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-rw-r--r--erts/emulator/drivers/common/efile_drv.c171
-rw-r--r--erts/emulator/drivers/common/erl_efile.h2
-rw-r--r--erts/emulator/drivers/unix/unix_efile.c27
3 files changed, 40 insertions, 160 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 509c4fe48c..7e194a3787 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -629,113 +629,6 @@ static struct t_data *cq_deq(file_descriptor *desc) {
return d;
}
-
-/*********************************************************************
- * Command queue functions
- */
-
-static ErlDrvTermData am_ok;
-static ErlDrvTermData am_error;
-static ErlDrvTermData am_efile_reply;
-
-#define INIT_ATOM(NAME) am_ ## NAME = driver_mk_atom(#NAME)
-
-#define LOAD_ATOM_CNT 2
-#define LOAD_ATOM(vec, i, atom) \
- (((vec)[(i)] = ERL_DRV_ATOM), \
- ((vec)[(i)+1] = (atom)), \
- ((i)+LOAD_ATOM_CNT))
-
-#define LOAD_INT_CNT 2
-#define LOAD_INT(vec, i, val) \
- (((vec)[(i)] = ERL_DRV_INT), \
- ((vec)[(i)+1] = (ErlDrvTermData)(val)), \
- ((i)+LOAD_INT_CNT))
-
-#define LOAD_INT64_CNT 2
-#define LOAD_INT64(vec, i, val) \
- (((vec)[(i)] = ERL_DRV_INT64), \
- ((vec)[(i)+1] = (ErlDrvTermData)(val)), \
- ((i)+LOAD_INT64_CNT))
-
-#define LOAD_PORT_CNT 2
-#define LOAD_PORT(vec, i, port) \
- (((vec)[(i)] = ERL_DRV_PORT), \
- ((vec)[(i)+1] = (port)), \
- ((i)+LOAD_PORT_CNT))
-
-#define LOAD_PID_CNT 2
-#define LOAD_PID(vec, i, pid) \
- (((vec)[(i)] = ERL_DRV_PID), \
- ((vec)[(i)+1] = (pid)), \
- ((i)+LOAD_PID_CNT))
-
-#define LOAD_TUPLE_CNT 2
-#define LOAD_TUPLE(vec, i, size) \
- (((vec)[(i)] = ERL_DRV_TUPLE), \
- ((vec)[(i)+1] = (size)), \
- ((i)+LOAD_TUPLE_CNT))
-
-/* send:
-** {efile_reply, Pid, Port, {ok, int64()}}
-*/
-
-static int ef_send_ok_int64(file_descriptor *desc, ErlDrvTermData caller,
- ErlDrvSInt64 *n)
-{
- ErlDrvTermData spec[2*LOAD_ATOM_CNT + LOAD_PID_CNT + LOAD_PORT_CNT
- + LOAD_INT64_CNT + 2*LOAD_TUPLE_CNT];
- int i = 0;
-
- i = LOAD_ATOM(spec, i, am_efile_reply);
- i = LOAD_PID(spec, i, caller);
- i = LOAD_PORT(spec, i, driver_mk_port(desc->port));
- i = LOAD_ATOM(spec, i, am_ok);
- i = LOAD_INT64(spec, i, n);
- i = LOAD_TUPLE(spec, i, 2);
- i = LOAD_TUPLE(spec, i, 4);
- ASSERT(i == sizeof(spec)/sizeof(*spec));
-
- return driver_send_term(desc->port, caller, spec, i);
-}
-
-static ErlDrvTermData error_atom(int err)
-{
- char errstr[256];
- char* s;
- char* t;
-
- for (s = erl_errno_id(err), t = errstr; *s; s++, t++)
- *t = tolower(*s);
- *t = '\0';
- return driver_mk_atom(errstr);
-}
-
-/* send:
-** {efile_reply, Pid, Port, {error, posix_error()}
-*/
-
-static int ef_send_posix_error(file_descriptor *desc, ErlDrvTermData caller,
- int e)
-{
- ErlDrvTermData spec[3*LOAD_ATOM_CNT + LOAD_PID_CNT + LOAD_PORT_CNT
- + 2*LOAD_TUPLE_CNT];
- int i = 0;
-
- i = LOAD_ATOM(spec, i, am_efile_reply);
- i = LOAD_PID(spec, i, caller);
- i = LOAD_PORT(spec, i, driver_mk_port(desc->port));
- i = LOAD_ATOM(spec, i, am_error);
- /* TODO: safe? set of error codes should be limited and safe */
- i = LOAD_ATOM(spec, i, error_atom(e));
- i = LOAD_TUPLE(spec, i, 2);
- i = LOAD_TUPLE(spec, i, 4);
- ASSERT(i == sizeof(spec)/sizeof(*spec));
-
- desc->caller = 0;
- return driver_send_term(desc->port, caller, spec, i);
-}
-
/*********************************************************************
* Driver entry point -> init
*/
@@ -751,10 +644,6 @@ file_init(void)
: 0);
driver_system_info(&sys_info, sizeof(ErlDrvSysInfo));
- INIT_ATOM(ok);
- INIT_ATOM(error);
- INIT_ATOM(efile_reply);
-
return 0;
}
@@ -1871,7 +1760,7 @@ static void do_sendfile(file_descriptor *d)
ERL_DRV_USE|ERL_DRV_WRITE, 1);
} else {
printf("==> sendfile DONE eagain=%d\n", d->sendfile.eagain);
- ef_send_ok_int64(d, d->caller, &d->sendfile.written);
+ reply_Uint(d, d->sendfile.written);
}
} else if (errInfo.posix_errno == EAGAIN || errInfo.posix_errno == EINTR) {
if (chunksize > 0) {
@@ -2301,8 +2190,6 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
free_preadv(data);
break;
case FILE_SENDFILE:
- /* Return 'ok' and let prim_file:sendfile wait for message */
- reply_ok(desc);
driver_select(desc->port, (ErlDrvEvent)desc->sendfile.out_fd,
ERL_DRV_USE|ERL_DRV_WRITE, 1);
free_data(data);
@@ -2654,34 +2541,6 @@ file_output(ErlDrvData e, char* buf, int count)
goto done;
}
- case FILE_SENDFILE:
- {
- d = EF_SAFE_ALLOC(sizeof(struct t_data));
- d->fd = fd;
- d->command = command;
- d->invoke = invoke_sendfile;
- d->free = free_data;
- d->level = 2;
- desc->sendfile.out_fd = get_int32((uchar*) buf);
- /* TODO: are off_t and size_t 64bit on all platforms?
