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Use semget syscall for Linux implementation

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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
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> 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 * sysdeps/unix/sysv/linux/alpha/Makefile (sysdeps_routines): Remove
oldsemctl. oldsemctl.
* sysdeps/unix/sysv/linux/alpha/semctl.c: Remove file. * 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
sigstack - sigstack 2 sigstack 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations: # proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept 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 # File name Caller Syscall name # args Strong name Weak names
# SysV APIs # SysV APIs
semget - semget i:iii __semget semget
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
shmget - shmget i:iii __shmget shmget 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations: # proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
# proper socket implementations: # proper socket implementations:
accept - accept Ci:iBN __libc_accept __accept accept 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop 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 shmdt - shmdt i:s __shmdt shmdt
shmget - shmget i:iii __shmget shmget shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop 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 License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */ <http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sys/sem.h> #include <sys/sem.h>
#include <ipc_priv.h> #include <ipc_priv.h>
#include <stdlib.h> /* for definition of NULL */
#include <sysdep.h> #include <sysdep.h>
#include <sys/syscall.h> #include <errno.h>
/* Return identifier for array of NSEMS semaphores associated with /* Return identifier for array of NSEMS semaphores associated with
KEY. */ KEY. */
@ -30,5 +27,9 @@
int int
semget (key_t key, int nsems, int semflg) 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 shmget - shmget i:iii __shmget shmget
semop - semop i:ipi __semop semop semop - semop i:ipi __semop semop
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semget - semget i:iii __semget semget
syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime