Commit 904b6dbc authored by Philip Carns's avatar Philip Carns

rewind wrapper

parent 0289d4ab
...@@ -64,7 +64,7 @@ ...@@ -64,7 +64,7 @@
* int fseeko64(FILE *, off_t, int); DONE * int fseeko64(FILE *, off_t, int); DONE
* int fsetpos(FILE *, const fpos_t *); DONE * int fsetpos(FILE *, const fpos_t *); DONE
* int fsetpos64(FILE *, const fpos_t *); DONE * int fsetpos64(FILE *, const fpos_t *); DONE
* void rewind(FILE *); * void rewind(FILE *); DONE
* int ungetc(int, FILE *); * int ungetc(int, FILE *);
* *
* Omissions: _unlocked() variants of the various flush, read, and write * Omissions: _unlocked() variants of the various flush, read, and write
...@@ -125,6 +125,7 @@ DARSHAN_FORWARD_DECL(fseeko, int, (FILE *stream, off_t offset, int whence)); ...@@ -125,6 +125,7 @@ DARSHAN_FORWARD_DECL(fseeko, int, (FILE *stream, off_t offset, int whence));
DARSHAN_FORWARD_DECL(fseeko64, int, (FILE *stream, off_t offset, int whence)); DARSHAN_FORWARD_DECL(fseeko64, int, (FILE *stream, off_t offset, int whence));
DARSHAN_FORWARD_DECL(fsetpos, int, (FILE *stream, const fpos_t *pos)); DARSHAN_FORWARD_DECL(fsetpos, int, (FILE *stream, const fpos_t *pos));
DARSHAN_FORWARD_DECL(fsetpos64, int, (FILE *stream, const fpos_t *pos)); DARSHAN_FORWARD_DECL(fsetpos64, int, (FILE *stream, const fpos_t *pos));
DARSHAN_FORWARD_DECL(rewind, void, (FILE *stream));
/* The stdio_file_runtime structure maintains necessary runtime metadata /* The stdio_file_runtime structure maintains necessary runtime metadata
* for the STDIO file record (darshan_stdio_record structure, defined in * for the STDIO file record (darshan_stdio_record structure, defined in
...@@ -744,6 +745,33 @@ char* DARSHAN_DECL(fgets)(char *s, int size, FILE *stream) ...@@ -744,6 +745,33 @@ char* DARSHAN_DECL(fgets)(char *s, int size, FILE *stream)
} }
void DARSHAN_DECL(rewind)(FILE *stream)
{
struct stdio_file_runtime* file;
double tm1, tm2;
MAP_OR_FAIL(rewind);
tm1 = darshan_core_wtime();
__real_rewind(stream);
tm2 = darshan_core_wtime();
STDIO_LOCK();
stdio_runtime_initialize();
file = stdio_file_by_stream(stream);
if(file)
{
file->offset = 0;
DARSHAN_TIMER_INC_NO_OVERLAP(
file->file_record->fcounters[STDIO_F_META_TIME],
tm1, tm2, file->last_meta_end);
file->file_record->counters[STDIO_SEEKS] += 1;
}
STDIO_UNLOCK();
return;
}
int DARSHAN_DECL(fseek)(FILE *stream, long offset, int whence) int DARSHAN_DECL(fseek)(FILE *stream, long offset, int whence)
{ {
int ret; int ret;
......
...@@ -25,3 +25,4 @@ ...@@ -25,3 +25,4 @@
--wrap=putw --wrap=putw
--wrap=fsetpos --wrap=fsetpos
--wrap=fsetpos64 --wrap=fsetpos64
--wrap=rewind
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