diff options
Diffstat (limited to 'erts/emulator/beam/sys.h')
| -rw-r--r-- | erts/emulator/beam/sys.h | 95 |
1 files changed, 74 insertions, 21 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index dd4f05686b..704d567337 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -99,6 +99,12 @@ #define ErtsContainerStruct(ptr, type, member) \ ((type *)((char *)(1 ? (ptr) : &((type *)0)->member) - offsetof(type, member))) +/* Use this variant when the member is an array */ +#define ErtsContainerStruct_(ptr, type, memberv) \ + ((type *)((char *)(1 ? (ptr) : ((type *)0)->memberv) - offsetof(type, memberv))) + +#define ErtsSizeofMember(type, member) sizeof(((type *)0)->member) + #if defined (__WIN32__) # include "erl_win_sys.h" #else @@ -482,23 +488,9 @@ void erts_do_break_handling(void); #endif #if !defined(ERTS_SMP) && !defined(__WIN32__) -extern volatile Uint erts_signal_sigterm; -#define ERTS_SIGNAL_SIGTERM erts_signal_sigterm -void erts_handle_signal_sigterm(void); -#endif - -#ifdef ERTS_WANT_GOT_SIGUSR1 -# ifndef UNIX -# define ERTS_GOT_SIGUSR1 0 -# else -# ifdef ERTS_SMP -extern erts_smp_atomic32_t erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 ((int) erts_smp_atomic32_read_mb(&erts_got_sigusr1)) -# else -extern volatile int erts_got_sigusr1; -# define ERTS_GOT_SIGUSR1 erts_got_sigusr1 -# endif -# endif +extern volatile Uint erts_signal_state; +#define ERTS_SIGNAL_STATE erts_signal_state +void erts_handle_signal_state(void); #endif #ifdef ERTS_SMP @@ -610,6 +602,8 @@ __decl_noreturn void __noreturn erts_exit(int n, char*, ...); Eterm erts_check_io_info(void *p); +UWord erts_sys_get_page_size(void); + /* Size of misc memory allocated from system dependent code */ Uint erts_sys_misc_mem_sz(void); @@ -790,10 +784,6 @@ Preload* sys_preloaded(void); unsigned char* sys_preload_begin(Preload*); void sys_preload_end(Preload*); int sys_get_key(int); -void elapsed_time_both(UWord *ms_user, UWord *ms_sys, - UWord *ms_user_diff, UWord *ms_sys_diff); -void wall_clock_elapsed_time_both(UWord *ms_total, - UWord *ms_diff); void get_time(int *hour, int *minute, int *second); void get_date(int *year, int *month, int *day); void get_localtime(int *year, int *month, int *day, @@ -907,6 +897,9 @@ typedef erts_atomic_t erts_refc_t; ERTS_GLB_INLINE void erts_refc_init(erts_refc_t *refcp, erts_aint_t val); ERTS_GLB_INLINE void erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val); +ERTS_GLB_INLINE erts_aint_t erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val); ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val); ERTS_GLB_INLINE void erts_refc_dec(erts_refc_t *refcp, erts_aint_t min_val); @@ -940,6 +933,30 @@ erts_refc_inc(erts_refc_t *refcp, erts_aint_t min_val) } ERTS_GLB_INLINE erts_aint_t +erts_refc_inc_unless(erts_refc_t *refcp, + erts_aint_t unless_val, + erts_aint_t min_val) +{ + erts_aint_t val = erts_atomic_read_nob((erts_atomic_t *) refcp); + while (1) { + erts_aint_t exp, new; +#ifdef ERTS_REFC_DEBUG + if (val < 0) + erts_exit(ERTS_ABORT_EXIT, + "erts_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_atomic_cmpxchg_nob((erts_atomic_t *) refcp, new, exp); + if (val == exp) + return new; + } +} + +ERTS_GLB_INLINE erts_aint_t erts_refc_inctest(erts_refc_t *refcp, erts_aint_t min_val) { erts_aint_t val = erts_atomic_inc_read_nob((erts_atomic_t *) refcp); @@ -1012,6 +1029,9 @@ 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); @@ -1045,6 +1065,31 @@ 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_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); @@ -1223,6 +1268,14 @@ void erl_bin_write(unsigned char *, int, int); # define DEBUGF(x) #endif +#ifndef MAX +#define MAX(A, B) ((A) > (B) ? (A) : (B)) +#endif + +#ifndef MIN +#define MIN(A, B) ((A) < (B) ? (A) : (B)) +#endif + #ifdef __WIN32__ #ifdef ARCH_64 #define ERTS_ALLOC_ALIGN_BYTES 16 |