- off_t is 32bit on win32 msvc. maybe configurable in msvc.
- Maybe use '#if SIZEOF_SIZE_T == 4'? */
- desc->sendfile.offset = get_int64(((uchar*) buf)
- + sizeof(Sint32));
- desc->sendfile.count = get_int64(((uchar*) buf)
- + sizeof(Sint32)
- + sizeof(Sint64));
- desc->sendfile.chunksize = get_int64(((uchar*) buf)
- + sizeof(Sint32)
- + 2*sizeof(Sint64));
- desc->sendfile.written = 0;
- desc->sendfile.eagain = 0;
- /* TODO: shouldn't d->command be enough? */
- desc->command = command;
- desc->caller = driver_caller(desc->port);
- goto done;
- }
-
}
/*
@@ -3475,6 +3334,34 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
goto done;
} /* case FILE_OPT_DELAYED_WRITE: */
} ASSERT(0); goto done; /* case FILE_SETOPT: */
+ case FILE_SENDFILE:
+ {
+ struct t_data *d;
+ d = EF_SAFE_ALLOC(sizeof(struct t_data));
+ d->fd = desc->fd;
+ d->command = command;
+ d->invoke = invoke_sendfile;
+ d->free = free_data;
+ d->level = 2;
+ desc->sendfile.out_fd = get_int32((uchar*) buf);
+ /* TODO: are off_t and size_t 64bit on all platforms?
+ off_t is 32bit on win32 msvc. maybe configurable in msvc.
+ Maybe use '#if SIZEOF_SIZE_T == 4'? */
+ desc->sendfile.offset = get_int64(((uchar*) buf)
+ + sizeof(Sint32));
+ desc->sendfile.count = get_int64(((uchar*) buf)
+ + sizeof(Sint32)
+ + sizeof(Sint64));
+ desc->sendfile.chunksize = get_int64(((uchar*) buf)
+ + sizeof(Sint32)
+ + 2*sizeof(Sint64));
+ desc->sendfile.written = 0;
+ desc->sendfile.eagain = 0;
+ /* TODO: shouldn't d->command be enough? */
+ desc->command = command;
+ desc->caller = driver_caller(desc->port);
+ goto done;
+ }
} /* switch(command) */
diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h
index 3c6c2ec2db..864b867955 100644
--- a/erts/emulator/drivers/common/erl_efile.h
+++ b/erts/emulator/drivers/common/erl_efile.h
@@ -162,5 +162,5 @@ int efile_symlink(Efile_error* errInfo, char* old, char* new);
int efile_may_openfile(Efile_error* errInfo, char *name);
int efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length,
int advise);
-int efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, off_t *offset,
+int efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, off_t offset,
size_t *count);
diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c
index 5b001b3819..8b612164da 100644
--- a/erts/emulator/drivers/unix/unix_efile.c
+++ b/erts/emulator/drivers/unix/unix_efile.c
@@ -1471,31 +1471,24 @@ efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset,
#ifdef HAVE_SENDFILE
int
efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd,
- off_t *offset, size_t *count)
+ off_t offset, size_t *ret_nbytes)
{
#if defined(__linux__) || (defined(__sun) && defined(__SVR4))
- ssize_t retval = sendfile(out_fd, in_fd, offset, *count);
- if (retval >= 0) {
- if (retval != *count) {
- *count = retval;
- retval = -1;
- errno = EAGAIN;
- } else {
- *count = retval;
- }
- } else if (retval == -1 && (errno == EINTR || errno == EAGAIN)) {
- *count = 0;
- }
+ ssize_t retval;
+ do {
+ retval = sendfile(out_fd, in_fd, &offset, *ret_nbytes);
+ } while (retval == -1 && (errno == EINTR || errno == EAGAIN));
+ *ret_nbytes = retval;
return check_error(retval == -1 ? -1 : 0, errInfo);
#elif defined(DARWIN)
- off_t len = *count;
+ off_t len = *ret_nbytes;
int retval = sendfile(in_fd, out_fd, *offset, &len, NULL, 0);
- *count = len;
+ *ret_nbytes = len;
return check_error(retval, errInfo);
#elif defined(__FreeBSD__) || defined(__DragonFly__)
off_t len = 0;
- int retval = sendfile(in_fd, out_fd, *offset, *count, NULL, &len, 0);
- *count = len;
+ int retval = sendfile(in_fd, out_fd, *offset, *nbytes, NULL, &len, 0);
+ *nbytes = len;
return check_error(retval, errInfo);
#endif
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 03:07:42 +0000