posix_signal.h File Reference

#include <zephyr/toolchain.h>
#include <zephyr/sys/util.h>
#include <stddef.h>
#include <time.h>

Go to the source code of this file.

Data Structures
struct	timespec
struct	sigset_t
struct	pthread_attr_t
union	sigval
struct	sigevent
struct	siginfo_t
struct	sigaction
struct	mcontext_t
struct	ucontext_t
struct	stack_t

Macros
#define	SIG_HOLD   ((void *)-2)
#define	SIGRTMIN   32
#define	SIGRTMAX   (SIGRTMIN + CONFIG_POSIX_RTSIG_MAX)
#define	SIGEV_NONE   1
#define	SIGEV_SIGNAL   2
#define	SIGEV_THREAD   3
#define	SIG_BLOCK   1
#define	SIG_UNBLOCK   2
#define	SIG_SETMASK   0
#define	SA_NOCLDSTOP   0x00000001
#define	SA_ONSTACK   0x00000002
#define	SA_RESETHAND   0x00000004
#define	SA_RESTART   0x00000008
#define	SA_SIGINFO   0x00000010
#define	SA_NOCLDWAIT   0x00000020
#define	SA_NODEFER   0x00000040
#define	SS_ONSTACK   0x00000001
#define	SS_DISABLE   0x00000002
#define	MINSIGSTKSZ   4096
#define	SIGSTKSZ   4096
#define	SIGHUP   1
	Hangup.
#define	SIGINT   2
	Interrupt.
#define	SIGQUIT   3
	Quit.
#define	SIGILL   4
	Illegal instruction.
#define	SIGTRAP   5
	Trace/breakpoint trap.
#define	SIGABRT   6
	Aborted.
#define	SIGBUS   7
	Bus error.
#define	SIGFPE   8
	Arithmetic exception.
#define	SIGKILL   9
	Killed.
#define	SIGUSR1   10
	User-defined signal 1.
#define	SIGSEGV   11
	Invalid memory reference.
#define	SIGUSR2   12
	User-defined signal 2.
#define	SIGPIPE   13
	Broken pipe.
#define	SIGALRM   14
	Alarm clock.
#define	SIGTERM   15
	Terminated.
#define	SIGCHLD   17
	Child status changed.
#define	SIGCONT   18
	Continued.
#define	SIGSTOP   19
	Stop executing.
#define	SIGTSTP   20
	Stopped.
#define	SIGTTIN   21
	Stopped (read)
#define	SIGTTOU   22
	Stopped (write)
#define	SIGURG   23
	Urgent I/O condition.
#define	SIGXCPU   24
	CPU time limit exceeded.
#define	SIGXFSZ   25
	File size limit exceeded.
#define	SIGVTALRM   26
	Virtual timer expired.
#define	SIGPROF   27
	Profiling timer expired.
#define	SIGPOLL   29
	Pollable event occurred.
#define	SIGSYS   31
	Bad system call.
#define	ILL_ILLOPC   1
	Illegal opcode.
#define	ILL_ILLOPN   2
	Illegal operand.
#define	ILL_ILLADR   3
	Illegal addressing mode.
#define	ILL_ILLTRP   4
	Illegal trap.
#define	ILL_PRVOPC   5
	Privileged opcode.
#define	ILL_PRVREG   6
	Privileged register.
#define	ILL_COPROC   7
	Coprocessor error.
#define	ILL_BADSTK   8
	Internal stack error.
#define	FPE_INTDIV   9
	Integer divide by zero.
#define	FPE_INTOVF   10
	Integer overflow.
#define	FPE_FLTDIV   11
	Floating-point divide by zero.
#define	FPE_FLTOVF   12
	Floating-point overflow.
#define	FPE_FLTUND   13
	Floating-point underflow.
#define	FPE_FLTRES   15
	Floating-point inexact result.
#define	FPE_FLTINV   16
	Invalid floating-point operation.
#define	FPE_FLTSUB   17
	Subscript out of range.
#define	SEGV_MAPERR   18
	Address not mapped to object.
#define	SEGV_ACCERR   19
	Invalid permissions for mapped object.
#define	BUS_ADRALN   20
	Invalid address alignment.
#define	BUS_ADRERR   21
	Nonexistent physical address.
#define	BUS_OBJERR   22
	Object-specific hardware error.
#define	TRAP_BRKPT   23
	Process breakpoint.
#define	TRAP_TRACE   24
	Process trace trap.
#define	CLD_EXITED   25
	Child has exited.
#define	CLD_KILLED   26
	Child has terminated abnormally and did not create a core file.
#define	CLD_DUMPED   27
	Child has terminated abnormally and created a core file.
#define	CLD_TRAPPED   28
	Traced child has trapped.
#define	CLD_STOPPED   29
	Child has stopped.
#define	CLD_CONTINUED   30
	Stopped child has continued.
#define	POLL_IN   31
	Data input available.
#define	POLL_OUT   32
	Output buffers available.
#define	POLL_MSG   33
	Input message available.
#define	POLL_ERR   34
	I/O error.
#define	POLL_PRI   35
	High priority input available.
#define	POLL_HUP   36
	Device disconnected.
#define	SI_USER   37
	Signal sent by kill()
#define	SI_QUEUE   38
	Signal sent by sigqueue()
#define	SI_TIMER   39
	Signal generated by expiration of a timer set by timer_settime()
#define	SI_ASYNCIO   40
	Signal generated by completion of an asynchronous I/O request.
#define	SI_MESGQ   41
	Signal generated by arrival of a message on an empty message queue.

