From patchwork Tue Nov 8 20:29:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 17309 Received: (qmail 125213 invoked by alias); 8 Nov 2016 20:30:43 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 125068 invoked by uid 89); 8 Nov 2016 20:30:42 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM, SPF_PASS autolearn=no version=3.3.2 spammy=1613, UD:syscall.h, 10, 4, s39064 X-HELO: mail-ua0-f178.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=bcdcj0Q2Z85Eu3PQKX9ltJ5UWEboLypFkbf45h36I4A=; b=W3Hv/MyV6Hjse+IEE0Bg0v5jPkrEOBQSseiN2WqI5S//Z8/FUDnGSVGllw5jhOXzt4 11HDGVTKFAsyyVSlAjUItGeHnsoqqhj86Snbz4WXhwas2uL4t2kiAyXlMlha9S4R55sW q3Ak/svBU301SrGLOusNGEbW8WXn6NTCr6hPDR8iQkbfse4YFDSvL3NXUimPvYr8hJFP fohP8S4kk1zRak3jbq2xVeQ5RXVFet/UbUPsku9d5pnSodyr6gbG7/Ef66QriDhskPTN 0E54+OkQOu3algeGfFLw0NHtXqLmmRmf+t0/+mAL4C2ssCxive+tMCxdroiIHXKS8bcD ekfA== X-Gm-Message-State: ABUngve0SagvbilRq7S0BMOnqNoyDr6wx1kN0IzaQOM4mwsp7+3wJEIC66wtWffj4OXh8ND6 X-Received: by 10.176.0.82 with SMTP id 76mr9127260uai.46.1478637030583; Tue, 08 Nov 2016 12:30:30 -0800 (PST) From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH v3 09/17] Use semget syscall for Linux implementation Date: Tue, 8 Nov 2016 18:29:59 -0200 Message-Id: <1478637007-31212-10-git-send-email-adhemerval.zanella@linaro.org> In-Reply-To: <1478637007-31212-1-git-send-email-adhemerval.zanella@linaro.org> References: <1478637007-31212-1-git-send-email-adhemerval.zanella@linaro.org> Changes from previous version: - Remove semget from syscalls.list. --- 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. --- ChangeLog | 14 ++++++++++++++ sysdeps/unix/sysv/linux/alpha/syscalls.list | 1 - sysdeps/unix/sysv/linux/arm/syscalls.list | 1 - sysdeps/unix/sysv/linux/generic/syscalls.list | 1 - sysdeps/unix/sysv/linux/hppa/syscalls.list | 1 - sysdeps/unix/sysv/linux/ia64/syscalls.list | 1 - sysdeps/unix/sysv/linux/microblaze/syscalls.list | 1 - sysdeps/unix/sysv/linux/mips/mips64/syscalls.list | 1 - sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list | 1 - sysdeps/unix/sysv/linux/semget.c | 11 ++++++----- sysdeps/unix/sysv/linux/x86_64/syscalls.list | 1 - 11 files changed, 20 insertions(+), 14 deletions(-) diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list index c12620a..2533263 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscalls.list +++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list index 4bf4826..ef5bd01 100644 --- a/sysdeps/unix/sysv/linux/arm/syscalls.list +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list index f95f1f7..485f6fe 100644 --- a/sysdeps/unix/sysv/linux/generic/syscalls.list +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index 5040ef3..685ab93 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list index ca5cba4..56200ba 100644 --- a/sysdeps/unix/sysv/linux/ia64/syscalls.list +++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list index c40bac3..a0b8ebf 100644 --- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list +++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list index 212392c..facae19 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list @@ -10,4 +10,3 @@ 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 diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 09ab580..288e080 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -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 diff --git a/sysdeps/unix/sysv/linux/semget.c b/sysdeps/unix/sysv/linux/semget.c index 52189fd..efdd967 100644 --- a/sysdeps/unix/sysv/linux/semget.c +++ b/sysdeps/unix/sysv/linux/semget.c @@ -16,13 +16,10 @@ License along with the GNU C Library; if not, see . */ -#include #include #include -#include /* for definition of NULL */ - #include -#include +#include /* 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_SYSVIPC_SYSCALL + return INLINE_SYSCALL_CALL (semget, key, nsems, semflg); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_semget, key, nsems, semflg, NULL); +#endif } diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list index 96ddfcb..a6d2636 100644 --- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list @@ -8,7 +8,6 @@ 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