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[04/15] Use msgget syscall for Linux implementation

Message ID 1478010323-13076-5-git-send-email-adhemerval.zanella@linaro.org
State Superseded
Headers show

Commit Message

Adhemerval Zanella Netto Nov. 1, 2016, 2:25 p.m. UTC 
This patch add a direct call to msgget syscall if it is defined by
kernel headers.

hecked on x86_64, i686, powerpc64le, aarch64, and armhf.

	* sysdeps/unix/sysv/linux/msgget.c (msgget): Use msgget syscall if
	define.
---
 ChangeLog                        |  3 +++
 sysdeps/unix/sysv/linux/msgget.c | 11 ++++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

-- 
2.7.4
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Patch

diff --git a/sysdeps/unix/sysv/linux/msgget.c b/sysdeps/unix/sysv/linux/msgget.c
index ef98c75..07da793 100644
--- a/sysdeps/unix/sysv/linux/msgget.c
+++ b/sysdeps/unix/sysv/linux/msgget.c
@@ -16,13 +16,10 @@ 
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
 #include <sys/msg.h>
 #include <ipc_priv.h>
-#include <stdlib.h>		/* for definition of NULL */
-
 #include <sysdep.h>
-#include <sys/syscall.h>
+#include <errno.h>
 
 /* Return descriptor for message queue associated with KEY.  The MSGFLG
    parameter describes how to proceed with clashing of key values.  */
@@ -30,5 +27,9 @@ 
 int
 msgget (key_t key, int msgflg)
 {
-  return INLINE_SYSCALL (ipc, 5, IPCOP_msgget, key, msgflg, 0, NULL);
+#ifdef __NR_msgget
+  return INLINE_SYSCALL_CALL (msgget, key, msgflg);
+#else
+  return INLINE_SYSCALL_CALL (ipc, IPCOP_msgget, key, msgflg, 0, NULL);
+#endif
 }