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-rw-r--r--jmem-ashmem.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/jmem-ashmem.c b/jmem-ashmem.c
index 3a17b02..0c35715 100644
--- a/jmem-ashmem.c
+++ b/jmem-ashmem.c
@@ -121,6 +121,8 @@ LOCAL(int)
get_ashmem(backing_store_ptr info, long total_bytes_needed)
{
char path[1024];
+ // FIXME: Does this name need to be unique? What happens if two jpegs
+ // are being decoded simultaneously in the same process?
snprintf(path, 1023, "%d.tmp.ashmem", getpid());
int fd = ashmem_create_region(path, total_bytes_needed);
if (fd == -1) {
@@ -128,9 +130,16 @@ get_ashmem(backing_store_ptr info, long total_bytes_needed)
}
int err = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE);
if (err) {
- return -1;
+ close(fd);
+ return -1;
+ }
+ void* addr = mmap(NULL, total_bytes_needed, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE, fd, 0);
+ if (-1 == (long) addr) {
+ close(fd);
+ return -1;
}
- info->addr = mmap(NULL, total_bytes_needed, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+ info->addr = addr;
info->size = total_bytes_needed;
info->temp_file = fd;
return fd;