diff options
Diffstat (limited to 'pthread.h')
| -rw-r--r-- | pthread.h | 61 |
1 files changed, 36 insertions, 25 deletions
@@ -1,4 +1,4 @@ -/* This is the POSIX thread API (POSIX 1003). +/* This is an implementation of the threads API of POSIX 1003.1-2001. * * -------------------------------------------------------------------------- * @@ -76,12 +76,14 @@ * Provides an implementation of PThreads based upon the * standard: * - * POSIX 1003.1c-1995 (POSIX.1c) + * POSIX 1003.1-2001 + * and + * The Single Unix Specification version 3 * - * Parts of the implementation also comply with the - * Open Group Unix 98 specification in order to enhance - * code portability between Windows, various commercial - * Unix implementations, and Linux. + * (these two are equivalent) + * + * in order to enhance code portability between Windows, + * various commercial Unix implementations, and Linux. * * See the ANNOUNCE file for a full list of conforming * routines and defined constants, and a list of missing @@ -283,8 +285,8 @@ extern "C" /* * ------------------------------------------------------------- * - * POSIX 1003.1c-1995 Options - * =========================== + * POSIX 1003.1-2001 Options + * ========================= * * _POSIX_THREADS (set) * If set, you can use threads @@ -350,11 +352,20 @@ extern "C" * If set you can use the special *_r library * functions that provide thread-safe behaviour * + * _POSIX_READER_WRITER_LOCKS (set) + * If set, you can use read/write locks + * + * _POSIX_SPIN_LOCKS (set) + * If set, you can use spin locks + * + * _POSIX_BARRIERS (set) + * If set, you can use barriers + * * + These functions provide both 'inherit' and/or * 'protect' protocol, based upon these macro * settings. * - * POSIX 1003.1c-1995 Limits + * POSIX 1003.1-2001 Limits * =========================== * * PTHREAD_DESTRUCTOR_ITERATIONS @@ -373,18 +384,13 @@ extern "C" * Maximum number of threads supported per * process (must be at least 64). * + * _POSIX_SEM_NSEMS_MAX + * The maximum number of semaphores a process can have. + * (only defined if not already defined) * - * POSIX 1003.1j/D10-1999 Options - * ============================== - * - * _POSIX_READER_WRITER_LOCKS (set) - * If set, you can use read/write locks - * - * _POSIX_SPIN_LOCKS (set) - * If set, you can use spin locks - * - * _POSIX_BARRIERS (set) - * If set, you can use barriers + * _POSIX_SEM_VALUE_MAX + * The maximum value a semaphore can have. + * (only defined if not already defined) * * ------------------------------------------------------------- */ @@ -452,11 +458,16 @@ extern "C" * constant should be set at DLL load time. * */ -#define PTHREAD_DESTRUCTOR_ITERATIONS 4 -#define PTHREAD_KEYS_MAX 64 -#define PTHREAD_STACK_MIN 0 -#define PTHREAD_THREADS_MAX 2019 - +#define PTHREAD_DESTRUCTOR_ITERATIONS 4 +#define PTHREAD_KEYS_MAX 64 +#define PTHREAD_STACK_MIN 0 +#define PTHREAD_THREADS_MAX 2019 +#ifndef _POSIX_SEM_NSEMS_MAX +# define _POSIX_SEM_NSEMS_MAX (INT_MAX) +#endif +#ifndef _POSIX_SEM_VALUE_MAX +# define _POSIX_SEM_VALUE_MAX (INT_MAX - 1) +#endif #if __GNUC__ && ! defined (__declspec) # error Please upgrade your GNU compiler to one that supports __declspec. |