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path: root/erts/emulator/drivers/common/efile_drv.c
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Diffstat (limited to 'erts/emulator/drivers/common/efile_drv.c')
-rw-r--r--erts/emulator/drivers/common/efile_drv.c442
1 files changed, 333 insertions, 109 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index f0ff3f54c5..e7235c30f7 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -55,6 +55,7 @@
#define FILE_READ_LINE 29
#define FILE_FDATASYNC 30
#define FILE_FADVISE 31
+#define FILE_SENDFILE 32
/* Return codes */
@@ -69,6 +70,7 @@
#define FILE_RESP_EOF 8
#define FILE_RESP_FNAME 9
#define FILE_RESP_ALL_DATA 10
+#define FILE_RESP_LFNAME 11
/* Options */
@@ -97,7 +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"
@@ -184,6 +192,7 @@ static ErlDrvSysInfo sys_info;
# define RESBUFSIZE BUFSIZ
#endif
+#define READDIR_CHUNKS (5)
@@ -223,9 +232,16 @@ static void file_outputv(ErlDrvData, ErlIOVec*);
static void file_async_ready(ErlDrvData, ErlDrvThreadData);
static void file_flush(ErlDrvData);
+#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;
@@ -240,6 +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;
@@ -262,7 +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,
@@ -277,7 +300,13 @@ struct erl_drv_entry efile_driver_entry = {
ERL_DRV_EXTENDED_MAJOR_VERSION,
ERL_DRV_EXTENDED_MINOR_VERSION,
ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL,
+ NULL,
+#ifdef HAVE_SENDFILE
+ file_stop_select
+#else
NULL
+#endif /* HAVE_SENDFILE */
};
@@ -317,15 +346,16 @@ struct t_preadv {
Sint64 offsets[1];
};
-#define READDIR_BUFSIZE (8*1024)
-#if READDIR_BUFSIZE < (FILENAME_CHARSIZE*2*(MAXPATHLEN+1))
+#define READDIR_BUFSIZE (8*1024)*READDIR_CHUNKS
+#if READDIR_BUFSIZE < (1 + (2 + MAXPATHLEN)*FILENAME_CHARSIZE*READDIR_CHUNKS)
# undef READDIR_BUFSIZE
-# define READDIR_BUFSIZE (FILENAME_CHARSIZE*2*(MAXPATHLEN+1))
+# define READDIR_BUFSIZE (1 + (2 + MAXPATHLEN)*FILENAME_CHARSIZE*READDIR_CHUNKS)
#endif
struct t_readdir_buf {
- struct t_readdir_buf *next;
- char buf[READDIR_BUFSIZE];
+ struct t_readdir_buf *next;
+ size_t n;
+ char buf[READDIR_BUFSIZE];
};
struct t_data
@@ -395,6 +425,14 @@ struct t_data
Sint64 length;
int advise;
} fadvise;
+#ifdef HAVE_SENDFILE
+ struct {
+ int out_fd;
+ off_t offset;
+ Uint64 nbytes;
+ Uint64 written;
+ } sendfile;
+#endif /* HAVE_SENDFILE */
} c;
char b[1];
};
@@ -482,7 +520,6 @@ static void *ef_safe_realloc(void *op, Uint s)
: 0)
-
#if 0
static void ev_clear(ErlIOVec *ev) {
@@ -610,7 +647,6 @@ static struct t_data *cq_deq(file_descriptor *desc) {
}
-
/*********************************************************************
* Driver entry point -> init
*/
@@ -625,6 +661,7 @@ file_init(void)
? atoi(buf)
: 0);
driver_system_info(&sys_info, sizeof(ErlDrvSysInfo));
+
return 0;
}
@@ -652,6 +689,9 @@ 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;
@@ -890,8 +930,6 @@ static int reply_eof(file_descriptor *desc) {
driver_output2(desc->port, &c, 1, NULL, 0);
return 0;
}
-
-
static void invoke_name(void *data, int (*f)(Efile_error *, char *))
{
@@ -1598,54 +1636,46 @@ static void invoke_lseek(void *data)
static void invoke_readdir(void *data)
{
