#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/syscall.h>
#include <unistd.h>
#include "pidwrappers.h"

Macros
#define	_GNU_SOURCE

#define	_XOPEN_SOURCE 500

#define	GET_FUNC_ADDR(name) pid_real_func_addr[PIDVIRT_ENUM(name)] = _real_dlsym(RTLD_NEXT, #name);

#define	GET_FUNC_ADDR_V(name, v)

#define	GET_SYSVIPC_CTL_FUNC_ADDR(name) GET_FUNC_ADDR(name)

#define	GET_FOPEN_FUNC_ADDR(name) GET_FUNC_ADDR(name)

#define	REAL_FUNC_PASSTHROUGH_WORK(name)

#define	REAL_FUNC_PASSTHROUGH(name) REAL_FUNC_PASSTHROUGH_TYPED(int, name)

#define	REAL_FUNC_PASSTHROUGH_TYPED(type, name)

#define	REAL_FUNC_PASSTHROUGH_VOID(name)

#define	REAL_FUNC_PASSTHROUGH_NORETURN(name)

Typedefs
typedef int(*	funcptr_t )()

typedef pid_t(*	funcptr_pid_t )()

typedef funcptr_t(*	signal_funcptr_t )()

typedef void (	dlsym_fnptr_t )(void handle, const char symbol)

Functions
LIB_PRIVATE void	pid_initialize_wrappers ()

void *	dmtcp_get_libc_dlsym_addr ()

LIB_PRIVATE void *	_real_dlsym (void handle, const char symbol)

LIB_PRIVATE pid_t	_real_getpid (void)

LIB_PRIVATE pid_t	_real_getppid (void)

LIB_PRIVATE pid_t	_real_tcgetsid (int fd)

LIB_PRIVATE int	_real_tcsetpgrp (int fd, pid_t pgrp)

LIB_PRIVATE pid_t	_real_tcgetpgrp (int fd)

LIB_PRIVATE pid_t	_real_getpgrp (void)

LIB_PRIVATE pid_t	_real_setpgrp (void)

LIB_PRIVATE pid_t	_real_getpgid (pid_t pid)

LIB_PRIVATE int	_real_setpgid (pid_t pid, pid_t pgid)

LIB_PRIVATE pid_t	_real_getsid (pid_t pid)

LIB_PRIVATE pid_t	_real_setsid (void)

LIB_PRIVATE int	_real_kill (pid_t pid, int sig)

LIB_PRIVATE pid_t	_real_wait (__WAIT_STATUS stat_loc)

LIB_PRIVATE pid_t	_real_waitpid (pid_t pid, int *stat_loc, int options)

LIB_PRIVATE int	_real_waitid (idtype_t idtype, id_t id, siginfo_t *infop, int options)

LIB_PRIVATE pid_t	_real_wait3 (__WAIT_STATUS status, int options, struct rusage *rusage)

LIB_PRIVATE pid_t	_real_wait4 (pid_t pid, __WAIT_STATUS status, int options, struct rusage *rusage)

LIB_PRIVATE int	_real_ioctl (int d, unsigned long int request,...)

LIB_PRIVATE int	_real_setgid (gid_t gid)

LIB_PRIVATE int	_real_setuid (uid_t uid)

LIB_PRIVATE long	_real_ptrace (enum __ptrace_request request, pid_t pid, void addr, void data)

LIB_PRIVATE pid_t	_real_gettid (void)

LIB_PRIVATE int	_real_tkill (int tid, int sig)

LIB_PRIVATE int	_real_tgkill (int tgid, int tid, int sig)

LIB_PRIVATE long	_real_syscall (long sys_num,...)

LIB_PRIVATE pid_t	_real_fork ()

LIB_PRIVATE int	_real_clone (int(function)(void ), void child_stack, int flags, void arg, int parent_tidptr, struct user_desc newtls, int *child_tidptr)

LIB_PRIVATE int	_real_shmget (key_t key, size_t size, int shmflg)

LIB_PRIVATE void *	_real_shmat (int shmid, const void *shmaddr, int shmflg)

LIB_PRIVATE int	_real_shmdt (const void *shmaddr)

LIB_PRIVATE int	_real_shmctl (int shmid, int cmd, struct shmid_ds *buf)

LIB_PRIVATE int	_real_semctl (int semid, int semnum, int cmd,...)

LIB_PRIVATE int	_real_msgctl (int msqid, int cmd, struct msqid_ds *buf)

LIB_PRIVATE int	_real_mq_notify (mqd_t mqdes, const struct sigevent *sevp)

LIB_PRIVATE int	_real_clock_getcpuclockid (pid_t pid, clockid_t *clock_id)

LIB_PRIVATE int	_real_timer_create (clockid_t clockid, struct sigevent sevp, timer_t timerid)

LIB_PRIVATE void	_real_pthread_exit (void *retval)

LIB_PRIVATE int	_real_fcntl (int fd, int cmd, void *arg)

int	_real_open (const char *path, int flags,...)

int	_real_open64 (const char *path, int flags,...)

