diff options
| author | Thomas Schwinge <tschwinge@gnu.org> | 2008-11-23 21:17:41 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@schwinge.name> | 2010-01-25 21:40:49 +0100 |
| commit | c1c2b810c848f6ef082fa8cfb2bf501b850f0797 (patch) | |
| tree | d829fab378ba5959b4e249033fb1f910de8be57a /mach | |
| parent | 9bd608be06fc824cffd42ab8a81b210d4ef52a91 (diff) | |
glibc-2.8/debian/patches/hurd-i386/local-tls-support.diff 3151
Diffstat (limited to 'mach')
| -rw-r--r-- | mach/mach.h | 3 | ||||
| -rw-r--r-- | mach/setup-thread.c | 30 |
2 files changed, 32 insertions, 1 deletions
diff --git a/mach/mach.h b/mach/mach.h index f8fd44bb00..502db5ab29 100644 --- a/mach/mach.h +++ b/mach/mach.h @@ -101,5 +101,8 @@ 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/setup-thread.c b/mach/setup-thread.c index fecffd9f06..bf0bfa9e94 100644 --- a/mach/setup-thread.c +++ b/mach/setup-thread.c @@ -20,6 +20,7 @@ #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. */ @@ -73,8 +74,35 @@ __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) |