Date: Thu, 26 Jul 2001 02:19:35 +0100 From: Brian Somers <brian@Awfulhak.org> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: Warner Losh <imp@harmony.village.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, brian@Awfulhak.org Subject: Re: cvs commit: src/lib/libc/sys sigaction.2 Message-ID: <200107260119.f6Q1JZg69790@hak.lan.Awfulhak.org> In-Reply-To: Message from Garrett Wollman <wollman@khavrinen.lcs.mit.edu> of "Wed, 25 Jul 2001 16:54:26 EDT." <200107252054.f6PKsQe28558@khavrinen.lcs.mit.edu>
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> Indeed -- but that's not what the question is about. POSIX defines a
> specific set of functions which are guaranteed to be safe to call in
> signal handlers, and which are also guaranteed to be safely
> interruptible by signal handlers which only call functions in the set.
> (They must also be *either* reentrant *or* non-interruptible.) Those
> functions are the following:
>
> _Exit, _exit, accept, access, aio_error, aio_return, aio_suspend,
> alarm, bind, cfgetispeed, cfgetospeed, cfsetispeed, cfsetospeed,
> chdir, chmod, chown, clock_gettime, close, connect, creat, dup, dup2,
> execle, execve, fchmod, fchown, fcntl, fdatasync, fork, fpathconf,
> fstat, fsync, ftruncate, getegid, geteuid, getgid, getgroups,
> getpeername, getpgrp, getpid, getppid, getsockname, getsockopt,
> getuid, kill, link, listen, lseek, lstat, mkdir, mkfifo, open,
> pathconf, pause, pipe, poll, posix_trace_event, pselect, raise, read,
> readlink, recv, recvfrom, recvmsg, rename, rmdir, select, sem_post,
> send, sendmsg, sendto, setgid, setpgid, setsid, setsockopt, setuid,
> shutdown, sigaction, sigaddset, sigemptyset, sigfillset, sigismember,
> sleep, signal, sigpause, sigpending, sigprocmask, sigqueue, sigset,
> sigsuspend, socket, socketpair, stat, symlink, sysconf, tcdrain,
> fcflow, tcflush, tcgetattr, tcgetpgrp, tcsendbreak, tcsetattr,
> tcsetpgrp, time, timer_getoverrun, timer_gettime, timer_settime,
> times, umask, uname, unlink, utime, wait, waitpid, write
>
> This list is taken from draft 7, XSH page 481.
This list is different from the list in sigaction(2).
> -GAWollman
--
Brian <brian@freebsd-services.com> <brian@Awfulhak.org>
http://www.freebsd-services.com/ <brian@[uk.]FreeBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org>
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