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darshan
darshan
Commits
14521976
Commit
14521976
authored
Jan 11, 2019
by
Shane Snyder
Browse files
refactor interface between stdio/posix for fileno
parent
76e23680
Changes
2
Show whitespace changes
Inline
Side-by-side
darshan-runtime/lib/darshan-posix.c
View file @
14521976
...
...
@@ -46,6 +46,7 @@ DARSHAN_FORWARD_DECL(creat64, int, (const char* path, mode_t mode));
DARSHAN_FORWARD_DECL
(
dup
,
int
,
(
int
oldfd
));
DARSHAN_FORWARD_DECL
(
dup2
,
int
,
(
int
oldfd
,
int
newfd
));
DARSHAN_FORWARD_DECL
(
dup3
,
int
,
(
int
oldfd
,
int
newfd
,
int
flags
));
DARSHAN_FORWARD_DECL
(
fileno
,
int
,
(
FILE
*
stream
));
DARSHAN_FORWARD_DECL
(
mkstemp
,
int
,
(
char
*
template
));
DARSHAN_FORWARD_DECL
(
mkostemp
,
int
,
(
char
*
template
,
int
flags
));
DARSHAN_FORWARD_DECL
(
mkstemps
,
int
,
(
char
*
template
,
int
suffixlen
));
...
...
@@ -169,9 +170,8 @@ extern void dxt_posix_write(darshan_record_id rec_id, int64_t offset,
extern
void
dxt_posix_read
(
darshan_record_id
rec_id
,
int64_t
offset
,
int64_t
length
,
double
start_time
,
double
end_time
);
/* function for registering a newly opened file descriptor with the POSIX module */
int
darshan_posix_add_open_fd
(
int
fd
,
char
*
rec_name
,
int
counter
,
double
tm1
,
double
tm2
);
/* extern function def for querying record name from a STDIO stream */
extern
char
*
darshan_stdio_lookup_record_name
(
FILE
*
stream
);
static
struct
posix_runtime
*
posix_runtime
=
NULL
;
static
pthread_mutex_t
posix_runtime_mutex
=
PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
;
...
...
@@ -581,6 +581,38 @@ int DARSHAN_DECL(dup3)(int oldfd, int newfd, int flags)
return
(
ret
);
}
int
DARSHAN_DECL
(
fileno
)(
FILE
*
stream
)
{
int
ret
;
double
tm1
,
tm2
;
darshan_record_id
rec_id
;
struct
posix_file_record_ref
*
rec_ref
;
MAP_OR_FAIL
(
fileno
);
tm1
=
darshan_core_wtime
();
ret
=
__real_fileno
(
stream
);
tm2
=
darshan_core_wtime
();
if
(
ret
>=
0
)
{
char
*
rec_name
=
darshan_stdio_lookup_record_name
(
stream
);
if
(
rec_name
)
{
POSIX_PRE_RECORD
();
rec_id
=
darshan_core_gen_record_id
(
rec_name
);
rec_ref
=
darshan_lookup_record_ref
(
posix_runtime
->
rec_id_hash
,
&
rec_id
,
sizeof
(
darshan_record_id
));
if
(
!
rec_ref
)
rec_ref
=
posix_track_new_file_record
(
rec_id
,
rec_name
);
POSIX_RECORD_REFOPEN
(
ret
,
rec_ref
,
tm1
,
tm2
,
POSIX_FILENOS
);
POSIX_POST_RECORD
();
}
}
return
(
ret
);
}
int
DARSHAN_DECL
(
mkstemp
)(
char
*
template
)
{
int
ret
;
...
...
@@ -1516,26 +1548,6 @@ static void posix_aio_tracker_add(int fd, void *aiocbp)
return
;
}
int
darshan_posix_add_open_fd
(
int
fd
,
char
*
rec_name
,
int
counter
,
double
tm1
,
double
tm2
)
{
darshan_record_id
rec_id
;
struct
posix_file_record_ref
*
rec_ref
;
int
ret
=
0
;
POSIX_PRE_RECORD
();
rec_id
=
darshan_core_gen_record_id
(
rec_name
);
rec_ref
=
darshan_lookup_record_ref
(
posix_runtime
->
rec_id_hash
,
&
rec_id
,
sizeof
(
darshan_record_id
));
if
(
!
rec_ref
)
rec_ref
=
posix_track_new_file_record
(
rec_id
,
rec_name
);
POSIX_RECORD_REFOPEN
(
fd
,
rec_ref
,
tm1
,
tm2
,
counter
);
POSIX_POST_RECORD
();
return
(
ret
);
}
static
void
posix_finalize_file_records
(
void
*
rec_ref_p
)
{
struct
posix_file_record_ref
*
rec_ref
=
...
