These were defined as macros in osdMessageQueue.h, but declared as
prototypes in epcisMessageQueue.h public header. We need to implement
them as C functions for these to actually be usable.
gcc knows __gnu_printf__ since version 4.4.0, not only for MinGW but for
all targets. As we would need to check the gcc version anyway to avoid
"unrecognized format function type" errors with older MinGW versions,
we can simply use it for recent gcc versions and not depend on MinGW at all.
- warning: missing initializer for member ‘epicsTimeStamp::secPastEpoch’ [-Wmissing-field-initializers]
- warning: missing initializer for member ‘epicsTimeStamp::nsec’ [-Wmissing-field-initializers]
Doxygen changes in postfix.h mostly formatting & adding tags.
Rec-ref changes regrouped the operators to match the order in
postfix.h, formatting, and added some missing operators.
Updated description of calcout.OEVT for named events.
The implementation using select() limits file desciptors to FD_SETSIZE,
typically 1024 on Linux. This number is too low for some applications,
for example for the CA gateway.
Therefore, Linux builds use poll() instead.
Per the manpage in the file's comment, SIOCOUTQ is equivalent to the
TIOCOUTQ ioctl, whose value can be obtained by including <sys/ioctl.h>,
which allows us to avoid including any system-specific headers. This is
desirable so that, on a musl system, it won't be necessary to install
kernel headers in order to build epics-base.
Since it's first been checked into Git, the Linux kernel has defined
SIOCOUTQ to be TIOCOUTQ [1].
From the three main libc options on Linux: glibc and uclibc use the
kernel headers, so both ioctls are available; and musl defines only
TIOCOUTQ in their own headers.
[1] 1da177e4c3