FILE *	_real_fopen (const char path, const char mode)

FILE *	_real_fopen64 (const char path, const char mode)

int	_real_fclose (FILE *fp)

int	_real_xstat (int vers, const char path, struct stat buf)

int	_real_xstat64 (int vers, const char path, struct stat64 buf)

int	_real_lxstat (int vers, const char path, struct stat buf)

int	_real_lxstat64 (int vers, const char path, struct stat64 buf)

ssize_t	_real_readlink (const char path, char buf, size_t bufsiz)

Macro Definition Documentation

#define _GNU_SOURCE

Definition at line 23 of file pid_syscallsreal.c.

#define _XOPEN_SOURCE 500

Definition at line 24 of file pid_syscallsreal.c.

#define GET_FOPEN_FUNC_ADDR ( name) GET_FUNC_ADDR(name)

Definition at line 64 of file pid_syscallsreal.c.

#define GET_FUNC_ADDR ( name) pid_real_func_addr[PIDVIRT_ENUM(name)] = _real_dlsym(RTLD_NEXT, #name);

Definition at line 43 of file pid_syscallsreal.c.

#define GET_FUNC_ADDR_V	(	name,
		v
	)

Value:

pid_real_func_addr[PIDVIRT_ENUM(name)] = dlvsym(RTLD_NEXT, #name, v); \
  if (pid_real_func_addr[PIDVIRT_ENUM(name)] == NULL) { \
    /* Symbol version not found, try the default and hope for the best */ \
    GET_FUNC_ADDR(name); \
  }

Definition at line 46 of file pid_syscallsreal.c.

#define GET_SYSVIPC_CTL_FUNC_ADDR ( name) GET_FUNC_ADDR(name)

Definition at line 63 of file pid_syscallsreal.c.

#define REAL_FUNC_PASSTHROUGH ( name) REAL_FUNC_PASSTHROUGH_TYPED(int, name)

Definition at line 93 of file pid_syscallsreal.c.

#define REAL_FUNC_PASSTHROUGH_NORETURN ( name)

Value:

static void (*fn)() __attribute__ ((__noreturn__)) = NULL; \
  REAL_FUNC_PASSTHROUGH_WORK(name)                           \
  (*fn)

Definition at line 105 of file pid_syscallsreal.c.

#define REAL_FUNC_PASSTHROUGH_TYPED	(	type,
		name
	)

Value:

static type (*fn)() = NULL;                  \
  REAL_FUNC_PASSTHROUGH_WORK(name)             \
  return (*fn)

Definition at line 95 of file pid_syscallsreal.c.

#define REAL_FUNC_PASSTHROUGH_VOID ( name)

Value:

static void (*fn)() = NULL;            \
  REAL_FUNC_PASSTHROUGH_WORK(name)       \
  (*fn)

Definition at line 100 of file pid_syscallsreal.c.

#define REAL_FUNC_PASSTHROUGH_WORK ( name)

Value:

if (fn == NULL) { \
    if (pid_real_func_addr[PIDVIRT_ENUM(name)] == NULL) \
      pid_initialize_wrappers(); \
    fn = pid_real_func_addr[PIDVIRT_ENUM(name)]; \
    if (fn == NULL) { \
      fprintf(stderr, "%s:%d: *** DMTCP: Error: lookup failed for %s.\n" \
                      "           The symbol wasn't found in current library" \
                      " loading sequence.\n" \
                      "    Aborting.\n", __FILE__, __LINE__, #name); \
      abort(); \
    } \
  }

Definition at line 79 of file pid_syscallsreal.c.

Typedef Documentation

typedef void*(* dlsym_fnptr_t)(void *handle, const char *symbol)

Definition at line 38 of file pid_syscallsreal.c.

typedef pid_t( * funcptr_pid_t)()

Definition at line 36 of file pid_syscallsreal.c.

typedef int( * funcptr_t)()

Definition at line 35 of file pid_syscallsreal.c.

typedef funcptr_t( * signal_funcptr_t)()

Definition at line 37 of file pid_syscallsreal.c.

Function Documentation

LIB_PRIVATE int _real_clock_getcpuclockid	(	pid_t	pid,
		clockid_t *	clock_id
	)

Definition at line 336 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_clone	(	int()(void )	function,
		void *	child_stack,
		int	flags,
		void *	arg,
		int *	parent_tidptr,
		struct user_desc *	newtls,
		int *	child_tidptr
	)

Definition at line 288 of file pid_syscallsreal.c.

LIB_PRIVATE void* _real_dlsym	(	void *	handle,
		const char *	symbol
	)

Definition at line 113 of file pid_syscallsreal.c.

int _real_fclose ( FILE * fp)

Definition at line 390 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_fcntl	(	int	fd,
		int	cmd,
		void *	arg
	)

Definition at line 353 of file pid_syscallsreal.c.