Typedefs
typedef unsigned int	pthread_t
typedef int	uid_t
typedef long	pid_t
typedef void(*	sighandler_t) (int sig)

Functions
int	kill (pid_t pid, int sig)
int	killpg (pid_t pgrp, int sig)
void	psiginfo (const siginfo_t *info, const char *message)
void	psignal (int sig, const char *message)
int	pthread_kill (pthread_t thread, int sig)
int	pthread_sigmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset)
	TOOLCHAIN_DISABLE_WARNING (TOOLCHAIN_WARNING_SHADOW)
int	sigaction (int sig, const struct sigaction *ZRESTRICT act, struct sigaction *ZRESTRICT oact)
	TOOLCHAIN_ENABLE_WARNING (TOOLCHAIN_WARNING_SHADOW)
int	sigaddset (sigset_t *set, int sig)
int	sigaltstack (const stack_t *ZRESTRICT ss, stack_t *ZRESTRICT oss)
int	sigdelset (sigset_t *set, int sig)
int	sigemptyset (sigset_t *set)
int	sigfillset (sigset_t *set)
int	sighold (int sig)
int	sigignore (int sig)
int	siginterrupt (int sig, int flag)
int	sigismember (const sigset_t *set, int sig)
int	sigpause (int sig)
int	sigpending (sigset_t *set)
int	sigprocmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset)
int	sigqueue (pid_t pid, int sig, union sigval value)
int	sigrelse (int sig)
sighandler_t	sigset (int sig, sighandler_t disp)
int	sigsuspend (const sigset_t *set)
int	sigtimedwait (const sigset_t *ZRESTRICT set, siginfo_t *ZRESTRICT info, const struct timespec *ZRESTRICT timeout)
int	sigwait (const sigset_t *ZRESTRICT set, int *ZRESTRICT sig)
int	sigwaitinfo (const sigset_t *ZRESTRICT set, siginfo_t *ZRESTRICT info)

Macro Definition Documentation

BUS_ADRALN

#define BUS_ADRALN   20

Invalid address alignment.

BUS_ADRERR

#define BUS_ADRERR   21

Nonexistent physical address.

BUS_OBJERR

#define BUS_OBJERR   22

Object-specific hardware error.

CLD_CONTINUED

#define CLD_CONTINUED   30

Stopped child has continued.

CLD_DUMPED

#define CLD_DUMPED   27

Child has terminated abnormally and created a core file.

CLD_EXITED

#define CLD_EXITED   25

Child has exited.

CLD_KILLED

#define CLD_KILLED   26

Child has terminated abnormally and did not create a core file.

CLD_STOPPED

#define CLD_STOPPED   29

Child has stopped.

CLD_TRAPPED

#define CLD_TRAPPED   28

Traced child has trapped.

FPE_FLTDIV

#define FPE_FLTDIV   11

Floating-point divide by zero.

FPE_FLTINV

#define FPE_FLTINV   16

Invalid floating-point operation.

FPE_FLTOVF

#define FPE_FLTOVF   12

Floating-point overflow.

FPE_FLTRES

#define FPE_FLTRES   15

Floating-point inexact result.

