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Merge pull request #14749 from tymoteuszblochmobica/fcntl 

Fcntl  setting improvement,
pull/14801/head
Martin Kojtal 2021-06-17 15:37:55 +02:00 committed by GitHub
parent 8cb8e49a67 bdb0a22dec
commit c358ab2946
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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) { switch (cmd) {
case F_GETFL: { case F_GETFL: {
int flags = 0; int flags = 0;
if (fhc->is_blocking()) { if (!fhc->is_blocking()) {
flags |= O_NONBLOCK; flags |= O_NONBLOCK;
} }
return flags; return flags;
@ -1191,11 +1191,12 @@ extern "C" int fcntl(int fildes, int cmd, ...)
va_start(ap, cmd); va_start(ap, cmd);
int flags = va_arg(ap, int); int flags = va_arg(ap, int);
va_end(ap); va_end(ap);
int ret = fhc->set_blocking(flags & O_NONBLOCK); int ret = fhc->set_blocking(!(flags & O_NONBLOCK));
if (ret < 0) { if (ret < 0) {
errno = -ret; errno = -ret;
return -1; return -1;
} }
return 0; return 0;
} }