X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Fio.c;h=fb39ecdd99f0b07cb96c6afd61ef05a40468eaa3;hb=03628dbeaf40a9de34b3eb6d5bf6dd34eed8248c;hp=e811e81b0b2a2bfa66eac927a2c8af4c60bdc4fb;hpb=54e67ea9ee6c2b00c43f759edc55b57b969c9e2d;p=ngircd.git diff --git a/src/ngircd/io.c b/src/ngircd/io.c index e811e81b..fb39ecdd 100644 --- a/src/ngircd/io.c +++ b/src/ngircd/io.c @@ -5,14 +5,16 @@ * (at your option) any later version. * Please read the file COPYING, README and AUTHORS for more information. * - * I/O abstraction interface. * Copyright (c) 2005 Florian Westphal (westphal@foo.fh-furtwangen.de) * */ #include "portab.h" -static char UNUSED id[] = "$Id: io.c,v 1.31 2008/04/03 20:56:44 fw Exp $"; +/** + * @file + * I/O abstraction interface. + */ #include #include @@ -105,6 +107,7 @@ static bool io_event_change_devpoll(int fd, short what); #ifdef IO_USE_SELECT #include "defines.h" /* for conn.h */ #include "proc.h" /* for PROC_STAT (needed by conf.h) */ +#include "conn.h" /* for CONN_ID (needed by conf.h) */ #include "conf.h" /* for Conf_MaxConnections */ static fd_set readers; @@ -114,7 +117,7 @@ static fd_set writers; * the largest fd registered, plus one. */ static int select_maxfd; -static int io_dispatch_select(struct timeval *tv); +static int io_dispatch_select PARAMS((struct timeval *tv)); #ifndef IO_USE_EPOLL #define io_masterfd -1 @@ -126,12 +129,15 @@ static array io_events; static void io_docallback PARAMS((int fd, short what)); #ifdef DEBUG_IO -static void io_debug(const char *s, int fd, int what) +static void +io_debug(const char *s, int fd, int what) { Log(LOG_DEBUG, "%s: %d, %d\n", s, fd, what); } #else -static inline void io_debug(const char UNUSED *s,int UNUSED a, int UNUSED b) {/*NOTHING*/} +static inline void +io_debug(const char UNUSED *s,int UNUSED a, int UNUSED b) +{ /* NOTHING */ } #endif static io_event * @@ -226,8 +232,12 @@ io_library_init_devpoll(unsigned int eventsize) eventsize, io_masterfd); } #else -static inline void io_close_devpoll(int UNUSED x) {/* NOTHING */} -static inline void io_library_init_devpoll(unsigned int UNUSED ev) {/*NOTHING*/} +static inline void +io_close_devpoll(int UNUSED x) +{ /* NOTHING */ } +static inline void +io_library_init_devpoll(unsigned int UNUSED ev) +{ /* NOTHING */ } #endif @@ -330,8 +340,12 @@ io_library_init_poll(unsigned int eventsize) } } #else -static inline void io_close_poll(int UNUSED x) {/* NOTHING */} -static inline void io_library_init_poll(unsigned int UNUSED ev) {/*NOTHING*/} +static inline void +io_close_poll(int UNUSED x) +{ /* NOTHING */ } +static inline void +io_library_init_poll(unsigned int UNUSED ev) +{ /* NOTHING */ } #endif @@ -339,11 +353,15 @@ static inline void io_library_init_poll(unsigned int UNUSED ev) {/*NOTHING*/} static int io_dispatch_select(struct timeval *tv) { - fd_set readers_tmp = readers; - fd_set writers_tmp = writers; + fd_set readers_tmp; + fd_set writers_tmp; short what; int ret, i; int fds_ready; + + readers_tmp = readers; + writers_tmp = writers; + ret = select(select_maxfd + 1, &readers_tmp, &writers_tmp, NULL, tv); if (ret <= 0) return ret; @@ -417,8 +435,12 @@ io_close_select(int fd) } } #else -static inline void io_library_init_select(int UNUSED x) {/* NOTHING */} -static inline void io_close_select(int UNUSED x) {/* NOTHING */} +static inline void +io_library_init_select(int UNUSED x) +{ /* NOTHING */ } +static inline void +io_close_select(int UNUSED x) +{ /* NOTHING */ } #endif /* SELECT */ @@ -493,7 +515,9 @@ io_library_init_epoll(unsigned int eventsize) #endif } #else -static inline void io_library_init_epoll(unsigned int UNUSED ev) {/* NOTHING */} +static inline void +io_library_init_epoll(unsigned int UNUSED ev) +{ /* NOTHING */ } #endif /* IO_USE_EPOLL */ @@ -619,7 +643,9 @@ io_library_init_kqueue(unsigned int eventsize) library_initialized = true; } #else -static inline void io_library_init_kqueue(unsigned int UNUSED ev) {/* NOTHING */} +static inline void +io_library_init_kqueue(unsigned int UNUSED ev) +{ /* NOTHING */ } #endif @@ -784,6 +810,18 @@ io_setnonblock(int fd) return fcntl(fd, F_SETFL, flags) == 0; } +bool +io_setcloexec(int fd) +{ + int flags = fcntl(fd, F_GETFD); + if (flags == -1) + return false; +#ifdef FD_CLOEXEC + flags |= FD_CLOEXEC; +#endif + + return fcntl(fd, F_SETFD, flags) == 0; +} bool io_close(int fd)