FPE_FLTSUB

#define FPE_FLTSUB   17

Subscript out of range.

FPE_FLTUND

#define FPE_FLTUND   13

Floating-point underflow.

FPE_INTDIV

#define FPE_INTDIV   9

Integer divide by zero.

FPE_INTOVF

#define FPE_INTOVF   10

Integer overflow.

ILL_BADSTK

#define ILL_BADSTK   8

Internal stack error.

ILL_COPROC

#define ILL_COPROC   7

Coprocessor error.

ILL_ILLADR

#define ILL_ILLADR   3

Illegal addressing mode.

ILL_ILLOPC

#define ILL_ILLOPC   1

Illegal opcode.

ILL_ILLOPN

#define ILL_ILLOPN   2

Illegal operand.

ILL_ILLTRP

#define ILL_ILLTRP   4

Illegal trap.

ILL_PRVOPC

#define ILL_PRVOPC   5

Privileged opcode.

ILL_PRVREG

#define ILL_PRVREG   6

Privileged register.

MINSIGSTKSZ

#define MINSIGSTKSZ   4096

POLL_ERR

#define POLL_ERR   34

I/O error.

POLL_HUP

#define POLL_HUP   36

Device disconnected.

POLL_IN

#define POLL_IN   31

Data input available.

POLL_MSG

#define POLL_MSG   33

Input message available.

POLL_OUT

#define POLL_OUT   32

Output buffers available.

POLL_PRI

#define POLL_PRI   35

High priority input available.

SA_NOCLDSTOP

#define SA_NOCLDSTOP   0x00000001

SA_NOCLDWAIT

#define SA_NOCLDWAIT   0x00000020

SA_NODEFER

#define SA_NODEFER   0x00000040

SA_ONSTACK

#define SA_ONSTACK   0x00000002

SA_RESETHAND

#define SA_RESETHAND   0x00000004

SA_RESTART

#define SA_RESTART   0x00000008

SA_SIGINFO

#define SA_SIGINFO   0x00000010

SEGV_ACCERR

#define SEGV_ACCERR   19

Invalid permissions for mapped object.

SEGV_MAPERR

#define SEGV_MAPERR   18

Address not mapped to object.

SI_ASYNCIO

#define SI_ASYNCIO   40

Signal generated by completion of an asynchronous I/O request.

SI_MESGQ

#define SI_MESGQ   41

Signal generated by arrival of a message on an empty message queue.

SI_QUEUE

#define SI_QUEUE   38

Signal sent by sigqueue()

SI_TIMER

#define SI_TIMER   39

Signal generated by expiration of a timer set by timer_settime()

SI_USER

#define SI_USER   37

Signal sent by kill()

SIG_BLOCK

#define SIG_BLOCK   1

SIG_HOLD

#define SIG_HOLD   ((void *)-2)

SIG_SETMASK

#define SIG_SETMASK   0

SIG_UNBLOCK

#define SIG_UNBLOCK   2

SIGABRT

#define SIGABRT   6

Aborted.

SIGALRM

#define SIGALRM   14

Alarm clock.

SIGBUS

#define SIGBUS   7

Bus error.

SIGCHLD

#define SIGCHLD   17

Child status changed.

SIGCONT

#define SIGCONT   18

Continued.

SIGEV_NONE

#define SIGEV_NONE   1

SIGEV_SIGNAL

#define SIGEV_SIGNAL   2

SIGEV_THREAD

#define SIGEV_THREAD   3

SIGFPE

#define SIGFPE   8

Arithmetic exception.

SIGHUP

#define SIGHUP   1

Hangup.

SIGILL

#define SIGILL   4

Illegal instruction.

SIGINT

#define SIGINT   2

Interrupt.

SIGKILL

#define SIGKILL   9

Killed.

SIGPIPE

#define SIGPIPE   13

Broken pipe.

SIGPOLL

#define SIGPOLL   29

Pollable event occurred.

SIGPROF

#define SIGPROF   27

Profiling timer expired.

SIGQUIT

#define SIGQUIT   3

Quit.

SIGRTMAX

#define SIGRTMAX   (SIGRTMIN + CONFIG_POSIX_RTSIG_MAX)

SIGRTMIN

#define SIGRTMIN   32

SIGSEGV

#define SIGSEGV   11

Invalid memory reference.

