Change the support code for directory creation so that it sets all
permission bits (ugo=rwx). The process's currently active umask will be
subtracted from these permissions, which leads to the result that (for a
standard umask of "022") directories are created with a mode of "0755".
So by default, directories created with `prim__createDir` are now also
group-executable and other-executable by default.
Previous behaviour was to create the directories readable for group and
other, but not executable (mode "744"), and thus inaccessible to anyone
except the owner.
Written by Volkmar Frinken (@vfrinken). This is intended as a
lightweight (i.e. minimal dependencies) code generator that can be
ported to multiple platforms, especially those with memory constraints.
It shouldn't be expected to be anywhere near as fast as the Scheme back
end, for lots of reasons. The main goal is portability.
The Network.Socket.Data code previously used hardcoded constants manually read
from auto-generated C source code, however these constants are specific to
Linux. The original code looked like this:
export
ToCode SocketFamily where
-- Don't know how to read a constant value from C code in idris2...
-- gotta to hardcode those for now
toCode AF_UNSPEC = 0 -- unsafePerformIO (cMacro "#AF_UNSPEC" Int)
toCode AF_UNIX = 1
toCode AF_INET = 2
toCode AF_INET6 = 10
The AF_INET6 constant is correct on my Debian 10 laptop:
molly on flywheel ~> grep -rE '^#define AF_INET6' /usr/include
/usr/include/x86_64-linux-gnu/bits/socket.h:#define AF_INET6 PF_INET6
molly on flywheel ~> grep -rE '^#define PF_INET6' /usr/include
/usr/include/x86_64-linux-gnu/bits/socket.h:#define PF_INET6 10 /* IP version 6. */
However, this is not the case on an OpenBSD machine:
spanner# grep -rE '^#define[[:space:]]+AF_INET6' /usr/include
/usr/include/sys/socket.h:#define AF_INET6 24 /* IPv6 */
This commit adds accessor functions to the C runtime support library for
retrieving the values of these macros as they appear in the system libc header
files, which can then be invoked using the normal C FFI machinery.
Conditional variables with timeout in Chez didn't work, so changed to a
consistent meaning of the timeout (microseconds). Also fix linearity of
unsafePerformIO.
