/*++ /* NAME /* qmgr_scan 3 /* SUMMARY /* queue scanning /* SYNOPSIS /* #include "qmgr.h" /* /* QMGR_SCAN *qmgr_scan_create(queue_name) /* const char *queue_name; /* /* char *qmgr_scan_next(scan_info) /* QMGR_SCAN *scan_info; /* /* void qmgr_scan_request(scan_info, flags) /* QMGR_SCAN *scan_info; /* int flags; /* DESCRIPTION /* This module implements queue scans. A queue scan always runs /* to completion, so that all files get a fair chance. The caller /* can request that a queue scan be restarted once it completes. /* /* qmgr_scan_create() creates a context for scanning the named queue, /* but does not start a queue scan. /* /* qmgr_scan_next() returns the base name of the next queue file. /* A null pointer means that no file was found. qmgr_scan_next() /* automagically restarts a queue scan when a scan request had /* arrived while the scan was in progress. /* /* qmgr_scan_request() records a request for the next queue scan. The /* flags argument is the bit-wise OR of zero or more of the following, /* unrecognized flags being ignored: /* .IP QMGR_FLUSH_ONCE /* Forget state information about dead hosts or transports. /* This request takes effect immediately. /* .IP QMGR_FLUSH_DFXP /* Override the defer_transports setting. This takes effect /* immediately when a queue scan is in progress, and affects /* the next queue scan. /* .IP QMGR_SCAN_ALL /* Ignore queue file time stamps. This takes effect immediately /* when a queue scan is in progress, and affects the next queue /* scan. /* .IP QMGR_SCAN_START /* Start a queue scan when none is in progress, or restart the /* current scan upon completion. /* DIAGNOSTICS /* Fatal: out of memory. /* Panic: interface violations, internal consistency errors. /* 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
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