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Fcntl setting Non Blocking operations improvement

pull/14749/head
Tymoteusz Bloch 2021-06-09 01:38:11 +02:00
parent 7c17693c06
commit bdb0a22dec
1 changed files with 3 additions and 2 deletions
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5
platform/source/mbed_retarget.cpp
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@ -1181,7 +1181,7 @@ extern "C" int fcntl(int fildes, int cmd, ...)
switch (cmd) {
case F_GETFL: {
int flags = 0;
if (fhc->is_blocking()) {
if (!fhc->is_blocking()) {
flags |= O_NONBLOCK;
}
return flags;
@ -1191,11 +1191,12 @@ extern "C" int fcntl(int fildes, int cmd, ...)
va_start(ap, cmd);
int flags = va_arg(ap, int);
va_end(ap);
int ret = fhc->set_blocking(flags & O_NONBLOCK);
int ret = fhc->set_blocking(!(flags & O_NONBLOCK));
if (ret < 0) {
errno = -ret;
return -1;
}
return 0;
}