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H.5 Pragma Detect_Blocking

1/2
{AI95-00305-01} The following pragma forces an implementation to detect potentially blocking operations within a protected operation. 

Syntax

2/2
{AI95-00305-01} The form of a pragma Detect_Blocking is as follows: 
3/2
  pragma Detect_Blocking;

Post-Compilation Rules

4/2
{AI95-00305-01} A pragma Detect_Blocking is a configuration pragma. 

Dynamic Semantics

5/2
{AI95-00305-01} An implementation is required to detect a potentially blocking operation within a protected operation, and to raise Program_Error (see 9.5.1).

Implementation Permissions

6/2
{AI95-00305-01} An implementation is allowed to reject a compilation_unit if a potentially blocking operation is present directly within an entry_body or the body of a protected subprogram. 
NOTES
7/2
11  {AI95-00305-01} An operation that causes a task to be blocked within a foreign language domain is not defined to be potentially blocking, and need not be detected.

Extensions to Ada 95

7.a/2
{AI95-00305-01} Pragma Detect_Blocking is new. 
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