struct t_data *d = (struct t_data *) data;
- int s;
char *p = NULL;
- int buf_sz = 0;
- size_t tmp_bs;
+ size_t file_bs;
+ size_t n = 0, total = 0;
+ struct t_readdir_buf *b = NULL;
+ int res = 0;
d->again = 0;
d->errInfo.posix_errno = 0;
- while (1) {
- char *str;
- if (buf_sz < (4 /* sz */ + 1 /* cmd */ +
- FILENAME_CHARSIZE*(MAXPATHLEN + 1))) {
- struct t_readdir_buf *b;
- if (p) {
- put_int32(0, p); /* EOB */
- }
- b = EF_SAFE_ALLOC(sizeof(struct t_readdir_buf));
- b->next = NULL;
- if (d->c.read_dir.last_buf)
- d->c.read_dir.last_buf->next = b;
- else
- d->c.read_dir.first_buf = b;
- d->c.read_dir.last_buf = b;
- p = &b->buf[0];
- buf_sz = READDIR_BUFSIZE - 4/* EOB */;
- }
-
- p[4] = FILE_RESP_FNAME;
- buf_sz -= 4 + 1;
- str = p + 4 + 1;
- ASSERT(buf_sz >= MAXPATHLEN + 1);
- tmp_bs = buf_sz;
- s = efile_readdir(&d->errInfo, d->b, &d->dir_handle, str, &tmp_bs);
-
- if (s) {
- put_int32(tmp_bs + 1 /* 1 byte for opcode */, p);
- p += 4 + tmp_bs + 1;
- ASSERT(p == (str + tmp_bs));
- buf_sz -= tmp_bs;
- }
- else {
- put_int32(1, p);
- p += 4 + 1;
- put_int32(0, p); /* EOB */
- d->result_ok = (d->errInfo.posix_errno == 0);
- break;
+ do {
+ total = READDIR_BUFSIZE;
+ n = 1;
+ b = EF_SAFE_ALLOC(sizeof(struct t_readdir_buf));
+ b->next = NULL;
+
+ if (d->c.read_dir.last_buf) {
+ d->c.read_dir.last_buf->next = b;
+ } else {
+ d->c.read_dir.first_buf = b;
}
- }
+ d->c.read_dir.last_buf = b;
+
+ p = &b->buf[0];
+ p[0] = FILE_RESP_LFNAME;
+ file_bs = READDIR_BUFSIZE - n;
+
+ do {
+ res = efile_readdir(&d->errInfo, d->b, &d->dir_handle, p + n + 2, &file_bs);
+
+ if (res) {
+ put_int16((Uint16)file_bs, p + n);
+ n += 2 + file_bs;
+ file_bs = READDIR_BUFSIZE - n;
+ }
+ } while( res && ((total - n - 2) >= MAXPATHLEN*FILENAME_CHARSIZE));
+
+ b->n = n;
+ } while(res);
+
+ d->result_ok = (d->errInfo.posix_errno == 0);
}
static void invoke_open(void *data)
@@ -1699,6 +1729,66 @@ 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;
+ int fd = d->fd;
+ int out_fd = (int)d->c.sendfile.out_fd;
+ Uint64 nbytes = d->c.sendfile.nbytes;
+ int result = 0;
+ d->again = 0;
+
+ result = efile_sendfile(&d->errInfo, fd, out_fd, &d->c.sendfile.offset, &nbytes, NULL);
+
+ d->c.sendfile.written += nbytes;
+
+ if (result == 1) {
+ if (sys_info.async_threads != 0) {
+ 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;
+ d->c.sendfile.nbytes -= nbytes;
+ } else {
+ d->result_ok = 0;
+ }
+ } else if (result == 0 && (d->errInfo.posix_errno == EAGAIN
+ || d->errInfo.posix_errno == EINTR)) {
+ d->result_ok = 1;
+ } else {
+ d->result_ok = -1;
+ }
+}
+
+static void free_sendfile(void *data) {
+ EF_FREE(data);
+}
+
+static void file_ready_output(ErlDrvData data, ErlDrvEvent event)
+{
+ file_descriptor* fd = (file_descriptor*) data;
+
+ switch (fd->d->command) {
+ case FILE_SENDFILE:
+ driver_select(fd->port, event,
+ (int)ERL_DRV_WRITE,(int) 0);
+ invoke_sendfile((void *)fd->d);
+ file_async_ready(data, (ErlDrvThreadData)fd->d);
+ break;
+ default:
+ break;
+ }
+}
+
+static void file_stop_select(ErlDrvEvent event, void* _)
+{
+
+}
+#endif /* HAVE_SENDFILE */
+
+
static void free_readdir(void *data)
{
struct t_data *d = (struct t_data *) data;
@@ -1760,6 +1850,10 @@ static void cq_execute(file_descriptor *desc) {
