src/backend/libpq/pqcomm.c:
> socket-flock.patch
>
> use advisory locks to check if the unix socket can be deleted.
> A running postmaster keeps a lock on that file. A starting
> postmaster exits if the file exists and is locked, otherwise
> it deletes the sockets and proceeds.
> This avoid the need to remove manually the file after a postmaster
> or system crash.
> I don't know if flock is available on any system. If not we could
> define a HAVE_FLOCK set by configure.
flock() is not standard call - imho, fcntl() should be used...
---
src/backend/port/snprintf.c:
snprintf.c:84: structure has no member named `_flags'
snprintf.c:84: `__SWR' undeclared (first use this function)
snprintf.c:84: (Each undeclared identifier is reported only once
snprintf.c:84: for each function it appears in.)
snprintf.c:84: `__SSTR' undeclared (first use this function)
snprintf.c:85: structure has no member named `_bf'
snprintf.c:85: structure has no member named `_p'
snprintf.c:86: structure has no member named `_bf'
snprintf.c:86: structure has no member named `_w'
snprintf.c:89: structure has no member named `_p'
^^^^^^^^^
This is about FILE structure...
BSD code was used for snprintf.c, but
FILE in BSD is not the same as in SunOS 5.5.1...
Vadim