From b9c26c9c21e4c4b81ebdc883873bb2f571da24c3 Mon Sep 17 00:00:00 2001 From: progier389 Date: Tue, 18 Jul 2023 11:17:07 +0200 Subject: [PATCH 05/11] Issue 4551 - Paged search impacts performance (#5838) Problem: Having a script looping doing a search with paged result impact greatly the performance of other clients (for example ldclt bind+search rate decreased by 80% in the test case) Cause: Page result field in connection were protected by the connection mutex that is also used by the listener thread, in some cases this cause contention that delays the handling of new operations Solution: Do not rely on the connection mutex to protect the page result context but on a dedicated array of locks. (cherry picked from commit 3c510e0a26e321949b552b5e8c887634d9d7e63e) --- ldap/servers/slapd/daemon.c | 1 + ldap/servers/slapd/main.c | 2 + ldap/servers/slapd/opshared.c | 26 +++--- ldap/servers/slapd/pagedresults.c | 134 ++++++++++++++++++------------ ldap/servers/slapd/proto-slap.h | 3 + 5 files changed, 101 insertions(+), 65 deletions(-) diff --git a/ldap/servers/slapd/daemon.c b/ldap/servers/slapd/daemon.c index 9eed67892..388fa0943 100644 --- a/ldap/servers/slapd/daemon.c +++ b/ldap/servers/slapd/daemon.c @@ -1367,6 +1367,7 @@ slapd_daemon(daemon_ports_t *ports) slapi_log_err(SLAPI_LOG_TRACE, "slapd_daemon", "slapd shutting down - waiting for backends to close down\n"); + pageresult_lock_cleanup(); eq_stop(); /* deprecated */ eq_stop_rel(); if (!in_referral_mode) { diff --git a/ldap/servers/slapd/main.c b/ldap/servers/slapd/main.c index fe7f74e91..ed2de90b1 100644 --- a/ldap/servers/slapd/main.c +++ b/ldap/servers/slapd/main.c @@ -989,6 +989,7 @@ main(int argc, char **argv) eq_init_rel(); /* must be done before plugins started */ ps_init_psearch_system(); /* must come before plugin_startall() */ + pageresult_lock_init(); /* initialize UniqueID generator - must be done once backends are started @@ -2214,6 +2215,7 @@ slapd_exemode_db2ldif(int argc, char **argv, struct main_config *mcfg) eq_init_rel(); /* must be done before plugins started */ ps_init_psearch_system(); /* must come before plugin_startall() */ + pageresult_lock_init(); plugin_startall(argc, argv, plugin_list); eq_start(); /* must be done after plugins started - DEPRECATED*/ eq_start_rel(); /* must be done after plugins started */ diff --git a/ldap/servers/slapd/opshared.c b/ldap/servers/slapd/opshared.c index 905a81f0f..897b9566e 100644 --- a/ldap/servers/slapd/opshared.c +++ b/ldap/servers/slapd/opshared.c @@ -271,6 +271,7 @@ op_shared_search(Slapi_PBlock *pb, int send_result) int pr_idx = -1; Slapi_DN *orig_sdn = NULL; int free_sdn = 0; + pthread_mutex_t *pagedresults_mutex = NULL; be_list[0] = NULL; referral_list[0] = NULL; @@ -577,6 +578,7 @@ op_shared_search(Slapi_PBlock *pb, int send_result) int32_t tlimit; slapi_pblock_get(pb, SLAPI_SEARCH_TIMELIMIT, &tlimit); pagedresults_set_timelimit(pb_conn, operation, (time_t)tlimit, pr_idx); + pagedresults_mutex = pageresult_lock_get_addr(pb_conn); } /* @@ -694,10 +696,10 @@ op_shared_search(Slapi_PBlock *pb, int send_result) /* PAGED RESULTS and already have the search results from the prev op */ pagedresults_lock(pb_conn, pr_idx); /* - * In async paged result case, the search result might be released - * by other theads. We need to double check it in the locked region. - */ - pthread_mutex_lock(&(pb_conn->c_mutex)); + * In async paged result case, the search result might be released + * by other theads. We need to double check it in the locked region. + */ + pthread_mutex_lock(pagedresults_mutex); pr_search_result = pagedresults_get_search_result(pb_conn, operation, 1 /*locked*/, pr_idx); if (pr_search_result) { if (pagedresults_is_abandoned_or_notavailable(pb_conn, 1 /*locked*/, pr_idx)) { @@ -705,7 +707,7 @@ op_shared_search(Slapi_PBlock *pb, int send_result) /* Previous operation was abandoned and the simplepaged object is not in use. */ send_ldap_result(pb, 0, NULL, "Simple Paged Results Search abandoned", 0, NULL); rc = LDAP_SUCCESS; - pthread_mutex_unlock(&(pb_conn->c_mutex)); + pthread_mutex_unlock(pagedresults_mutex); goto free_and_return; } else { slapi_pblock_set(pb, SLAPI_SEARCH_RESULT_SET, pr_search_result); @@ -719,7 +721,7 @@ op_shared_search(Slapi_PBlock *pb, int send_result) pr_stat = PAGEDRESULTS_SEARCH_END; rc = LDAP_SUCCESS; } - pthread_mutex_unlock(&(pb_conn->c_mutex)); + pthread_mutex_unlock(pagedresults_mutex); pagedresults_unlock(pb_conn, pr_idx); if ((PAGEDRESULTS_SEARCH_END == pr_stat) || (0 == pnentries)) { @@ -844,10 +846,10 @@ op_shared_search(Slapi_PBlock *pb, int send_result) /* PAGED RESULTS */ if (op_is_pagedresults(operation)) { /* cleanup the slot */ - pthread_mutex_lock(&(pb_conn->c_mutex)); + pthread_mutex_lock(pagedresults_mutex); pagedresults_set_search_result(pb_conn, operation, NULL, 1, pr_idx); rc = pagedresults_set_current_be(pb_conn, NULL, pr_idx, 1); - pthread_mutex_unlock(&(pb_conn->c_mutex)); + pthread_mutex_unlock(pagedresults_mutex); } if (1 == flag_no_such_object) { break; @@ -888,11 +890,11 @@ op_shared_search(Slapi_PBlock *pb, int send_result) slapi_pblock_get(pb, SLAPI_SEARCH_RESULT_SET, &sr); if ((PAGEDRESULTS_SEARCH_END == pr_stat) || (0 == pnentries)) { /* no more entries, but at least another backend */ - pthread_mutex_lock(&(pb_conn->c_mutex)); + pthread_mutex_lock(pagedresults_mutex); pagedresults_set_search_result(pb_conn, operation, NULL, 1, pr_idx); be->be_search_results_release(&sr); rc = pagedresults_set_current_be(pb_conn, next_be, pr_idx, 1); - pthread_mutex_unlock(&(pb_conn->c_mutex)); + pthread_mutex_unlock(pagedresults_mutex); pr_stat = PAGEDRESULTS_SEARCH_END; /* make sure stat is SEARCH_END */ if (NULL == next_be) { /* no more entries && no more backends */ @@ -920,9 +922,9 @@ op_shared_search(Slapi_PBlock *pb, int send_result) next_be = NULL; /* to break the loop */ if (operation->o_status & SLAPI_OP_STATUS_ABANDONED) { /* It turned out this search was abandoned. */ - pthread_mutex_lock(&(pb_conn->c_mutex)); + pthread_mutex_lock(pagedresults_mutex); pagedresults_free_one_msgid_nolock(pb_conn, operation->o_msgid); - pthread_mutex_unlock(&(pb_conn->c_mutex)); + pthread_mutex_unlock(pagedresults_mutex); /* paged-results-request was abandoned; making an empty cookie. */ pagedresults_set_response_control(pb, 0, estimate, -1, pr_idx); send_ldap_result(pb, 0, NULL, "Simple Paged Results Search abandoned", 0, NULL); diff --git a/ldap/servers/slapd/pagedresults.c b/ldap/servers/slapd/pagedresults.c index e3444e944..01fe3370f 100644 --- a/ldap/servers/slapd/pagedresults.c +++ b/ldap/servers/slapd/pagedresults.c @@ -12,6 +12,34 @@ #include "slap.h" +#define LOCK_HASH_SIZE 997 /* Should be a prime number */ + +static pthread_mutex_t *lock_hash = NULL; + +void +pageresult_lock_init() +{ + lock_hash = (pthread_mutex_t *)slapi_ch_calloc(LOCK_HASH_SIZE, sizeof(pthread_mutex_t)); + for (size_t i=0; ic_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); /* the ber encoding is no longer needed */ ber_free(ber, 1); if (cookie.bv_len <= 0) { @@ -206,7 +234,7 @@ bail: } } } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_parse_control_value", "<= idx %d\n", *index); @@ -300,7 +328,7 @@ pagedresults_free_one(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_free_one", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (conn->c_pagedresults.prl_count <= 0) { slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_free_one", "conn=%" PRIu64 " paged requests list count is %d\n", @@ -311,7 +339,7 @@ pagedresults_free_one(Connection *conn, Operation *op, int