register void *void_ptr; /* Soft cast variable */
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));
@@ -2026,24 +2120,25 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
if (d->result_ok) {
resbuf[0] = FILE_RESP_INFO;
- put_int32(d->info.size_high, &resbuf[1 + (0 * 4)]);
- put_int32(d->info.size_low, &resbuf[1 + (1 * 4)]);
- put_int32(d->info.type, &resbuf[1 + (2 * 4)]);
-
- PUT_TIME(d->info.accessTime, resbuf + 1 + 3*4);
- PUT_TIME(d->info.modifyTime, resbuf + 1 + 9*4);
- PUT_TIME(d->info.cTime, resbuf + 1 + 15*4);
-
- put_int32(d->info.mode, &resbuf[1 + (21 * 4)]);
- put_int32(d->info.links, &resbuf[1 + (22 * 4)]);
- put_int32(d->info.major_device, &resbuf[1 + (23 * 4)]);
- put_int32(d->info.minor_device, &resbuf[1 + (24 * 4)]);
- put_int32(d->info.inode, &resbuf[1 + (25 * 4)]);
- put_int32(d->info.uid, &resbuf[1 + (26 * 4)]);
- put_int32(d->info.gid, &resbuf[1 + (27 * 4)]);
- put_int32(d->info.access, &resbuf[1 + (28 * 4)]);
-
-#define RESULT_SIZE (1 + (29 * 4))
+ put_int32(d->info.size_high, &resbuf[1 + ( 0 * 4)]);
+ put_int32(d->info.size_low, &resbuf[1 + ( 1 * 4)]);
+ put_int32(d->info.type, &resbuf[1 + ( 2 * 4)]);
+
+ /* Note 64 bit indexing in resbuf here */
+ put_int64(d->info.accessTime, &resbuf[1 + ( 3 * 4)]);
+ put_int64(d->info.modifyTime, &resbuf[1 + ( 5 * 4)]);
+ put_int64(d->info.cTime, &resbuf[1 + ( 7 * 4)]);
+
+ put_int32(d->info.mode, &resbuf[1 + ( 9 * 4)]);
+ put_int32(d->info.links, &resbuf[1 + (10 * 4)]);
+ put_int32(d->info.major_device, &resbuf[1 + (11 * 4)]);
+ put_int32(d->info.minor_device, &resbuf[1 + (12 * 4)]);
+ put_int32(d->info.inode, &resbuf[1 + (13 * 4)]);
+ put_int32(d->info.uid, &resbuf[1 + (14 * 4)]);
+ put_int32(d->info.gid, &resbuf[1 + (15 * 4)]);
+ put_int32(d->info.access, &resbuf[1 + (16 * 4)]);
+
+#define RESULT_SIZE (1 + (17 * 4))
TRACE_C('R');
driver_output2(desc->port, resbuf, RESULT_SIZE, NULL, 0);
#undef RESULT_SIZE
@@ -2053,30 +2148,24 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
free_data(data);
break;
case FILE_READDIR:
- if (!d->result_ok)
+ if (!d->result_ok) {
reply_error(desc, &d->errInfo);
- else {
+ } else {
struct t_readdir_buf *b1 = d->c.read_dir.first_buf;
+ char op = FILE_RESP_LFNAME;
+
TRACE_C('R');
ASSERT(b1);
+
while (b1) {
struct t_readdir_buf *b2 = b1;
char *p = &b1->buf[0];
- int sz = get_int32(p);
- while (sz) { /* 0 == EOB */
- p += 4;
- if (sz - 1 > 0) {
- driver_output2(desc->port, p, 1, p+1, sz-1);
- } else {
- driver_output2(desc->port, p, 1, NULL, 0);
- }
- p += sz;
- sz = get_int32(p);
- }
+ driver_output2(desc->port, p, 1, p + 1, b1->n - 1);
b1 = b1->next;
EF_FREE(b2);
}
-
+ driver_output2(desc->port, &op, 1, NULL, 0);
+
d->c.read_dir.first_buf = NULL;
d->c.read_dir.last_buf = NULL;
}
@@ -2116,6 +2205,37 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
}
free_preadv(data);
break;
+#ifdef HAVE_SENDFILE
+ case FILE_SENDFILE:
+ 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 {
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd,
+ ERL_DRV_USE, 0);
+ 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 {
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd, ERL_DRV_USE, 0);
+ 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;
