From: Tom Hughes <tom@compton.nu>
Date: Sat, 11 Sep 2004 14:29:19 +0000 (+0000)
Subject: Add system call wrappers for sched_{get,set}affinity. Based on patch
X-Git-Tag: svn/VALGRIND_3_0_0~1594
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=838ac82f4cef20a6dcdc7d28c9eb0d136401bba1;p=thirdparty%2Fvalgrind.git

Add system call wrappers for sched_{get,set}affinity. Based on patch
from Daryll Strauss <daryll@daryll.net>.

CCMAIL: 89139-done@bugs.kde.org


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2691
---

diff --git a/coregrind/vg_syscalls.c b/coregrind/vg_syscalls.c
index 9126c11ce1..565d4eca23 100644
--- a/coregrind/vg_syscalls.c
+++ b/coregrind/vg_syscalls.c
@@ -5391,6 +5391,25 @@ POST(futex)
    }
 }
 
+PRE(sched_setaffinity)
+{
+   /* int sched_setaffinity(pid_t pid, unsigned int len, unsigned long *mask) */
+   MAYBE_PRINTF("sched_setaffinity ( %d, %d, %p )\n", arg1, arg2, arg3);
+   SYSCALL_TRACK(pre_mem_read, tid, "sched_setaffinity(mask)", arg3, arg2);
+}
+
+PRE(sched_getaffinity)
+{
+   /* int sched_setaffinity(pid_t pid, unsigned int len, unsigned long *mask) */
+   MAYBE_PRINTF("sched_getaffinity ( %d, %d, %p )\n", arg1, arg2, arg3);
+   SYSCALL_TRACK(pre_mem_write, tid, "sched_getaffinity(mask)", arg3, arg2);
+}
+
+POST(sched_getaffinity)
+{
+   VG_TRACK(post_mem_write, arg3, arg2);
+}
+
 PRE(acct)
 {
    /* int acct(const char *filename); */
@@ -6137,6 +6156,8 @@ static const struct sys_info sys_info[] = {
    SYSBA(adjtimex,		0),
    SYSBA(mmap2,			0),
    SYSBA(futex,                 MayBlock),
+   SYSB_(sched_setaffinity,     0),
+   SYSBA(sched_getaffinity,     0),
    SYSB_(acct,                  0),
 
    /* new signal handling makes these normal blocking syscalls */