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Diffstat (limited to 'mit-pthreads/machdep/engine-hppa-hpux-10.20.h')
-rw-r--r-- | mit-pthreads/machdep/engine-hppa-hpux-10.20.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/engine-hppa-hpux-10.20.h b/mit-pthreads/machdep/engine-hppa-hpux-10.20.h new file mode 100644 index 00000000000..9cbe3349a3d --- /dev/null +++ b/mit-pthreads/machdep/engine-hppa-hpux-10.20.h @@ -0,0 +1,143 @@ +/* ==== machdep.h ============================================================ + * Copyright (c) 1993 Chris Provenzano, proven@athena.mit.edu + * + */ + +#include <unistd.h> +#include <setjmp.h> +#include <sys/time.h> + +/* + * Stuff for compiling + */ +#if defined(__GNUC__) +#if defined(__cplusplus) +#define __BEGIN_DECLS extern "C" { +#define __END_DECLS }; +#else +#define __BEGIN_DECLS +#define __END_DECLS +#if !defined(__STDC__) +#define const __const +#define inline __inline +#define signed __signed +#define volatile __volatile +#endif +#endif +#else /* !__GNUC__ */ +#define __BEGIN_DECLS +#define __END_DECLS +#if !defined(__STDC__) +#define const +#endif +#define inline +#define signed +#define volatile +#endif + +/* + * The first machine dependent functions are the SEMAPHORES + * needing the test and set instruction. + * + * Note: The set and clear defines are backwards. + */ +#define SEMAPHORE_CLEAR { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } +#define SEMAPHORE_SET 0 + +#define SEMAPHORE_TEST_AND_SET(lock) \ +({ \ +long real_addr; \ +long temp; \ + \ +real_addr = ((long)((*lock) + 15) & ~15); \ + \ +__asm__ volatile("ldcwx %%r0(%2),%0" \ + :"=r" (temp) \ + :"0" (temp),"r" (real_addr)); \ +temp ? 0 : 1; \ +}) + +#define SEMAPHORE_RESET(lock) \ +({ \ +char *real_addr; \ + \ +real_addr = (char*)((long)((*lock) + 15) & ~15); \ +*real_addr = 0xff; \ +}) + +/* + * New types + * The semaphore is really 16 bytes but must be aligened on a 16 byte + * boundary. By specifing 31 bytes the macros can frob it correctly. + */ +typedef char semaphore[31]; + +/* + * Macros for sigset_t + */ +#define SIGMAX 30 +/* see hpux-9.03/__signal.h for SIG_ANY */ + +/* + * New Strutures + */ +struct machdep_pthread { + void *(*start_routine)(void *); + void *start_argument; + void *machdep_stack; + struct itimerval machdep_timer; + jmp_buf machdep_state; + /* long machdep_state[_JBLEN]; */ +}; + +/* + * Static machdep_pthread initialization values. + * For initial thread only. + */ +#define MACHDEP_PTHREAD_INIT \ +{ NULL, NULL, NULL, { { 0, 0 }, { 0, 100000 } }, 0 } + +/* + * Minimum stack size + */ +#define PTHREAD_STACK_MIN 4096 + +/* + * Some fd flag defines that are necessary to distinguish between posix + * behavior and bsd4.3 behavior. + */ +#define __FD_NONBLOCK O_NONBLOCK + +/* + * page size + */ +#define getpagesize() 4096 + +/* + * New functions + */ + +__BEGIN_DECLS + +#if defined(PTHREAD_KERNEL) + +#define __machdep_stack_get(x) (x)->machdep_stack +#define __machdep_stack_set(x, y) (x)->machdep_stack = y +#define __machdep_stack_repl(x, y) \ +{ \ + if (stack = __machdep_stack_get(x)) { \ + __machdep_stack_free(stack); \ + } \ + __machdep_stack_set(x, y); \ +} + +void * __machdep_stack_alloc __P_((size_t)); +void __machdep_stack_free __P_((void *)); + +int machdep_save_state __P_((void)); + +#endif + +__END_DECLS |