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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:46:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:46:30 +0000 |
| commit | b5896ba9f6047e7031e2bdee0622d543e11a6734 (patch) | |
| tree | fd7b460593a2fee1be579bec5697e6d887ea3421 /src/util/duplex_pipe.c | |
| parent | Initial commit. (diff) | |
| download | postfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.tar.xz postfix-b5896ba9f6047e7031e2bdee0622d543e11a6734.zip | |
Adding upstream version 3.4.23.upstream/3.4.23upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/duplex_pipe.c')
| -rw-r--r-- | src/util/duplex_pipe.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/util/duplex_pipe.c b/src/util/duplex_pipe.c new file mode 100644 index 0000000..04f23f6 --- /dev/null +++ b/src/util/duplex_pipe.c @@ -0,0 +1,49 @@ +/*++ +/* NAME +/* duplex_pipe 3 +/* SUMMARY +/* local IPD +/* SYNOPSIS +/* #include <iostuff.h> +/* +/* int duplex_pipe(fds) +/* int *fds; +/* DESCRIPTION +/* duplex_pipe() uses whatever local primitive it takes +/* to get a two-way I/O channel. +/* DIAGNOSTICS +/* A null result means success. In case of error, the result +/* is -1 and errno is set to the appropriate number. +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +/* System libraries */ + +#include <sys_defs.h> +#include <sys/socket.h> +#include <unistd.h> + +/* Utility library. */ + +#include "iostuff.h" +#include "sane_socketpair.h" + +/* duplex_pipe - give me a duplex pipe or bust */ + +int duplex_pipe(int *fds) +{ +#ifdef HAS_DUPLEX_PIPE + return (pipe(fds)); +#else + return (sane_socketpair(AF_UNIX, SOCK_STREAM, 0, fds)); +#endif +} + |