diff options
Diffstat (limited to 'erts/emulator/beam/sys.h')
| -rw-r--r-- | erts/emulator/beam/sys.h | 266 |
1 files changed, 74 insertions, 192 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 704d567337..bf7d310568 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -21,7 +21,7 @@ #ifndef __SYS_H__ #define __SYS_H__ -#if !defined(__GNUC__) +#if !defined(__GNUC__) || defined(__e2k__) # define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) 0 #elif !defined(__GNUC_MINOR__) # define ERTS_AT_LEAST_GCC_VSN__(MAJ, MIN, PL) \ @@ -34,9 +34,6 @@ (((__GNUC__ << 24) | (__GNUC_MINOR__ << 12) | __GNUC_PATCHLEVEL__) >= (((MAJ) << 24) | ((MIN) << 12) | (PL))) #endif -#if defined(ERTS_DIRTY_SCHEDULERS) && !defined(ERTS_SMP) -# error "Dirty schedulers not supported without smp support" -#endif #ifdef ERTS_INLINE # ifndef ERTS_CAN_INLINE @@ -221,12 +218,6 @@ __decl_noreturn void __noreturn erl_assert_error(const char* expr, const char *f # define ASSERT(e) ((void) 1) #endif -#ifdef ERTS_SMP -# define ERTS_SMP_ASSERT(e) ASSERT(e) -#else -# define ERTS_SMP_ASSERT(e) ((void)1) -#endif - /* ERTS_UNDEF can be used to silence false warnings about * "variable may be used uninitialized" while keeping the variable * marked as undefined by valgrind. @@ -327,9 +318,9 @@ __decl_noreturn void __noreturn erl_assert_error(const char* expr, const char *f #endif #if SIZEOF_VOID_P == SIZEOF_LONG -typedef unsigned long Eterm; -typedef unsigned long Uint; -typedef long Sint; +typedef unsigned long Eterm erts_align_attribute(sizeof(long)); +typedef unsigned long Uint erts_align_attribute(sizeof(long)); +typedef long Sint erts_align_attribute(sizeof(long)); #define SWORD_CONSTANT(Const) Const##L #define UWORD_CONSTANT(Const) Const##UL #define ERTS_UWORD_MAX ULONG_MAX @@ -337,9 +328,9 @@ typedef long Sint; #define ERTS_SIZEOF_ETERM SIZEOF_LONG #define ErtsStrToSint strtol #elif SIZEOF_VOID_P == SIZEOF_INT -typedef unsigned int Eterm; -typedef unsigned int Uint; -typedef int Sint; +typedef unsigned int Eterm erts_align_attribute(sizeof(int)); +typedef unsigned int Uint erts_align_attribute(sizeof(int)); +typedef int Sint erts_align_attribute(sizeof(int)); #define SWORD_CONSTANT(Const) Const #define UWORD_CONSTANT(Const) Const##U #define ERTS_UWORD_MAX UINT_MAX @@ -347,9 +338,9 @@ typedef int Sint; #define ERTS_SIZEOF_ETERM SIZEOF_INT #define ErtsStrToSint strtol #elif SIZEOF_VOID_P == SIZEOF_LONG_LONG -typedef unsigned long long Eterm; -typedef unsigned long long Uint; -typedef long long Sint; +typedef unsigned long long Eterm erts_align_attribute(sizeof(long long)); +typedef unsigned long long Uint erts_align_attribute(sizeof(long long)); +typedef long long Sint erts_align_attribute(sizeof(long long)); #define SWORD_CONSTANT(Const) Const##LL #define UWORD_CONSTANT(Const) Const##ULL #define ERTS_UWORD_MAX ULLONG_MAX @@ -470,41 +461,25 @@ typedef union { #include "erl_lock_check.h" -/* needed by erl_smp.h */ +/* needed by erl_threads.h */ int erts_send_warning_to_logger_str_nogl(char *); -#include "erl_smp.h" +#include "erl_threads.h" #ifdef ERTS_WANT_BREAK_HANDLING -# ifdef ERTS_SMP -extern erts_smp_atomic32_t erts_break_requested; +extern erts_atomic32_t erts_break_requested; # define ERTS_BREAK_REQUESTED \ - ((int) erts_smp_atomic32_read_nob(&erts_break_requested)) -# else -extern volatile int erts_break_requested; -# define ERTS_BREAK_REQUESTED erts_break_requested -# endif + ((int) erts_atomic32_read_nob(&erts_break_requested)) void erts_do_break_handling(void); #endif -#if !defined(ERTS_SMP) && !defined(__WIN32__) -extern volatile Uint erts_signal_state; -#define ERTS_SIGNAL_STATE erts_signal_state -void erts_handle_signal_state(void); -#endif -#ifdef ERTS_SMP -extern erts_smp_atomic32_t erts_writing_erl_crash_dump; +extern erts_atomic32_t erts_writing_erl_crash_dump; extern erts_tsd_key_t erts_is_crash_dumping_key; #define ERTS_SOMEONE_IS_CRASH_DUMPING \ - ((int) erts_smp_atomic32_read_mb(&erts_writing_erl_crash_dump)) + ((int) erts_atomic32_read_mb(&erts_writing_erl_crash_dump)) #define ERTS_IS_CRASH_DUMPING \ ((int) (SWord) erts_tsd_get(erts_is_crash_dumping_key)) -#else -extern volatile int erts_writing_erl_crash_dump; -#define ERTS_SOMEONE_IS_CRASH_DUMPING erts_writing_erl_crash_dump -#define ERTS_IS_CRASH_DUMPING erts_writing_erl_crash_dump -#endif /* Deal with memcpy() vs bcopy() etc. We want to use the mem*() functions, but be able to fall back on bcopy() etc on systems that don't have @@ -600,8 +575,6 @@ __decl_noreturn void __noreturn erts_exit(int n, char*, ...); erts_exit(ERTS_ABORT_EXIT, "%s:%d:%s(): Internal error: %s\n", \ __FILE__, __LINE__, __func__, What) -Eterm erts_check_io_info(void *p); - UWord erts_sys_get_page_size(void); /* Size of misc memory allocated from system dependent code */ @@ -643,7 +616,7 @@ int erts_send_info_to_logger_nogl(erts_dsprintf_buf_t *); int erts_send_warning_to_logger_nogl(erts_dsprintf_buf_t *); int erts_send_error_to_logger_nogl(erts_dsprintf_buf_t *); int erts_send_info_to_logger_str_nogl(char *); -/* needed by erl_smp.h (declared above) +/* needed by erl_threads.h (declared above) int erts_send_warning_to_logger_str_nogl(char *); */ int erts_send_error_to_logger_str_nogl(char *); @@ -764,11 +737,7 @@ extern char *erts_sys_ddll_error(int code); /* * System interfaces for startup. */ -void erts_sys_schedule_interrupt(int set); -#ifdef ERTS_SMP -void erts_sys_schedule_interrupt_timed(int, ErtsMonotonicTime); void erts_sys_main_thread(void); -#endif extern int erts_sys_prepare_crash_dump(int secs); extern void erts_sys_pre_init(void); @@ -821,7 +790,7 @@ void fini_getenv_state(GETENV_STATE *); typedef struct { int no_used_fds; int no_driver_select_structs; - int no_driver_event_structs; + int no_enif_select_structs; } ErtsCheckIoDebugInfo; int erts_check_io_debug(ErtsCheckIoDebugInfo *ip); @@ -855,13 +824,16 @@ int erts_sys_unsetenv(char *key); char *erts_read_env(char *key); void erts_free_read_env(void *value); -#if defined(ERTS_SMP) -#if defined(ERTS_THR_HAVE_SIG_FUNCS) && !defined(ETHR_UNUSABLE_SIGUSRX) +#if defined(ERTS_THR_HAVE_SIG_FUNCS) && \ + (!defined(ETHR_UNUSABLE_SIGUSRX) || defined(SIGRTMIN)) extern void sys_thr_resume(erts_tid_t tid); extern void sys_thr_suspend(erts_tid_t tid); -#define ERTS_SYS_SUSPEND_SIGNAL SIGUSR2 -#endif -#endif +#ifdef SIGRTMIN +#define ERTS_SYS_SUSPEND_SIGNAL (SIGRTMIN+1) +#else +#define ERTS_SYS_SUSPEND_SIGNAL (SIGUSR2) +#endif /* SIGRTMIN */ +#endif /* HAVE_SIG_FUNCS */ /* utils.c */ @@ -1025,144 +997,6 @@ erts_refc_read(erts_refc_t *refcp, erts_aint_t min_val) #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ -typedef erts_smp_atomic_t erts_smp_refc_t; - -ERTS_GLB_INLINE void erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val); -ERTS_GLB_INLINE void erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val); -ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, - erts_aint_t unless_val, - erts_aint_t min_val); -ERTS_GLB_INLINE erts_aint_t erts_smp_refc_inctest(erts_smp_refc_t *refcp, - erts_aint_t min_val); -ERTS_GLB_INLINE void erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val); -ERTS_GLB_INLINE erts_aint_t erts_smp_refc_dectest(erts_smp_refc_t *refcp, - erts_aint_t min_val); -ERTS_GLB_INLINE void erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, - erts_aint_t min_val); -ERTS_GLB_INLINE erts_aint_t erts_smp_refc_read(erts_smp_refc_t *refcp, - erts_aint_t min_val); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF - -ERTS_GLB_INLINE void -erts_smp_refc_init(erts_smp_refc_t *refcp, erts_aint_t val) -{ - erts_smp_atomic_init_nob((erts_smp_atomic_t *) refcp, val); -} - -ERTS_GLB_INLINE void -erts_smp_refc_inc(erts_smp_refc_t *refcp, erts_aint_t min_val) -{ -#ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_inc(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#else - erts_smp_atomic_inc_nob((erts_smp_atomic_t *) refcp); -#endif -} - -ERTS_GLB_INLINE erts_aint_t -erts_smp_refc_inc_unless(erts_smp_refc_t *refcp, - erts_aint_t unless_val, - erts_aint_t min_val) -{ - erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); - while (1) { - erts_aint_t exp, new; -#ifdef ERTS_REFC_DEBUG - if (val < 0) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_inc_unless(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#endif - if (val == unless_val) - return val; - new = val + 1; - exp = val; - val = erts_smp_atomic_cmpxchg_nob((erts_smp_atomic_t *) refcp, new, exp); - if (val == exp) - return new; - } -} - - -ERTS_GLB_INLINE erts_aint_t -erts_smp_refc_inctest(erts_smp_refc_t *refcp, erts_aint_t min_val) -{ - erts_aint_t val = erts_smp_atomic_inc_read_nob((erts_smp_atomic_t *) refcp); -#ifdef ERTS_REFC_DEBUG - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_inctest(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#endif - return val; -} - -ERTS_GLB_INLINE void -erts_smp_refc_dec(erts_smp_refc_t *refcp, erts_aint_t min_val) -{ -#ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_dec(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#else - erts_smp_atomic_dec_nob((erts_smp_atomic_t *) refcp); -#endif -} - -ERTS_GLB_INLINE erts_aint_t -erts_smp_refc_dectest(erts_smp_refc_t *refcp, erts_aint_t min_val) -{ - erts_aint_t val = erts_smp_atomic_dec_read_nob((erts_smp_atomic_t *) refcp); -#ifdef ERTS_REFC_DEBUG - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_dectest(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#endif - return val; -} - -ERTS_GLB_INLINE void -erts_smp_refc_add(erts_smp_refc_t *refcp, erts_aint_t diff, erts_aint_t min_val) -{ -#ifdef ERTS_REFC_DEBUG - erts_aint_t val = erts_smp_atomic_add_read_nob((erts_smp_atomic_t *) refcp, diff); - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_add(%ld): Bad refc found (refc=%ld < %ld)!\n", - diff, val, min_val); -#else - erts_smp_atomic_add_nob((erts_smp_atomic_t *) refcp, diff); -#endif -} - -ERTS_GLB_INLINE erts_aint_t -erts_smp_refc_read(erts_smp_refc_t *refcp, erts_aint_t min_val) -{ - erts_aint_t val = erts_smp_atomic_read_nob((erts_smp_atomic_t *) refcp); -#ifdef ERTS_REFC_DEBUG - if (val < min_val) - erts_exit(ERTS_ABORT_EXIT, - "erts_smp_refc_read(): Bad refc found (refc=%ld < %ld)!\n", - val, min_val); -#endif - return val; -} - -#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ - - -#ifdef ERTS_ENABLE_KERNEL_POLL -extern int erts_use_kernel_poll; -#endif - #define sys_memcpy(s1,s2,n) memcpy(s1,s2,n) #define sys_memmove(s1,s2,n) memmove(s1,s2,n) #define sys_memcmp(s1,s2,n) memcmp(s1,s2,n) @@ -1341,4 +1175,52 @@ int erts_get_printable_characters(void); void erts_init_sys_common_misc(void); +ERTS_GLB_INLINE Sint erts_raw_env_7bit_ascii_char_need(int encoding); +ERTS_GLB_INLINE byte *erts_raw_env_7bit_ascii_char_put(byte c, byte *p, + int encoding); +ERTS_GLB_INLINE int erts_raw_env_char_is_7bit_ascii_char(byte c, byte *p, + int encoding); +ERTS_GLB_INLINE byte *erts_raw_env_next_char(byte *p, int encoding); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_GLB_INLINE Sint +erts_raw_env_7bit_ascii_char_need(int encoding) +{ + return (encoding == ERL_FILENAME_WIN_WCHAR) ? 2 : 1; +} + +ERTS_GLB_INLINE byte * +erts_raw_env_7bit_ascii_char_put(byte c, + byte *p, + int encoding) +{ + *(p++) = c; + if (encoding == ERL_FILENAME_WIN_WCHAR) + *(p++) = 0; + return p; +} + +ERTS_GLB_INLINE int +erts_raw_env_char_is_7bit_ascii_char(byte c, + byte *p, + int encoding) +{ + if (encoding == ERL_FILENAME_WIN_WCHAR) + return (p[0] == c) & (p[1] == 0); + else + return p[0] == c; +} + +ERTS_GLB_INLINE byte * +erts_raw_env_next_char(byte *p, int encoding) +{ + if (encoding == ERL_FILENAME_WIN_WCHAR) + return p + 2; + else + return p + 1; +} + +#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ + #endif |