From 50a6b4e0e4eff805b3a2b6df1e8c18d57ac40294 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Wed, 26 Oct 2016 18:24:53 -0200 Subject: Use shmget syscall for linux implementation this patch add a direct call to shmget syscall if it is supported by kernel features. Checked on x86_64, i686, powerpc64le, aarch64, and armhf. * sysdeps/unix/sysv/linux/alpha/syscalls.list (shmget): Remove. * sysdeps/unix/sysv/linux/arm/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/generic/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/hppa/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/ia64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/microblaze/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (shmget): Likewise. * sysdeps/unix/sysv/linux/shmget.c (shmget): Use shmget syscall if it is defined. --- sysdeps/unix/sysv/linux/alpha/syscalls.list | 2 -- sysdeps/unix/sysv/linux/arm/syscalls.list | 4 ---- sysdeps/unix/sysv/linux/generic/syscalls.list | 3 --- sysdeps/unix/sysv/linux/hppa/syscalls.list | 3 --- sysdeps/unix/sysv/linux/ia64/syscalls.list | 3 --- sysdeps/unix/sysv/linux/microblaze/syscalls.list | 4 ---- sysdeps/unix/sysv/linux/mips/mips64/syscalls.list | 5 ----- sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list | 4 ---- sysdeps/unix/sysv/linux/shmget.c | 13 +++++++------ sysdeps/unix/sysv/linux/x86_64/syscalls.list | 1 - 10 files changed, 7 insertions(+), 35 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/mips/mips64/syscalls.list delete mode 100644 sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (limited to 'sysdeps') diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list index 096bf229cc..4001020a6f 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscalls.list +++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list @@ -1,7 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -shmget - shmget i:iii __shmget shmget - sigstack - sigstack 2 sigstack getpriority - getpriority i:ii __getpriority getpriority diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list index b1ea6641f3..0263eee406 100644 --- a/sysdeps/unix/sysv/linux/arm/syscalls.list +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -21,10 +21,6 @@ fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark personality EXTRA personality Ei:i __personality personality -# Semaphore and shm system calls. msgctl, shmctl, and semctl have C -# wrappers (to set __IPC_64). -shmget - shmget i:iii __shmget shmget - # proper socket implementations: accept - accept Ci:iBN __libc_accept __accept accept bind - bind i:ipi __bind bind diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list index 51ce148159..3bb547303e 100644 --- a/sysdeps/unix/sysv/linux/generic/syscalls.list +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list @@ -1,8 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -# SysV APIs -shmget - shmget i:iii __shmget shmget - # Socket APIs socket - socket i:iii __socket socket socketpair - socketpair i:iiif __socketpair socketpair diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index e75dd43566..6d47b11f8a 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -1,8 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -# semaphore and shm system calls -shmget - shmget i:iii __shmget shmget - # proper socket implementations: accept - accept Ci:iBN __libc_accept __accept accept bind - bind i:ipi __bind bind diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list index 5ebade1121..dd07db3539 100644 --- a/sysdeps/unix/sysv/linux/ia64/syscalls.list +++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list @@ -4,9 +4,6 @@ umount2 - umount 2 __umount2 umount2 getpriority - getpriority i:ii __getpriority getpriority -# semaphore and shm system calls -shmget - shmget i:iii __shmget shmget - # proper socket implementations: accept - accept Ci:iBN __libc_accept __accept accept bind - bind i:ipi __bind bind diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list index 7a5666f270..932c9cccc8 100644 --- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list +++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list @@ -5,7 +5,3 @@ cacheflush EXTRA cacheflush i:iiii __cacheflush cacheflush prlimit64 EXTRA prlimit64 i:iipp prlimit64 fanotify_mark EXTRA fanotify_mark i:iiiiis fanotify_mark personality EXTRA personality Ei:i __personality personality - -# Semaphore and shm system calls. msgctl, shmctl, and semctl have C -# wrappers (to set __IPC_64). -shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list deleted file mode 100644 index e8e381bde3..0000000000 --- a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list +++ /dev/null @@ -1,5 +0,0 @@ -# File name Caller Syscall name Args Strong name Weak names - -# Semaphore and shm system calls. msgctl, shmctl, and semctl have C -# wrappers (to set __IPC_64). -shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list deleted file mode 100644 index 0ccbffa47d..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ /dev/null @@ -1,4 +0,0 @@ -# File name Caller Syscall name # args Strong name Weak names - -# semaphore and shm system calls -shmget - shmget i:iii __shmget shmget diff --git a/sysdeps/unix/sysv/linux/shmget.c b/sysdeps/unix/sysv/linux/shmget.c index bd624fc40b..2cea6960d1 100644 --- a/sysdeps/unix/sysv/linux/shmget.c +++ b/sysdeps/unix/sysv/linux/shmget.c @@ -16,13 +16,10 @@ License along with the GNU C Library; if not, see . */ -#include -#include +#include #include -#include /* for definition of NULL */ - #include -#include +#include /* Return an identifier for an shared memory segment of at least size SIZE which is associated with KEY. */ @@ -30,5 +27,9 @@ int shmget (key_t key, size_t size, int shmflg) { - return INLINE_SYSCALL (ipc, 5, IPCOP_shmget, key, size, shmflg, NULL); +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (shmget, key, size, shmflg, NULL); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_shmget, key, size, shmflg, NULL); +#endif } diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list index cb1a9f97f8..45d5ebf59b 100644 --- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list @@ -6,7 +6,6 @@ pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __prea preadv64 - preadv Ci:ipii preadv64 preadv pwrite64 - pwrite64 Ci:ipii __libc_pwrite __libc_pwrite64 __pwrite64 pwrite64 __pwrite pwrite pwritev64 - pwritev Ci:ipii pwritev64 pwritev -shmget - shmget i:iii __shmget shmget syscall_clock_gettime EXTRA clock_gettime Ei:ip __syscall_clock_gettime -- cgit v1.2.1