[Pkg-privacy-commits] [libgsecuredelete] 55/168: Add ability to cancel the operations

[Ulrike Uhlig]

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u-guest pushed a commit to branch master
in repository libgsecuredelete.

commit e46a043bdb60b9169273ab735dd36a473a0cc913
Author: Colomban Wendling <ban at herbesfolles.org>
Date:   Tue Feb 23 22:44:01 2010 +0100

    Add ability to cancel the operations
    
    Add AsyncOperation.cancel() to cancel a running operation.
---
 gsecuredelete/async-operation.vala | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/gsecuredelete/async-operation.vala b/gsecuredelete/async-operation.vala
index 430d7d3..cae984e 100644
--- a/gsecuredelete/async-operation.vala
+++ b/gsecuredelete/async-operation.vala
@@ -320,6 +320,24 @@ namespace Gsd
       return ! finished;
     }
     
+    /** cancel:
+     * Tries to cancel the operation.
+     * 
+     * Returns: %true if successfully canceled, %false otherwise.
+     */
+    public bool cancel ()
+      requires (this.busy)
+    {
+      int kill_status;
+      
+      kill_status = Posix.kill ((Posix.pid_t)this.pid, ProcessSignal.TERM);
+      if (kill_status < 0) {
+        critical ("kill() failed: %s", strerror (errno));
+      }
+      
+      return ! (kill_status < 0);
+    }
+    
     /** run:
      * @working_directory: the working directory of the child process, or null
      *                     to use the parent's one.

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