©2004 by Marc J. Rochkind. All rights reserved. Portions marked "Open Source" may be copied under license.

 

                 

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c2/x2.c File Reference

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Detailed Description

Miscellaneous examples for Chap. 2 [Chap. 2].

Definition in file x2.c.

Go to the source code of this file.

Defines
#define	SYNCREPS   5000
#define	PATHNAME   "tmp"
#define	VERSION   506
#define	STR_MAX   100
#define	BUFSIZE   512
#define	BUFSIZE   1024
#define	BUFSIZE   1100
#define	LOCKDIR   "/tmp/"
#define	MAXTRIES   10
#define	NAPLENGTH   2
Functions
void	synctest (void)
void	scatter (void)
void	print_C_info (void)
bool	cleanup_previous_run (void)
bool	temp_open (void)
void	copy (char *from, char *to)
bool	copy2 (char *from, char *to)
bool	copy2a (char *from, char *to)
bool	copy3 (char *from, char *to)
bool	copy4 (char *from, char *to)
char *	lockpath (char *name)
bool	lock (char *name)
bool	unlock (char *name)
void	testlock (void)
void	junk (void)
void	backward0 (char *path)
void	backward (char *path)
void	backward2 (char *path)
void	ftruncate_test (void)
void	pwrite_test (void)
void	backward_test (void)
int	main (void)

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Define Documentation

#define BUFSIZE   1100

Definition at line 280 of file x2.c.

#define BUFSIZE   1024

Definition at line 280 of file x2.c.

#define BUFSIZE   512

Definition at line 280 of file x2.c. Referenced by copy(), copy2(), and copy2a().

#define LOCKDIR   "/tmp/"

Definition at line 368 of file x2.c. Referenced by lockpath().

#define MAXTRIES   10

Definition at line 369 of file x2.c. Referenced by lock().

#define NAPLENGTH   2

Definition at line 370 of file x2.c. Referenced by lock().

#define PATHNAME   "tmp"

Definition at line 27 of file x2.c.

#define STR_MAX   100

#define SYNCREPS   5000

Definition at line 26 of file x2.c. Referenced by synctest().

#define VERSION   506

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Function Documentation

void backward (  char *  path  )

Definition at line 621 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, EC_FLUSH, ec_neg1, errno, lseek(), open(), and read(). Referenced by backward_test().

void backward0 (  char *  path  )

Definition at line 580 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, EC_FLUSH, ec_neg1, errno, lseek(), open(), and read(). Referenced by backward_test().

void backward2 (  char *  path  )

Definition at line 664 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, EC_FLUSH, ec_neg1, errno, lseek(), open(), and pread(). Referenced by backward_test().

void backward_test (  void   )

Definition at line 752 of file x2.c. References backward(), backward0(), backward2(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_eof, EC_FLUSH, ec_null, and unlink(). Referenced by main().

bool cleanup_previous_run (  void   )  [static]

Definition at line 178 of file x2.c. References unlink(). Referenced by temp_open().

void copy (  char *  from, char *  to )

Definition at line 219 of file x2.c. References BUFSIZE, close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, open(), read(), and write(). Referenced by main().

bool copy2 (  char *  from, char *  to )

Definition at line 248 of file x2.c. References BUFSIZE, close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, open(), read(), and write(). Referenced by main().

bool copy2a (  char *  from, char *  to )

Definition at line 282 of file x2.c. References BUFSIZE, close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, open(), read(), and write(). Referenced by main().

bool copy3 (  char *  from, char *  to )

Definition at line 319 of file x2.c. References Bclose(), Bgetc(), Bopen(), Bputc(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_false, ec_null, and errno. Referenced by main().

bool copy4 (  char *  from, char *  to )

Definition at line 344 of file x2.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_eof, ec_false, and ec_null. Referenced by main().

void ftruncate_test (  void   )

Definition at line 705 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_false, EC_FLUSH, ec_neg1, errno, ftruncate(), open(), PERM_FILE, system(), and write(). Referenced by main().

void junk (  void   )

Definition at line 448 of file x2.c. References close(), creat(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_false, ec_neg1, ec_null, errno, lock(), lseek(), mkstemp(), open(), PERM_FILE, read(), syserr(), system(), unlink(), unlock(), and write(). Referenced by main().

bool lock (  char *  name  )

Definition at line 381 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, ec_null, errno, lockpath(), MAXTRIES, NAPLENGTH, open(), and sleep(). Referenced by ec_mutex(), junk(), main(), and testlock().

char* lockpath (  char *  name  )  [static]

Definition at line 372 of file x2.c. References LOCKDIR. Referenced by lock(), and unlock().

int main (  void   )

Definition at line 769 of file x2.c. References backward_test(), copy(), copy2(), copy2a(), copy3(), copy4(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_false, ec_neg1, ftruncate_test(), getblksize(), junk(), lock(), print_C_info(), pwrite_test(), scatter(), stat::st_blksize, stat(), sysconf(), syserr(), system(), temp_open(), testlock(), timestart(), timestop(), unlink(), and unlock().

void print_C_info (  void   )

Definition at line 154 of file x2.c. Referenced by main().

void pwrite_test (  void   )

Definition at line 727 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FLUSH, ec_neg1, lseek(), open(), PERM_FILE, pwrite(), system(), and write(). Referenced by main().

void scatter (  void   )

Definition at line 74 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, EC_FLUSH, ec_neg1, ec_null, errno, iovec::iov_base, iovec::iov_len, lseek(), open(), PERM_FILE, read(), and writev(). Referenced by main().

void synctest (  void   )

Definition at line 29 of file x2.c. References close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, EC_FLUSH, ec_neg1, open(), OPT_ERROR, OPT_NO, OPT_YES, option_sync_io(), PATHNAME, PERM_FILE, SYNCREPS, timestart(), timestop(), and write().

bool temp_open (  void   )  [static]

Definition at line 192 of file x2.c. References cleanup_previous_run(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, errno, open(), and PERM_FILE. Referenced by main().

void testlock (  void   )

Definition at line 420 of file x2.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_false, EC_FLUSH, ec_reinit(), errno, getpid(), lock(), sleep(), and unlock(). Referenced by main().

bool unlock (  char *  name  )

Definition at line 406 of file x2.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, ec_null, lockpath(), and unlink(). Referenced by junk(), main(), and testlock().

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