Mercurial > dovecot > core-2.2
view src/anvil/main.c @ 22576:707ae9de3812
lib: istream-multiplex - Minor code cleanup
Avoid propagating the error twice, and avoid any confusion about what "got"
actually contains.
author | Timo Sirainen <timo.sirainen@dovecot.fi> |
---|---|
date | Thu, 05 Oct 2017 20:24:11 +0300 |
parents | 2e2563132d5f |
children | cb108f786fb4 |
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/* Copyright (c) 2009-2017 Dovecot authors, see the included COPYING file */ #include "common.h" #include "array.h" #include "env-util.h" #include "fdpass.h" #include "ioloop.h" #include "restrict-access.h" #include "master-service.h" #include "master-service-settings.h" #include "master-interface.h" #include "connect-limit.h" #include "penalty.h" #include "anvil-connection.h" #include <unistd.h> struct connect_limit *connect_limit; struct penalty *penalty; bool anvil_restarted; static struct io *log_fdpass_io; static void client_connected(struct master_service_connection *conn) { bool master = conn->listen_fd == MASTER_LISTEN_FD_FIRST; master_service_client_connection_accept(conn); (void)anvil_connection_create(conn->fd, master, conn->fifo); } static void ATTR_NULL(1) log_fdpass_input(void *context ATTR_UNUSED) { int fd; char c; ssize_t ret; /* master wants us to replace the log fd */ ret = fd_read(MASTER_ANVIL_LOG_FDPASS_FD, &c, 1, &fd); if (ret < 0) i_error("fd_read(log fd) failed: %m"); else if (ret == 0) { /* master died. lib-master should notice it soon. */ io_remove(&log_fdpass_io); } else { if (dup2(fd, STDERR_FILENO) < 0) i_fatal("dup2(fd_read log fd, stderr) failed: %m"); if (close(fd) < 0) i_error("close(fd_read log fd) failed: %m"); } } int main(int argc, char *argv[]) { const enum master_service_flags service_flags = MASTER_SERVICE_FLAG_UPDATE_PROCTITLE; const char *error; master_service = master_service_init("anvil", service_flags, &argc, &argv, ""); 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, "anvil: "); restrict_access_by_env(NULL, FALSE); restrict_access_allow_coredumps(TRUE); anvil_restarted = getenv("ANVIL_RESTARTED") != NULL; /* delay dying until all of our clients are gone */ master_service_set_die_with_master(master_service, FALSE); connect_limit = connect_limit_init(); penalty = penalty_init(); log_fdpass_io = io_add(MASTER_ANVIL_LOG_FDPASS_FD, IO_READ, log_fdpass_input, (void *)NULL); master_service_init_finish(master_service); master_service_run(master_service, client_connected); if (log_fdpass_io != NULL) io_remove(&log_fdpass_io); penalty_deinit(&penalty); connect_limit_deinit(&connect_limit); anvil_connections_destroy_all(); master_service_deinit(&master_service); return 0; }