pxcloud/spice
5
0
Fork 0
mirror of https://gitlab.uni-freiburg.de/opensourcevdi/spice synced 2025-12-25 14:15:08 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix compatibility with mremap and Darwin

Browse Source 
Darwin does not have mremap. Use munmap+mmap instead.
That code is not in a hot path, number of nodes do not change very
often.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
This commit is contained in:
Frediano Ziglio 2020-04-15 14:35:10 +01:00 committed by Frediano Ziglio
parent 6684a3b5ef
commit 8772163cf9
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tools/reds_stat.c
View File

@ -86,7 +86,6 @@ int main(int argc, char **argv)
pid_t kvm_pid = 0;
uint32_t num_of_nodes = 0;
size_t shm_size;
size_t shm_old_size;
int shm_name_len;
int ret = EXIT_FAILURE;
int fd;
@ -142,11 +141,11 @@ int main(int argc, char **argv)
printf("spice statistics\n\n");
if (num_of_nodes != reds_stat->num_of_nodes) {
num_of_nodes = reds_stat->num_of_nodes;
shm_old_size = shm_size;
munmap(reds_stat, shm_size);
shm_size = header_size + num_of_nodes * sizeof(SpiceStatNode);
reds_stat = mremap(reds_stat, shm_old_size, shm_size, MREMAP_MAYMOVE);
reds_stat = (SpiceStat *)mmap(NULL, shm_size, PROT_READ, MAP_SHARED, fd, 0);
if (reds_stat == (SpiceStat *)MAP_FAILED) {
perror("mremap");
perror("mmap");
goto error;
}
reds_nodes = (SpiceStatNode *)((char *) reds_stat + header_size);