signal_handler.c File Reference

#include "global.h"
#include "fdlib.h"
#include "fd_control.h"
#include "svalue.h"
#include "interpret.h"
#include "stralloc.h"
#include "constants.h"
#include "pike_macros.h"
#include "backend.h"
#include "pike_error.h"
#include "callback.h"
#include "mapping.h"
#include "threads.h"
#include "signal_handler.h"
#include "module_support.h"
#include "operators.h"
#include "builtin_functions.h"
#include "pike_security.h"
#include "main.h"
#include <signal.h>

Classes
struct	sigdesc
struct	pid_status
struct	perishables
Defines
#define	fp   Pike_fp
#define	MAX_SIGNALS   256
#define	NSIG   256
#define	SIGNAL_BUFFER   16384
#define	WAIT_BUFFER   4096
#define	WAITSTATUSTYPE   int
#define	WEXITSTATUS(x)   (((x)>>8)&0xff)
#define	WUNTRACED   0
#define	PIKE_BADF_LIMIT   1024
#define	PROC_FPRINTF(X)
#define	USE_PID_MAPPING
#define	DECLARE_FIFO(pre, TYPE)
#define	BEGIN_FIFO_PUSH(pre, TYPE)
#define	FIFO_DATA(pre, TYPE)   ( PIKE_CONCAT(pre,buf)[PIKE_CONCAT(pre,_tmp_)] )
#define	END_FIFO_PUSH(pre, TYPE)   PIKE_CONCAT(pre,_first)=PIKE_CONCAT(pre,_tmp_); } while(0)
#define	QUICK_CHECK_FIFO(pre, TYPE)   ( PIKE_CONCAT(pre,_first) != PIKE_CONCAT(pre,_last) )
#define	BEGIN_FIFO_LOOP(pre, TYPE)
#define	END_FIFO_LOOP(pre, TYPE)   } }while(0)
#define	INIT_FIFO(pre, TYPE)
#define	SAFE_FIFO_DEBUG_BEGIN()   do {
#define	SAFE_FIFO_DEBUG_END()   }while(0)
#define	process_started(PID)
#define	process_done(PID, FROM)
#define	dump_process_history(PID)
#define	WAITPID(PID, STATUS, OPT)   -1
#define	MY_WAIT_ANY(STATUS, OPT)   ((errno=ENOTSUP), -1)
#define	PROCESS_UNKNOWN   -1
#define	PROCESS_RUNNING   0
#define	PROCESS_STOPPED   1
#define	PROCESS_EXITED   2
#define	PROCESS_FLAG_TRACED   0x01
#define	THIS   ((struct pid_status *)CURRENT_STORAGE)
#define	PROCE_CHDIR   1
#define	PROCE_DUP2   2
#define	PROCE_SETGID   3
#define	PROCE_SETGROUPS   4
#define	PROCE_GETPWUID   5
#define	PROCE_INITGROUPS   6
#define	PROCE_SETUID   7
#define	PROCE_EXEC   8
#define	PROCE_CLOEXEC   9
#define	PROCE_DUP   10
#define	PROCE_SETSID   11
#define	PROCE_SETCTTY   12
#define	PROCE_CHROOT   13
#define	PROCE_CLRCLOEXEC   14
#define	PROCERROR(err, id)
Functions
int	fd_from_object (struct object *o)
	DECLARE_FIFO (sig, unsigned char)
void	my_signal (int sig, sigfunctype fun)
PMOD_EXPORT void	check_signals (struct callback *foo, void *bar, void *gazonk)
void	set_default_signal_handler (int signum, void(*func)(INT32))
int	pike_make_pipe (int *)
void	f_set_priority (INT32 args)
void	f_create_process (INT32 args)
void	f_atexit (INT32 args)
PMOD_EXPORT void	low_init_signals (void)
void	init_signals (void)
void	exit_signals (void)

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Define Documentation

#define BEGIN_FIFO_LOOP (  pre, TYPE   )

Value: do { \ int PIKE_CONCAT(pre,_tmp2_)=PIKE_CONCAT(pre,_first); \ while(PIKE_CONCAT(pre,_last) != PIKE_CONCAT(pre,_tmp2_)) \ { \ int PIKE_CONCAT(pre,_tmp_); \ if( ++ PIKE_CONCAT(pre,_last) == SIGNAL_BUFFER) \ PIKE_CONCAT(pre,_last)=0; \ PIKE_CONCAT(pre,_tmp_)=PIKE_CONCAT(pre,_last)

