diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/drivers/common/efile_drv.c | 42 | ||||
-rw-r--r-- | erts/emulator/drivers/common/erl_efile.h | 2 | ||||
-rw-r--r-- | erts/emulator/drivers/unix/unix_efile.c | 12 |
3 files changed, 41 insertions, 15 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 5d785a75c4..b26e244312 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -224,7 +224,6 @@ typedef unsigned char uchar; static ErlDrvData file_start(ErlDrvPort port, char* command); static int file_init(void); static void file_stop(ErlDrvData); -static void file_ready_output(ErlDrvData data, ErlDrvEvent event); static void file_output(ErlDrvData, char* buf, int len); static int file_control(ErlDrvData, unsigned int command, char* buf, int len, char **rbuf, int rlen); @@ -232,12 +231,17 @@ static void file_timeout(ErlDrvData); static void file_outputv(ErlDrvData, ErlIOVec*); static void file_async_ready(ErlDrvData, ErlDrvThreadData); static void file_flush(ErlDrvData); -static void file_stop_select(ErlDrvEvent event, void* _); +#ifdef HAVE_SENDFILE +static void file_ready_output(ErlDrvData data, ErlDrvEvent event); +static void file_stop_select(ErlDrvEvent event, void* _); +#endif /* HAVE_SENDFILE */ enum e_timer {timer_idle, timer_again, timer_write}; +#ifdef HAVE_SENDFILE enum e_sendfile {sending, not_sending}; +#endif /* HAVE_SENDFILE */ struct t_data; @@ -252,7 +256,9 @@ typedef struct { struct t_data *cq_head; /* Queue of incoming commands */ struct t_data *cq_tail; /* -""- */ enum e_timer timer_state; +#ifdef HAVE_SENDFILE enum e_sendfile sendfile_state; +#endif /* HAVE_SENDFILE */ size_t read_bufsize; ErlDrvBinary *read_binp; size_t read_offset; @@ -275,7 +281,11 @@ struct erl_drv_entry efile_driver_entry = { file_stop, file_output, NULL, +#ifdef HAVE_SENDFILE file_ready_output, +#else + NULL, +#endif /* HAVE_SENDFILE */ "efile", NULL, NULL, @@ -292,7 +302,11 @@ struct erl_drv_entry efile_driver_entry = { ERL_DRV_FLAG_USE_PORT_LOCKING, NULL, NULL, +#ifdef HAVE_SENDFILE file_stop_select +#else + NULL +#endif /* HAVE_SENDFILE */ }; @@ -344,12 +358,14 @@ struct t_readdir_buf { char buf[READDIR_BUFSIZE]; }; +#ifdef HAVE_SENDFILE struct t_sendfile_hdtl { int hdr_cnt; /* number of header iovecs */ struct iovec *headers; /* pointer to header iovecs */ int trl_cnt; /* number of trailer iovecs */ struct iovec *trailers; /* pointer to trailer iovecs */ }; +#endif /* HAVE_SENDFILE */ struct t_data { @@ -418,6 +434,7 @@ struct t_data Sint64 length; int advise; } fadvise; +#ifdef HAVE_SENDFILE struct { int out_fd; off_t offset; @@ -426,6 +443,7 @@ struct t_data short flags; struct t_sendfile_hdtl *hdtl; } sendfile; +#endif /* HAVE_SENDFILE */ } c; char b[1]; }; @@ -683,7 +701,9 @@ file_start(ErlDrvPort port, char* command) desc->cq_head = NULL; desc->cq_tail = NULL; desc->timer_state = timer_idle; +#ifdef HAVE_SENDFILE desc->sendfile_state = not_sending; +#endif desc->read_bufsize = 0; desc->read_binp = NULL; desc->read_offset = 0; @@ -1723,6 +1743,7 @@ static void invoke_fadvise(void *data) d->result_ok = efile_fadvise(&d->errInfo, fd, offset, length, advise); } +#ifdef HAVE_SENDFILE static void invoke_sendfile(void *data) { struct t_data *d = (struct t_data *)data; @@ -1781,8 +1802,10 @@ static void file_ready_output(ErlDrvData data, ErlDrvEvent event) static void file_stop_select(ErlDrvEvent event, void* _) { - /* TODO: close socket? */ + } +#endif /* HAVE_SENDFILE */ + static void free_readdir(void *data) { @@ -1843,9 +1866,12 @@ static int try_again(file_descriptor *desc, struct t_data *d) { static void cq_execute(file_descriptor *desc) { struct t_data *d; register void *void_ptr; /* Soft cast variable */ - if (desc->timer_state == timer_again || - desc->sendfile_state == sending) + if (desc->timer_state == timer_again) return; +#ifdef HAVE_SENDFILE + if (desc->sendfile_state == sending) + return; +#endif if (! (d = cq_deq(desc))) return; TRACE_F(("x%i", (int) d->command)); @@ -2196,6 +2222,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) } free_preadv(data); break; +#ifdef HAVE_SENDFILE case FILE_SENDFILE: //printf("efile_ready_async: sendfile (d->result_ok == %d)\r\n",d->result_ok); if (d->result_ok == -1) { @@ -2225,6 +2252,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) ERL_DRV_USE|ERL_DRV_WRITE, 1); } break; +#endif default: abort(); } @@ -3368,6 +3396,7 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) { case FILE_SENDFILE: { +#ifdef HAVE_SENDFILE struct t_data *d; Uint32 out_fd, offsetH, offsetL; Uint64 nbytes; @@ -3424,6 +3453,9 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) { } cq_enq(desc, d); +#else + reply_posix_error(desc, ENOTSUP); +#endif goto done; } /* case FILE_SENDFILE: */ diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h index 8e79b3923a..fd6dc94755 100644 --- a/erts/emulator/drivers/common/erl_efile.h +++ b/erts/emulator/drivers/common/erl_efile.h @@ -162,5 +162,7 @@ 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); +#ifdef HAVE_SENDFILE int efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, off_t *offset, Uint64 *nbytes); +#endif /* HAVE_SENDFILE */ diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c index 14b7a5cffa..dc118c9b9f 100644 --- a/erts/emulator/drivers/unix/unix_efile.c +++ b/erts/emulator/drivers/unix/unix_efile.c @@ -33,7 +33,7 @@ #include <sys/types.h> #include <sys/uio.h> #endif -#if defined(__linux__) || (defined(__sun) && defined(__SVR4)) +#if defined(HAVE_SENDFILE) && (defined(__linux__) || (defined(__sun) && defined(__SVR4))) #include <sys/sendfile.h> #endif @@ -1530,12 +1530,4 @@ efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, return check_error(retval, errInfo); #endif } -#else /* no sendfile() */ -int -efile_sendfile(Efile_error* errInfo, int in_fd, int out_fd, - off_t *offset, size_t *count) -{ - errno = ENOTSUP; - return check_error(-1, errInfo); -} -#endif +#endif /* HAVE_SENDFILE */ |