...
darshan-runtime/lib/darshan-stdio.c
View file @
14521976
...
...
@@ -118,7 +118,6 @@ DARSHAN_FORWARD_DECL(fseeko64, int, (FILE *stream, off64_t offset, int whence));
DARSHAN_FORWARD_DECL
(
fsetpos
,
int
,
(
FILE
*
stream
,
const
fpos_t
*
pos
));
DARSHAN_FORWARD_DECL
(
fsetpos64
,
int
,
(
FILE
*
stream
,
const
fpos64_t
*
pos
));
DARSHAN_FORWARD_DECL
(
rewind
,
void
,
(
FILE
*
stream
));
DARSHAN_FORWARD_DECL
(
fileno
,
int
,
(
FILE
*
stream
));
/* structure to track stdio stats at runtime */
struct
stdio_file_record_ref
...
...
@@ -163,11 +162,12 @@ static struct stdio_file_record_ref *stdio_track_new_file_record(
darshan_record_id
rec_id
,
const
char
*
path
);
static
void
stdio_cleanup_runtime
();
/* external prototype from POSIX module used to register new POSIX file
* records corresponding to file descriptors returned by STDIO fileno()
*/
extern
int
darshan_posix_add_open_fd
(
int
fd
,
char
*
rec_name
,
int
counter
,
double
tm1
,
double
tm2
);
/* we need access to fileno (defined in POSIX module) for instrumenting fopen calls */
#ifdef DARSHAN_PRELOAD
extern
int
(
*
__real_fileno
)(
FILE
*
stream
);
#else
extern
int
__real_fileno
(
FILE
*
stream
);
#endif
#define STDIO_LOCK() pthread_mutex_lock(&stdio_runtime_mutex)
#define STDIO_UNLOCK() pthread_mutex_unlock(&stdio_runtime_mutex)
...
...
@@ -957,35 +957,6 @@ int DARSHAN_DECL(fsetpos64)(FILE *stream, const fpos64_t *pos)
return
(
ret
);
}
int
DARSHAN_DECL
(
fileno
)(
FILE
*
stream
)
{
int
ret
;
struct
stdio_file_record_ref
*
rec_ref
;
double
tm1
,
tm2
;
MAP_OR_FAIL
(
fileno
);
tm1
=
darshan_core_wtime
();
ret
=
__real_fileno
(
stream
);
tm2
=
darshan_core_wtime
();
if
(
ret
>=
0
)
{
STDIO_PRE_RECORD
();
rec_ref
=
darshan_lookup_record_ref
(
stdio_runtime
->
stream_hash
,
&
stream
,
sizeof
(
stream
));
if
(
rec_ref
)
{
char
*
rec_name
=
darshan_core_lookup_record_name
(
rec_ref
->
file_rec
->
base_rec
.
id
);
/* register this new FD with the POSIX module so we can track it */
darshan_posix_add_open_fd
(
ret
,
rec_name
,
POSIX_FILENOS
,
tm1
,
tm2
);
}
STDIO_POST_RECORD
();
}
return
(
ret
);
}
/**********************************************************
* Internal functions for manipulating STDIO module state *
**********************************************************/
...
...
@@ -1442,6 +1413,23 @@ static void stdio_shared_record_variance(MPI_Comm mod_comm,
return
;
}
char
*
darshan_stdio_lookup_record_name
(
FILE
*
stream
)
{
struct
stdio_file_record_ref
*
rec_ref
;
char
*
rec_name
=
NULL
;
STDIO_LOCK
();
if
(
stdio_runtime
)
{
rec_ref
=
darshan_lookup_record_ref
(
stdio_runtime
->
stream_hash
,
&
stream
,
sizeof
(
stream
));
if
(
rec_ref
)
rec_name
=
darshan_core_lookup_record_name
(
rec_ref
->
file_rec
->
base_rec
.
id
);
}
STDIO_UNLOCK
();
return
(
rec_name
);
}
/*
* Local variables:
...
...
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