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[drivers][serial] ioctl add F_SETFL cmd (#5876)

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Tangyuxin 2022-04-26 13:13:51 +08:00 committed by GitHub
parent 7c99148f78
commit 7f1157e0de
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2 changed files with 14 additions and 0 deletions
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7
components/drivers/serial/serial.c
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@ -115,6 +115,8 @@ static int serial_fops_close(struct dfs_fd *fd)
static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args) static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args)
{ {
rt_device_t device; rt_device_t device;
int flags = (int)(rt_base_t)args;
int mask = O_NONBLOCK | O_APPEND;
device = (rt_device_t)fd->data; device = (rt_device_t)fd->data;
switch (cmd) switch (cmd)
@ -123,6 +125,11 @@ static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args)
break; break;
case FIONWRITE: case FIONWRITE:
break; break;
case F_SETFL:
flags &= mask;
fd->flags &= ~mask;
fd->flags |= flags;
break;
} }
return rt_device_control(device, cmd, args); return rt_device_control(device, cmd, args);

7
components/drivers/serial/serial_v2.c
View File

@ -94,6 +94,8 @@ static int serial_fops_close(struct dfs_fd *fd)
static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args) static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args)
{ {
rt_device_t device; rt_device_t device;
int flags = (int)(rt_base_t)args;
int mask = O_NONBLOCK | O_APPEND;
device = (rt_device_t)fd->data; device = (rt_device_t)fd->data;
switch (cmd) switch (cmd)
@ -102,6 +104,11 @@ static int serial_fops_ioctl(struct dfs_fd *fd, int cmd, void *args)
break; break;
case FIONWRITE: case FIONWRITE:
break; break;
case F_SETFL:
flags &= mask;
fd->flags &= ~mask;
fd->flags |= flags;
break;
} }
return rt_device_control(device, cmd, args); return rt_device_control(device, cmd, args);