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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:18:56 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:18:56 +0000 |
| commit | b7c15c31519dc44c1f691e0466badd556ffe9423 (patch) | |
| tree | f944572f288bab482a615e09af627d9a2b6727d8 /src/util/iostuff.h | |
| parent | Initial commit. (diff) | |
| download | postfix-b7c15c31519dc44c1f691e0466badd556ffe9423.tar.xz postfix-b7c15c31519dc44c1f691e0466badd556ffe9423.zip | |
Adding upstream version 3.7.10.upstream/3.7.10
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/iostuff.h')
| -rw-r--r-- | src/util/iostuff.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/util/iostuff.h b/src/util/iostuff.h new file mode 100644 index 0000000..0c54d03 --- /dev/null +++ b/src/util/iostuff.h @@ -0,0 +1,73 @@ +#ifndef _IOSTUFF_H_INCLUDED_ +#define _IOSTUFF_H_INCLUDED_ + +/*++ +/* NAME +/* iostuff 3h +/* SUMMARY +/* miscellaneous I/O primitives +/* SYNOPSIS +/* #include <iostuff.h> +/* DESCRIPTION + + /* + * External interface. + */ +extern int non_blocking(int, int); +extern int close_on_exec(int, int); +extern int open_limit(int); +extern int poll_fd(int, int, int, int, int); +extern off_t get_file_limit(void); +extern void set_file_limit(off_t); +extern ssize_t peekfd(int); +extern ssize_t write_buf(int, const char *, ssize_t, int); +extern ssize_t timed_read(int, void *, size_t, int, void *); +extern ssize_t timed_write(int, const void *, size_t, int, void *); +extern void doze(unsigned); +extern void rand_sleep(unsigned, unsigned); +extern int duplex_pipe(int *); +extern int stream_recv_fd(int); +extern int stream_send_fd(int, int); +extern int unix_recv_fd(int); +extern int unix_send_fd(int, int); +extern ssize_t dummy_read(int, void *, size_t, int, void *); +extern ssize_t dummy_write(int, void *, size_t, int, void *); + +#define readable(fd) poll_fd((fd), POLL_FD_READ, 0, 1, 0) +#define writable(fd) poll_fd((fd), POLL_FD_WRITE, 0, 1, 0) + +#define read_wait(fd, timeout) poll_fd((fd), POLL_FD_READ, (timeout), 0, -1) +#define write_wait(fd, timeout) poll_fd((fd), POLL_FD_WRITE, (timeout), 0, -1) + +extern int inet_windowsize; +extern void set_inet_windowsize(int, int); + +#define POLL_FD_READ 0 +#define POLL_FD_WRITE 1 + +#define BLOCKING 0 +#define NON_BLOCKING 1 + +#define CLOSE_ON_EXEC 1 +#define PASS_ON_EXEC 0 + +extern int unix_pass_fd_fix; +extern void set_unix_pass_fd_fix(const char *); + +#define UNIX_PASS_FD_FIX_NONE (0) +#define UNIX_PASS_FD_FIX_CMSG_LEN (1<<0) + +/* 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 +/* CREATION DATE +/* Sat Jan 25 16:54:13 EST 1997 +/*--*/ + +#endif |