diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
16 files changed, 372 insertions, 64 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/types/struct_semid64_ds.h b/sysdeps/unix/sysv/linux/bits/types/struct_semid64_ds.h new file mode 100644 index 0000000000..bda9eb4469 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/types/struct_semid64_ds.h @@ -0,0 +1,33 @@ +/* Generic implementation of the semaphore struct semid64_ds. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/types/struct_semid_ds.h> directly; use <sys/sem.h> instead." +#endif + +#if __TIMESIZE == 64 +# define __semid64_ds semid_ds +#else +struct __semid64_ds +{ + struct ipc_perm sem_perm; /* operation permission struct */ + __time64_t sem_otime; /* last semop() time */ + __time64_t sem_ctime; /* last time changed by semctl() */ + __syscall_ulong_t sem_nsems; /* number of semaphores in set */ +}; +#endif diff --git a/sysdeps/unix/sysv/linux/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/bits/types/struct_semid_ds.h index 4222e6a59f..bc26d8be08 100644 --- a/sysdeps/unix/sysv/linux/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/bits/types/struct_semid_ds.h @@ -21,26 +21,19 @@ #endif /* Data structure describing a set of semaphores. */ -#if __TIMESIZE == 32 struct semid_ds { struct ipc_perm sem_perm; /* operation permission struct */ +#if __TIMESIZE == 32 __time_t sem_otime; /* last semop() time */ - __syscall_ulong_t __glibc_reserved1; + __syscall_ulong_t __sem_otime_high; __time_t sem_ctime; /* last time changed by semctl() */ - __syscall_ulong_t __glibc_reserved2; - __syscall_ulong_t sem_nsems; /* number of semaphores in set */ - __syscall_ulong_t __glibc_reserved3; - __syscall_ulong_t __glibc_reserved4; -}; + __syscall_ulong_t __sem_ctime_high; #else -struct semid_ds -{ - struct ipc_perm sem_perm; /* operation permission struct */ - __time_t sem_otime; /* last semop() time */ - __time_t sem_ctime; /* last time changed by semctl() */ - __syscall_ulong_t sem_nsems; /* number of semaphores in set */ + __time_t sem_otime; + __time_t sem_ctime; +#endif + __syscall_ulong_t sem_nsems; /* number of semaphores in set */ __syscall_ulong_t __glibc_reserved3; __syscall_ulong_t __glibc_reserved4; }; -#endif diff --git a/sysdeps/unix/sysv/linux/hppa/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/hppa/bits/types/struct_semid_ds.h index d4c50b5ef8..68f9eca24c 100644 --- a/sysdeps/unix/sysv/linux/hppa/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/hppa/bits/types/struct_semid_ds.h @@ -21,16 +21,14 @@ #endif /* Data structure describing a set of semaphores. */ -#if __TIMESIZE == 32 struct semid_ds { struct ipc_perm sem_perm; /* operation permission struct */ - __syscall_ulong_t __glibc_reserved1; + __syscall_ulong_t __sem_otime_high; __time_t sem_otime; /* last semop() time */ - __syscall_ulong_t __glibc_reserved2; + __syscall_ulong_t __sem_ctime_high; __time_t sem_ctime; /* last time changed by semctl() */ __syscall_ulong_t sem_nsems; /* number of semaphores in set */ __syscall_ulong_t __glibc_reserved3; __syscall_ulong_t __glibc_reserved4; }; -#endif diff --git a/sysdeps/unix/sysv/linux/hppa/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/hppa/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..2871030d0d --- /dev/null +++ b/sysdeps/unix/sysv/linux/hppa/struct_kernel_semid64_ds.h @@ -0,0 +1,12 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime_high; + unsigned long sem_otime; + unsigned long sem_ctime_high; + unsigned long sem_ctime; + unsigned long sem_nsems; + unsigned long __ununsed1; + unsigned long __ununsed2; +}; diff --git a/sysdeps/unix/sysv/linux/i386/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/i386/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..bab9cf63ba --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/struct_kernel_semid64_ds.h @@ -0,0 +1,12 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime; + unsigned long sem_otime_high; + unsigned long sem_ctime; + unsigned long sem_ctime_high; + __syscall_ulong_t sem_nsems; + __syscall_ulong_t __unused3; + __syscall_ulong_t __unused4; +}; diff --git a/sysdeps/unix/sysv/linux/include/sys/sem.h b/sysdeps/unix/sysv/linux/include/sys/sem.h new file mode 100644 index 0000000000..a9151e057d --- /dev/null +++ b/sysdeps/unix/sysv/linux/include/sys/sem.h @@ -0,0 +1,16 @@ +#ifndef _SYS_SEM_H +# include <sysvipc/sys/sem.h> + +# ifndef _ISOMAC + +__typeof__ (semtimedop) __semtimedop attribute_hidden; + +#if __TIMESIZE == 64 +# define __semctl64 __semctl +#else +extern int __semctl64 (int semid, int semnum, int cmd, ...); +libc_hidden_proto (__semctl64); +#endif + +# endif +#endif diff --git a/sysdeps/unix/sysv/linux/ipc_priv.h b/sysdeps/unix/sysv/linux/ipc_priv.h index 15a6e683a4..0bd6105e7b 100644 --- a/sysdeps/unix/sysv/linux/ipc_priv.h +++ b/sysdeps/unix/sysv/linux/ipc_priv.h @@ -53,4 +53,14 @@ struct __old_ipc_perm #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ (__nsops), 0, (__sops), (__timeout) +/* Linux SysV ipc does not provide new syscalls for 64-bit time support on + 32-bit architectures, but rather split the timestamp into high and low; + storing the high value in previously unused fields. */ +#if (__WORDSIZE == 32 \ + && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) +# define __IPC_TIME64 1 +#else +# define __IPC_TIME64 0 +#endif + #include <ipc_ops.h> diff --git a/sysdeps/unix/sysv/linux/mips/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/mips/bits/types/struct_semid_ds.h index 8954209a29..eec4a18cae 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/mips/bits/types/struct_semid_ds.h @@ -27,6 +27,6 @@ struct semid_ds __time_t sem_otime; /* last semop() time */ __time_t sem_ctime; /* last time changed by semctl() */ __syscall_ulong_t sem_nsems; /* number of semaphores in set */ - __syscall_ulong_t __glibc_reserved3; - __syscall_ulong_t __glibc_reserved4; + __syscall_ulong_t __sem_otime_high; + __syscall_ulong_t __sem_ctime_high; }; diff --git a/sysdeps/unix/sysv/linux/mips/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/mips/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..76a9d83ea5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/struct_kernel_semid64_ds.h @@ -0,0 +1,10 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime; + unsigned long sem_ctime; + unsigned long sem_nsems; + unsigned long sem_otime_high; + unsigned long sem_ctime_high; +}; diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_semid_ds.h index 300a9b98e9..d382d93c52 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_semid_ds.h @@ -25,9 +25,9 @@ struct semid_ds { struct ipc_perm sem_perm; /* operation permission struct */ #if __TIMESIZE == 32 - __syscall_ulong_t __glibc_reserved1; + __syscall_ulong_t __sem_otime_high; __time_t sem_otime; /* last semop() time */ - __syscall_ulong_t __glibc_reserved2; + __syscall_ulong_t __sem_ctime_high; __time_t sem_ctime; /* last time changed by semctl() */ #else __time_t sem_otime; /* last semop() time */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..7fa4ef6424 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/struct_kernel_semid64_ds.h @@ -0,0 +1,12 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime_high; + unsigned long sem_otime; + unsigned