diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/include/posix.h')
| -rw-r--r-- | src/third_party/wiredtiger/src/include/posix.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/src/include/posix.h b/src/third_party/wiredtiger/src/include/posix.h new file mode 100644 index 00000000000..e3b43ea38ab --- /dev/null +++ b/src/third_party/wiredtiger/src/include/posix.h @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 2008-2014 WiredTiger, Inc. + * All rights reserved. + * + * See the file LICENSE for redistribution information. + */ + +/* Some systems don't configure 64-bit MIN/MAX by default. */ +#ifndef ULLONG_MAX +#define ULLONG_MAX 0xffffffffffffffffULL +#endif +#ifndef LLONG_MAX +#define LLONG_MAX 0x7fffffffffffffffLL +#endif +#ifndef LLONG_MIN +#define LLONG_MIN (-0x7fffffffffffffffLL - 1) +#endif + +/* Define O_BINARY for Posix systems */ +#define O_BINARY 0 + +/* + * Define WT threading and concurrency primitives + */ +typedef pthread_cond_t wt_cond_t; +typedef pthread_mutex_t wt_mutex_t; +typedef pthread_t wt_thread_t; + +/* + * !!! + * Don't touch this structure without understanding the read/write + * locking functions. + */ +typedef union { /* Read/write lock */ +#ifdef WORDS_BIGENDIAN + WiredTiger read/write locks require modification for big-endian systems. +#else + uint64_t u; + uint32_t us; + struct { + uint16_t writers; + uint16_t readers; + uint16_t users; + uint16_t pad; + } s; +#endif +} wt_rwlock_t; |