+ desc->d = d;
+ driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd,
+ ERL_DRV_USE|ERL_DRV_WRITE, 1);
+ }
+ break;
+#endif
default:
abort();
}
@@ -2126,6 +2246,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
cq_execute(desc);
}
+
/*********************************************************************
* Driver entry point -> output
*/
@@ -2246,19 +2367,46 @@ file_output(ErlDrvData e, char* buf, int count)
#endif
{
size_t resbufsize;
- char resbuf[RESBUFSIZE+1];
+ size_t n = 0, total = 0;
+ int res = 0;
+ char resbuf[READDIR_BUFSIZE];
+
EFILE_DIR_HANDLE dir_handle; /* Handle to open directory. */
+ total = READDIR_BUFSIZE;
errInfo.posix_errno = 0;
- dir_handle = NULL;
- resbuf[0] = FILE_RESP_FNAME;
- resbufsize = RESBUFSIZE;
-
- while (efile_readdir(&errInfo, name, &dir_handle,
- resbuf+1, &resbufsize)) {
- driver_output2(desc->port, resbuf, 1, resbuf+1, resbufsize);
- resbufsize = RESBUFSIZE;
- }
+ dir_handle = NULL;
+ resbuf[0] = FILE_RESP_LFNAME;
+
+ /* Fill the buffer with multiple directory listings before sending it to the
+ * receiving process. READDIR_CHUNKS is minimum number of files sent to the
+ * receiver.
+ * Format for each driver_output2:
+ * ------------------------------------
+ * | Type | Len | Filename | ...
+ * | 1 byte | 2 bytes | Len bytes | ...
+ * ------------------------------------
+ */
+
+ do {
+ n = 1;
+ resbufsize = READDIR_BUFSIZE - n;
+
+ do {
+ res = efile_readdir(&errInfo, name, &dir_handle, resbuf + n + 2, &resbufsize);
+
+ if (res) {
+ put_int16((Uint16)resbufsize, resbuf + n);
+ n += 2 + resbufsize;
+ resbufsize = READDIR_BUFSIZE - n;
+ }
+ } while( res && ((total - n - 2) >= MAXPATHLEN*FILENAME_CHARSIZE));
+
+ if (n > 1) {
+ driver_output2(desc->port, resbuf, 1, resbuf + 1, n - 1);
+ }
+ } while(res);
+
if (errInfo.posix_errno != 0) {
reply_error(desc, &errInfo);
return;
@@ -2338,15 +2486,16 @@ file_output(ErlDrvData e, char* buf, int count)
case FILE_WRITE_INFO:
{
d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1
- + FILENAME_BYTELEN(buf+21*4) + FILENAME_CHARSIZE);
+ + FILENAME_BYTELEN(buf + 9*4) + FILENAME_CHARSIZE);
- d->info.mode = get_int32(buf + 0 * 4);
- d->info.uid = get_int32(buf + 1 * 4);
- d->info.gid = get_int32(buf + 2 * 4);
- GET_TIME(d->info.accessTime, buf + 3 * 4);
- GET_TIME(d->info.modifyTime, buf + 9 * 4);
- GET_TIME(d->info.cTime, buf + 15 * 4);
- FILENAME_COPY(d->b, buf+21*4);
+ d->info.mode = get_int32(buf + 0 * 4);
+ d->info.uid = get_int32(buf + 1 * 4);
+ d->info.gid = get_int32(buf + 2 * 4);
+ d->info.accessTime = (time_t)((Sint64)get_int64(buf + 3 * 4));
+ d->info.modifyTime = (time_t)((Sint64)get_int64(buf + 5 * 4));
+ d->info.cTime = (time_t)((Sint64)get_int64(buf + 7 * 4));
+
+ FILENAME_COPY(d->b, buf + 9*4);
d->command = command;
d->invoke = invoke_write_info;
d->free = free_data;
@@ -2455,16 +2604,22 @@ file_output(ErlDrvData e, char* buf, int count)
static void
file_flush(ErlDrvData e) {
file_descriptor *desc = (file_descriptor *)e;
+#ifdef DEBUG
int r;
+#endif
TRACE_C('f');
- r = flush_write(desc, NULL);
+#ifdef DEBUG
+ r =
+#endif
+ flush_write(desc, NULL);
/* Only possible reason for bad return value is ENOMEM, and
* there is nobody to tell...
