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posix-next API 0.1.0
Out-of-tree Zephyr POSIX module
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posix-next API 0.1.0
Out-of-tree Zephyr POSIX module
|
<signal.h>: POSIX signal types and functions More...
Go to the source code of this file.
Data Structures | |
| struct | timespec |
| Time value with nanosecond resolution. More... | |
| struct | sigset_t |
| Type representing a set of signals (bitmask). More... | |
| struct | pthread_attr_t |
| union | sigval |
| Value passed to a signal handler or retrieved via siginfo_t. More... | |
| struct | sigevent |
| Structure describing how to notify about an asynchronous event. More... | |
| struct | siginfo_t |
| Information associated with a received signal. More... | |
| struct | sigaction |
| Signal action structure used with sigaction(). More... | |
| struct | mcontext_t |
| Machine-specific context saved when a signal is delivered. More... | |
| struct | stack_t |
| Alternate signal stack descriptor. More... | |
| struct | ucontext_t |
| User-space context saved and restored by getcontext()/setcontext(). More... | |
Macros | |
| #define | SIG_HOLD ((void *)-2) |
| Signal disposition: hold the signal (XSI extension, used with sigset()). | |
| #define | _PTHREAD_T_DECLARED |
| #define | __pthread_t_defined |
| #define | _UID_T_DECLARED |
| #define | __uid_t_defined |
| #define | _TIMESPEC_DECLARED |
| #define | __timespec_defined |
| #define | SIGRTMIN 32 |
| #define | SIGRTMAX (SIGRTMIN + CONFIG_POSIX_RTSIG_MAX) |
| #define | _SIGSET_T_DECLARED |
| #define | __sigset_t_defined |
| #define | _PID_T_DECLARED |
| #define | __pid_t_defined |
| #define | _PTHREAD_ATTR_T_DECLARED |
| #define | __pthread_attr_t_defined |
| #define | _SIGVAL_DECLARED |
| #define | __sigval_defined |
| #define | _SIGEVENT_DECLARED |
| #define | __sigevent_defined |
| #define | SIGEV_NONE 1 |
| No notification on event completion. | |
| #define | SIGEV_SIGNAL 2 |
| Send a signal on event completion. | |
| #define | SIGEV_THREAD 3 |
| Call a function in a new thread on event completion. | |
| #define | _SIGINFO_T_DECLARED |
| #define | __siginfo_t_defined |
| #define | _SIGACTION_DECLARED |
| #define | __sigaction_defined |
| #define | SIG_BLOCK 1 |
Block the signals in set. | |
| #define | SIG_UNBLOCK 2 |
Unblock the signals in set. | |
| #define | SIG_SETMASK 0 |
Set the signal mask to set. | |
| #define | SA_NOCLDSTOP 0x00000001 |
| Do not generate SIGCHLD when child processes stop (XSI). | |
| #define | SA_ONSTACK 0x00000002 |
| Invoke the handler on an alternate signal stack. | |
| #define | SA_RESETHAND 0x00000004 |
| Reset the signal disposition to SIG_DFL after delivery. | |
| #define | SA_RESTART 0x00000008 |
| Restart interrupted system calls instead of returning EINTR. | |
| #define | SA_SIGINFO 0x00000010 |
| Invoke the sa_sigaction handler instead of sa_handler. | |
| #define | SA_NOCLDWAIT 0x00000020 |
| Do not create zombie processes for terminated child processes (XSI). | |
| #define | SA_NODEFER 0x00000040 |
| Do not add the signal to the process signal mask during handler execution. | |
| #define | SS_ONSTACK 0x00000001 |
| Alternate signal stack is active (ss_flags value). | |
| #define | SS_DISABLE 0x00000002 |
| Alternate signal stack is disabled (ss_flags value). | |
| #define | MINSIGSTKSZ 4096 |
| Minimum stack size for a signal handler. | |
| #define | SIGSTKSZ 4096 |
| Default stack size for a signal handler. | |
| #define | _MCONTEXT_T_DECLARED |
| #define | __mcontext_defined |
| #define | _STACK_T_DECLARED |
| #define | __stack_t_defined |
| #define | _UCONTEXT_T_DECLARED |
| #define | __ucontext_defined |
| #define | _SIGHANDLER_T_DECLARED |
| #define | __sighandler_t_defined |
| #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) |
| Function pointer type for a simple signal handler. | |
Functions | |
| BUILD_ASSERT (CONFIG_POSIX_RTSIG_MAX >=0) | |
| int | kill (pid_t pid, int sig) |
