Mercurial > dovecot > core-2.2
view src/log/main.c @ 22778:c20e74f90a73
log: Fix log reopening on SIGUSR1
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
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date | Tue, 07 Nov 2017 01:33:57 +0200 |
parents | cb108f786fb4 |
children |
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/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "lib-signals.h" #include "restrict-access.h" #include "master-interface.h" #include "master-service-private.h" #include "master-service-settings.h" #include "log-error-buffer.h" #include "log-connection.h" #include "doveadm-connection.h" #include <unistd.h> bool verbose_proctitle; static struct log_error_buffer *errorbuf; static void sig_reopen_logs(const siginfo_t *si ATTR_UNUSED, void *context ATTR_UNUSED) { master_service->log_initialized = FALSE; master_service_init_log(master_service, "log: "); } static void main_init(void) { lib_signals_set_handler(SIGUSR1, LIBSIG_FLAGS_SAFE, sig_reopen_logs, NULL); errorbuf = log_error_buffer_init(); log_connections_init(); } static void main_deinit(void) { log_connections_deinit(); log_error_buffer_deinit(&errorbuf); } static void client_connected(struct master_service_connection *conn) { if (conn->fifo) { log_connection_create(errorbuf, conn->fd, conn->listen_fd); /* kludge: normally FIFOs aren't counted as connections, but here we want log process to stay open until all writers have closed */ conn->fifo = FALSE; } else if (strcmp(conn->name, "log-errors") == 0) doveadm_connection_create(errorbuf, conn->fd); else { i_error("Unknown listener name: %s", conn->name); return; } master_service_client_connection_accept(conn); } int main(int argc, char *argv[]) { const char *error; master_service = master_service_init("log", 0, &argc, &argv, ""); /* use log prefix and log to stderr until we've configured the real logging */ i_set_failure_file("/dev/stderr", "log: "); if (master_getopt(master_service) > 0) return FATAL_DEFAULT; if (master_service_settings_read_simple(master_service, NULL, &error) < 0) i_fatal("Error reading configuration: %s", error); master_service_init_log(master_service, "log: "); verbose_proctitle = master_service_settings_get(master_service)->verbose_proctitle; restrict_access_by_env(NULL, FALSE); restrict_access_allow_coredumps(TRUE); /* logging should never die if there are some clients */ master_service_set_die_with_master(master_service, FALSE); main_init(); master_service_init_finish(master_service); master_service_run(master_service, client_connected); main_deinit(); master_service_deinit(&master_service); return 0; }