Mercurial > public > mercurial-scm > hg
comparison mercurial/posix.py @ 29530:3239e2fdd2e2
chgserver: extract utility to bind unix domain socket to long path
This is common problem of using sockaddr_un.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Sat, 21 May 2016 16:52:04 +0900 |
| parents | c7129ed280b8 |
| children | 4b1af1c867fa 5f33116cd787 |
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| 29529:02de1dbd4f6e | 29530:3239e2fdd2e2 |
|---|---|
| 596 break | 596 break |
| 597 | 597 |
| 598 return ''.join(chunks) | 598 return ''.join(chunks) |
| 599 finally: | 599 finally: |
| 600 fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags) | 600 fcntl.fcntl(pipe, fcntl.F_SETFL, oldflags) |
| 601 | |
| 602 def bindunixsocket(sock, path): | |
| 603 """Bind the UNIX domain socket to the specified path""" | |
| 604 # use relative path instead of full path at bind() if possible, since | |
| 605 # AF_UNIX path has very small length limit (107 chars) on common | |
| 606 # platforms (see sys/un.h) | |
| 607 dirname, basename = os.path.split(path) | |
| 608 bakwdfd = None | |
| 609 if dirname: | |
| 610 bakwdfd = os.open('.', os.O_DIRECTORY) | |
| 611 os.chdir(dirname) | |
| 612 sock.bind(basename) | |
| 613 if bakwdfd: | |
| 614 os.fchdir(bakwdfd) | |
| 615 os.close(bakwdfd) |