long sem_ctime_high; + unsigned long sem_ctime; + unsigned long sem_nsems; + unsigned long __unused3; + unsigned long __unused4; +}; diff --git a/sysdeps/unix/sysv/linux/semctl.c b/sysdeps/unix/sysv/linux/semctl.c index 30571af49f..f131a26fc7 100644 --- a/sysdeps/unix/sysv/linux/semctl.c +++ b/sysdeps/unix/sysv/linux/semctl.c @@ -21,10 +21,13 @@ #include <ipc_priv.h> #include <sysdep.h> #include <shlib-compat.h> -#include <errno.h> -#include <linux/posix_types.h> /* For __kernel_mode_t. */ +#include <bits/types/struct_semid64_ds.h> /* For __semid64_ds. */ +#include <linux/posix_types.h> /* For __kernel_mode_t. */ -/* Define a `union semun' suitable for Linux here. */ +/* The struct used to issue the syscall. For architectures that assume + 64-bit time as default (!__ASSUME_TIME64_SYSCALLS) the syscall will + split the resulting 64-bit sem_{o,c}time in two fields (sem_{o,c}time + and __sem_{o,c}time_high). */ union semun { int val; /* value for SETVAL */ @@ -33,16 +36,90 @@ union semun struct seminfo *__buf; /* buffer for IPC_INFO */ }; -#ifndef DEFAULT_VERSION -# ifndef __ASSUME_SYSVIPC_BROKEN_MODE_T -# define DEFAULT_VERSION GLIBC_2_2 +#if __IPC_TIME64 == 0 +# define semun64 semun +typedef union semun semctl_arg_t; +#else +# include <struct_kernel_semid64_ds.h> + +union ksemun64 +{ + int val; + struct kernel_semid64_ds *buf; + unsigned short int *array; + struct seminfo *__buf; +}; + +# if __TIMESIZE == 64 +# define semun64 semun # else -# define DEFAULT_VERSION GLIBC_2_31 +/* The struct used when __semctl64 is called. */ +union semun64 +{ + int val; + struct __semid64_ds *buf; + unsigned short int *array; + struct seminfo *__buf; +}; # endif + +static void +semid64_to_ksemid64 (const struct __semid64_ds *semid64, + struct kernel_semid64_ds *ksemid) +{ + ksemid->sem_perm = semid64->sem_perm; + ksemid->sem_otime = semid64->sem_otime; + ksemid->sem_otime_high = semid64->sem_otime >> 32; + ksemid->sem_ctime = semid64->sem_ctime; + ksemid->sem_ctime_high = semid64->sem_ctime >> 32; + ksemid->sem_nsems = semid64->sem_nsems; +} + +static void +ksemid64_to_semid64 (const struct kernel_semid64_ds *ksemid, + struct __semid64_ds *semid64) +{ + semid64->sem_perm = ksemid->sem_perm; + semid64->sem_otime = ksemid->sem_otime + | ((__time64_t) ksemid->sem_otime_high << 32); + semid64->sem_ctime = ksemid->sem_ctime + | ((__time64_t) ksemid->sem_ctime_high << 32); + semid64->sem_nsems = ksemid->sem_nsems; +} + +static union ksemun64 +semun64_to_ksemun64 (int cmd, union semun64 semun64, + struct kernel_semid64_ds *buf) +{ + union ksemun64 r = { 0 }; + switch (cmd) + { + case SETVAL: + r.val = semun64.val; + break; + case GETALL: + case SETALL: + r.array = semun64.array; + break; + case SEM_STAT: + case IPC_STAT: + case IPC_SET: + r.buf = buf; + semid64_to_ksemid64 (semun64.buf, r.buf); + break; + case IPC_INFO: + case SEM_INFO: + r.__buf = semun64.__buf; + break; + } + return r; +} + +typedef union ksemun64 semctl_arg_t; #endif static int -semctl_syscall (int semid, int semnum, int cmd, union semun arg) +semctl_syscall (int semid, int semnum, int cmd, semctl_arg_t arg) { #ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS return INLINE_SYSCALL_CALL (semctl, semid, semnum, cmd | __IPC_64, @@ -53,15 +130,15 @@ semctl_syscall (int semid, int semnum, int cmd, union semun arg) #endif } +/* POSIX states ipc_perm mode should have type of mode_t. */ +_Static_assert (sizeof ((struct semid_ds){0}.sem_perm.mode) + == sizeof (mode_t), + "sizeof (msqid_ds.msg_perm.mode) != sizeof (mode_t)"); + int -__new_semctl (int semid, int semnum, int cmd, ...) +__semctl64 (int semid, int semnum, int cmd, ...) { - /* POSIX states ipc_perm mode should have type of mode_t. */ - _Static_assert (sizeof ((struct semid_ds){0}.sem_perm.mode) - == sizeof (mode_t), - "sizeof (msqid_ds.msg_perm.mode) != sizeof (mode_t)"); - - union semun arg = { 0 }; + union semun64 arg64 = { 0 }; va_list ap; /* Get the argument only if required. */ @@ -76,44 +153,155 @@ __new_semctl (int semid, int semnum, int cmd, ...) case IPC_INFO: /* arg.