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| author | Peter Eisentraut <peter@eisentraut.org> | 2020-11-25 08:14:23 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2020-11-25 08:33:57 +0100 |
| commit | c9f0624bc2f544baacafa38e3797d5323401d039 (patch) | |
| tree | 4425354e0eb7391059df513989a9aa62cd237b65 /src/backend/libpq/pqcomm.c | |
| parent | a7e65dc88b6f088fc2fcf5a660d866de644b1300 (diff) | |
| download | postgresql-c9f0624bc2f544baacafa38e3797d5323401d039.tar.gz postgresql-c9f0624bc2f544baacafa38e3797d5323401d039.zip | |
Add support for abstract Unix-domain sockets
This is a variant of the normal Unix-domain sockets that don't use the
file system but a separate "abstract" namespace. At the user
interface, such sockets are represented by names starting with "@".
Supported on Linux and Windows right now.
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://www.postgresql.org/message-id/flat/6dee8574-b0ad-fc49-9c8c-2edc796f0033@2ndquadrant.com
Diffstat (limited to 'src/backend/libpq/pqcomm.c')
| -rw-r--r-- | src/backend/libpq/pqcomm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/libpq/pqcomm.c b/src/backend/libpq/pqcomm.c index d7de962a04c..a9a52d48f91 100644 --- a/src/backend/libpq/pqcomm.c +++ b/src/backend/libpq/pqcomm.c @@ -611,6 +611,10 @@ StreamServerPort(int family, const char *hostName, unsigned short portNumber, static int Lock_AF_UNIX(const char *unixSocketDir, const char *unixSocketPath) { + /* no lock file for abstract sockets */ + if (unixSocketPath[0] == '@') + return STATUS_OK; + /* * Grab an interlock file associated with the socket file. * @@ -642,6 +646,10 @@ Lock_AF_UNIX(const char *unixSocketDir, const char *unixSocketPath) static int Setup_AF_UNIX(const char *sock_path) { + /* no file system permissions for abstract sockets */ + if (sock_path[0] == '@') + return STATUS_OK; + /* * Fix socket ownership/permission if requested. Note we must do this * before we listen() to avoid a window where unwanted connections could |