Initial revision

process.h

@@ -0,0 +1,38 @@
+#ifndef PROCESS_H
+#define PROCESS_H
+
+#include "binfile.h"
+
+typedef struct Process Process;
+
+/* We are making the assumption that pid's are not recycled during
+ * a profiling run. That is wrong, but necessary to avoid reading
+ * from /proc/<pid>/maps on every sample (which would be a race
+ * condition anyway).
+ *
+ * If the address passed to new_from_pid() is somewhere that hasn't
+ * been checked before, the mappings are reread for the Process. This
+ * means that if some previously sampled pages have been unmapped,
+ * they will be lost and appear as "???" on the profile.
+ *
+ * To flush the pid cache, call process_flush_caches().
+ * This will invalidate all instances of Process.
+ *
+ */
+
+void          process_flush_caches                (void);
+Process *     process_get_from_pid                (int         pid);
+void          process_ensure_map                  (Process    *process,
+						   int         pid,
+						   gulong      address);
+const Symbol *process_lookup_symbol               (Process    *process,
+						   gulong      address);
+const Symbol *process_lookup_symbol_with_filename (Process    *process,
+						   int	       pid,
+						   gulong      map_start,
+						   const char *filename,
+						   gulong      address);
+const char *  process_get_cmdline                 (Process    *process);
+
+
+#endif