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-rw-r--r--src/util/iostuff.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/util/iostuff.h b/src/util/iostuff.h
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+#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