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#ifndef CONV_H
/*
* Some system dependent comvenience functions.
* Implemented in unixio.c and ntio.c
*/
/*
* Argyll Color Correction System
*
* Author: Graeme W. Gill
* Date: 2008/2/9
*
* Copyright 1996 - 2013 Graeme W. Gill
* All rights reserved.
*
* This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
* see the License2.txt file for licencing details.
*
* Derived from icoms.h
*/
#if defined (NT)
# if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0501
# if defined _WIN32_WINNT
# undef _WIN32_WINNT
# endif
# define _WIN32_WINNT 0x0501
# endif
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <io.h>
#endif
#if defined(UNIX)
# include <unistd.h>
# include <glob.h>
# include <pthread.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* - - - - - - - - - - - - - - - - - - -- */
/* System dependent convenience functions */
/* wait for and then return the next character from the keyboard */
/* (If not_interactive, return getchar()) */
int next_con_char(void);
/* If there is one, return the next character from the keyboard, else return 0 */
/* (If not_interactive, always returns 0) */
int poll_con_char(void);
/* Empty the console of any pending characters */
/* (If not_interactive, does nothing) */
void empty_con_chars(void);
/* Activate the system beeper after a delay */
/* (Note frequency and duration may not be honoured on all systems) */
void msec_beep(int delay, int freq, int msec);
void normal_beep(); /* Emit a "normal" beep */
void good_beep(); /* Emit a "good" beep */
void bad_beep(); /* Emit a "bad" double beep */
/* - - - - - - - - - - - - - - - - - - -- */
#ifdef NEVER /* Not currently needed, or effective */
/* Set the current threads priority */
/* return nz if this fails */
int set_interactive_priority();
int set_normal_priority();
#endif /* NEVER */
/* - - - - - - - - - - - - - - - - - - -- */
/* An Argyll mutex and condition */
/* amutex_trylock() returns nz if it can't lock the mutex */
/* acond_timedwait() returns nz if it times out */
#ifdef NT
# define amutex CRITICAL_SECTION
# define amutex_static(lock) CRITICAL_SECTION lock = {(void*)-1,-1 }
# define amutex_init(lock) InitializeCriticalSection(&(lock))
# define amutex_del(lock) DeleteCriticalSection(&(lock))
# define amutex_lock(lock) EnterCriticalSection(&(lock))
# define amutex_trylock(lock) (!TryEnterCriticalSection(&(lock)))
# define amutex_unlock(lock) LeaveCriticalSection(&(lock))
# define acond HANDLE
# define acond_static(cond) pthread_cond_t (cond) = PTHREAD_COND_INITIALIZER
# define acond_init(cond) (cond = CreateEvent(NULL, 0, 0, NULL))
# define acond_del(cond) CloseHandle(cond)
# define acond_wait(cond, lock) (LeaveCriticalSection(&(lock)), \
WaitForSingleObject(cond, INFINITE), \
EnterCriticalSection(&(lock)))
# define acond_signal(cond) SetEvent(cond)
# define acond_timedwait(cond, lock, msec) \
acond_timedwait_imp(cond, &(lock), msec)
int acond_timedwait_imp(HANDLE cond, CRITICAL_SECTION *lock, int msec);
#endif
#ifdef UNIX
# define amutex pthread_mutex_t
# define amutex_static(lock) pthread_mutex_t (lock) = PTHREAD_MUTEX_INITIALIZER
# define amutex_init(lock) pthread_mutex_init(&(lock), NULL)
# define amutex_del(lock) pthread_mutex_destroy(&(lock))
# define amutex_lock(lock) pthread_mutex_lock(&(lock))
# define amutex_trylock(lock) pthread_mutex_trylock(&(lock))
# define amutex_unlock(lock) pthread_mutex_unlock(&(lock))
# define acond pthread_cond_t
# define acond_static(cond) pthread_cond_t (cond) = PTHREAD_COND_INITIALIZER
# define acond_init(cond) pthread_cond_init(&(cond), NULL)
# define acond_del(cond) pthread_cond_destroy(&(cond))
# define acond_wait(cond, lock) pthread_cond_wait(&(cond), &(lock))
# define acond_signal(cond) pthread_cond_signal(&(cond))
# define acond_timedwait(cond, lock, msec) \
acond_timedwait_imp(&(cond), &(lock), msec)
int acond_timedwait_imp(pthread_cond_t *cond, pthread_mutex_t *lock, int msec);
#endif
/* - - - - - - - - - - - - - - - - - - -- */
/* An Argyll thread. */
struct _athread {
#if defined (NT)
HANDLE th; /* Thread */
#endif
#if defined(UNIX)
pthread_t thid; /* Thread ID */
#endif
int finished; /* Set when the thread returned */
int result; /* Return code from thread function */
/* Thread function to call */
int (*function)(void *context);
/* And the context to call it with */
void *context;
/* Wait for the thread to exit. Return the result */
int (*wait)(struct _athread *p);
/* Kill the thread and delete the object */
/* (Killing it may have side effects, so this is a last */
/* resort if the thread hasn't exited) */
void (*del)(struct _athread *p);
}; typedef struct _athread athread;
/* Create and start a thread. Return NULL on error. */
/* Thread function should only return on completion or error. */
/* It should return 0 on completion or exit, nz on error. */
athread *new_athread(int (*function)(void *context), void *context);
/* - - - - - - - - - - - - - - - - - - -- */
/* Return the login $HOME directory. */
/* (Useful if we might be running sudo) */
char *login_HOME();
/* Delete a file */
void delete_file(char *fname);
/* Given the path to a file, ensure that all the parent directories */
/* are created. return nz on error */
int create_parent_directories(char *path);
/* - - - - - - - - - - - - - - - - - - -- */
struct _kkill_nproc_ctx {
athread *th;
char **pname;
a1log *log;
int stop;
int done;
void (*del)(struct _kkill_nproc_ctx *p);
}; typedef struct _kkill_nproc_ctx kkill_nproc_ctx;
#if defined(UNIX_APPLE) || defined(NT)
/* Kill a list of named processes. NULL for last */
/* return < 0 if this fails. */
/* return 0 if there is no such process */
/* return 1 if a process was killed */
int kill_nprocess(char **pname, a1log *log);
/* Start a thread to constantly kill a process. */
/* Call ctx->del() when done */
kkill_nproc_ctx *kkill_nprocess(char **pname, a1log *log);
#endif /* UNIX_APPLE || NT */
#include "xdg_bds.h"
#ifdef __cplusplus
}
#endif
#define CONV_H
#endif /* CONV_H */
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