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Fcntl setting improvement, #14749

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merged 1 commit into from
Jun 17, 2021
Merged

Fcntl setting improvement, #14749

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5 changes: 3 additions & 2 deletions platform/source/mbed_retarget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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;
}

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