FILE* _real_fopen	(	const char *	path,
		const char *	mode
	)

Definition at line 382 of file pid_syscallsreal.c.

FILE* _real_fopen64	(	const char *	path,
		const char *	mode
	)

Definition at line 386 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_fork ( void )

Definition at line 283 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_getpgid ( pid_t pid)

Definition at line 163 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_getpgrp ( void )

Definition at line 153 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_getpid ( void )

Definition at line 124 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_getppid ( void )

Definition at line 131 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_getsid ( pid_t pid)

Definition at line 173 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_gettid ( void )

Definition at line 245 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_ioctl	(	int	d,
		unsigned long int	request,
			...
	)

Definition at line 213 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_kill	(	pid_t	pid,
		int	sig
	)

Definition at line 183 of file pid_syscallsreal.c.

int _real_lxstat	(	int	vers,
		const char *	path,
		struct stat *	buf
	)

Definition at line 402 of file pid_syscallsreal.c.

int _real_lxstat64	(	int	vers,
		const char *	path,
		struct stat64 *	buf
	)

Definition at line 406 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_mq_notify	(	mqd_t	mqdes,
		const struct sigevent *	sevp
	)

Definition at line 331 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_msgctl	(	int	msqid,
		int	cmd,
		struct msqid_ds *	buf
	)

Definition at line 325 of file pid_syscallsreal.c.

int _real_open	(	const char *	path,
		int	flags,
			...
	)

Definition at line 358 of file pid_syscallsreal.c.

int _real_open64	(	const char *	path,
		int	flags,
			...
	)

Definition at line 370 of file pid_syscallsreal.c.

LIB_PRIVATE void _real_pthread_exit ( void * retval)

Definition at line 348 of file pid_syscallsreal.c.

LIB_PRIVATE long _real_ptrace	(	enum __ptrace_request	request,
		pid_t	pid,
		void *	addr,
		void *	data
	)

Definition at line 238 of file pid_syscallsreal.c.

ssize_t _real_readlink	(	const char *	path,
		char *	buf,
		size_t	bufsiz
	)

Definition at line 410 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_semctl	(	int	semid,
		int	semnum,
		int	cmd,
			...
	)

Definition at line 315 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_setgid ( gid_t gid)

Definition at line 228 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_setpgid	(	pid_t	pid,
		pid_t	pgid
	)

Definition at line 168 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_setpgrp ( void )

Definition at line 158 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_setsid ( void )

Definition at line 178 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_setuid ( uid_t uid)

Definition at line 233 of file pid_syscallsreal.c.

LIB_PRIVATE void* _real_shmat	(	int	shmid,
		const void *	shmaddr,
		int	shmflg
	)

Definition at line 300 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_shmctl	(	int	shmid,
		int	cmd,
		struct shmid_ds *	buf
	)

Definition at line 310 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_shmdt ( const void * shmaddr)

Definition at line 305 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_shmget	(	key_t	key,
		size_t	size,
		int	shmflg
	)

Definition at line 295 of file pid_syscallsreal.c.

LIB_PRIVATE long _real_syscall	(	long	sys_num,
			...
	)

Definition at line 266 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_tcgetpgrp ( int fd)

Definition at line 148 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_tcgetsid ( int fd)

Definition at line 138 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_tcsetpgrp	(	int	fd,
		pid_t	pgrp
	)

Definition at line 143 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_tgkill	(	int	tgid,
		int	tid,
		int	sig
	)

Definition at line 259 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_timer_create	(	clockid_t	clockid,
		struct sigevent *	sevp,
		timer_t *	timerid
	)

Definition at line 341 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_tkill	(	int	tid,
		int	sig
	)

Definition at line 252 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_wait ( __WAIT_STATUS stat_loc)

Definition at line 188 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_wait3	(	__WAIT_STATUS	status,
		int	options,
		struct rusage *	rusage
	)

Definition at line 203 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_wait4	(	pid_t	pid,
		__WAIT_STATUS	status,
		int	options,
		struct rusage *	rusage
	)

Definition at line 208 of file pid_syscallsreal.c.

LIB_PRIVATE int _real_waitid	(	idtype_t	idtype,
		id_t	id,
		siginfo_t *	infop,
		int	options
	)

Definition at line 198 of file pid_syscallsreal.c.

LIB_PRIVATE pid_t _real_waitpid	(	pid_t	pid,
		int *	stat_loc,
		int	options
	)

Definition at line 193 of file pid_syscallsreal.c.

int _real_xstat	(	int	vers,
		const char *	path,
		struct stat *	buf
	)

Definition at line 394 of file pid_syscallsreal.c.

int _real_xstat64	(	int	vers,
		const char *	path,
		struct stat64 *	buf
	)

Definition at line 398 of file pid_syscallsreal.c.

void* dmtcp_get_libc_dlsym_addr ( )

Definition at line 408 of file dmtcpplugin.cpp.

LIB_PRIVATE void pid_initialize_wrappers ( )

Definition at line 68 of file pid_syscallsreal.c.

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation