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@@ -1,107 +1,114 @@
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-
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+
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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 Library General Public License as
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- published by the Free Software Foundation; either version 2 of the
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- License, or (at your option) any later version.
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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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- Library General Public License for more details.
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+ Lesser General Public License for more details.
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- You should have received a copy of the GNU Library General Public
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- License along with the GNU C Library; see the file COPYING.LIB. If not,
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- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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- Boston, MA 02111-1307, USA. */
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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 <errno.h>
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#include <signal.h>
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#include <string.h>
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+
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#include <sys/syscall.h>
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+
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+
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+
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+ kernel is not the same as we use in the libc. Therefore we must
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+ translate it here. */
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#include <bits/kernel_sigaction.h>
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+int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact);
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#if defined __NR_rt_sigaction
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If OACT is not NULL, put the old action for SIG in *OACT. */
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-int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
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+int
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+__libc_sigaction (sig, act, oact)
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+ int sig;
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+ const struct sigaction *act;
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+ struct sigaction *oact;
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{
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- int result;
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- struct kernel_sigaction kact, koact;
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-
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-#ifdef SIGCANCEL
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- if (sig == SIGCANCEL) {
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- __set_errno (EINVAL);
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- return -1;
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- }
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-#endif
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- if (act) {
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- kact.k_sa_handler = act->sa_handler;
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- memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask));
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- kact.sa_flags = act->sa_flags;
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+ int result;
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+ struct kernel_sigaction kact, koact;
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+
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+ if (act) {
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+ kact.k_sa_handler = act->sa_handler;
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+ memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask));
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+ kact.sa_flags = act->sa_flags;
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# ifdef HAVE_SA_RESTORER
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- kact.sa_restorer = act->sa_restorer;
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+ kact.sa_restorer = act->sa_restorer;
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# endif
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- }
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-
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-
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- real size of the user-level sigset_t. */
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- result = __syscall_rt_sigaction(sig, act ? __ptrvalue (&kact) : NULL,
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- oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
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-
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- if (oact && result >= 0) {
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- oact->sa_handler = koact.k_sa_handler;
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- memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask));
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- oact->sa_flags = koact.sa_flags;
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+ }
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+
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+
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+ real size of the user-level sigset_t. */
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+ result = __syscall_rt_sigaction(sig,
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+ act ? __ptrvalue (&kact) : NULL,
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+ oact ? __ptrvalue (&koact) : NULL, _NSIG / 8);
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+
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+ if (oact && result >= 0) {
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+ oact->sa_handler = koact.k_sa_handler;
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+ memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask));
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+ oact->sa_flags = koact.sa_flags;
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# ifdef HAVE_SA_RESTORER
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- oact->sa_restorer = koact.sa_restorer;
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+ oact->sa_restorer = koact.sa_restorer;
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# endif
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- }
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- return result;
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-}
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+ }
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+ return result;
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+}
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#else
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If OACT is not NULL, put the old action for SIG in *OACT. */
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-int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
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+int
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+__libc_sigaction (sig, act, oact)
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+ int sig;
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+ const struct sigaction *act;
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+ struct sigaction *oact;
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{
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- int result;
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- struct old_kernel_sigaction kact, koact;
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-
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-#ifdef SIGCANCEL
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- if (sig == SIGCANCEL) {
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- __set_errno (EINVAL);
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- return -1;
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- }
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-#endif
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- if (act) {
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- kact.k_sa_handler = act->sa_handler;
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- kact.sa_mask = act->sa_mask.__val[0];
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- kact.sa_flags = act->sa_flags;
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+ int result;
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+ struct old_kernel_sigaction kact, koact;
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+
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+ if (act) {
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+ kact.k_sa_handler = act->sa_handler;
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+ kact.sa_mask = act->sa_mask.__val[0];
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+ kact.sa_flags = act->sa_flags;
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# ifdef HAVE_SA_RESTORER
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- kact.sa_restorer = act->sa_restorer;
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+ kact.sa_restorer = act->sa_restorer;
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# endif
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- }
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- result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL,
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- oact ? __ptrvalue (&koact) : NULL);
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-
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- if (oact && result >= 0) {
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- oact->sa_handler = koact.k_sa_handler;
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- oact->sa_mask.__val[0] = koact.sa_mask;
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- oact->sa_flags = koact.sa_flags;
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+ }
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+
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+ result = __syscall_sigaction(sig,
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+ act ? __ptrvalue (&kact) : NULL,
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+ oact ? __ptrvalue (&koact) : NULL);
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+
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+ if (oact && result >= 0) {
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+ oact->sa_handler = koact.k_sa_handler;
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+ oact->sa_mask.__val[0] = koact.sa_mask;
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+ oact->sa_flags = koact.sa_flags;
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# ifdef HAVE_SA_RESTORER
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- oact->sa_restorer = koact.sa_restorer;
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+ oact->sa_restorer = koact.sa_restorer;
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# endif
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- }
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- return result;
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+ }
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+
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+ return result;
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}
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#endif
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-weak_alias(__libc_sigaction, sigaction)
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-
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+weak_alias (__libc_sigaction, __sigaction)
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+weak_alias (__libc_sigaction, sigaction)
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