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#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <pthread.h>
int open_thread (void *);
int fstat_thread (void *);
int read_thread (void *);
int write_truncate_thread (void *);
int chown_thread (void *);
void open_lock_close (void *);
int thread1_ret;
int thread2_ret;
int thread3_ret;
int thread4_ret;
int thread5_ret;
int thread6_ret;
int thread7_ret;
struct open_attributes {
char *filename;
int flags;
mode_t mode;
};
typedef struct open_attributes open_t;
struct fstat_attributes {
int fd;
struct stat *buf;
};
typedef struct fstat_attributes fstat_t;
struct open_fstat {
open_t *open;
fstat_t *fstat;
};
typedef struct open_fstat oft;
#define open_validate_error_goto(filename, flag, mode) do { \
fd = open (filename, flag, mode); \
if (fd == -1) { \
fprintf (stderr, "%s: open error (%s)n", __FUNCTION__, \
strerror (errno)); \
ret = -1; \
goto out; \
} \
} while (0);
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