diff options
Diffstat (limited to 'erts/emulator/sys/ose/erl_ose_sys.h')
-rw-r--r-- | erts/emulator/sys/ose/erl_ose_sys.h | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/erts/emulator/sys/ose/erl_ose_sys.h b/erts/emulator/sys/ose/erl_ose_sys.h deleted file mode 100644 index d0cd3180bf..0000000000 --- a/erts/emulator/sys/ose/erl_ose_sys.h +++ /dev/null @@ -1,356 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2011. All Rights Reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * %CopyrightEnd% - * - * This file handles differences between different Unix systems. - * This should be the only place with conditional compilation - * depending on the type of OS. - */ - -#ifndef _ERL_OSE_SYS_H -#define _ERL_OSE_SYS_H - -#include "ose.h" -#undef NIL -#include "ramlog.h" -#include "erts.sig" - -#include "fcntl.h" -#include "math.h" -#include "stdio.h" -#include "stdlib.h" -#include "string.h" -#include "sys/param.h" -#include "sys/time.h" -#include "time.h" -#include "dirent.h" -#include "ethread.h" - -/* FIXME: configuration options */ -#define ERTS_SCHED_MIN_SPIN 1 -#define ERTS_SCHED_ONLY_POLL_SCHED_1 1 -#define ERTS_SCHED_FAIR 1 -#define NO_SYSCONF 1 -#define OPEN_MAX FOPEN_MAX - -#define MAP_ANON MAP_ANONYMOUS - -#ifndef HAVE_MMAP -# define HAVE_MMAP 0 -#endif - -#if HAVE_MMAP -# include "sys/mman.h" -#endif - -/* - * Min number of async threads - */ -#define ERTS_MIN_NO_OF_ASYNC_THREADS 1 - -/* - * Our own type of "FD's" - */ -#define ERTS_SYS_FD_TYPE struct erts_sys_fd_type* -#define NO_FSTAT_ON_SYS_FD_TYPE 1 /* They are signals, not files */ - -#include "sys/stat.h" - -/* FIXME mremap is not defined in OSE - POSIX issue */ -extern void *mremap (void *__addr, size_t __old_len, size_t __new_len, - int __flags, ...); - -/* FIXME: mremap constants */ -#define MREMAP_MAYMOVE 1 -#define MREMAP_FIXED 2 - -typedef void *GETENV_STATE; - -/* -** For the erl_timer_sup module. -*/ -#define HAVE_GETHRTIME - -typedef long long SysHrTime; -extern SysHrTime sys_gethrtime(void); - -void sys_init_hrtime(void); - -typedef time_t erts_time_t; - -typedef struct timeval SysTimeval; - -#define sys_gettimeofday(Arg) ((void) gettimeofday((Arg), NULL)) - -typedef struct { - clock_t tms_utime; - clock_t tms_stime; - clock_t tms_cutime; - clock_t tms_cstime; -} SysTimes; - -extern int erts_ticks_per_sec; - -#define SYS_CLK_TCK (erts_ticks_per_sec) - -extern clock_t sys_times(SysTimes *buffer); - -/* No use in having other resolutions than 1 Ms. */ -#define SYS_CLOCK_RESOLUTION 1 - -#define erts_isfinite finite - -#ifdef NO_FPE_SIGNALS - -#define erts_get_current_fp_exception() NULL -#ifdef ERTS_SMP -#define erts_thread_init_fp_exception() do{}while(0) -#endif -# define __ERTS_FP_CHECK_INIT(fpexnp) do {} while (0) -# define __ERTS_FP_ERROR(fpexnp, f, Action) if (!finite(f)) { Action; } else {} -# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) __ERTS_FP_ERROR(fpexnp, f, Action) -# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) -# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) - -#define erts_sys_block_fpe() 0 -#define erts_sys_unblock_fpe(x) do{}while(0) - -#else /* !NO_FPE_SIGNALS */ - -extern volatile unsigned long *erts_get_current_fp_exception(void); -#ifdef ERTS_SMP -extern void erts_thread_init_fp_exception(void); -#endif -# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) -# define erts_fwait(fpexnp,f) \ - __asm__ __volatile__("fwait" : "=m"(*(fpexnp)) : "m"(f)) -# elif (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__) -# define erts_fwait(fpexnp,f) \ - __asm__ __volatile__("" : "=m"(*(fpexnp)) : "fm"(f)) -# elif defined(__sparc__) && defined(__linux__) && defined(__GNUC__) -# define erts_fwait(fpexnp,f) \ - __asm__ __volatile__("" : "=m"(*(fpexnp)) : "em"(f)) -# else -# define erts_fwait(fpexnp,f) \ - __asm__ __volatile__("" : "=m"(*(fpexnp)) : "g"(f)) -# endif -# if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) - extern void erts_restore_fpu(void); -# else -# define erts_restore_fpu() /*empty*/ -# endif -# if (!defined(__GNUC__) || \ - (__GNUC__ < 2) || \ - (__GNUC__ == 2 && __GNUC_MINOR < 96)) && \ - !defined(__builtin_expect) -# define __builtin_expect(x, expected_value) (x) -# endif -static __inline__ int erts_check_fpe(volatile unsigned long *fp_exception, double f) -{ - erts_fwait(fp_exception, f); - if (__builtin_expect(*fp_exception == 0, 1)) - return 0; - *fp_exception = 0; - erts_restore_fpu(); - return 1; -} -# undef erts_fwait -# undef erts_restore_fpu -extern void erts_fp_check_init_error(volatile unsigned long *fp_exception); -static __inline__ void __ERTS_FP_CHECK_INIT(volatile unsigned long *fp_exception) -{ - if (__builtin_expect(*fp_exception == 0, 1)) - return; - erts_fp_check_init_error(fp_exception); -} -# define __ERTS_FP_ERROR(fpexnp, f, Action) do { if (erts_check_fpe((fpexnp),(f))) { Action; } } while (0) -# define __ERTS_SAVE_FP_EXCEPTION(fpexnp) unsigned long old_erl_fp_exception = *(fpexnp) -# define __ERTS_RESTORE_FP_EXCEPTION(fpexnp) \ - do { *(fpexnp) = old_erl_fp_exception; } while (0) - /* This is for library calls where we don't trust the external - code to always throw floating-point exceptions on errors. */ -static __inline__ int erts_check_fpe_thorough(volatile unsigned long *fp_exception, double f) -{ - return erts_check_fpe(fp_exception, f) || !finite(f); -} -# define __ERTS_FP_ERROR_THOROUGH(fpexnp, f, Action) \ - do { if (erts_check_fpe_thorough((fpexnp),(f))) { Action; } } while (0) - -int erts_sys_block_fpe(void); -void erts_sys_unblock_fpe(int); - -#endif /* !NO_FPE_SIGNALS */ - -#define ERTS_FP_CHECK_INIT(p) __ERTS_FP_CHECK_INIT(&(p)->fp_exception) -#define ERTS_FP_ERROR(p, f, A) __ERTS_FP_ERROR(&(p)->fp_exception, f, A) -#define ERTS_FP_ERROR_THOROUGH(p, f, A) __ERTS_FP_ERROR_THOROUGH(&(p)->fp_exception, f, A) - -/* FIXME: force HAVE_GETPAGESIZE and stub getpagesize */ -#ifndef HAVE_GETPAGESIZE -#define HAVE_GETPAGESIZE 1 -#endif - -extern int getpagesize(void); - -#ifndef HZ -#define HZ 60 -#endif - -/* OSE5 doesn't provide limits.h so a number of macros should be - * added manually */ - -#ifndef CHAR_BIT -#define CHAR_BIT 8 -#endif - -/* Minimum and maximum values a `signed int' can hold. */ -#ifndef INT_MAX -#define INT_MAX 2147483647 -#endif - -#ifndef INT_MIN -#define INT_MIN (-INT_MAX - 1) -#endif - -#ifndef UINT_MAX -# define UINT_MAX 4294967295U -#endif - -/* -static void erts_ose_sys_send(union SIGNAL **signal,PROCESS dst, - char* file,int line) { - SIGSELECT **ziggy = (SIGSELECT**)signal; - printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x\r\n", - file,line,current_process(),ziggy[0][0],*ziggy,dst); - send(signal,dst); -} -#define send(signal,dst) erts_ose_sys_send(signal,dst,__FILE__,__LINE__) - -static void erts_ose_sys_send_w_sender(union SIGNAL **signal, - PROCESS