git: libc - Fix intermediate path elements if used in shm_open()

[Matthew Dillon]

commit 31334a055e66508b41fde101e5a87c01326e8dc3
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Jun 8 14:25:01 2021 -0700

    libc - Fix intermediate path elements if used in shm_open()
    
    * Our shm_open() places the path relative to /var/run/shm, but if
      the directory structure for miscellaneous prefixes (such as
      "/tmp/blahblah", "/dev/shm/blahblah", etc) do not exist under
      /var/run/shm then shm_open() fails when it should not.
    
    * Change shm_open() to automatically create any intermediate directory
      elements under /var/run/shm/ that are missing.  The elements will
      be created mode 1777.
    
    * Fixes chromium-90 and any other packages that still use directory
      prefixes in shm_open() calls.

Summary of changes:
 lib/libc/gen/posixshm.c | 64 ++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 58 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/31334a055e66508b41fde101e5a87c01326e8dc3


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