文件操作 - sembuf.h
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文件: /usr/src/linux-headers-5.15.0-186/arch/sparc/include/uapi/asm/sembuf.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _SPARC_SEMBUF_H #define _SPARC_SEMBUF_H #include <asm/ipcbuf.h> /* * The semid64_ds structure for sparc architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * Pad space is left for: * - 2 miscellaneous 32-bit values */ struct semid64_ds { struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ #if defined(__sparc__) && defined(__arch64__) long sem_otime; /* last semop time */ long sem_ctime; /* last change time */ #else unsigned long sem_otime_high; unsigned long sem_otime; /* last semop time */ unsigned long sem_ctime_high; unsigned long sem_ctime; /* last change time */ #endif unsigned long sem_nsems; /* no. of semaphores in array */ unsigned long __unused1; unsigned long __unused2; }; #endif /* _SPARC64_SEMBUF_H */
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