diff --git a/thesis.tex b/thesis.tex index fc1fcf8..1263df6 100644 --- a/thesis.tex +++ b/thesis.tex @@ -2457,7 +2457,7 @@ process, whilst its clone is referred to as the child process. Following an invocation of fork, the parent process is provided with a nonzero identifier for the child process and the child process is provided with the zero identifier. This enables processes to determine -their respective roles in the parent-child relationship, e.g. +their respective role in the parent-child relationship, e.g. % \[ \bl @@ -2469,9 +2469,9 @@ their respective roles in the parent-child relationship, e.g. \] % In our system, we can model fork as an effectful operation, that -returns a boolean to indicate the process role; where by convention we -will interpret the return value $\True$ to mean that the process -assumes the role of parent. +returns a boolean to indicate the process role; by convention we will +interpret the return value $\True$ to mean that the process assumes +the role of parent. % \[ \bl @@ -2484,13 +2484,14 @@ In \UNIX{} the parent process \emph{continues} execution after the fork point, and the child process \emph{begins} its execution after the fork point. % -Thus, operationally, we may understand fork as returning twice. We can -implement this behaviour by invoking the resumption arising from an -invocation of $\Fork$ twice: first with $\True$ to continue the parent -process, and subsequently with $\False$ to continue the child process -(or the other way around if we feel inclined). +Thus, operationally, we may understand fork as returning twice to its +invocation site. We can implement this behaviour by invoking the +resumption arising from an invocation of $\Fork$ twice: first with +$\True$ to continue the parent process, and subsequently with $\False$ +to start the child process (or the other way around if we feel +inclined). % -The following handler realises this behaviour. +The following handler implements this behaviour. % \[ \bl