#define BEGIN_FIFO_PUSH (  pre, TYPE   )

Value: do { \ int PIKE_CONCAT(pre,_tmp_)=PIKE_CONCAT(pre,_first) + 1; \ if(PIKE_CONCAT(pre,_tmp_) >= SIGNAL_BUFFER) PIKE_CONCAT(pre,_tmp_)=0

#define DECLARE_FIFO (  pre, TYPE   )

Value: static volatile TYPE PIKE_CONCAT(pre,buf) [SIGNAL_BUFFER]; \ static volatile int PIKE_CONCAT(pre,_first)=0,PIKE_CONCAT(pre,_last)=0

#define dump_process_history (  PID   )

#define END_FIFO_LOOP (  pre, TYPE   )     } }while(0)

#define END_FIFO_PUSH (  pre, TYPE   )     PIKE_CONCAT(pre,_first)=PIKE_CONCAT(pre,_tmp_); } while(0)

#define FIFO_DATA (  pre, TYPE   )     ( PIKE_CONCAT(pre,buf)[PIKE_CONCAT(pre,_tmp_)] )

#define fp   Pike_fp

#define INIT_FIFO (  pre, TYPE   )

#define MAX_SIGNALS   256

#define MY_WAIT_ANY (  STATUS, OPT   )     ((errno=ENOTSUP), -1)

#define NSIG   256

#define PIKE_BADF_LIMIT   1024

#define PROC_FPRINTF (  X   )

#define PROCE_CHDIR   1

#define PROCE_CHROOT   13

#define PROCE_CLOEXEC   9

#define PROCE_CLRCLOEXEC   14

#define PROCE_DUP   10

#define PROCE_DUP2   2

#define PROCE_EXEC   8

#define PROCE_GETPWUID   5

#define PROCE_INITGROUPS   6

#define PROCE_SETCTTY   12

#define PROCE_SETGID   3

#define PROCE_SETGROUPS   4

#define PROCE_SETSID   11

#define PROCE_SETUID   7

#define PROCERROR (  err, id   )

Value: do { int _l, _i; \ buf[0] = err; buf[1] = errno; buf[2] = id; \ for(_i = 0; _i < 3; _i += _l) { \ while (((_l = write(control_pipe[1], buf + _i, 3 - _i)) < 0) && \ (errno == EINTR)) \ ; \ if (_l < 0) exit (99 - errno); \ } \ while((_l = close(control_pipe[1])) < 0 && errno==EINTR); \ if (_l < 0) exit (99 + errno); \ exit(99); \ } while(0)

#define process_done (  PID, FROM   )

#define PROCESS_EXITED   2

#define PROCESS_FLAG_TRACED   0x01

#define PROCESS_RUNNING   0

#define process_started (  PID   )

#define PROCESS_STOPPED   1

#define PROCESS_UNKNOWN   -1

#define QUICK_CHECK_FIFO (  pre, TYPE   )     ( PIKE_CONCAT(pre,_first) != PIKE_CONCAT(pre,_last) )

#define SAFE_FIFO_DEBUG_BEGIN (   )     do {

#define SAFE_FIFO_DEBUG_END (   )     }while(0)

#define SIGNAL_BUFFER   16384

#define THIS   ((struct pid_status *)CURRENT_STORAGE)

#define USE_PID_MAPPING

#define WAIT_BUFFER   4096

#define WAITPID (  PID, STATUS, OPT   )     -1

#define WAITSTATUSTYPE   int

#define WEXITSTATUS (  x   )     (((x)>>8)&0xff)

#define WUNTRACED   0

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Function Documentation

PMOD_EXPORT void check_signals (  struct callback *  foo, void *  bar, void *  gazonk )

DECLARE_FIFO (  sig  , unsigned  char )

void exit_signals (  void   )

void f_atexit (  INT32  args  )

void f_create_process (  INT32  args  )

void f_set_priority (  INT32  args  )

int fd_from_object (  struct object *  o  )

void init_signals (  void   )

PMOD_EXPORT void low_init_signals (  void   )

void my_signal (  int  sig, sigfunctype  fun )

int pike_make_pipe (  int *   )

void set_default_signal_handler (  int  signum, void(*)(INT32)  func )

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