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authorUlrich Drepper <drepper@redhat.com>2009-02-26 06:18:24 +0000
committerUlrich Drepper <drepper@redhat.com>2009-02-26 06:18:24 +0000
commit1f04d005421644726a8c6b9ac78ba22ed938f5f0 (patch)
tree0785508bd93125f3bdeb6758fae555ce88cf6b6f /stdio-common/psiginfo.c
parent77db439eaf8d88da3dfae342631384b143ce33e6 (diff)
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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.
Diffstat (limited to 'stdio-common/psiginfo.c')
-rw-r--r--stdio-common/psiginfo.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/stdio-common/psiginfo.c b/stdio-common/psiginfo.c
new file mode 100644
index 0000000..e5d06a2
--- /dev/null
+++ b/stdio-common/psiginfo.c
@@ -0,0 +1,178 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <libintl.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <not-cancel.h>
+
+
+#define MF(l) MF1 (l)
+#define MF1(l) str_##l
+#define C(s1, s2) C1 (s1, s2)
+#define C1(s1, s2) s1##s2
+
+#define NOW SIGILL
+#include "psiginfo-define.h"
+
+#define NOW SIGFPE
+#include "psiginfo-define.h"
+
+#define NOW SIGSEGV
+#include "psiginfo-define.h"
+
+#define NOW SIGBUS
+#include "psiginfo-define.h"
+
+#define NOW SIGTRAP
+#include "psiginfo-define.h"
+
+#define NOW SIGCLD
+#include "psiginfo-define.h"
+
+#define NOW SIGPOLL
+#include "psiginfo-define.h"
+
+
+/* Print out on stderr a line consisting of the test in S, a colon, a space,
+ a message describing the meaning of the signal number PINFO and a newline.
+ If S is NULL or "", the colon and space are omitted. */
+void
+psiginfo (const siginfo_t *pinfo, const char *s)
+{
+ char buf[512];
+ FILE *fp = fmemopen (buf, sizeof (buf), "w");
+ if (fp == NULL)
+ {
+ const char *colon;
+
+ if (s == NULL || *s == '\0')
+ s = colon = "";
+ else
+ colon = ": ";
+
+ __fxprintf (NULL, "%s%ssignal %d\n", s, colon, pinfo->si_signo);
+ return;
+ }
+
+ if (s != NULL && *s != '\0')
+ fprintf (fp, "%s: ", s);
+
+ const char *desc;
+ if (pinfo->si_signo >= 0 && pinfo->si_signo < NSIG
+ && (desc = INTUSE(_sys_siglist)[pinfo->si_signo]) != NULL)
+ {
+ fprintf (fp, "%s (", _(desc));
+
+ const char *base = NULL;
+ const uint8_t *offarr = NULL;
+ size_t offarr_len = 0;
+ switch (pinfo->si_signo)
+ {
+#define H(sig) \
+ case sig: \
+ base = C(codestrs_, sig).str; \
+ offarr = C (codes_, sig); \
+ offarr_len = sizeof (C (codes_, sig)) / sizeof (C (codes_, sig)[0]);\
+ break
+
+ H (SIGILL);
+ H (SIGFPE);
+ H (SIGSEGV);
+ H (SIGBUS);
+ H (SIGTRAP);
+ H (SIGCHLD);
+ H (SIGPOLL);
+ }
+
+ const char *str = NULL;
+ if (offarr != NULL
+ && pinfo->si_code >= 1 && pinfo->si_code <= offarr_len)
+ str = base + offarr[pinfo->si_code - 1];
+ else
+ switch (pinfo->si_code)
+ {
+ case SI_USER:
+ str = N_("Signal sent by kill()");
+ break;
+ case SI_QUEUE:
+ str = N_("Signal sent by sigqueue()");
+ break;
+ case SI_TIMER:
+ str = N_("Signal generated by the expiration of a timer");
+ break;
+ case SI_ASYNCIO:
+ str = N_("\
+Signal generated by the completion of an asynchronous I/O request");
+ break;
+ case SI_MESGQ:
+ str = N_("\
+Signal generated by the arrival of a message on an empty message queue");
+ break;
+#ifdef SI_TKILL
+ case SI_TKILL:
+ str = N_("Signal sent by tkill()");
+ break;
+#endif
+#ifdef SI_ASYNCNL
+ case SI_ASYNCNL:
+ str = N_("\
+Signal generated by the completion of an asynchronous name lookup request");
+ break;
+#endif
+#ifdef SI_SIGIO
+ case SI_SIGIO:
+ str = N_("\
+Signal generated by the completion of an I/O request");
+ break;
+#endif
+#ifdef SI_KERNEL
+ case SI_KERNEL:
+ str = N_("Signal sent by the kernel");
+ break;
+#endif
+ }
+
+ if (str != NULL)
+ fprintf (fp, "%s ", _(str));
+ else
+ fprintf (fp, "%d ", pinfo->si_code);
+
+ if (pinfo->si_signo == SIGILL || pinfo->si_signo == SIGFPE
+ || pinfo->si_signo == SIGSEGV || pinfo->si_signo == SIGBUS)
+ fprintf (fp, "[%p])", pinfo->si_addr);
+ else if (pinfo->si_signo == SIGCHLD)
+ fprintf (fp, "%ld %d %ld)", (long int) pinfo->si_pid, pinfo->si_status,
+ (long int) pinfo->si_uid);
+ else if (pinfo->si_signo == SIGPOLL)
+ fprintf (fp, "%ld)", pinfo->si_band);
+ else
+ fprintf (fp, "%ld %ld)",
+ (long int) pinfo->si_pid, (long int) pinfo->si_uid);
+ }
+ else
+ fprintf (fp, _("Unknown signal %d\n"), pinfo->si_signo);
+
+ fclose (fp);
+
+ write_not_cancel (STDERR_FILENO, buf, strlen (buf));
+}