From: Arun Sharma <arun.sharma@intel.com>
To: linux-ia64@vger.kernel.org
Subject: [PATCH] IA-32: Support for new system call: waitid
Date: Wed, 06 Oct 2004 22:52:29 +0000 [thread overview]
Message-ID: <4164772D.3080904@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 112 bytes --]
Hi Tony,
The attached patch adds support for the new system call waitid that was introduced recently.
-Arun
[-- Attachment #2: ia32-waitid.patch --]
[-- Type: text/plain, Size: 2636 bytes --]
Added support for the new syscall sys_waitid()
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
Index: linux-2.6-cvs/arch/ia64/ia32/ia32_entry.S
===================================================================
RCS file: /home/adsharma/disk2/cvs/linux-2.5/arch/ia64/ia32/ia32_entry.S,v
retrieving revision 1.37
diff -u -r1.37 ia32_entry.S
--- linux-2.6-cvs/arch/ia64/ia32/ia32_entry.S 24 Aug 2004 18:27:07 -0000 1.37
+++ linux-2.6-cvs/arch/ia64/ia32/ia32_entry.S 21 Sep 2004 18:08:20 -0000
@@ -493,6 +493,8 @@
data8 compat_sys_mq_timedreceive /* 280 */
data8 compat_sys_mq_notify
data8 compat_sys_mq_getsetattr
+ data8 sys_ni_syscall /* reserved for kexec */
+ data8 sys32_waitid
// guard against failures to increase IA32_NR_syscalls
.org ia32_syscall_table + 8*IA32_NR_syscalls
Index: linux-2.6-cvs/arch/ia64/ia32/sys_ia32.c
===================================================================
RCS file: /home/adsharma/disk2/cvs/linux-2.5/arch/ia64/ia32/sys_ia32.c,v
retrieving revision 1.71
diff -u -r1.71 sys_ia32.c
--- linux-2.6-cvs/arch/ia64/ia32/sys_ia32.c 12 Jul 2004 21:24:00 -0000 1.71
+++ linux-2.6-cvs/arch/ia64/ia32/sys_ia32.c 21 Sep 2004 18:07:54 -0000
@@ -2728,6 +2728,32 @@
advice);
}
+asmlinkage long sys32_waitid(int which, compat_pid_t pid,
+ siginfo_t32 __user *uinfo, int options,
+ struct compat_rusage __user *uru)
+{
+ siginfo_t info;
+ struct rusage ru;
+ long ret;
+ mm_segment_t old_fs = get_fs();
+
+ info.si_signo = 0;
+ set_fs (KERNEL_DS);
+ ret = sys_waitid(which, pid, (siginfo_t __user *) &info, options,
+ uru ? &ru : NULL);
+ set_fs (old_fs);
+
+ if (ret < 0 || info.si_signo == 0)
+ return ret;
+
+ if (uru && (ret = put_compat_rusage(&ru, uru)))
+ return ret;
+
+ BUG_ON(info.si_code & __SI_MASK);
+ info.si_code |= __SI_CHLD;
+ return copy_siginfo_to_user32(uinfo, &info);
+}
+
#ifdef NOTYET /* UNTESTED FOR IA64 FROM HERE DOWN */
asmlinkage long sys32_setreuid(compat_uid_t ruid, compat_uid_t euid)
Index: linux-2.6-cvs/include/asm-ia64/ia32.h
===================================================================
RCS file: /home/adsharma/disk2/cvs/linux-2.5/include/asm-ia64/ia32.h,v
retrieving revision 1.22
diff -u -r1.22 ia32.h
--- linux-2.6-cvs/include/asm-ia64/ia32.h 19 Jun 2004 14:49:02 -0000 1.22
+++ linux-2.6-cvs/include/asm-ia64/ia32.h 21 Sep 2004 17:55:43 -0000
@@ -6,7 +6,7 @@
#include <asm/ptrace.h>
#include <asm/signal.h>
-#define IA32_NR_syscalls 283 /* length of syscall table */
+#define IA32_NR_syscalls 285 /* length of syscall table */
#define IA32_PAGE_SHIFT 12 /* 4KB pages */
#ifndef __ASSEMBLY__
reply other threads:[~2004-10-06 22:52 UTC|newest]
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