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vfs: uart/cdcacm/usb_serial_jtag fcntl return read/write state

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Dong Heng
2022-07-21 16:16:44 +08:00
committed by BOT
parent f3fc6f7435
commit b7ea6e44b2
3 changed files with 3 additions and 1 deletions
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2
components/vfs/vfs_cdcacm.c
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@ -271,7 +271,7 @@ static int cdcacm_fcntl(int fd, int cmd, int arg)
assert(fd == 0); assert(fd == 0);
int result; int result;
if (cmd == F_GETFL) { if (cmd == F_GETFL) {
result = 0; result = O_RDWR;
if (!s_blocking) { if (!s_blocking) {
result |= O_NONBLOCK; result |= O_NONBLOCK;
} }

1
components/vfs/vfs_uart.c
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@ -299,6 +299,7 @@ static int uart_fcntl(int fd, int cmd, int arg)
assert(fd >=0 && fd < 3); assert(fd >=0 && fd < 3);
int result = 0; int result = 0;
if (cmd == F_GETFL) { if (cmd == F_GETFL) {
result |= O_RDWR;
if (s_ctx[fd]->non_blocking) { if (s_ctx[fd]->non_blocking) {
result |= O_NONBLOCK; result |= O_NONBLOCK;
} }

1
components/vfs/vfs_usb_serial_jtag.c
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@ -245,6 +245,7 @@ static int usb_serial_jtag_fcntl(int fd, int cmd, int arg)
{ {
int result = 0; int result = 0;
if (cmd == F_GETFL) { if (cmd == F_GETFL) {
result |= O_RDWR;
if (s_ctx.non_blocking) { if (s_ctx.non_blocking) {
result |= O_NONBLOCK; result |= O_NONBLOCK;
} }