__buf */ case SEM_INFO: va_start (ap, cmd); - arg = va_arg (ap, union semun); + arg64 = va_arg (ap, union semun64); va_end (ap); break; } -#ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T - struct semid_ds tmpds; +#if __IPC_TIME64 + struct kernel_semid64_ds ksemid; + union ksemun64 ksemun = semun64_to_ksemun64 (cmd, arg64, &ksemid); +# ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T if (cmd == IPC_SET) - { - tmpds = *arg.buf; - tmpds.sem_perm.mode *= 0x10000U; - arg.buf = &tmpds; - } + ksemid.sem_perm.mode *= 0x10000U; +# endif + union ksemun64 arg = ksemun; +#else + union semun arg = arg64; #endif int ret = semctl_syscall (semid, semnum, cmd, arg); + if (ret < 0) + return ret; - if (ret >= 0) + switch (cmd) { - switch (cmd) - { - case IPC_STAT: - case SEM_STAT: - case SEM_STAT_ANY: + case IPC_STAT: + case SEM_STAT: + case SEM_STAT_ANY: #ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T - arg.buf->sem_perm.mode >>= 16; + arg.buf->sem_perm.mode >>= 16; #else - /* Old Linux kernel versions might not clear the mode padding. */ - if (sizeof ((struct semid_ds){0}.sem_perm.mode) - != sizeof (__kernel_mode_t)) - arg.buf->sem_perm.mode &= 0xFFFF; + /* Old Linux kernel versions might not clear the mode padding. */ + if (sizeof ((struct semid_ds){0}.sem_perm.mode) + != sizeof (__kernel_mode_t)) + arg.buf->sem_perm.mode &= 0xFFFF; +#endif + +#if __IPC_TIME64 + ksemid64_to_semid64 (arg.buf, arg64.buf); #endif - } } return ret; } -versioned_symbol (libc, __new_semctl, semctl, DEFAULT_VERSION); +#if __TIMESIZE != 64 +libc_hidden_def (__semctl64) + + +/* The 64-bit time_t semid_ds version might have a different layout and + internal field alignment. */ + +static void +semid_to_semid64 (struct __semid64_ds *ds64, const struct semid_ds *ds) +{ + ds64->sem_perm = ds->sem_perm; + ds64->sem_otime = ds->sem_otime + | ((__time64_t) ds->__sem_otime_high << 32); + ds64->sem_ctime = ds->sem_ctime + | ((__time64_t) ds->__sem_ctime_high << 32); + ds64->sem_nsems = ds->sem_nsems; +} + +static void +semid64_to_semid (struct semid_ds *ds, const struct __semid64_ds *ds64) +{ + ds->sem_perm = ds64->sem_perm; + ds->sem_otime = ds64->sem_otime; + ds->__sem_otime_high = 0; + ds->sem_ctime = ds64->sem_ctime; + ds->__sem_ctime_high = 0; + ds->sem_nsems = ds64->sem_nsems; +} + +static union semun64 +semun_to_semun64 (int cmd, union semun semun, struct __semid64_ds *semid64) +{ + union semun64 r = { 0 }; + switch (cmd) + { + case SETVAL: + r.val = semun.val; + break; + case GETALL: + case SETALL: + r.array = semun.array; + break; + case SEM_STAT: + case IPC_STAT: + case IPC_SET: + r.buf = semid64; + semid_to_semid64 (r.buf, semun.buf); + break; + case IPC_INFO: + case SEM_INFO: + r.__buf = semun.__buf; + break; + } + return r; +} + +int +__semctl (int semid, int semnum, int cmd, ...) +{ + union semun arg = { 0 }; + + va_list ap; + + /* Get the argument only if required. */ + switch (cmd) + { + case SETVAL: /* arg.val */ + case GETALL: /* arg.array */ + case SETALL: + case IPC_STAT: /* arg.buf */ + case IPC_SET: + case SEM_STAT: + case IPC_INFO: /* arg.