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Use msgget syscall for Linux implementation

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This patch add a direct call to msgget syscall if it is supported by
kernel features.

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

	* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgget): Remove.
	* sysdeps/unix/sysv/linux/arm/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/generic/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgget):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgget):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgget): Likewise.
	* sysdeps/unix/sysv/linux/msgget.c (msgget): Use msgget syscall if
	define.
This commit is contained in:
Adhemerval Zanella 2016-10-26 11:00:24 -02:00
parent 692fe43ae2
commit 2182a151a7
11 changed files with 20 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
ChangeLog
View File

@ -1,5 +1,19 @@
2016-12-28 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (msgget):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (msgget):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (msgget): Likewise.
* sysdeps/unix/sysv/linux/msgget.c (msgget): Use msgget syscall if
define.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (msgsnd): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (msgsnd): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (msgsnd): Likewise.

1
sysdeps/unix/sysv/linux/alpha/syscalls.list
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@ -1,6 +1,5 @@
# File name Caller Syscall name # args Strong name Weak names
msgget - msgget i:ii __msgget msgget
shmat - osf_shmat i:ipi __shmat shmat
oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0
shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/arm/syscalls.list
View File

@ -23,7 +23,6 @@ personality EXTRA personality Ei:i __personality personality
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget

1
sysdeps/unix/sysv/linux/generic/syscalls.list
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@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
# SysV APIs
msgget - msgget i:ii __msgget msgget
semget - semget i:iii __semget semget
semctl - semctl i:iiii __semctl semctl
semtimedop - semtimedop i:ipip semtimedop

1
sysdeps/unix/sysv/linux/hppa/syscalls.list
View File

@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
# semaphore and shm system calls
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/ia64/syscalls.list
View File

@ -5,7 +5,6 @@ umount2 - umount 2 __umount2 umount2
getpriority - getpriority i:ii __getpriority getpriority
# semaphore and shm system calls
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/microblaze/syscalls.list
View File

@ -8,7 +8,6 @@ personality EXTRA personality Ei:i __personality personality
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget

1
sysdeps/unix/sysv/linux/mips/mips64/syscalls.list
View File

@ -2,7 +2,6 @@
# Semaphore and shm system calls. msgctl, shmctl, and semctl have C
# wrappers (to set __IPC_64).
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget

11
sysdeps/unix/sysv/linux/msgget.c
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@ -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 __ASSUME_DIRECT_SYSVIPC_SYSCALLS
return INLINE_SYSCALL_CALL (msgget, key, msgflg);
#else
return INLINE_SYSCALL_CALL (ipc, IPCOP_msgget, key, msgflg, 0, NULL);
#endif
}

1
sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
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@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
# semaphore and shm system calls
msgget - msgget i:ii __msgget msgget
shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt

1
sysdeps/unix/sysv/linux/x86_64/syscalls.list
View File

@ -2,7 +2,6 @@
arch_prctl EXTRA arch_prctl i:ii __arch_prctl arch_prctl
modify_ldt EXTRA modify_ldt i:ipi __modify_ldt modify_ldt
msgget - msgget i:ii __msgget msgget
pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __pread pread
preadv64 - preadv Ci:ipii preadv64 preadv
pwrite64 - pwrite64 Ci:ipii __libc_pwrite __libc_pwrite64 __pwrite64 pwrite64 __pwrite pwrite