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/* Plzip - A parallel version of the lzip data compressor
Copyright (C) 2009 Laszlo Ersek.
Copyright (C) 2009, 2010 Antonio Diaz Diaz.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
void show_error( const char * msg, const int errcode = 0, const bool help = false ) throw();
int readblock( const int fd, char * buf, const int size ) throw();
int writeblock( const int fd, const char * buf, const int size ) throw();
struct Cond
{
pthread_mutex_t lock; /* Lock this to protect shared resource. */
pthread_cond_t cond; /* Trigger this if predicate becomes true. */
long unsigned ccount, /* Increment this when checking predicate. */
wcount; /* Increment this when waiting is necessary. */
};
/* Terminate the process. */
void fatal();
/* Format operation and append resolved error, then call fatal(). */
void
fail(const char *fmt, int err, ...)
#ifdef __GNUC__
__attribute__((format(printf, 1, 3)))
#endif
;
/* If these primitives fail, they call fail(), which in turn calls fatal(). */
void
xinit(Cond *cond);
void
xdestroy(Cond *cond);
void
xlock(Cond *cond);
void
xlock_pred(Cond *cond);
void
xunlock(Cond *cond);
void
xwait(Cond *cond);
void
xsignal(Cond *cond);
void
xbroadcast(Cond *cond);
void
xcreate(pthread_t *thread, void *(*routine)(void *), void *arg);
void
xjoin(pthread_t thread);
void
xraise(int sig);
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