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authorLukas Larsson <[email protected]>2011-11-14 12:24:37 +0100
committerLukas Larsson <[email protected]>2011-12-01 14:10:03 +0100
commit035279e92f9bb3f9601098f6a70ba6d398d6727f (patch)
treec53c51edac097e97edf0d2e8fcbd794ef2ef1a58 /erts/emulator
parent020e988424cf0d15ebab8de50638492defb6f2b5 (diff)
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Make socket blocking if there are async threads
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/drivers/common/efile_drv.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index a318384479..70917119e2 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -99,7 +99,13 @@
# include "config.h"
#endif
#include <stdlib.h>
+
+// Need (NON)BLOCKING macros for sendfile
+#ifndef WANT_NONBLOCKING
+#define WANT_NONBLOCKING
+#endif
#include "sys.h"
+
#include "erl_driver.h"
#include "erl_efile.h"
#include "erl_threads.h"
@@ -1728,12 +1734,14 @@ static void invoke_sendfile(void *data)
result = efile_sendfile(&d->errInfo, fd, out_fd, &d->c.sendfile.offset, &nbytes);
- /* printf("sendfile: result: %d, errno: %d, offset: %d, nbytes: %d\r\n",
- result, errno, d->c.sendfile.offset,nbytes);*/
+ //printf("sendfile: result: %d, errno: %d, offset: %d, nbytes: %d\r\n",result, errno, d->c.sendfile.offset,nbytes);
d->c.sendfile.written += nbytes;
if (result == 1) {
- if (d->c.sendfile.nbytes == 0 && nbytes != 0) {
+ if (sys_info.async_threads != 0) {
+ printf("==> sendfile DONE written=%ld\r\n", d->c.sendfile.written);
+ d->result_ok = 0;
+ } else if (d->c.sendfile.nbytes == 0 && nbytes != 0) {
d->result_ok = 1;
} else if ((d->c.sendfile.nbytes - nbytes) != 0) {
d->result_ok = 1;
@@ -2189,14 +2197,20 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
free_preadv(data);
break;
case FILE_SENDFILE:
- //printf("efile_ready_async: sendfile (d->result_ok == %d)\r\n",d->result_ok);
+ printf("efile_ready_async: sendfile (d->result_ok == %d)\r\n",d->result_ok);
if (d->result_ok == -1) {
desc->sendfile_state = not_sending;
reply_error(desc, &d->errInfo);
+ if (sys_info.async_threads != 0) {
+ SET_NONBLOCKING(d->c.sendfile.out_fd);
+ }
free_sendfile(data);
} else if (d->result_ok == 0) {
desc->sendfile_state = not_sending;
reply_Sint64(desc, d->c.sendfile.written);
+ if (sys_info.async_threads != 0) {
+ SET_NONBLOCKING(d->c.sendfile.out_fd);
+ }
free_sendfile(data);
} else if (d->result_ok == 1) { // If we are using select to send the rest of the data
desc->sendfile_state = sending;
@@ -3348,9 +3362,9 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
case FILE_SENDFILE: {
- struct t_data *d;
- Uint32 out_fd, offsetH, offsetL, nbytesH, nbytesL;
- char flags;
+ struct t_data *d;
+ Uint32 out_fd, offsetH, offsetL, nbytesH, nbytesL;
+ char flags;
/* DestFD:32, Offset:64, Bytes:64,
ChunkSize:64,
@@ -3406,6 +3420,10 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
/* Do HEADER TRAILER stuff by calculating pointer places, not by copying data! */
+ if (sys_info.async_threads != 0) {
+ SET_BLOCKING(d->c.sendfile.out_fd);
+ }
+
cq_enq(desc, d);
goto done;
} /* case FILE_SENDFILE: */