DebugBreak in Unix/ Linux?

Do we have similar windows API of DebugBreak in Unix/ Linux. I want to debug a daemon process which should open NetBeans when De开发者_Python百科bugBreak statement is executed. Thanks in advance.

there is __builtin_trap() GCC intrinsic.

Whav! this is what I am looking for Embedded break points in C http://mainisusuallyafunction.blogspot.in/2012/01/embedding-gdb-breakpoints-in-c-source.html and to get sample program have a look in to https://github.com/kmcallister/embedded-breakpoints