Breakpoint (p.magic-trace.1.0.1.doc.magic-trace.magic_trace_lib.Magic_trace

Sourcetype t

val breakpoint_fd : 
  Core.Pid.t ->
  addr:int64 ->
  single_hit:bool ->
  t Core.Or_error.t

Uses perf_event_open to set a hardware breakpoint at a given address in a process. When that breakpoint is hit the resulting file descriptor will poll as readable.

If single_hit is set the breakpoint will disable itself after being hit once.

Sourceval destroy : t -> unit

Sourcemodule Hit : sig ... end

Sourceval next_hit : t -> Hit.t option

Sourceval fd : t -> Core_unix.File_descr.t

Returns a waitable fd valid only until t is destroyed or GCd