diff options
Diffstat (limited to 'mach')
| -rw-r--r-- | mach/lock-intern.h | 20 | ||||
| -rw-r--r-- | mach/mach.h | 3 | ||||
| -rw-r--r-- | mach/mach/mig_support.h | 3 | ||||
| -rw-r--r-- | mach/setup-thread.c | 30 | ||||
| -rw-r--r-- | mach/spin-lock.c | 1 |
5 files changed, 56 insertions, 1 deletions
diff --git a/mach/lock-intern.h b/mach/lock-intern.h index 0a5df7aa09..f6e20825ab 100644 --- a/mach/lock-intern.h +++ b/mach/lock-intern.h @@ -28,11 +28,15 @@ /* Initialize LOCK. */ +void __spin_lock_init (__spin_lock_t *__lock); + +#ifdef __USE_EXTERN_INLINES _EXTERN_INLINE void __spin_lock_init (__spin_lock_t *__lock) { *__lock = __SPIN_LOCK_INITIALIZER; } +#endif /* Lock LOCK, blocking if we can't get it. */ @@ -40,12 +44,16 @@ extern void __spin_lock_solid (__spin_lock_t *__lock); /* Lock the spin lock LOCK. */ +void __spin_lock (__spin_lock_t *__lock); + +#ifdef __USE_EXTERN_INLINES _EXTERN_INLINE void __spin_lock (__spin_lock_t *__lock) { if (! __spin_try_lock (__lock)) __spin_lock_solid (__lock); } +#endif /* Name space-clean internal interface to mutex locks. @@ -70,27 +78,39 @@ extern void __mutex_unlock_solid (void *__lock); /* Lock the mutex lock LOCK. */ +void __mutex_lock (void *__lock); + +#ifdef __USE_EXTERN_INLINES _EXTERN_INLINE void __mutex_lock (void *__lock) { if (! __spin_try_lock ((__spin_lock_t *) __lock)) __mutex_lock_solid (__lock); } +#endif /* Unlock the mutex lock LOCK. */ +void __mutex_unlock (void *__lock); + +#ifdef __USE_EXTERN_INLINES _EXTERN_INLINE void __mutex_unlock (void *__lock) { __spin_unlock ((__spin_lock_t *) __lock); __mutex_unlock_solid (__lock); } +#endif +int __mutex_trylock (void *__lock); + +#ifdef __USE_EXTERN_INLINES _EXTERN_INLINE int __mutex_trylock (void *__lock) { return __spin_try_lock ((__spin_lock_t *) __lock); } +#endif #endif /* lock-intern.h */ diff --git a/mach/mach.h b/mach/mach.h index cf92171ec3..2acc3f3b4c 100644 --- a/mach/mach.h +++ b/mach/mach.h @@ -100,5 +100,8 @@ kern_return_t mach_setup_thread (task_t task, thread_t thread, void *pc, vm_address_t *stack_base, vm_size_t *stack_size); +/* Give THREAD a TLS area. */ +kern_return_t __mach_setup_tls (thread_t thread); +kern_return_t mach_setup_tls (thread_t thread); #endif /* mach.h */ diff --git a/mach/mach/mig_support.h b/mach/mach/mig_support.h index d73eafc9c3..2c0893a9b3 100644 --- a/mach/mach/mig_support.h +++ b/mach/mach/mig_support.h @@ -66,6 +66,8 @@ extern void mig_reply_setup (const mach_msg_header_t *__request, /* Idiocy support function. */ extern vm_size_t mig_strncpy (char *__dst, const char *__src, vm_size_t __len); extern vm_size_t __mig_strncpy (char *__dst, const char *__src, vm_size_t); + +#ifdef __USE_EXTERN_INLINES __extern_inline vm_size_t __mig_strncpy (char *__dst, const char *__src, vm_size_t __len) { @@ -76,6 +78,7 @@ mig_strncpy (char *__dst, const char *__src, vm_size_t __len) { return __mig_strncpy (__dst, __src, __len); } +#endif diff --git a/mach/setup-thread.c b/mach/setup-thread.c index e1582d1937..bf3e843d15 100644 --- a/mach/setup-thread.c +++ b/mach/setup-thread.c @@ -19,6 +19,7 @@ #include <thread_state.h> #include <string.h> #include <mach/machine/vm_param.h> +#include <ldsodefs.h> #include "sysdep.h" /* Defines stack direction. */ #define STACK_SIZE (16 * 1024 * 1024) /* 16MB, arbitrary. */ @@ -72,8 +73,35 @@ __mach_setup_thread (task_t task, thread_t thread, void *pc, if (error = __vm_protect (task, stack, __vm_page_size, 0, VM_PROT_NONE)) return error; - return __thread_set_state (thread, MACHINE_THREAD_STATE_FLAVOR, + return __thread_set_state (thread, MACHINE_NEW_THREAD_STATE_FLAVOR, (natural_t *) &ts, tssize); } weak_alias (__mach_setup_thread, mach_setup_thread) + +/* Give THREAD a TLS area. */ +kern_return_t +__mach_setup_tls (thread_t thread) +{ + kern_return_t error; + struct machine_thread_state ts; + mach_msg_type_number_t tssize = MACHINE_THREAD_STATE_COUNT; + tcbhead_t *tcb; + + if (error = __thread_get_state (thread, MACHINE_THREAD_STATE_FLAVOR, + (natural_t *) &ts, &tssize)) + return error; + assert (tssize == MACHINE_THREAD_STATE_COUNT); + + tcb = _dl_allocate_tls(NULL); + if (!tcb) + return KERN_RESOURCE_SHORTAGE; + + _hurd_tls_new(thread, &ts, tcb); + + error = __thread_set_state (thread, MACHINE_THREAD_STATE_FLAVOR, + (natural_t *) &ts, tssize); + return error; +} + +weak_alias (__mach_setup_tls, mach_setup_tls) diff --git a/mach/spin-lock.c b/mach/spin-lock.c index aaebc55cf4..1b1e69c8d6 100644 --- a/mach/spin-lock.c +++ b/mach/spin-lock.c @@ -1,3 +1,4 @@ +#define __USE_EXTERN_INLINES 1 #define _EXTERN_INLINE /* Empty to define the real functions. */ #include "spin-lock.h" |