| Send a signal to a process or process group. | |
| int | killpg (pid_t pgrp, int sig) |
| Send a signal to a process group (XSI extension). | |
| void | psiginfo (const siginfo_t *info, const char *message) |
| Print a signal description with additional siginfo_t context. | |
| void | psignal (int sig, const char *message) |
| Print a signal description to stderr. | |
| int | pthread_kill (pthread_t thread, int sig) |
| Send a signal to a specific thread. | |
| int | pthread_sigmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset) |
| Examine and change blocked signals for the calling thread. | |
| TOOLCHAIN_DISABLE_WARNING (TOOLCHAIN_WARNING_SHADOW) | |
| int | sigaction (int sig, const struct sigaction *ZRESTRICT act, struct sigaction *ZRESTRICT oact) |
| Examine and change a signal action. | |
| TOOLCHAIN_ENABLE_WARNING (TOOLCHAIN_WARNING_SHADOW) | |
| int | sigaddset (sigset_t *set, int sig) |
| Add a signal to a signal set. | |
| int | sigaltstack (const stack_t *ZRESTRICT ss, stack_t *ZRESTRICT oss) |
| Set or get the alternate signal stack (XSI extension). | |
| int | sigdelset (sigset_t *set, int sig) |
| Delete a signal from a signal set. | |
| int | sigemptyset (sigset_t *set) |
| Initialise a signal set to the empty set. | |
| int | sigfillset (sigset_t *set) |
| Initialise a signal set to the full set (all signals). | |
| int | sighold (int sig) |
| Add a signal to the calling process's signal mask (XSI, obsolescent). | |
| int | sigignore (int sig) |
| Set a signal's disposition to SIG_IGN (XSI, obsolescent). | |
| int | siginterrupt (int sig, int flag) |
| Control whether a signal restarts or interrupts system calls (XSI, obsolescent). | |
| int | sigismember (const sigset_t *set, int sig) |
| Test whether a signal is a member of a signal set. | |
| int | sigpause (int sig) |
| Suspend execution until a signal is delivered (XSI, obsolescent). | |
| int | sigpending (sigset_t *set) |
| Retrieve the set of pending signals. | |
| int | sigprocmask (int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset) |
| Examine and change the calling process's signal mask. | |
| int | sigqueue (pid_t pid, int sig, union sigval value) |
| Queue a signal and data to a process. | |
| int | sigrelse (int sig) |
| Remove a signal from the process signal mask (XSI, obsolescent). | |
| sighandler_t | sigset (int sig, sighandler_t disp) |
| Set the disposition of a signal, optionally blocking it first (XSI, obsolescent). | |
| int | sigsuspend (const sigset_t *set) |
| Wait for a signal, atomically replacing the process signal mask. | |
| int | sigtimedwait (const sigset_t *ZRESTRICT set, siginfo_t *ZRESTRICT info, const struct timespec *ZRESTRICT timeout) |
| Wait for a queued signal with a timeout. | |
| int | sigwait (const sigset_t *ZRESTRICT set, int *ZRESTRICT sig) |
| Wait for a signal from a set. | |
| int | sigwaitinfo (const sigset_t *ZRESTRICT set, siginfo_t *ZRESTRICT info) |
| Wait for a queued signal (no timeout). | |
<signal.h>: POSIX signal types and functions
Provides signal numbers, signal sets, signal actions, real-time signal extensions, and the full set of POSIX signal-management functions.
Definition in file signal.h.
| #define CLD_DUMPED 27 |
| #define CLD_KILLED 26 |
| #define MINSIGSTKSZ 4096 |
| #define SA_NOCLDSTOP 0x00000001 |
| #define SA_NOCLDWAIT 0x00000020 |
| #define SA_NODEFER 0x00000040 |
| #define SA_ONSTACK 0x00000002 |
| #define SA_RESETHAND 0x00000004 |
| #define SA_RESTART 0x00000008 |
| #define SA_SIGINFO 0x00000010 |
| #define SEGV_ACCERR 19 |
| #define SI_ASYNCIO 40 |
| #define SI_MESGQ 41 |
| #define SI_QUEUE 38 |
Signal sent by sigqueue()
| #define SI_TIMER 39 |
Signal generated by expiration of a timer set by timer_settime()
| #define SIG_HOLD ((void *)-2) |
| #define SIGEV_THREAD 3 |
| #define SIGSTKSZ 4096 |
| #define SS_DISABLE 0x00000002 |
| #define SS_ONSTACK 0x00000001 |
| typedef void(* sighandler_t) (int sig) |
1.9.8