diff options
Diffstat (limited to 'lib/libpthread/thread/thr_init.c')
| -rw-r--r-- | lib/libpthread/thread/thr_init.c | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/lib/libpthread/thread/thr_init.c b/lib/libpthread/thread/thr_init.c index 8b907d7..9528e00 100644 --- a/lib/libpthread/thread/thr_init.c +++ b/lib/libpthread/thread/thr_init.c @@ -29,7 +29,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: uthread_init.c,v 1.11 1999/06/20 08:28:28 jb Exp $ + * $Id: uthread_init.c,v 1.12 1999/06/23 15:01:21 dt Exp $ */ /* Allocate space for global thread variables here: */ @@ -45,6 +45,10 @@ #include <sys/sysctl.h> #include <sys/time.h> #include <sys/ttycom.h> +#ifdef _PTHREAD_GSTACK +#include <sys/types.h> +#include <sys/mman.h> +#endif #ifdef _THREAD_SAFE #include <machine/reg.h> #include <pthread.h> @@ -57,8 +61,8 @@ extern void __set_dynamic_handler_allocator(dynamic_handler_allocator); static pthread_key_t except_head_key; typedef struct { - void **__dynamic_handler_chain; - void *top_elt[2]; + void **__dynamic_handler_chain; + void *top_elt[2]; } except_struct; static void ***dynamic_allocator_handler_fn() @@ -103,26 +107,26 @@ _thread_init(void) * Setup a new session for this process which is * assumed to be running as root. */ - if (setsid() == -1) + if (setsid() == -1) PANIC("Can't set session ID"); - if (revoke(_PATH_CONSOLE) != 0) + if (revoke(_PATH_CONSOLE) != 0) PANIC("Can't revoke console"); - if ((fd = _thread_sys_open(_PATH_CONSOLE, O_RDWR)) < 0) + if ((fd = _thread_sys_open(_PATH_CONSOLE, O_RDWR)) < 0) PANIC("Can't open console"); - if (setlogin("root") == -1) + if (setlogin("root") == -1) PANIC("Can't set login to root"); - if (_thread_sys_ioctl(fd,TIOCSCTTY, (char *) NULL) == -1) + if (_thread_sys_ioctl(fd,TIOCSCTTY, (char *) NULL) == -1) PANIC("Can't set controlling terminal"); - if (_thread_sys_dup2(fd,0) == -1 || - _thread_sys_dup2(fd,1) == -1 || - _thread_sys_dup2(fd,2) == -1) + if (_thread_sys_dup2(fd,0) == -1 || + _thread_sys_dup2(fd,1) == -1 || + _thread_sys_dup2(fd,2) == -1) PANIC("Can't dup2"); } /* Get the standard I/O flags before messing with them : */ for (i = 0; i < 3; i++) if ((_pthread_stdio_flags[i] = - _thread_sys_fcntl(i,F_GETFL, NULL)) == -1) + _thread_sys_fcntl(i,F_GETFL, NULL)) == -1) PANIC("Cannot get stdio flags"); /* @@ -178,6 +182,15 @@ _thread_init(void) /* Initialize the scheduling switch hook routine: */ _sched_switch_hook = NULL; +#ifdef _PTHREAD_GSTACK + /* Initialize the thread stack cache: */ + SLIST_INIT(&_stackq); + + /* Create the red zone for the main stack. */ + if (MAP_FAILED == mmap((void *) PTHREAD_STACK_TOP - PTHREAD_STACK_INITIAL, PTHREAD_STACK_GUARD, 0, MAP_ANON, -1, 0)) { + PANIC("Cannot allocate red zone for initial thread"); + } +#endif /* * Write a magic value to the thread structure * to help identify valid ones: @@ -228,7 +241,7 @@ _thread_init(void) /* Get the signal handler details: */ else if (_thread_sys_sigaction(i, NULL, - &_thread_sigact[i - 1]) != 0) { + &_thread_sigact[i - 1]) != 0) { /* * Abort this process if signal * initialisation fails: @@ -296,7 +309,7 @@ _thread_init(void) (_thread_fd_table_init(1) != 0) || (_thread_fd_table_init(2) != 0)) { PANIC("Cannot initialize stdio file descriptor " - "table entries"); + "table entries"); } } } @@ -304,7 +317,7 @@ _thread_init(void) #ifdef GCC_2_8_MADE_THREAD_AWARE /* Create the thread-specific data for the exception linked list. */ if(pthread_key_create(&except_head_key, NULL) != 0) - PANIC("Failed to create thread specific execption head"); + PANIC("Failed to create thread specific execption head"); /* Setup the gcc exception handler per thread. */ __set_dynamic_handler_allocator( dynamic_allocator_handler_fn ); |
