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Use semop syscall for Linux implementation

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This patch add a direct call to semop syscall if it is supported by
kernel headers.

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

	* sysdeps/unix/sysv/linux/alpha/syscalls.list (semop): Remove.
	* sysdeps/unix/sysv/linux/arm/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/generic/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semop):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semop):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semop): Likewise.
	* sysdeps/unix/sysv/linux/semop.c (semop): Use semop syscall if it is
	defined.
This commit is contained in:
Adhemerval Zanella
2016-10-26 17:01:43 -02:00
parent d29f6bcdcc
commit 0f97184020
11 changed files with 20 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
ChangeLog
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@ -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 (semop): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/microblaze/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (semop):
Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (semop):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/syscalls.list (semop): Likewise.
* sysdeps/unix/sysv/linux/semop.c (semop): Use semop syscall if it is
defined.
* sysdeps/unix/sysv/linux/alpha/syscalls.list (semget): Remove. * sysdeps/unix/sysv/linux/alpha/syscalls.list (semget): Remove.
* sysdeps/unix/sysv/linux/arm/syscalls.list (semget): Likewise. * sysdeps/unix/sysv/linux/arm/syscalls.list (semget): Likewise.
* sysdeps/unix/sysv/linux/generic/syscalls.list (semget): Likewise. * sysdeps/unix/sysv/linux/generic/syscalls.list (semget): Likewise.

1
sysdeps/unix/sysv/linux/alpha/syscalls.list
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@ -4,7 +4,6 @@ shmat - osf_shmat i:ipi __shmat shmat
oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0 oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0
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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
sigstack - sigstack 2 sigstack sigstack - sigstack 2 sigstack

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

@ -26,7 +26,6 @@ personality EXTRA personality Ei:i __personality personality
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
# proper socket implementations: # proper socket implementations:

1
sysdeps/unix/sysv/linux/generic/syscalls.list
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@ -2,7 +2,6 @@
# SysV APIs # SysV APIs
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
semop - semop i:ipi __semop semop
shmget - shmget i:iii __shmget shmget shmget - shmget i:iii __shmget shmget
shmctl - shmctl i:iip __shmctl shmctl shmctl - shmctl i:iip __shmctl shmctl
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat

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

@ -5,7 +5,6 @@ shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl 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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
# proper socket implementations: # proper socket implementations:

1
sysdeps/unix/sysv/linux/ia64/syscalls.list
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@ -9,7 +9,6 @@ shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl 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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
# proper socket implementations: # proper socket implementations:

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

@ -11,5 +11,4 @@ personality EXTRA personality Ei:i __personality personality
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop

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

@ -5,5 +5,4 @@
shmat - shmat i:ipi __shmat shmat shmat - shmat i:ipi __shmat shmat
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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop

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

@ -5,4 +5,3 @@ shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl 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

10
sysdeps/unix/sysv/linux/semop.c
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@ -16,17 +16,19 @@
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 <sysdep.h> #include <sysdep.h>
#include <sys/syscall.h> #include <errno.h>
/* Perform user-defined atomical operation of array of semaphores. */ /* Perform user-defined atomical operation of array of semaphores. */
int int
semop (int semid, struct sembuf *sops, size_t nsops) semop (int semid, struct sembuf *sops, size_t nsops)
{ {
return INLINE_SYSCALL (ipc, 5, IPCOP_semop, semid, (int) nsops, 0, sops); #ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
return INLINE_SYSCALL_CALL (semop, semid, sops, nsops);
#else
return INLINE_SYSCALL_CALL (ipc, IPCOP_semop, semid, nsops, 0, sops);
#endif
} }

1
sysdeps/unix/sysv/linux/x86_64/syscalls.list
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@ -10,7 +10,6 @@ shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl 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
semtimedop - semtimedop i:ipip semtimedop semtimedop - semtimedop i:ipip semtimedop
syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime