X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/691ca88ca06899e02e77cb28fbf075de450607bc..08102cbe8102f99b31655aa0e926c45b427efe6d:/src/src/queue.c diff --git a/src/src/queue.c b/src/src/queue.c index 1b70c02b6..a93a7a55f 100644 --- a/src/src/queue.c +++ b/src/src/queue.c @@ -3,6 +3,7 @@ *************************************************/ /* Copyright (c) University of Cambridge 1995 - 2018 */ +/* Copyright (c) The Exim Maintainers 2020 */ /* See the file NOTICE for conditions of use and distribution. */ /* Functions that operate on the input queue. */ @@ -125,8 +126,6 @@ int resetflags = -1; int subptr; queue_filename *yield = NULL; queue_filename *last = NULL; -struct dirent *ent; -DIR *dd; uschar buffer[256]; queue_filename *root[LOG2_MAXNODES]; @@ -171,6 +170,7 @@ for (; i <= *subcount; i++) { int count = 0; int subdirchar = subdirs[i]; /* 0 for main directory */ + DIR *dd; if (subdirchar != 0) { @@ -179,12 +179,12 @@ for (; i <= *subcount; i++) } DEBUG(D_queue_run) debug_printf("looking in %s\n", buffer); - if (!(dd = opendir(CS buffer))) + if (!(dd = exim_opendir(buffer))) continue; /* Now scan the directory. */ - while ((ent = readdir(dd))) + for (struct dirent *ent; ent = readdir(dd); ) { uschar *name = US ent->d_name; int len = Ustrlen(name); @@ -353,6 +353,7 @@ uschar *log_detail = NULL; int subcount = 0; uschar subdirs[64]; pid_t qpid[4] = {0}; /* Parallelism factor for q2stage 1st phase */ +BOOL single_id = FALSE; #ifdef MEASURE_TIMING report_time_since(×tamp_startup, US"queue_run start"); @@ -392,12 +393,18 @@ if (!recurse) p += sprintf(CS p, " -q%s", extras); if (deliver_selectstring) - p += sprintf(CS p, " -R%s %s", f.deliver_selectstring_regex? "r" : "", - deliver_selectstring); + { + snprintf(CS p, big_buffer_size - (p - big_buffer), " -R%s %s", + f.deliver_selectstring_regex? "r" : "", deliver_selectstring); + p += Ustrlen(CCS p); + } if (deliver_selectstring_sender) - p += sprintf(CS p, " -S%s %s", f.deliver_selectstring_sender_regex? "r" : "", - deliver_selectstring_sender); + { + snprintf(CS p, big_buffer_size - (p - big_buffer), " -S%s %s", + f.deliver_selectstring_sender_regex? "r" : "", deliver_selectstring_sender); + p += Ustrlen(CCS p); + } log_detail = string_copy(big_buffer); if (*queue_name) @@ -405,6 +412,9 @@ if (!recurse) queue_name, log_detail); else log_write(L_queue_run, LOG_MAIN, "Start queue run: %s", log_detail); + + single_id = start_id && stop_id && !f.queue_2stage + && Ustrcmp(start_id, stop_id) == 0; } /* If deliver_selectstring is a regex, compile it. */ @@ -492,10 +502,8 @@ for (int i = queue_run_in_order ? -1 : 0; } else for (i = 0; qpid[i]; ) i++; - DEBUG(D_queue_run) debug_printf("q2stage forking\n"); - if ((qpid[i] = fork())) + if ((qpid[i] = exim_fork(US"qrun-phase-one"))) continue; /* parent loops around */ - DEBUG(D_queue_run) debug_printf("q2stage child\n"); } /* Skip this message unless it's within the ID limits */ @@ -646,13 +654,14 @@ for (int i = queue_run_in_order ? -1 : 0; report_time_since(×tamp_startup, US"queue msg selected"); #endif - if ((pid = fork()) == 0) +single_item_retry: + if ((pid = exim_fork(US"qrun-delivery")) == 0) { int rc; - testharness_pause_ms(100); (void)close(pfd[pipe_read]); rc = deliver_message(fq->text, force_delivery, FALSE); - exim_underbar_exit(rc == DELIVER_NOT_ATTEMPTED); + exim_underbar_exit(rc == DELIVER_NOT_ATTEMPTED + ? EXIT_FAILURE : EXIT_SUCCESS); } if (pid < 0) log_write(0, LOG_MAIN|LOG_PANIC_DIE, "fork of delivery process from " @@ -677,6 +686,18 @@ for (int i = queue_run_in_order ? -1 : 0; "queue run: process %d crashed with signal %d while delivering %s", (int)pid, status & 0x00ff, fq->text); + /* If single-item delivery was untried (likely due to locking) + retry once after a delay */ + + if (status & 0xff00 && single_id) + { + single_id = FALSE; + DEBUG(D_queue_run) debug_printf("qrun single-item pause before retry\n"); + millisleep(500); + DEBUG(D_queue_run) debug_printf("qrun single-item retry after pause\n"); + goto single_item_retry; + } + /* Before continuing, wait till the pipe gets closed at the far end. This tells us that any children created by the delivery to re-use any SMTP channels have all finished. Since no process actually writes to the pipe, @@ -692,7 +713,7 @@ for (int i = queue_run_in_order ? -1 : 0; /* If initial of a 2-phase run, we are a child - so just exit */ if (f.queue_2stage && !queue_run_in_order) - exim_exit(EXIT_SUCCESS, US"2-phase child"); + exim_exit(EXIT_SUCCESS); /* If we are in the test harness, and this is not the first of a 2-stage queue run, update fudged queue times. */ @@ -709,7 +730,7 @@ for (int i = queue_run_in_order ? -1 : 0; go_around: /* If initial of a 2-phase run, we are a child - so just exit */ if (f.queue_2stage && !queue_run_in_order) - exim_exit(EXIT_SUCCESS, US"2-phase child"); + exim_exit(EXIT_SUCCESS); } /* End loop for list of messages */ tree_nonrecipients = NULL; @@ -1395,13 +1416,13 @@ switch(action) parse_extract_address(argv[recipients_arg], &errmess, &start, &end, &domain, (action == MSG_EDIT_SENDER)); - if (recipient == NULL) + if (!recipient) { yield = FALSE; printf("- error while %s:\n bad address %s: %s\n", doing, argv[recipients_arg], errmess); } - else if (recipient[0] != 0 && domain == 0) + else if (*recipient && domain == 0) { yield = FALSE; printf("- error while %s:\n bad address %s: " @@ -1531,7 +1552,6 @@ memcpy(buf+1, msgid, MESSAGE_ID_LENGTH+1); if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) >= 0) { struct sockaddr_un sa_un = {.sun_family = AF_UNIX}; - int slen; #ifdef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS int len = offsetof(struct sockaddr_un, sun_path) + 1