signal.c File Reference

#include "internal.h"
#include "vm_core.h"
#include <signal.h>
#include <stdio.h>
#include <errno.h>
#include "ruby_atomic.h"
#include "eval_intern.h"

Go to the source code of this file.

Data Structures
struct	signals

Macros
#define	VALGRIND_MAKE_MEM_DEFINED(p, n)   0
#define	VALGRIND_MAKE_MEM_UNDEFINED(p, n)   0
#define	id_signo   ruby_static_id_signo
#define	killpg(pg, sig)   kill(-(pg), (sig))
#define	sighandler_t   ruby_sighandler_t
#define	SIGINFO_ARG
#define	SIGINFO_CTX   0
#define	ruby_signal(sig, handler)   (/* rb_trap_accept_nativethreads[(sig)] = 0,*/ signal((sig),(handler)))
#define	clear_received_signal()   ((void)0)
#define	CHECK_STACK_OVERFLOW()   (void)0
#define	MESSAGE_FAULT_ADDRESS
#define	INSTALL_SIGHANDLER(cond, signame, signum)
#define	install_sighandler(signum, handler)   INSTALL_SIGHANDLER(install_sighandler(signum, handler), #signum, signum)

Typedefs
typedef RETSIGTYPE(*	sighandler_t) (int)
typedef RETSIGTYPE	ruby_sigaction_t(int)

Functions
rb_atomic_t	ruby_atomic_exchange (rb_atomic_t *ptr, rb_atomic_t val)
rb_atomic_t	ruby_atomic_compare_and_swap (rb_atomic_t *ptr, rb_atomic_t cmp, rb_atomic_t newval)
const char *	ruby_signal_name (int no)
void	ruby_default_signal (int sig)
VALUE	rb_f_kill (int argc, const VALUE *argv)
int	rb_signal_buff_size (void)
int	rb_get_next_signal (void)
void	rb_trap_exit (void)
void	rb_signal_exec (rb_thread_t *th, int sig)
void	ruby_sig_finalize (void)
void	Init_signal (void)

Variables
ID	ruby_static_id_signo
int	ruby_enable_coredump = 0

Macro Definition Documentation

CHECK_STACK_OVERFLOW

#define CHECK_STACK_OVERFLOW

(

)

(void)0

Definition at line 882 of file signal.c.

clear_received_signal

#define clear_received_signal

(

)

((void)0)

Definition at line 762 of file signal.c.

id_signo

#define id_signo   ruby_static_id_signo

Definition at line 49 of file signal.c.

INSTALL_SIGHANDLER

#define INSTALL_SIGHANDLER	(		cond,
			signame,
			signum
	)

Value:

do {    \
        static const char failed[] = "failed to install "signame" handler"; \
        if (!(cond)) break; \
        if (reserved_signal_p(signum)) rb_bug(failed); \
        perror(failed); \
    } while (0)

Definition at line 1391 of file signal.c.

install_sighandler

#define install_sighandler	(		signum,
			handler
	)		INSTALL_SIGHANDLER(install_sighandler(signum, handler), #signum, signum)

Definition at line 1411 of file signal.c.

killpg

#define killpg	(		pg,
			sig
	)		kill(-(pg), (sig))

MESSAGE_FAULT_ADDRESS

#define MESSAGE_FAULT_ADDRESS

Definition at line 885 of file signal.c.

ruby_signal

#define ruby_signal	(		sig,
			handler
	)		(/* rb_trap_accept_nativethreads[(sig)] = 0,*/ signal((sig),(handler)))

Definition at line 657 of file signal.c.

Referenced by ruby_sig_finalize().

sighandler_t

#define sighandler_t   ruby_sighandler_t

Definition at line 532 of file signal.c.

Referenced by ruby_sig_finalize().

SIGINFO_ARG

#define SIGINFO_ARG

Definition at line 542 of file signal.c.

SIGINFO_CTX

#define SIGINFO_CTX   0

Definition at line 543 of file signal.c.

VALGRIND_MAKE_MEM_DEFINED

#define VALGRIND_MAKE_MEM_DEFINED	(		p,
			n
	)		0

Definition at line 40 of file signal.c.

VALGRIND_MAKE_MEM_UNDEFINED

#define VALGRIND_MAKE_MEM_UNDEFINED	(		p,
			n
	)		0

Definition at line 41 of file signal.c.

Typedef Documentation

ruby_sigaction_t

typedef RETSIGTYPE ruby_sigaction_t(int)

Definition at line 541 of file signal.c.

sighandler_t

typedef RETSIGTYPE(* sighandler_t) (int)

Definition at line 535 of file signal.c.

Function Documentation

Init_signal()

void Init_signal

(

void

)

Definition at line 1489 of file signal.c.

References rb_define_global_function(), and rb_define_module().

rb_f_kill()

VALUE rb_f_kill	(	int	argc,
		const VALUE *	argv
	)

Definition at line 407 of file signal.c.

References FIX2INT, rb_check_arity, rb_sym2str, RSTRING_PTR, T_FIXNUM, T_STRING, T_SYMBOL, TYPE, and UNLIMITED_ARGUMENTS.

rb_get_next_signal()

int rb_get_next_signal

(

void

)

Definition at line 741 of file signal.c.

rb_signal_buff_size()

int rb_signal_buff_size

(

void

)

Definition at line 711 of file signal.c.

Referenced by rb_thread_check_trap_pending(), and rb_threadptr_check_signal().

rb_signal_exec()

void rb_signal_exec	(	rb_thread_t *	th,
		int	sig
	)

Definition at line 1036 of file signal.c.

References rb_vm_struct::cmd, GET_VM, Qundef, rb_interrupt(), rb_threadptr_signal_exit(), rb_threadptr_signal_raise(), rb_vm_struct::safe, SIGINT, and rb_vm_struct::trap_list.

rb_trap_exit()

void rb_trap_exit

(

void

)

Definition at line 1024 of file signal.c.

References rb_vm_struct::cmd, GET_VM, and rb_vm_struct::trap_list.

ruby_atomic_compare_and_swap()

rb_atomic_t ruby_atomic_compare_and_swap	(	rb_atomic_t *	ptr,
		rb_atomic_t	cmp,
		rb_atomic_t	newval
	)

Definition at line 61 of file signal.c.

ruby_atomic_exchange()

rb_atomic_t ruby_atomic_exchange	(	rb_atomic_t *	ptr,
		rb_atomic_t	val
	)

Definition at line 53 of file signal.c.

References val.

ruby_default_signal()

void ruby_default_signal

(

int

sig

)

Definition at line 360 of file signal.c.

ruby_signal_name()

const char* ruby_signal_name

(

int

no

)

Definition at line 262 of file signal.c.

Variable Documentation

cnt

rb_atomic_t cnt[RUBY_NSIG]

Definition at line 525 of file signal.c.

Referenced by rb_alloc_tmp_buffer(), rb_parser_calloc(), rb_parser_malloc(), rb_parser_realloc(), and rb_print_backtrace().

ruby_enable_coredump

int ruby_enable_coredump = 0

Definition at line 1449 of file signal.c.

Referenced by ruby_env_debug_option().

ruby_static_id_signo

ID ruby_static_id_signo

Definition at line 27 of file eval.c.

size

rb_atomic_t size

Definition at line 526 of file signal.c.