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* locale/langinfo.h: nl_langinfo_l is in POSIX 2008.
* locale/xlocale.h: Define locale_t type. * locale/locale.h: duplocale, freelocale, newlocale, uselocale are in POSIX 2008. Don't define locale_t here. * stdlib/monetary.h: strfmon_l is in POSIX 2008. * signal/signal.h: Declare psignal and psiginfo for POSIX 2008. * stdio-common/psiginfo.c: New file. * stdio-common/psiginfo-data.h: New file. * stdio-common/psiginfo-define.h: New file. * stdio-common/Makefile (routines): Add psiginfo. * stdio-common/Versions: Export psiginfo for GLIBC_2.10.
This commit is contained in:
Ulrich Drepper
178
stdio-common/psiginfo.c
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178
stdio-common/psiginfo.c
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/* Copyright (C) 2009 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <libintl.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <not-cancel.h>
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#define MF(l) MF1 (l)
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#define MF1(l) str_##l
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#define C(s1, s2) C1 (s1, s2)
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#define C1(s1, s2) s1##s2
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#define NOW SIGILL
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#include "psiginfo-define.h"
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#define NOW SIGFPE
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#include "psiginfo-define.h"
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#define NOW SIGSEGV
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#include "psiginfo-define.h"
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#define NOW SIGBUS
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#include "psiginfo-define.h"
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#define NOW SIGTRAP
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#include "psiginfo-define.h"
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#define NOW SIGCLD
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#include "psiginfo-define.h"
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#define NOW SIGPOLL
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#include "psiginfo-define.h"
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/* Print out on stderr a line consisting of the test in S, a colon, a space,
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a message describing the meaning of the signal number PINFO and a newline.
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If S is NULL or "", the colon and space are omitted. */
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void
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psiginfo (const siginfo_t *pinfo, const char *s)
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{
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char buf[512];
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FILE *fp = fmemopen (buf, sizeof (buf), "w");
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if (fp == NULL)
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{
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const char *colon;
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if (s == NULL || *s == '\0')
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s = colon = "";
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else
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colon = ": ";
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__fxprintf (NULL, "%s%ssignal %d\n", s, colon, pinfo->si_signo);
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return;
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}
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if (s != NULL && *s != '\0')
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fprintf (fp, "%s: ", s);
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const char *desc;
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if (pinfo->si_signo >= 0 && pinfo->si_signo < NSIG
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&& (desc = INTUSE(_sys_siglist)[pinfo->si_signo]) != NULL)
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{
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fprintf (fp, "%s (", _(desc));
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const char *base = NULL;
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const uint8_t *offarr = NULL;
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size_t offarr_len = 0;
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switch (pinfo->si_signo)
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{
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#define H(sig) \
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case sig: \
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base = C(codestrs_, sig).str; \
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offarr = C (codes_, sig); \
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offarr_len = sizeof (C (codes_, sig)) / sizeof (C (codes_, sig)[0]);\
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break
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H (SIGILL);
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H (SIGFPE);
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H (SIGSEGV);
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H (SIGBUS);
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H (SIGTRAP);
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H (SIGCHLD);
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H (SIGPOLL);
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}
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const char *str = NULL;
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if (offarr != NULL
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&& pinfo->si_code >= 1 && pinfo->si_code <= offarr_len)
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str = base + offarr[pinfo->si_code - 1];
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else
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switch (pinfo->si_code)
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{
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case SI_USER:
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str = N_("Signal sent by kill()");
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break;
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case SI_QUEUE:
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str = N_("Signal sent by sigqueue()");
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break;
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case SI_TIMER:
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str = N_("Signal generated by the expiration of a timer");
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break;
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case SI_ASYNCIO:
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str = N_("\
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Signal generated by the completion of an asynchronous I/O request");
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break;
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case SI_MESGQ:
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str = N_("\
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Signal generated by the arrival of a message on an empty message queue");
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break;
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#ifdef SI_TKILL
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case SI_TKILL:
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str = N_("Signal sent by tkill()");
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break;
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#endif
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#ifdef SI_ASYNCNL
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case SI_ASYNCNL:
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str = N_("\
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Signal generated by the completion of an asynchronous name lookup request");
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break;
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#endif
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#ifdef SI_SIGIO
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case SI_SIGIO:
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str = N_("\
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Signal generated by the completion of an I/O request");
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break;
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#endif
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#ifdef SI_KERNEL
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case SI_KERNEL:
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str = N_("Signal sent by the kernel");
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break;
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#endif
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}
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if (str != NULL)
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fprintf (fp, "%s ", _(str));
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else
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fprintf (fp, "%d ", pinfo->si_code);
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if (pinfo->si_signo == SIGILL || pinfo->si_signo == SIGFPE
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|| pinfo->si_signo == SIGSEGV || pinfo->si_signo == SIGBUS)
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fprintf (fp, "[%p])", pinfo->si_addr);
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else if (pinfo->si_signo == SIGCHLD)
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fprintf (fp, "%ld %d %ld)", (long int) pinfo->si_pid, pinfo->si_status,
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(long int) pinfo->si_uid);
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else if (pinfo->si_signo == SIGPOLL)
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fprintf (fp, "%ld)", pinfo->si_band);
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else
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fprintf (fp, "%ld %ld)",
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(long int) pinfo->si_pid, (long int) pinfo->si_uid);
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}
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else
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fprintf (fp, _("Unknown signal %d\n"), pinfo->si_signo);
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fclose (fp);
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write_not_cancel (STDERR_FILENO, buf, strlen (buf));
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}
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