X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Fpthread_impl.h;h=f6a4f2c28959a17d602fdbfae6e9b000cb4cf72a;hb=d889cc3463edc92869676c1eec34a8f52d942adb;hp=3890bb56fb4d122db323e513460a4c045666d741;hpb=6ba5517a460c6c438f64d69464fdfc3269a4c91a;p=musl diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h index 3890bb56..f6a4f2c2 100644 --- a/src/internal/pthread_impl.h +++ b/src/internal/pthread_impl.h @@ -13,11 +13,15 @@ #define pthread __pthread struct pthread { + /* Part 1 -- these fields may be external or + * internal (accessed via asm) ABI. Do not change. */ struct pthread *self; void **dtv, *unused1, *unused2; uintptr_t sysinfo; uintptr_t canary, canary2; pid_t tid, pid; + + /* Part 2 -- implementation details, non-ABI. */ int tsd_used, errno_val; volatile int cancel, canceldisable, cancelasync; int detached; @@ -30,7 +34,6 @@ struct pthread { void *result; struct __ptcb *cancelbuf; void **tsd; - pthread_attr_t attr; volatile int dead; struct { volatile void *volatile head; @@ -40,13 +43,17 @@ struct pthread { int unblock_cancel; volatile int timer_id; locale_t locale; - volatile int killlock[2]; - volatile int exitlock[2]; + volatile int killlock[1]; + volatile int exitlock[1]; volatile int startlock[2]; unsigned long sigmask[_NSIG/8/sizeof(long)]; char *dlerror_buf; int dlerror_flag; void *stdio_locks; + size_t guard_size; + + /* Part 3 -- the positions of these fields relative to + * the end of the structure is external and internal ABI. */ uintptr_t canary_at_end; void **dtv_copy; }; @@ -98,6 +105,10 @@ struct __timer { #define DTP_OFFSET 0 #endif +#ifndef tls_mod_off_t +#define tls_mod_off_t size_t +#endif + #define SIGTIMER 32 #define SIGCANCEL 33 #define SIGSYNCCALL 34 @@ -128,11 +139,17 @@ int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int) void __wait(volatile int *, volatile int *, int, int); static inline void __wake(volatile void *addr, int cnt, int priv) { - if (priv) priv = 128; + if (priv) priv = FUTEX_PRIVATE; if (cnt<0) cnt = INT_MAX; __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS || __syscall(SYS_futex, addr, FUTEX_WAKE, cnt); } +static inline void __futexwait(volatile void *addr, int val, int priv) +{ + if (priv) priv = FUTEX_PRIVATE; + __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val) != -ENOSYS || + __syscall(SYS_futex, addr, FUTEX_WAIT, val); +} void __acquire_ptc(void); void __release_ptc(void); @@ -143,7 +160,7 @@ void __block_app_sigs(void *); void __restore_sigs(void *); #define DEFAULT_STACK_SIZE 81920 -#define DEFAULT_GUARD_SIZE PAGE_SIZE +#define DEFAULT_GUARD_SIZE 4096 #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)