*/
+#ifdef DEBUG
ASSERT(r == 0);
- r = 0; /* Avoiding warning */
+#endif
cq_execute(desc);
}
@@ -2476,13 +2631,20 @@ file_flush(ErlDrvData e) {
static int
file_control(ErlDrvData e, unsigned int command,
char* buf, int len, char **rbuf, int rlen) {
+ /*
+ * warning: variable ‘desc’ set but not used
+ * [-Wunused-but-set-variable]
+ * ... no kidding ...
+ *
+ *
file_descriptor *desc = (file_descriptor *)e;
switch (command) {
default:
return 0;
- } /* switch (command) */
+ }
ASSERT(0);
- desc = NULL; /* XXX Avoid warning while empty switch */
+ desc = NULL;
+ */
return 0;
}
@@ -2507,12 +2669,14 @@ file_timeout(ErlDrvData e) {
driver_async(desc->port, KEY(desc), desc->invoke, desc->d, desc->free);
break;
case timer_write: {
- int r = flush_write(desc, NULL);
+#ifdef DEBUG
+ int r =
+#endif
+ flush_write(desc, NULL);
/* Only possible reason for bad return value is ENOMEM, and
* there is nobody to tell...
*/
ASSERT(r == 0);
- r = 0; /* Avoiding warning */
cq_execute(desc);
} break;
} /* case */
@@ -3213,9 +3377,69 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
goto done;
} /* case FILE_OPT_DELAYED_WRITE: */
} ASSERT(0); goto done; /* case FILE_SETOPT: */
-
+
+ case FILE_SENDFILE: {
+
+#ifdef HAVE_SENDFILE
+ struct t_data *d;
+ Uint32 out_fd, offsetH, offsetL, hd_len, tl_len;
+ Uint64 nbytes;
+ char flags;
+
+ if (ev->size < 1 + 7 * sizeof(Uint32) + sizeof(char)
+ || !EV_GET_UINT32(ev, &out_fd, &p, &q)
+ || !EV_GET_CHAR(ev, &flags, &p, &q)
+ || !EV_GET_UINT32(ev, &offsetH, &p, &q)
+ || !EV_GET_UINT32(ev, &offsetL, &p, &q)
+ || !EV_GET_UINT64(ev, &nbytes, &p, &q)
+ || !EV_GET_UINT32(ev, &hd_len, &p, &q)
+ || !EV_GET_UINT32(ev, &tl_len, &p, &q)) {
+ /* Buffer has wrong length to contain all the needed values */
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+
+ if (hd_len != 0 || tl_len != 0 || flags != 0) {
+ // We do not allow header, trailers and/or flags right now
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+
+ d = EF_SAFE_ALLOC(sizeof(struct t_data));
+ d->fd = desc->fd;
+ d->command = command;
+ d->invoke = invoke_sendfile;
+ d->free = NULL;
+ d->level = 2;
+
+ d->c.sendfile.out_fd = (int) out_fd;
+ d->c.sendfile.written = 0;
+
+ #if SIZEOF_OFF_T == 4
+ if (offsetH != 0) {
+ reply_posix_error(desc, EINVAL);
+ goto done;
+ }
+ d->c.sendfile.offset = (off_t) offsetL;
+ #else
+ d->c.sendfile.offset = ((off_t) offsetH << 32) | offsetL;
+ #endif
+
+ d->c.sendfile.nbytes = nbytes;
+
+ if (sys_info.async_threads != 0) {
+ SET_BLOCKING(d->c.sendfile.out_fd);
+ }
+
+ cq_enq(desc, d);
+#else
+ reply_posix_error(desc, ENOTSUP);
+#endif
+ goto done;
+ } /* case FILE_SENDFILE: */
+
} /* switch(command) */
-
+
if (lseek_flush_read(desc, &err) < 0) {
reply_posix_error(desc, err);
goto done;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 14:52:40 +0000