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* [Qemu-devel] [PATCH] Add inotify syscall family
@ 2008-09-19 13:33 Riku Voipio
  2008-09-19 14:18 ` Kirill A. Shutemov
  2008-10-01 21:49 ` Aurelien Jarno
  0 siblings, 2 replies; 4+ messages in thread
From: Riku Voipio @ 2008-09-19 13:33 UTC (permalink / raw)
  To: qemu-devel


Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
---
 linux-user/syscall.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8b8262a..b9c0e59 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -177,6 +177,9 @@ static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,	\
 #define __NR_sys_unlinkat __NR_unlinkat
 #define __NR_sys_utimensat __NR_utimensat
 #define __NR_sys_futex __NR_futex
+#define __NR_sys_inotify_init __NR_inotify_init
+#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
+#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
 
 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
 #define __NR__llseek __NR_lseek
@@ -270,6 +273,15 @@ _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
           const struct timespec *,tsp,int,flags)
 #endif
+#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
+_syscall0(int,sys_inotify_init)
+#endif
+#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
+_syscall3(int,sys_inotify_add_watch,int,fd,const char *,pathname,uint32_t,mask)
+#endif
+#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
+_syscall2(int,sys_inotify_rm_watch,int,fd,uint32_t,wd)
+#endif
 #if defined(USE_NPTL)
 #if defined(TARGET_NR_futex) && defined(__NR_futex)
 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
@@ -5873,6 +5885,23 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
         break;
 #endif
+#ifdef TARGET_NR_inotify_init
+    case TARGET_NR_inotify_init:
+        ret = get_errno(sys_inotify_init());
+        break;
+#endif
+#ifdef TARGET_NR_inotify_add_watch
+    case TARGET_NR_inotify_add_watch:
+        p = lock_user_string(arg2);
+        ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
+        unlock_user(p, arg2, 0);
+        break;
+#endif
+#ifdef TARGET_NR_inotify_rm_watch
+    case TARGET_NR_inotify_rm_watch:
+        ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
+        break;
+#endif
 
     default:
     unimplemented:
-- 
1.5.6.5


-- 
"rm -rf" only sounds scary if you don't have backups

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [Qemu-devel] [PATCH] Add fadvise64 stubs
@ 2008-10-01 13:56 Kirill A. Shutemov
  2008-10-01 13:56 ` [Qemu-devel] [PATCH] Add mincore syscall Kirill A. Shutemov
  0 siblings, 1 reply; 4+ messages in thread
From: Kirill A. Shutemov @ 2008-10-01 13:56 UTC (permalink / raw)
  To: qemu-devel; +Cc: Kirill A. Shutemov, Riku Voipio

Since these are only hints, we happily fake them for now
to make applications not barf on ENOSYS.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
---
 linux-user/syscall.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 40c0ed8..4695416 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5578,6 +5578,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
     case TARGET_NR_mincore:
         goto unimplemented;
 #endif
+#ifdef TARGET_NR_arm_fadvise64_64
+    case TARGET_NR_arm_fadvise64_64:
+        {
+            /*
+             * arm_fadvise64_64 looks like fadvise64_64 but
+             * with different argument order
+             */
+            abi_long temp;
+            temp = arg3;
+            arg3 = arg4;
+            arg4 = temp;
+        }
+#endif
+#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
+#ifdef TARGET_NR_fadvise64_64
+    case TARGET_NR_fadvise64_64:
+#endif
+        /* This is a hint, so ignoring and returning success is ok.  */
+        ret = get_errno(0);
+        break;
+#endif
 #ifdef TARGET_NR_madvise
     case TARGET_NR_madvise:
         /* A straight passthrough may not be safe because qemu sometimes
-- 
1.5.6.5.GIT

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2008-10-01 21:49 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2008-09-19 13:33 [Qemu-devel] [PATCH] Add inotify syscall family Riku Voipio
2008-09-19 14:18 ` Kirill A. Shutemov
2008-10-01 21:49 ` Aurelien Jarno
  -- strict thread matches above, loose matches on Subject: below --
2008-10-01 13:56 [Qemu-devel] [PATCH] Add fadvise64 stubs Kirill A. Shutemov
2008-10-01 13:56 ` [Qemu-devel] [PATCH] Add mincore syscall Kirill A. Shutemov
2008-10-01 13:56   ` [Qemu-devel] [PATCH] Add readahead syscall Kirill A. Shutemov
2008-10-01 13:56     ` [Qemu-devel] [PATCH] Add inotify syscall family Kirill A. Shutemov

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