diff options
Diffstat (limited to 'libpipe/pq.c')
| -rw-r--r-- | libpipe/pq.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/libpipe/pq.c b/libpipe/pq.c index b930064b..07196000 100644 --- a/libpipe/pq.c +++ b/libpipe/pq.c @@ -226,8 +226,10 @@ packet_realloc (struct packet *packet, size_t new_len) /* Make a new buffer. */ if (vm_alloc) - err = - vm_allocate (mach_task_self (), (vm_address_t *)&new_buf, new_len, 1); + { + new_buf = mmap (0, new_len, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); + err = (new_buf == (char *) -1) ? errno : 0; + } else { new_buf = malloc (new_len); @@ -313,10 +315,9 @@ packet_read_ports (struct packet *packet, int length = packet->num_ports * sizeof (mach_port_t *); if (*num_ports < packet->num_ports) { - error_t err = - vm_allocate (mach_task_self (), (vm_address_t *)ports, length, 1); - if (err) - return err; + *ports = mmap (0, length, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); + if (*ports == (mach_port_t *) -1) + return errno; } *num_ports = packet->num_ports; bcopy (packet->ports, *ports, length); @@ -403,7 +404,7 @@ packet_read (struct packet *packet, /* Just copy the data the old fashioned way.... */ { if (*data_len < amount) - vm_allocate (mach_task_self (), (vm_address_t *)data, amount, 1); + *data = mmap (0, amount, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); bcopy (start, *data, amount); start += amount; |