__buf */ + case SEM_INFO: + va_start (ap, cmd); + arg = va_arg (ap, union semun); + va_end (ap); + break; + } + + struct __semid64_ds semid64; + union semun64 arg64 = semun_to_semun64 (cmd, arg, &semid64); + + int ret = __semctl64 (semid, semnum, cmd, arg64); + if (ret < 0) + return ret; + + switch (cmd) + { + case IPC_STAT: + case SEM_STAT: + case SEM_STAT_ANY: + semid64_to_semid (arg.buf, arg64.buf); + } + + return ret; +} +#endif + +#ifndef DEFAULT_VERSION +# ifndef __ASSUME_SYSVIPC_BROKEN_MODE_T +# define DEFAULT_VERSION GLIBC_2_2 +# else +# define DEFAULT_VERSION GLIBC_2_31 +# endif +#endif +versioned_symbol (libc, __semctl, semctl, DEFAULT_VERSION); #if defined __ASSUME_SYSVIPC_BROKEN_MODE_T \ && SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_31) @@ -121,7 +309,7 @@ int attribute_compat_text_section __semctl_mode16 (int semid, int semnum, int cmd, ...) { - union semun arg = { 0 }; + semctl_arg_t arg = { 0 }; va_list ap; /* Get the argument only if required. */ @@ -136,7 +324,7 @@ __semctl_mode16 (int semid, int semnum, int cmd, ...) case IPC_INFO: /* arg.__buf */ case SEM_INFO: va_start (ap, cmd); - arg = va_arg (ap, union semun); + arg = va_arg (ap, semctl_arg_t); va_end (ap); break; } diff --git a/sysdeps/unix/sysv/linux/sparc/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/sparc/bits/types/struct_semid_ds.h index 46fcd79fb6..0110c1a940 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/types/struct_semid_ds.h @@ -25,9 +25,9 @@ struct semid_ds { struct ipc_perm sem_perm; /* operation permission struct */ #if __TIMESIZE == 32 - __syscall_ulong_t __glibc_reserved1; + __syscall_ulong_t __sem_otime_high; __time_t sem_otime; /* last semop() time */ - __syscall_ulong_t __glibc_reserved2; + __syscall_ulong_t __sem_ctime_high; __time_t sem_ctime; /* last time changed by semctl() */ #else __time_t sem_otime; /* last semop() time */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/sparc/sparc32/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..8c4697f9ab --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/struct_kernel_semid64_ds.h @@ -0,0 +1,12 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime_high; + unsigned long sem_otime; + unsigned long sem_ctime_high; + unsigned long sem_ctime; + unsigned long sem_nsems; + unsigned long __unused1; + unsigned long __unused2; +}; diff --git a/sysdeps/unix/sysv/linux/struct_kernel_semid64_ds.h b/sysdeps/unix/sysv/linux/struct_kernel_semid64_ds.h new file mode 100644 index 0000000000..f9edf0f76f --- /dev/null +++ b/sysdeps/unix/sysv/linux/struct_kernel_semid64_ds.h @@ -0,0 +1,12 @@ +/* Analogous to kernel struct semid64_ds used on semctl. */ +struct kernel_semid64_ds +{ + struct ipc_perm sem_perm; + unsigned long sem_otime; + unsigned long sem_otime_high; + unsigned long sem_ctime; + unsigned long sem_ctime_high; + unsigned long sem_nsems; + unsigned long __unused1; + unsigned long __unused2; +}; diff --git a/sysdeps/unix/sysv/linux/x86/bits/types/struct_semid_ds.h b/sysdeps/unix/sysv/linux/x86/bits/types/struct_semid_ds.h index f7ec89d115..c3f2fde9fd 100644 --- a/sysdeps/unix/sysv/linux/x86/bits/types/struct_semid_ds.h +++ b/sysdeps/unix/sysv/linux/x86/bits/types/struct_semid_ds.h @@ -25,9 +25,9 @@ struct semid_ds { struct ipc_perm sem_perm; /* operation permission struct */ __time_t sem_otime; /* last semop() time */ - __syscall_ulong_t __glibc_reserved1; + __syscall_ulong_t __sem_otime_high; __time_t sem_ctime; /* last time changed by semctl() */ - __syscall_ulong_t __glibc_reserved2; + __syscall_ulong_t __sem_ctime_high; __syscall_ulong_t sem_nsems; /* number of semaphores in set */ __syscall_ulong_t __glibc_reserved3; __syscall_ulong_t __glibc_reserved4; |