users/adrian/Dropbox/Projects/jinnie/lib/Genie/src/AppServer
> .jl:18
> on_message_complete at /Users/adrian/.julia/v0.4/HttpServer/src/HttpServer
> .jl:400
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> on_message_complete at /Users/adrian/.julia/v0.4/HttpServer/src/
> RequestParser.jl:104
> jlcapi_on_message_complete_21686 at (unknown line)
> http_parser_execute at /Users/adrian/.julia/v0.4/HttpParser/deps/usr/lib/
> libhttp_parser.dylib (unknown line)
> http_parser_execute at /Users/adrian/.julia/v0.4/HttpParser/src/HttpParser
> .jl:92
> process_client at /Users/adrian/.julia/v0.4/HttpServer/src/HttpServer.jl:
> 365
> jlcall_process_client_23170 at (unknown line)
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> anonymous at task.jl:447
> jl_apply at /private/tmp/julia-20160615-15177-tdcnou/src/./julia.h:1331
> [1] 50892 segmentation fault ./genie.jl s
>
> and this is the last known function (which works ok in different
> circumstances):
>
> function disposable_instance{T<:AbstractModel}(m::Type{T})
> if m <: AbstractModel
> return m()
> else
> error("$m is not a concrete subtype of AbstractModel")
> end
> end
>
>
