Date: Fri, 5 Oct 2007 11:56:59 GMT From: Fredrik Lindberg <fli@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 127223 for review Message-ID: <200710051156.l95BuxHE093082@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=127223 Change 127223 by fli@fli_genesis on 2007/10/05 11:56:26 - Add obj_clean() that garbage collects old objects. - Add obj_destroy() to free objects on shutdown. - Don't call obj_flush() in obj_free(), obj_clean does that now. - Minor whitespace fixes. Affected files ... .. //depot/projects/soc2007/fli-mdns_sd/mdnsd/objalloc.c#3 edit .. //depot/projects/soc2007/fli-mdns_sd/mdnsd/objalloc.h#3 edit Differences ... ==== //depot/projects/soc2007/fli-mdns_sd/mdnsd/objalloc.c#3 (text+ko) ==== @@ -78,7 +78,7 @@ { .os_sz = sizeof(struct cs_client) }, /* Query consumer */ { .os_sz = sizeof(struct query_cons) }, - /* Query type */ + /* Query type */ { .os_sz = sizeof(struct query_type) }, /* Outstanding UNIX pipe client query */ { .os_sz = sizeof(struct csc_query) } @@ -131,6 +131,51 @@ } /* + * Destroy and free object types + */ +void +obj_destroy() +{ + struct objs *os; + struct obj *o, *o2; + int i; + + for (i = 0; i < obj_table_size; i++) { + os = &obj_table[i]; + MDNS_INIT_ASSERT(os, os_magic); + MTX_LOCK(os, os_mtx); + TAILQ_FOREACH_SAFE(o, &os->os_free, o_next, o2) { + TAILQ_REMOVE(&os->os_free, o, o_next); + free(o); + } + + MDNS_INIT_UNSET(os, os_magic); + MTX_UNLOCK(os, os_mtx); + MTX_DESTROY(os, os_mtx); + } + dprintf(DEBUG_OA, "Object allocator destroyed"); +} + +/* + * Garbage collect old objects + */ +void +obj_clean() +{ + int i; + struct objs *os; + + dprintf(DEBUG_OA, "Garbage collecting objects"); + for (i = 0; i < obj_table_size; i++) { + os = &obj_table[i]; + MDNS_INIT_ASSERT(os, os_magic); + MTX_LOCK(os, os_mtx); + obj_flush(i); + MTX_UNLOCK(os, os_mtx); + } +} + +/* * Allocate an object of `type' */ void * @@ -185,6 +230,5 @@ MTX_LOCK(os, os_mtx); TAILQ_INSERT_HEAD(&os->os_free, o, o_next); dprintf(DEBUG_OA, "Released object type=%d o=%x", type, o); - obj_flush(type); MTX_UNLOCK(os, os_mtx); } ==== //depot/projects/soc2007/fli-mdns_sd/mdnsd/objalloc.h#3 (text+ko) ==== @@ -27,8 +27,8 @@ #ifndef _OBJALLOC_H_ #define _OBJALLOC_H_ -#define OBJ_PKGCHAIN 0 /* struct mdns_pkgchain {} */ -#define OBJ_PKG 1 /* struct mdns_packet {} */ +#define OBJ_PKGCHAIN 0 /* struct mdns_pkgchain {} */ +#define OBJ_PKG 1 /* struct mdns_packet {} */ #define OBJ_PKGRES 2 /* struct mdns_pkg_res {} */ #define OBJ_PAC 3 /* struct dbr_pac {} */ #define OBJ_OQE 4 /* struct oq_entry {} */ @@ -39,6 +39,8 @@ #define _OBJ_MAX 8 void obj_init(void); +void obj_destroy(void); +void obj_clean(void); void * obj_alloc(int); void obj_free(int, void *);
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