index) conn->c_pagedresults.prl_count--; rc = 0; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_free_one", "<= %d\n", rc); @@ -319,7 +347,7 @@ pagedresults_free_one(Connection *conn, Operation *op, int index) } /* - * Used for abandoning - conn->c_mutex is already locked in do_abandone. + * Used for abandoning - pageresult_lock_get_addr(conn) is already locked in do_abandone. */ int pagedresults_free_one_msgid_nolock(Connection *conn, ber_int_t msgid) @@ -363,11 +391,11 @@ pagedresults_get_current_be(Connection *conn, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_current_be", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { be = conn->c_pagedresults.prl_list[index].pr_current_be; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_current_be", "<= %p\n", be); @@ -382,13 +410,13 @@ pagedresults_set_current_be(Connection *conn, Slapi_Backend *be, int index, int "pagedresults_set_current_be", "=> idx=%d\n", index); if (conn && (index > -1)) { if (!nolock) - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_current_be = be; } rc = 0; if (!nolock) - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_current_be", "<= %d\n", rc); @@ -407,13 +435,13 @@ pagedresults_get_search_result(Connection *conn, Operation *op, int locked, int locked ? "locked" : "not locked", index); if (conn && (index > -1)) { if (!locked) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); } if (index < conn->c_pagedresults.prl_maxlen) { sr = conn->c_pagedresults.prl_list[index].pr_search_result_set; } if (!locked) { - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } } slapi_log_err(SLAPI_LOG_TRACE, @@ -433,7 +461,7 @@ pagedresults_set_search_result(Connection *conn, Operation *op, void *sr, int lo index, sr); if (conn && (index > -1)) { if (!locked) - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { PagedResults *prp = conn->c_pagedresults.prl_list + index; if (!(prp->pr_flags & CONN_FLAG_PAGEDRESULTS_ABANDONED) || !sr) { @@ -443,7 +471,7 @@ pagedresults_set_search_result(Connection *conn, Operation *op, void *sr, int lo rc = 0; } if (!locked) - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_search_result", "=> %d\n", rc); @@ -460,11 +488,11 @@ pagedresults_get_search_result_count(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_search_result_count", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { count = conn->c_pagedresults.prl_list[index].pr_search_result_count; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_search_result_count", "<= %d\n", count); @@ -481,11 +509,11 @@ pagedresults_set_search_result_count(Connection *conn, Operation *op, int count, slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_search_result_count", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_search_result_count = count; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, @@ -506,11 +534,11 @@ pagedresults_get_search_result_set_size_estimate(Connection *conn, "pagedresults_get_search_result_set_size_estimate", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { count = conn->c_pagedresults.prl_list[index].pr_search_result_set_size_estimate; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_search_result_set_size_estimate", "<= %d\n", @@ -532,11 +560,11 @@ pagedresults_set_search_result_set_size_estimate(Connection *conn, "pagedresults_set_search_result_set_size_estimate", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_search_result_set_size_estimate = count; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, @@ -555,11 +583,11 @@ pagedresults_get_with_sort(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_with_sort", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { flags = conn->c_pagedresults.prl_list[index].pr_flags & CONN_FLAG_PAGEDRESULTS_WITH_SORT; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_with_sort", "<= %d\n", flags); @@ -576,14 +604,14 @@ pagedresults_set_with_sort(Connection *conn, Operation *op, int flags, int index slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_with_sort", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { if (flags & OP_FLAG_SERVER_SIDE_SORTING) { conn->c_pagedresults.prl_list[index].pr_flags |= CONN_FLAG_PAGEDRESULTS_WITH_SORT; } } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_with_sort", "<= %d\n", rc); @@ -600,11 +628,11 @@ pagedresults_get_unindexed(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_unindexed", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { flags = conn->c_pagedresults.prl_list[index].pr_flags & CONN_FLAG_PAGEDRESULTS_UNINDEXED; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_unindexed", "<= %d\n", flags); @@ -621,12 +649,12 @@ pagedresults_set_unindexed(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_unindexed", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_flags |= CONN_FLAG_PAGEDRESULTS_UNINDEXED; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, @@ -644,11 +672,11 @@ pagedresults_get_sort_result_code(Connection *conn, Operation *op, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_sort_result_code", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { code = conn->c_pagedresults.prl_list[index].pr_sort_result_code; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_get_sort_result_code", "<= %d\n", code); @@ -665,11 +693,11 @@ pagedresults_set_sort_result_code(Connection *conn, Operation *op, int code, int slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_sort_result_code", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_sort_result_code = code; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, @@ -687,11 +715,11 @@ pagedresults_set_timelimit(Connection *conn, Operation *op, time_t timelimit, in slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_timelimit", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { slapi_timespec_expire_at(timelimit, &(conn->c_pagedresults.prl_list[index].pr_timelimit_hr)); } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); rc = 0; } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_set_timelimit", "<= %d\n", rc); @@ -746,7 +774,7 @@ pagedresults_cleanup(Connection *conn, int needlock) } if (needlock) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); } for (i = 0; conn->c_pagedresults.prl_list && i < conn->c_pagedresults.prl_maxlen; @@ -765,7 +793,7 @@ pagedresults_cleanup(Connection *conn, int needlock) } conn->c_pagedresults.prl_count = 0; if (needlock) { - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } /* slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_cleanup", "<= %d\n", rc); */ return rc; @@ -792,7 +820,7 @@ pagedresults_cleanup_all(Connection *conn, int needlock) } if (needlock) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); } for (i = 0; conn->c_pagedresults.prl_list && i < conn->c_pagedresults.prl_maxlen; @@ -812,7 +840,7 @@ pagedresults_cleanup_all(Connection *conn, int needlock) conn->c_pagedresults.prl_maxlen = 0; conn->c_pagedresults.prl_count = 0; if (needlock) { - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_cleanup_all", "<= %d\n", rc); return rc; @@ -831,7 +859,7 @@ pagedresults_check_or_set_processing(Connection *conn, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_check_or_set_processing", "=>\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { ret = (conn->c_pagedresults.prl_list[index].pr_flags & CONN_FLAG_PAGEDRESULTS_PROCESSING); @@ -839,7 +867,7 @@ pagedresults_check_or_set_processing(Connection *conn, int index) conn->c_pagedresults.prl_list[index].pr_flags |= CONN_FLAG_PAGEDRESULTS_PROCESSING; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_check_or_set_processing", "<= %d\n", ret); @@ -858,7 +886,7 @@ pagedresults_reset_processing(Connection *conn, int index) slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_reset_processing", "=> idx=%d\n", index); if (conn && (index > -1)) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { ret = (conn->c_pagedresults.prl_list[index].pr_flags & CONN_FLAG_PAGEDRESULTS_PROCESSING); @@ -866,7 +894,7 @@ pagedresults_reset_processing(Connection *conn, int index) conn->c_pagedresults.prl_list[index].pr_flags &= ~CONN_FLAG_PAGEDRESULTS_PROCESSING; } - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } slapi_log_err(SLAPI_LOG_TRACE, "pagedresults_reset_processing", "<= %d\n", ret); @@ -885,7 +913,7 @@ pagedresults_reset_processing(Connection *conn, int index) * Do not return timed out here. But let the next request take care the * timedout slot(s). * - * must be called within conn->c_mutex + * must be called within pageresult_lock_get_addr(conn) */ int pagedresults_is_timedout_nolock(Connection *conn) @@ -912,7 +940,7 @@ pagedresults_is_timedout_nolock(Connection *conn) /* * reset all timeout - * must be called within conn->c_mutex + * must be called within pageresult_lock_get_addr(conn) */ int pagedresults_reset_timedout_nolock(Connection *conn) @@ -977,9 +1005,9 @@ pagedresults_lock(Connection *conn, int index) if (!conn || (index < 0) || (index >= conn->c_pagedresults.prl_maxlen)) { return; } - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); prp = conn->c_pagedresults.prl_list + index; - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); if (prp->pr_mutex) { PR_Lock(prp->pr_mutex); } @@ -993,9 +1021,9 @@ pagedresults_unlock(Connection *conn, int index) if (!conn || (index < 0) || (index >= conn->c_pagedresults.prl_maxlen)) { return; } - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); prp = conn->c_pagedresults.prl_list + index; - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); if (prp->pr_mutex) { PR_Unlock(prp->pr_mutex); } @@ -1010,11 +1038,11 @@ pagedresults_is_abandoned_or_notavailable(Connection *conn, int locked, int inde return 1; /* not abandoned, but do not want to proceed paged results op. */ } if (!locked) { - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); } prp = conn->c_pagedresults.prl_list + index; if (!locked) { - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } return prp->pr_flags & CONN_FLAG_PAGEDRESULTS_ABANDONED; } @@ -1039,13 +1067,13 @@ pagedresults_set_search_result_pb(Slapi_PBlock *pb, void *sr, int locked) "pagedresults_set_search_result_pb", "=> idx=%d, sr=%p\n", index, sr); if (conn && (index > -1)) { if (!locked) - pthread_mutex_lock(&(conn->c_mutex)); + pthread_mutex_lock(pageresult_lock_get_addr(conn)); if (index < conn->c_pagedresults.prl_maxlen) { conn->c_pagedresults.prl_list[index].pr_search_result_set = sr; rc = 0; } if (!locked) { - pthread_mutex_unlock(&(conn->c_mutex)); + pthread_mutex_unlock(pageresult_lock_get_addr(conn)); } } slapi_log_err(SLAPI_LOG_TRACE, diff --git a/ldap/servers/slapd/proto-slap.h b/ldap/servers/slapd/proto-slap.h index eba115a62..65efee854 100644 --- a/ldap/servers/slapd/proto-slap.h +++ b/ldap/servers/slapd/proto-slap.h @@ -1547,6 +1547,9 @@ int slapd_do_all_nss_ssl_init(int slapd_exemode, int importexport_encrypt, int s /* * pagedresults.c */ +void pageresult_lock_init(); +void pageresult_lock_cleanup(); +pthread_mutex_t *pageresult_lock_get_addr(Connection *conn); int pagedresults_parse_control_value(Slapi_PBlock *pb, struct berval *psbvp, ber_int_t *pagesize, int *index, Slapi_Backend *be); void pagedresults_set_response_control(Slapi_PBlock *pb, int iscritical, ber_int_t estimate, int curr_search_count, int index); Slapi_Backend *pagedresults_get_current_be(Connection *conn, int index); -- 2.41.0