libaitio/src/exec.c - diff

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Diff for /libaitio/src/exec.c between versions 1.1.2.17 and 1.1.2.18

version 1.1.2.17, 2013/12/12 09:04:22	version 1.1.2.18, 2013/12/12 21:17:53
Line 173 io_progCloseAt(prog_t * __restrict prg, u_int idx)	Line 173 io_progCloseAt(prog_t * __restrict prg, u_int idx)
}	}

/*	/*
	* io_progOpen2() - Start program from pool on first unused slot
	*
	* @prg = program pool
	* return: -1 error, >-1 reside at slot
	*/
	int
	io_progOpen2(prog_t * __restrict prg)
	{
	#ifdef POPEN_STREAM
	FILE *f = NULL;
	#else
	int f = -1;
	#endif
	int stat, ret = -1;
	register int i;
	pid_t pid;

	if (!prg)
	return -1;
	if (prg->prog_cnum + 1 > prg->prog_maxn) {
	io_SetErr(EINVAL, "Requested number for program execution is over pool's limit");
	return -1;
	}

	pthread_mutex_lock(&prg->prog_mtx);
	for (i = 0; i < array_Size(prg->prog_fds); i++)
	if (!array_Get(prg->prog_fds, i)) {
	f = e_popen(prg->prog_name, "r+", &pid);
	#ifdef POPEN_STREAM
	if (!f) {
	#else
	if (f == -1) {
	#endif
	LOGERR;
	break;
	} else if (waitpid(pid, &stat, WNOHANG)) {
	io_SetErr(ECHILD, "Program with pid=%d exit with status %d",
	pid, WIFEXITED(stat) ? WEXITSTATUS(stat) : -1);
	e_pclose(f);
	break;
	} else
	array_Set(prg->prog_fds, i, f);
	clrbit(prg->prog_used, i);
	prg->prog_cnum++;
	ret = i;
	break;
	}
	pthread_mutex_unlock(&prg->prog_mtx);

	return ret;
	}

	/*
* io_progOpen() - Execute number of program(s)	* io_progOpen() - Execute number of program(s)
*	*
* @prg = program pool	* @prg = program pool
* @execNum = execute program(s) (0 max)	* @execNum = execute program(s) (0 max)
* return: 0 error, >0 executed programs and abs(<0) executed programs with logged error	* return: -1 error, >0 executed programs
*/	*/
int	int
io_progOpen(prog_t * __restrict prg, u_int execNum)	io_progOpen(prog_t * __restrict prg, u_int execNum)
Line 192 io_progOpen(prog_t * __restrict prg, u_int execNum)	Line 245 io_progOpen(prog_t * __restrict prg, u_int execNum)
pid_t pid;	pid_t pid;

if (!prg)	if (!prg)
return 0;	return -1;
if (prg->prog_cnum + execNum > prg->prog_maxn) {	if (prg->prog_cnum + execNum > prg->prog_maxn) {
io_SetErr(EINVAL, "Requested number for program execution is over pool's limit");	io_SetErr(EINVAL, "Requested number for program execution is over pool's limit");
return 0;	return -1;
}	}

pthread_mutex_lock(&prg->prog_mtx);	pthread_mutex_lock(&prg->prog_mtx);
Line 213 io_progOpen(prog_t * __restrict prg, u_int execNum)	Line 266 io_progOpen(prog_t * __restrict prg, u_int execNum)
} else if (waitpid(pid, &stat, WNOHANG)) {	} else if (waitpid(pid, &stat, WNOHANG)) {
io_SetErr(ECHILD, "Program with pid=%d exit with status %d",	io_SetErr(ECHILD, "Program with pid=%d exit with status %d",
pid, WIFEXITED(stat) ? WEXITSTATUS(stat) : -1);	pid, WIFEXITED(stat) ? WEXITSTATUS(stat) : -1);
	e_pclose(f);
ret = -1;	ret = -1;
break;	break;
} else	} else
Line 308 io_progVacuum(prog_t * __restrict prg, u_int toNum)	Line 362 io_progVacuum(prog_t * __restrict prg, u_int toNum)
* io_progCheck() - Check exit status of program pool	* io_progCheck() - Check exit status of program pool
*	*
* @prg = program pool	* @prg = program pool
* @re = resurrect program	* @re = resurrect program to init number
* return: -1 error or >-1 exited programs	* return: -1 error or >-1 exited programs
*/	*/
int	int
Line 342 io_progCheck(prog_t * __restrict prg, int re)	Line 396 io_progCheck(prog_t * __restrict prg, int re)
}	}
pthread_mutex_unlock(&prg->prog_mtx);	pthread_mutex_unlock(&prg->prog_mtx);

/* resurrect */	/* resurrect to init number */
if (re && ret > 0 && prg->prog_inin - prg->prog_cnum)	if (re && prg->prog_inin - prg->prog_cnum)
io_progOpen(prg, prg->prog_inin - prg->prog_cnum);	io_progOpen(prg, prg->prog_inin - prg->prog_cnum);

return ret;	return ret;
Line 389 io_progAttach(prog_t * __restrict prg, int newOne)	Line 443 io_progAttach(prog_t * __restrict prg, int newOne)
break;	break;
}	}
pthread_mutex_unlock(&prg->prog_mtx);	pthread_mutex_unlock(&prg->prog_mtx);

	/* not found free prog */
	if (!f && (i = io_progOpen2(prg)) > 0) {
	#ifdef POPEN_STREAM
	f = array(prg->prog_fds, i, FILE*);
	#else
	f = array(prg->prog_fds, i, intptr_t);
	#endif
	}

/* execute new one program */	/* execute new one program */
if (newOne && f)	if (newOne && f)

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Removed from v.1.1.2.17
changed lines
	Added in v.1.1.2.18