From 26fb537f9cf011eaeaf975adcad5e8e9154d04fd Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Tue, 19 Feb 2013 08:22:18 -0800 Subject: Imported Upstream version 1.3.2 --- src/ath-pthread.c | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 src/ath-pthread.c (limited to 'src/ath-pthread.c') diff --git a/src/ath-pthread.c b/src/ath-pthread.c new file mode 100644 index 0000000..9684afb --- /dev/null +++ b/src/ath-pthread.c @@ -0,0 +1,186 @@ +/* ath-pthread.c - pthread module for self-adapting thread-safeness library + Copyright (C) 2002, 2003, 2004 g10 Code GmbH + + This file is part of GPGME. + + GPGME is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of + the License, or (at your option) any later version. + + GPGME is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#ifdef HAVE_UNISTD_H +# include +#endif +#ifdef HAVE_SYS_SELECT_H +# include +#else +# ifdef HAVE_SYS_TIME_H +# include +# endif +#endif +#include +#include + +#include + +#include "ath.h" + + +/* The lock we take while checking for lazy lock initialization. */ +static pthread_mutex_t check_init_lock = PTHREAD_MUTEX_INITIALIZER; + +/* Initialize the mutex *PRIV. If JUST_CHECK is true, only do this if + it is not already initialized. */ +static int +mutex_pthread_init (ath_mutex_t *priv, int just_check) +{ + int err = 0; + + if (just_check) + pthread_mutex_lock (&check_init_lock); + if (!*priv || !just_check) + { + pthread_mutex_t *lock = malloc (sizeof (pthread_mutex_t)); + if (!lock) + err = ENOMEM; + if (!err) + { + err = pthread_mutex_init (lock, NULL); + if (err) + free (lock); + else + *priv = (ath_mutex_t) lock; + } + } + if (just_check) + pthread_mutex_unlock (&check_init_lock); + return err; +} + + +void +ath_init (void) +{ + /* Nothing to do. */ +} + + +uintptr_t +ath_self (void) +{ + return (uintptr_t) pthread_self (); +} + + +int +ath_mutex_init (ath_mutex_t *lock) +{ + return mutex_pthread_init (lock, 0); +} + + +int +ath_mutex_destroy (ath_mutex_t *lock) +{ + int err = mutex_pthread_init (lock, 1); + if (!err) + { + err = pthread_mutex_destroy ((pthread_mutex_t *) *lock); + free (*lock); + } + return err; +} + + +int +ath_mutex_lock (ath_mutex_t *lock) +{ + int ret = mutex_pthread_init (lock, 1); + if (ret) + return ret; + + return pthread_mutex_lock ((pthread_mutex_t *) *lock); +} + + +int +ath_mutex_unlock (ath_mutex_t *lock) +{ + int ret = mutex_pthread_init (lock, 1); + if (ret) + return ret; + + return pthread_mutex_unlock ((pthread_mutex_t *) *lock); +} + + +ssize_t +ath_read (int fd, void *buf, size_t nbytes) +{ + return read (fd, buf, nbytes); +} + + +ssize_t +ath_write (int fd, const void *buf, size_t nbytes) +{ + return write (fd, buf, nbytes); +} + + +ssize_t +ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset, + struct timeval *timeout) +{ + return select (nfd, rset, wset, eset, timeout); +} + + +ssize_t +ath_waitpid (pid_t pid, int *status, int options) +{ + return waitpid (pid, status, options); +} + + +int +ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr) +{ + return accept (s, addr, length_ptr); +} + + +int +ath_connect (int s, const struct sockaddr *addr, socklen_t length) +{ + return connect (s, addr, length); +} + +int +ath_sendmsg (int s, const struct msghdr *msg, int flags) +{ + return sendmsg (s, msg, flags); +} + + +int +ath_recvmsg (int s, struct msghdr *msg, int flags) +{ + return recvmsg (s, msg, flags); +} -- cgit v1.2.3