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Diffstat (limited to 'src/include/compat.h')
| -rw-r--r-- | src/include/compat.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/include/compat.h b/src/include/compat.h new file mode 100644 index 00000000..7c75dac2 --- /dev/null +++ b/src/include/compat.h @@ -0,0 +1,198 @@ +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2011 Stanislav Sedov <stas@FreeBSD.org> + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + */ + +#ifndef CEPH_COMPAT_H +#define CEPH_COMPAT_H + +#include "acconfig.h" +#include <sys/types.h> + +#if defined(__linux__) +#define PROCPREFIX +#endif + +#include <sys/stat.h> +#ifndef ACCESSPERMS +#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO) +#endif + +#if defined(__FreeBSD__) + +// FreeBSD supports Linux procfs with its compatibility module +// And all compatibility stuff is standard mounted on this +#define PROCPREFIX "/compat/linux" + +#ifndef MSG_MORE +#define MSG_MORE 0 +#endif + +#ifndef O_DSYNC +#define O_DSYNC O_SYNC +#endif + +/* And include the extra required include file */ +#include <pthread_np.h> + +#include <sys/param.h> +#include <sys/cpuset.h> +#define cpu_set_t cpuset_t +int sched_setaffinity(pid_t pid, size_t cpusetsize, + cpu_set_t *mask); + +#endif /* __FreeBSD__ */ + +#if defined(__APPLE__) || defined(__FreeBSD__) +/* Make sure that ENODATA is defined in the correct way */ +#ifdef ENODATA +#if (ENODATA == 9919) +// #warning ENODATA already defined to be 9919, redefining to fix +// Silencing this warning because it fires at all files where compat.h +// is included after boost files. +// +// This value stems from the definition in the boost library +// And when this case occurs it is due to the fact that boost files +// are included before this file. Redefinition might not help in this +// case since already parsed code has evaluated to the wrong value. +// This would warrrant for d definition that would actually be evaluated +// at the location of usage and report a possible conflict. +// This is left up to a future improvement +#elif (ENODATA != 87) +// #warning ENODATA already defined to a value different from 87 (ENOATRR), refining to fix +#endif +#undef ENODATA +#endif +#define ENODATA ENOATTR + +// Fix clock accuracy +#if !defined(CLOCK_MONOTONIC_COARSE) +#if defined(CLOCK_MONOTONIC_FAST) +#define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC_FAST +#else +#define CLOCK_MONOTONIC_COARSE CLOCK_MONOTONIC +#endif +#endif +#if !defined(CLOCK_REALTIME_COARSE) +#if defined(CLOCK_REALTIME_FAST) +#define CLOCK_REALTIME_COARSE CLOCK_REALTIME_FAST +#else +#define CLOCK_REALTIME_COARSE CLOCK_REALTIME +#endif +#endif + +/* get PATH_MAX */ +#include <limits.h> + +#ifndef EUCLEAN +#define EUCLEAN 117 +#endif +#ifndef EREMOTEIO +#define EREMOTEIO 121 +#endif +#ifndef EKEYREJECTED +#define EKEYREJECTED 129 +#endif +#ifndef XATTR_CREATE +#define XATTR_CREATE 1 +#endif + +#ifndef HOST_NAME_MAX +#ifdef MAXHOSTNAMELEN +#define HOST_NAME_MAX MAXHOSTNAMELEN +#else +#define HOST_NAME_MAX 255 +#endif +#endif + +#endif /* __APPLE__ */ + +/* O_LARGEFILE is not defined/required on OSX/FreeBSD */ +#ifndef O_LARGEFILE +#define O_LARGEFILE 0 +#endif + +/* Could be relevant for other platforms */ +#ifndef ERESTART +#define ERESTART EINTR +#endif + +#ifndef TEMP_FAILURE_RETRY +#define TEMP_FAILURE_RETRY(expression) ({ \ + __typeof(expression) __result; \ + do { \ + __result = (expression); \ + } while (__result == -1 && errno == EINTR); \ + __result; }) +#endif + +#ifdef __cplusplus +# define VOID_TEMP_FAILURE_RETRY(expression) \ + static_cast<void>(TEMP_FAILURE_RETRY(expression)) +#else +# define VOID_TEMP_FAILURE_RETRY(expression) \ + do { (void)TEMP_FAILURE_RETRY(expression); } while (0) +#endif + +#if defined(__FreeBSD__) || defined(__APPLE__) +#define lseek64(fd, offset, whence) lseek(fd, offset, whence) +#endif + +#if defined(__sun) || defined(_AIX) +#define LOG_AUTHPRIV (10<<3) +#define LOG_FTP (11<<3) +#define __STRING(x) "x" +#define IFTODT(mode) (((mode) & 0170000) >> 12) +#endif + +#if defined(_AIX) +#define MSG_DONTWAIT MSG_NONBLOCK +#endif + +#if defined(HAVE_PTHREAD_SETNAME_NP) + #if defined(__APPLE__) + #define ceph_pthread_setname(thread, name) ({ \ + int __result = 0; \ + if (thread == pthread_self()) \ + __result = pthread_setname_np(name); \ + __result; }) + #else + #define ceph_pthread_setname pthread_setname_np + #endif +#elif defined(HAVE_PTHREAD_SET_NAME_NP) + /* Fix a small name diff and return 0 */ + #define ceph_pthread_setname(thread, name) ({ \ + pthread_set_name_np(thread, name); \ + 0; }) +#else + /* compiler warning free success noop */ + #define ceph_pthread_setname(thread, name) ({ \ + int __i = 0; \ + __i; }) +#endif + +#if defined(HAVE_PTHREAD_GETNAME_NP) + #define ceph_pthread_getname pthread_getname_np +#elif defined(HAVE_PTHREAD_GET_NAME_NP) + #define ceph_pthread_getname(thread, name, len) ({ \ + pthread_get_name_np(thread, name, len); \ + 0; }) +#else + /* compiler warning free success noop */ + #define ceph_pthread_getname(thread, name, len) ({ \ + if (name != NULL) \ + *name = '\0'; \ + 0; }) +#endif + +int ceph_posix_fallocate(int fd, off_t offset, off_t len); + +int pipe_cloexec(int pipefd[2]); + +#endif /* !CEPH_COMPAT_H */ |