sender,PROCESS dst, - char* file,int line) { - SIGSELECT **ziggy = (SIGSELECT**)signal; - printf("%s:%d 0x%x Send signal 0x%x(0x%x) to 0x%x as 0x%x\r\n", - file,line,current_process(),ziggy[0][0],*ziggy,dst,sender); - send_w_sender(signal,sender,dst); -} -#define send_w_sender(signal,sender,dst) \ - erts_ose_sys_send_w_sender(signal,sender,dst,__FILE__,__LINE__) - - -static union SIGNAL *erts_ose_sys_receive(SIGSELECT *sigsel, - char *file, - int line) { - SIGSELECT *sig; - int i; - - printf("%s:%d 0x%x receive({%d,",file,line,current_process(),sigsel[0]); - for (i = 1; i < sigsel[0]; i++) - printf("0x%x, ",sigsel[i]); - if (sigsel[0] != 0) - printf("0x%x",sigsel[i]); - printf("})\n"); - sig = (SIGSELECT*)receive(sigsel); - printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), - *sig,sender((union SIGNAL**)(&sig))); - return (union SIGNAL*)sig; -} -#define receive(SIGSEL) erts_ose_sys_receive(SIGSEL,__FILE__,__LINE__) - -static union SIGNAL *erts_ose_sys_receive_w_tmo(OSTIME tmo,SIGSELECT *sigsel, - char *file,int line) { - SIGSELECT *sig; - int i; - if (tmo == 0) { - sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel); - if (sig != NULL) { - printf("%s:%d 0x%x receive_w_tmo(0,{%d,",file,line,current_process(), - sigsel[0]); - for (i = 1; i < sigsel[0]; i++) - printf("0x%x, ",sigsel[i]); - if (sigsel[0] != 0) - printf("0x%x",sigsel[i]); - printf("})\n"); - printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), - *sig,sender((union SIGNAL**)(&sig))); - } - } else { - printf("%s:%d 0x%x receive_w_tmo(%u,{%d,",file,line,current_process(),tmo, - sigsel[0]); - for (i = 1; i < sigsel[0]; i++) - printf("0x%x, ",sigsel[i]); - if (sigsel[0] != 0) - printf("0x%x",sigsel[i]); - printf("})\n"); - sig = (SIGSELECT*)receive_w_tmo(tmo,sigsel); - printf("%s:%d 0x%x got ",file,line,current_process()); - if (sig == NULL) - printf("TIMEOUT\n"); - else - printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig))); - } - - return (union SIGNAL*)sig; -} - -#define receive_w_tmo(tmo,sigsel) erts_ose_sys_receive_w_tmo(tmo,sigsel, \ - __FILE__,__LINE__) - -static union SIGNAL *erts_ose_sys_receive_fsem(OSTIME tmo,SIGSELECT *sigsel, - OSFSEMVAL fsem, - char *file,int line) { - SIGSELECT *sig; - int i; - if (tmo == 0) { - sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem); - if (sig != NULL && sig != OS_RCV_FSEM) { - printf("%s:%d 0x%x receive_fsem(0,{%d,",file,line,current_process(), - sigsel[0]); - for (i = 1; i < sigsel[0]; i++) - printf("0x%x, ",sigsel[i]); - if (sigsel[0] != 0) - printf("0x%x",sigsel[i]); - printf("},%d)\n",fsem); - printf("%s:%d 0x%x got 0x%x from 0x%x\n",file,line,current_process(), - *sig,sender((union SIGNAL**)(&sig))); - } - } else { - printf("%s:%d 0x%x receive_fsem(%u,{%d,",file,line,current_process(),tmo, - sigsel[0]); - for (i = 1; i < sigsel[0]; i++) - printf("0x%x, ",sigsel[i]); - if (sigsel[0] != 0) - printf("0x%x",sigsel[i]); - printf("},%d)\n",fsem); - sig = (SIGSELECT*)receive_fsem(tmo,sigsel,fsem); - printf("%s:%d 0x%x got ",file,line,current_process()); - if (sig == NULL) - printf("TIMEOUT\n"); - else if (sig == OS_RCV_FSEM) - printf("FSEM\n"); - else - printf("0x%x from 0x%x\n",*sig,sender((union SIGNAL**)(&sig))); - } - - return (union SIGNAL*)sig; -} - -#define receive_fsem(tmo,sigsel,fsem) \ - erts_ose_sys_receive_fsem(tmo,sigsel,fsem,__FILE__,__LINE__) -*/ -#endif /* _ERL_OSE_SYS_H */ |