diff options
Diffstat (limited to 'libpager/pager-ro-port.c')
| -rw-r--r-- | libpager/pager-ro-port.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/libpager/pager-ro-port.c b/libpager/pager-ro-port.c index 713b0423..7772ba30 100644 --- a/libpager/pager-ro-port.c +++ b/libpager/pager-ro-port.c @@ -20,7 +20,7 @@ #include <mach/mach4.h> mach_port_t -pager_get_ro_port (struct pager *p) +pager_create_ro_port (struct pager *p) { error_t err = 0;; mach_port_t port = MACH_PORT_NULL; @@ -29,33 +29,22 @@ pager_get_ro_port (struct pager *p) vm_offset_t start = 0; vm_size_t len = ~0; - pthread_mutex_lock (&p->interlock); - - if (!MACH_PORT_VALID (p->ro_proxy)) + rw_port = ports_get_send_right (p); + if (!MACH_PORT_VALID (rw_port)) { - rw_port = ports_get_send_right (p); - if (!MACH_PORT_VALID (rw_port)) - { - err = errno; - goto out; - } - - err = memory_object_create_proxy (mach_task_self (), - VM_PROT_READ | VM_PROT_EXECUTE, - &rw_port, 1, - &offset, 1, &start, 1, &len, 1, - &p->ro_proxy); - - mach_port_deallocate (mach_task_self (), rw_port); - - if (err) - goto out; + err = errno; + goto out; } - port = p->ro_proxy; + err = memory_object_create_proxy (mach_task_self (), + VM_PROT_READ | VM_PROT_EXECUTE, + &rw_port, 1, + &offset, 1, &start, 1, &len, 1, + &port); + + mach_port_deallocate (mach_task_self (), rw_port); out: - pthread_mutex_unlock (&p->interlock); errno = err; return port; } |