SIGSTKSZ

#define SIGSTKSZ   4096

SIGSTOP

#define SIGSTOP   19

Stop executing.

SIGSYS

#define SIGSYS   31

Bad system call.

SIGTERM

#define SIGTERM   15

Terminated.

SIGTRAP

#define SIGTRAP   5

Trace/breakpoint trap.

SIGTSTP

#define SIGTSTP   20

Stopped.

SIGTTIN

#define SIGTTIN   21

Stopped (read)

SIGTTOU

#define SIGTTOU   22

Stopped (write)

SIGURG

#define SIGURG   23

Urgent I/O condition.

SIGUSR1

#define SIGUSR1   10

User-defined signal 1.

SIGUSR2

#define SIGUSR2   12

User-defined signal 2.

SIGVTALRM

#define SIGVTALRM   26

Virtual timer expired.

SIGXCPU

#define SIGXCPU   24

CPU time limit exceeded.

SIGXFSZ

#define SIGXFSZ   25

File size limit exceeded.

SS_DISABLE

#define SS_DISABLE   0x00000002

SS_ONSTACK

#define SS_ONSTACK   0x00000001

TRAP_BRKPT

#define TRAP_BRKPT   23

Process breakpoint.

TRAP_TRACE

#define TRAP_TRACE   24

Process trace trap.

Typedef Documentation

pid_t

typedef long pid_t

pthread_t

typedef unsigned int pthread_t

sighandler_t

typedef void(* sighandler_t) (int sig)

uid_t

typedef int uid_t

Function Documentation

kill()

int kill	(	pid_t	pid,
		int	sig )

killpg()

int killpg	(	pid_t	pgrp,
		int	sig )

psiginfo()

void psiginfo	(	const siginfo_t *	info,
		const char *	message )

psignal()

void psignal	(	int	sig,
		const char *	message )

pthread_kill()

int pthread_kill	(	pthread_t	thread,
		int	sig )

pthread_sigmask()

int pthread_sigmask	(	int	how,
		const sigset_t *ZRESTRICT	set,
		sigset_t *ZRESTRICT	oset )

sigaction()

int sigaction	(	int	sig,
		const struct sigaction *ZRESTRICT	act,
		struct sigaction *ZRESTRICT	oact )

sigaddset()

int sigaddset	(	sigset_t *	set,
		int	sig )

sigaltstack()

int sigaltstack	(	const stack_t *ZRESTRICT	ss,
		stack_t *ZRESTRICT	oss )

sigdelset()

int sigdelset	(	sigset_t *	set,
		int	sig )

sigemptyset()

int sigemptyset

(

sigset_t *

set

)

sigfillset()

int sigfillset

(

sigset_t *

set

)

sighold()

int sighold

(

int

sig

)

sigignore()

int sigignore

(

int

sig

)

siginterrupt()

int siginterrupt	(	int	sig,
		int	flag )

sigismember()

int sigismember	(	const sigset_t *	set,
		int	sig )

sigpause()

int sigpause

(

int

sig

)

sigpending()

int sigpending

(

sigset_t *

set

)

sigprocmask()

int sigprocmask	(	int	how,
		const sigset_t *ZRESTRICT	set,
		sigset_t *ZRESTRICT	oset )

sigqueue()

int sigqueue	(	pid_t	pid,
		int	sig,
		union sigval	value )

sigrelse()

int sigrelse

(

int

sig

)

sigset()

sighandler_t sigset	(	int	sig,
		sighandler_t	disp )

sigsuspend()

int sigsuspend

(

const sigset_t *

set

)

sigtimedwait()

int sigtimedwait	(	const sigset_t *ZRESTRICT	set,
		siginfo_t *ZRESTRICT	info,
		const struct timespec *ZRESTRICT	timeout )

sigwait()

int sigwait	(	const sigset_t *ZRESTRICT	set,
		int *ZRESTRICT	sig )

sigwaitinfo()

int sigwaitinfo	(	const sigset_t *ZRESTRICT	set,
		siginfo_t *ZRESTRICT	info )

TOOLCHAIN_DISABLE_WARNING()

TOOLCHAIN_DISABLE_WARNING

(

TOOLCHAIN_WARNING_SHADOW

)

TOOLCHAIN_ENABLE_WARNING()

TOOLCHAIN_ENABLE_WARNING

(

TOOLCHAIN_WARNING_SHADOW

)