Attachment 152188 Details for Bug 231090 – Fix semctl usage

[patch] Fix semctl usage

fixes.part001 (text/plain), 1.10 KB, created by Miloslav Trmač on 2007-04-11 00:28:19 UTC

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Creator: Miloslav Trmač

Created: 2007-04-11 00:28:19 UTC

Size: 1.10 KB

patch

obsolete

>--- test0/_test.c	2007-03-05 20:20:21.000000000 -0500
>+++ test/_test.c	2007-04-10 20:04:31.000000000 -0400
>@@ -17,6 +17,11 @@
> 
> #define IPC_64 0x100 /* see <linux/ipc.h> can't be included due to conflicts with other includes */
> 
>+union semun {
>+	int val;
>+	struct semid_ds *buf;
>+	unsigned short *array;
>+};
> /*
>  * Creates a new semaphore and returns its id.
>  */
>@@ -34,8 +39,10 @@
> {
>     struct semid_ds buf;
>     struct op_return ret;
>+    union semun arg;
> 
>-    ret.exit = semctl(id, 0, IPC_STAT, &buf);
>+    arg.buf = &buf;
>+    ret.exit = semctl(id, 0, IPC_STAT, arg);
>     ret.errno_value = (ret.exit == 0)? 0 : errno;
> 
>     ret.syscall_no = SYS_ipc;
>@@ -56,13 +63,15 @@
> {
>     struct semid_ds buf;
>     struct op_return ret;
>+    union semun arg;
> 
>     buf.sem_perm.uid = geteuid();
>     buf.sem_perm.gid = getegid();
>     buf.sem_perm.mode = 0666;
> 
>     /* the SEMNUM argument is ignored in the call below */
>-    ret.exit = semctl(id, 0, IPC_SET, &buf);
>+    arg.buf = &buf;
>+    ret.exit = semctl(id, 0, IPC_SET, arg);
>     ret.errno_value = (ret.exit == 0)? 0 : errno;
> 
>     ret.syscall_no = SYS_ipc;

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