3.4.6-1 shm_open always returns -1, errno EINVAL

Hi all, Cygwin 3.4.6-1 shm_open seems to reject all calls, returning  the value -1 and setting errno to 22 EINVAL. For example, this program: #include #include #include #include int main() {   int res = shm_open("123", O_CREAT | O_RDWR, 0666);   int error = errno;   printf("res=%d errno=

[ANNOUNCEMENT] Updated: Perl distributions

The following Perl distributions have been updated to their latest release version available on CPAN: noarch -- perl-Alien-Build-2.78-1 perl-Test-Inter-1.10-1 perl-Test-Simple-1.302193-1 perl-Test2-Suite-0.000148-1 -- *** CYGWIN-ANNOUNCE UNSUBSCRIBE INFO *** If you want

[ANNOUNCEMENT] Test: gcc-11.3.1+20230310-0.1

The native Gcc compilers have been updated to the latest upstream snapshot version of the gcc-11 branch: gcc-11.3.1+20230310 This release includes libgccjit as a separate package for the native toolchain. Since Cygwin does not yet enable ASLR by default, any nontrivial dynamic objects that ar

[ANNOUNCEMENT] cygport 0.36.1-1

The following packages have been uploaded to the Cygwin distribution: * cygport-0.36.1-1 cygport is the standard method for building and maintaining packages for the Cygwin distribution. Highlights of this release: cygport now warns if building on a case-insensitive filesystem. Add a new R