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* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add signalfd.

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* sysdeps/unix/sysv/linux/signalfd.c: New file.
	* sysdeps/unix/sysv/linux/sys/signalfd.h: New file.
	* sysdeps/unix/sysv/linux/Versions: Export signalfd for GLIBC_2.7.
This commit is contained in:
Ulrich Drepper 2007-10-05 16:31:37 +00:00
parent 375d942968
commit 34c2c09296
5 changed files with 102 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-10-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add signalfd.
* sysdeps/unix/sysv/linux/signalfd.c: New file.
* sysdeps/unix/sysv/linux/sys/signalfd.h: New file.
* sysdeps/unix/sysv/linux/Versions: Export signalfd for GLIBC_2.7.
2007-10-04 Jakub Jelinek
* stdlib/msort.c: Include stdint.h.

2
sysdeps/unix/sysv/linux/Makefile
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@ -13,7 +13,7 @@ endif
ifeq ($(subdir),misc)
sysdep_routines += sysctl clone llseek umount umount2 readahead \
setfsuid setfsgid makedev epoll_pwait
setfsuid setfsgid makedev epoll_pwait signalfd
CFLAGS-gethostid.c = -fexceptions

3
sysdeps/unix/sysv/linux/Versions
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@ -129,6 +129,9 @@ libc {
GLIBC_2.6 {
epoll_pwait; sync_file_range; sched_getcpu;
}
GLIBC_2.7 {
signalfd;
}
GLIBC_PRIVATE {
# functions used in other libraries
__syscall_rt_sigqueueinfo;

34
sysdeps/unix/sysv/linux/signalfd.c Normal file
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@ -0,0 +1,34 @@
/* Copyright (C) 2007 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 <errno.h>
#include <signal.h>
#include <sys/signalfd.h>
#include <sysdep.h>
int
signalfd (int fd, const sigset_t *mask)
{
#ifdef __NR_signalfd
return INLINE_SYSCALL (signalfd, 3, fd, mask, _NSIG / 8);
#else
__set_errno (ENOSYS);
return -1;
#endif
}

57
sysdeps/unix/sysv/linux/sys/signalfd.h Normal file
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@ -0,0 +1,57 @@
/* Copyright (C) 2007 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. */
#ifndef _SYS_SIGNALFD_H
#define _SYS_SIGNALFD_H 1
#define __need_sigset_t
#include <signal.h>
#include <stdint.h>
struct signalfd_siginfo
{
uint32_t ssi_signo;
int32_t ssi_errno;
int32_t ssi_code;
uint32_t ssi_pid;
uint32_t ssi_uid;
int32_t ssi_fd;
uint32_t ssi_tid;
uint32_t ssi_band;
uint32_t ssi_overrun;
uint32_t ssi_trapno;
int32_t ssi_status;
int32_t ssi_int;
uintptr_t ssi_ptr;
uint64_t ssi_utime;
uint64_t ssi_stime;
uint64_t ssi_addr;
uint8_t __pad[48];
};
__BEGIN_DECLS
/* Request notification for delivery of signals in MASK to be
performed using descriptor FD.*/
extern int signalfd (int __fd, const sigset_t *__mask) __THROW;
__END_DECLS
#endif /* sys/signalfd.h */