diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/semtimedop.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/semtimedop.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/sysdeps/unix/sysv/linux/semtimedop.c b/sysdeps/unix/sysv/linux/semtimedop.c index b732b6db48..d4fea4e55a 100644 --- a/sysdeps/unix/sysv/linux/semtimedop.c +++ b/sysdeps/unix/sysv/linux/semtimedop.c @@ -21,44 +21,51 @@ #include <sysdep.h> #include <errno.h> +static int +semtimedop_syscall (int semid, struct sembuf *sops, size_t nsops, + const struct __timespec64 *timeout) +{ +#ifdef __NR_semtimedop_time64 + return INLINE_SYSCALL_CALL (semtimedop_time64, semid, sops, nsops, timeout); +#elif defined __ASSUME_DIRECT_SYSVIPC_SYSCALLS && defined __NR_semtimedop + return INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, timeout); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid, + SEMTIMEDOP_IPC_ARGS (nsops, sops, timeout)); +#endif +} + /* Perform user-defined atomical operation of array of semaphores. */ int __semtimedop64 (int semid, struct sembuf *sops, size_t nsops, const struct __timespec64 *timeout) { - int r; -#if defined __NR_semtimedop_time64 - r = INLINE_SYSCALL_CALL (semtimedop_time64, semid, sops, nsops, timeout); -#elif defined __ASSUME_DIRECT_SYSVIPC_SYSCALLS && defined __NR_semtimedop - r = INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, timeout); +#ifdef __ASSUME_TIME64_SYSCALLS + return semtimedop_syscall (semid, sops, nsops, timeout); #else - r = INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid, - SEMTIMEDOP_IPC_ARGS (nsops, sops, timeout)); -#endif - -#ifndef __ASSUME_TIME64_SYSCALLS - if (r == 0 || errno != ENOSYS) - return r; + bool need_time64 = timeout != NULL && !in_time_t_range (timeout->tv_sec); + if (need_time64) + { + int r = semtimedop_syscall (semid, sops, nsops, timeout); + if (r == 0 || errno != ENOSYS) + return r; + __set_errno (EOVERFLOW); + return -1; + } struct timespec ts32, *pts32 = NULL; if (timeout != NULL) { - if (! in_time_t_range (timeout->tv_sec)) - { - __set_errno (EINVAL); - return -1; - } ts32 = valid_timespec64_to_timespec (*timeout); pts32 = &ts32; } -# if defined __ASSUME_DIRECT_SYSVIPC_SYSCALLS - r = INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, pts32); +# ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (semtimedop, semid, sops, nsops, pts32); # else - r = INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid, - SEMTIMEDOP_IPC_ARGS (nsops, sops, pts32)); + return INLINE_SYSCALL_CALL (ipc, IPCOP_semtimedop, semid, + SEMTIMEDOP_IPC_ARGS (nsops, sops, pts32)); # endif -#endif /* __ASSUME_TIME64_SYSCALLS */ - return r; +#endif } #if __TIMESIZE != 64 libc_hidden_def (__semtimedop64) |