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Fixes long-standing random hang of exec.
2009-05-25 Samuel Thibault <samuel.thibault@ens-lyon.org>
* exec.c (finish): Set FILE_DATA and MAP_BUFFER members of E to NULL
after freeing them.
Index: exec/exec.c
===================================================================
RCS file: /cvsroot/hurd/hurd/exec/exec.c,v
retrieving revision 1.93
diff -u -p -r1.93 exec.c
--- exec/exec.c 2 Apr 2009 23:06:37 -0000 1.93
+++ exec/exec.c 25 May 2009 09:39:35 -0000
@@ -1008,10 +1008,13 @@ finish (struct execdata *e, int dealloc_
#ifdef EXECDATA_STREAM
fclose (&e->stream);
#else
- if (e->file_data != NULL)
+ if (e->file_data != NULL) {
free (e->file_data);
- else if (map_buffer (e) != NULL)
+ e->file_data = NULL;
+ } else if (map_buffer (e) != NULL) {
munmap (map_buffer (e), map_vsize (e));
+ map_buffer (e) = NULL;
+ }
#endif
}
if (dealloc_file && e->file != MACH_PORT_NULL)
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