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Use semget syscall for Linux implementation 

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

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

	* sysdeps/unix/sysv/linux/alpha/syscalls.list (semget): Remove.
	* sysdeps/unix/sysv/linux/arm/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/generic/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semget):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semget):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semget): Likewise.
	* sysdeps/unix/sysv/linux/semget.c (semget): Use semget syscall
	if it is defined.
This commit is contained in:
Adhemerval Zanella 2016-10-26 16:59:55 -02:00
parent 40c0a78068
commit d29f6bcdcc
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 (semget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semget):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semget):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/semget.c (semget): Use semget syscall
if it is defined.
* sysdeps/unix/sysv/linux/alpha/Makefile (sysdeps_routines): Remove
oldsemctl.
* sysdeps/unix/sysv/linux/alpha/semctl.c: Remove file.

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

@ -6,7 +6,6 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
sigstack - sigstack 2 sigstack

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

@ -28,7 +28,6 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept

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

@ -1,7 +1,6 @@
# File name Caller Syscall name # args Strong name Weak names
# SysV APIs
semget - semget i:iii __semget semget
semtimedop - semtimedop i:ipip semtimedop
semop - semop i:ipi __semop semop
shmget - shmget i:iii __shmget shmget

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

@ -7,7 +7,6 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept

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

@ -11,7 +11,6 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept

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

@ -13,4 +13,3 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget

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

@ -7,4 +7,3 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget

1
sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list
View File

@ -6,4 +6,3 @@ shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semget - semget i:iii __semget semget

11
sysdeps/unix/sysv/linux/semget.c
View File

@ -16,13 +16,10 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/sem.h>
#include <ipc_priv.h>
#include <stdlib.h> /* for definition of NULL */
#include <sysdep.h>
#include <sys/syscall.h>
#include <errno.h>
/* Return identifier for array of NSEMS semaphores associated with
KEY. */
@ -30,5 +27,9 @@
int
semget (key_t key, int nsems, int semflg)
{
return INLINE_SYSCALL (ipc, 5, IPCOP_semget, key, nsems, semflg, NULL);
#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
return INLINE_SYSCALL_CALL (semget, key, nsems, semflg);
#else
return INLINE_SYSCALL_CALL (ipc, IPCOP_semget, key, nsems, semflg, NULL);
#endif
}

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

@ -12,7 +12,6 @@ shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime